Food processor

Abstract

The food processor comprises a stirring cup, a main machine, a cutting piece, a first limiting piece and a second limiting piece, the stirring cup comprises a cup body and a cup cover buckled to an opening of the cup body, and a transmission hole is formed in the cup cover; the main machine is arranged on the stirring cup and provided with an output shaft. The cutting piece is provided with a transmission shaft, and at least part of the transmission shaft or at least part of the output shaft penetrates through the transmission hole so that the transmission shaft can be detachably connected with the output shaft. The first limiting piece is convexly arranged on the inner wall of the cup cover; the second limiting piece is arranged on the transmission shaft; and under the condition that the first limiting piece makes contact with the second limiting piece, the cutting piece stops rotating. According to the food processor, the cutting piece can be rapidly stopped, and the technical problem that an existing food processor is prone to being damaged under partial conditions is solved.

Description

Technical Field

[0001] This application belongs to the technical field of food processing equipment, and specifically relates to a food processing machine. Background Technology

[0002] Existing food processing equipment that grinds or mixes ingredients often features a detachable head and lid for ease of use and cleaning. The blades are also detachable from these components. However, when the equipment is running idle or processing a small amount of food, improper user operation can cause the head to separate from the lid. Due to inertia, the rotating blade assembly will detach from the head and tilt, eventually stopping after the blades impact the inner wall of the container. This method of stopping the blades can damage the inner wall of the container and easily lead to blade damage, thus shortening the lifespan of the food processor. Utility Model Content

[0003] This application aims to at least partially solve the technical problem that current food processors are easily damaged in certain situations. Therefore, this application provides a food processor.

[0004] In a first aspect, an embodiment of this application provides a food processing machine, comprising:

[0005] A mixing cup includes a cup body and a cup lid that snaps into an opening of the cup body, the cup lid being provided with a transmission hole;

[0006] A main unit is disposed in the mixing cup, and the main unit has an output shaft;

[0007] A cutting element having a drive shaft, at least a portion of the drive shaft or at least a portion of the output shaft passing through the drive hole to allow the drive shaft to be detachably connected to the output shaft;

[0008] The first limiting member protrudes from the inner wall of the cup lid;

[0009] A second limiting member is provided on the drive shaft;

[0010] When the first limiting member and the second limiting member are in contact, the cutting member stops rotating.

[0011] This application, through the cooperation of the first and second limiting members, ensures that the transmission shaft stops rotating or its rotation speed is significantly reduced after the first and second limiting members come into contact. Even if the blade contacts the inner wall of the cup, the damage to the inner wall of the cup is minimal. As the kinetic energy of the blade decreases, the collision between the blade and the cup is less likely to deform the blade. This will significantly reduce the probability of damage to the inner wall of the cup and the blade, thus extending the service life of the food processor and ensuring that the food processor still has a good processing effect on food during long-term use.

[0012] In an optional embodiment of this application, the first limiting member protrudes from the periphery of the transmission hole, and the second limiting member protrudes from one end of the transmission shaft near the transmission hole. When the transmission shaft is connected to the output shaft, the orthographic projection of the second limiting member on the transmission shaft overlaps with the orthographic projection of the first limiting member on the transmission shaft, and the first limiting member and the second limiting member are in radial clearance fit on the transmission shaft.

[0013] In an optional embodiment of this application, the minimum gap between the first limiting member and the second limiting member in the radial direction of the transmission shaft is 0.5mm-3mm.

[0014] In an optional embodiment of this application, the end face of the second limiting member facing the host has a cavity, the cavity has a bottom wall and a side wall, the first limiting member is covered in the cavity, and the first limiting member is spaced apart from the bottom wall and the side wall of the cavity.

[0015] In an optional embodiment of this application, the cavity is coaxially arranged with the drive shaft.

[0016] In an optional embodiment of this application, the first limiting member is arranged in a ring shape and is coaxial with the transmission hole.

[0017] In an optional embodiment of this application, the outer ring wall of the first limiting member is provided with at least one first limiting block, and the second limiting member is provided with at least one second limiting block that can be opposite to the first limiting block.

[0018] In an optional embodiment of this application, the first limiting member has a plurality of first limiting blocks, which are arranged circumferentially along the transmission hole; the second limiting member has a plurality of second limiting blocks, which are arranged circumferentially along the transmission shaft; and the second limiting blocks can be engaged between two first limiting blocks.

[0019] In an optional embodiment of this application, the distance between two adjacent first limiting blocks is 3-5 mm.

[0020] In an optional embodiment of this application, the spacing between two adjacent second limiting blocks is greater than 1.1 times the circumferential width of the first limiting block and less than 2 times the circumferential width of the first limiting block.

[0021] In an optional embodiment of this application, the distance between two adjacent first limiting blocks is greater than 1.1 times the circumferential width of the second limiting block and less than 2 times the circumferential width of the second limiting block. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 A schematic diagram of the structure of a food processor according to one or more embodiments of this application is shown.

[0024] Figure 2 It shows Figure 1 A magnified structural diagram at point A.

[0025] Figure 3 It shows Figure 1 Schematic diagram of the cross-sectional structure at point AA.

[0026] Figure 4 A schematic diagram of the cup lid structure in one or more embodiments of this application is shown.

[0027] Figure 5 A schematic diagram of the cutting element in one or more embodiments of this application is shown.

[0028] Figure 6 A cross-sectional view of the cutting element is shown in one or more embodiments of this application.

[0029] Reference numerals: 10-Food processor, 100-Mixing cup, 110-Cup body, 120-Cup lid, 121-Transmission hole, 122-First limiting member, 123-First limiting block, 200-Main unit, 210-Connector, 300-Cutting component, 310-Transmission shaft, 311-Positioning hole, 320-Blade, 330-Second limiting member, 331-Cavity, 331a-Bottom wall, 331b-Side wall, 332-Second limiting block, 400-Positioning component. Detailed Implementation

[0030] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0031] It should be noted that all directional indications in the embodiments of this application are only used to explain the relative positional relationship and movement of each component in a specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0032] In this application, unless otherwise expressly specified and limited, the terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0033] Furthermore, the use of terms such as "first" and "second" in this application is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. If the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed in this application.

[0034] When a food processor is designed with a detachable head, lid, body, and blades, an additional positioning component is often required to ensure that the rotating blades remain coaxial with the output shaft of the head. However, the detachable design inevitably results in a shorter positioning component. Consequently, if the user operates it improperly, the rotating blades may separate from the head, tilt, and eventually scratch the inner wall of the body. The blades may also deform or be damaged during the collision, affecting the processing effect on the food.

[0035] This application is described below with reference to the accompanying drawings and specific embodiments:

[0036] Please see Figures 1-6 This application provides a food processor. The food processor 10 in this application can be a meat grinder or garlic grinder, etc. The food processor 10 provided in this application can cut and stir food ingredients.

[0037] In this embodiment, the food processor 10 includes a mixing cup 100, a main unit 200, a cutting component 300, a first limiting component 122, and a second limiting component 330.

[0038] The blender cup 100 is a basic structural component for containing food ingredients and ensuring that the food ingredients do not splash to the outside during processing. The blender cup 100 includes a cup body 110 and a cup lid 120 that is fastened to the opening of the cup body 110. The cup lid 120 is provided with a transmission hole 121.

[0039] The main unit 200 is installed in the mixing cup 100. The main unit 200 has an output shaft for driving the cutting piece 300 to rotate. The main unit 200 is equipped with a motor. The output shaft rotates under the drive of the motor, which in turn drives the cutting piece 300 to rotate and cut or mix the food.

[0040] The cutting component 300 has a drive shaft 310, at least a portion of which or at least a portion of which is an output shaft, passes through a drive hole 121 to allow the drive shaft 310 to be detachably connected to the output shaft. At least one blade is provided on the outer wall of the drive shaft 310 for cutting food. A first limiting member 122 protrudes from the inner wall of the cup lid 120; a second limiting member 330 is disposed on the drive shaft 310. When the first limiting member 122 and the second limiting member 330 are in contact, the cutting component 300 stops rotating.

[0041] The first limiting member 122 protrudes from the outer wall of the cup lid 120. When the cutting member 300 separates from the output shaft while rotating, the transmission shaft 310 continues to rotate due to inertia and at a relatively high speed. The second limiting member 330, which is provided on the transmission shaft 310, rotates together with the transmission shaft 310. Even when the transmission shaft 310 tilts at a small angle, it still maintains a high rotational speed. As the tilt angle of the rotating shaft increases, the first limiting member 122 and the second limiting member 330 will eventually contact each other, thereby preventing the transmission shaft 310 from continuing to rotate. If the first limiting member 122 and the second limiting member 330 remain relatively stationary after contact, the transmission shaft 310 will not continue to tilt, the blade 320 will not contact the inner wall of the cup body 110, the blade 320 will not be easily damaged by impacting the cup body 110 during high-speed rotation, and the inner wall of the cup body 110 will not be scratched. If the first limiting member 122 and the second limiting member 330 come into contact, and the drive shaft 310 continues to tilt until it tipps into the cup body 110, the contact or impact between the first limiting member 122 and the second limiting member 330 will significantly reduce the kinetic energy of the drive shaft 310. The drive shaft 310 will no longer rotate or its rotation speed will be significantly reduced. At this time, even if the blade 320 comes into contact with the inner wall of the cup body 110, the damage to the inner wall of the cup body 110 by the blade 320 will be relatively small. As the kinetic energy of the blade 320 decreases, the collision between the blade 320 and the cup body 110 will not easily deform the blade 320. All of the above can significantly reduce the probability of damage to the inner wall of the cup body 110 and the blade 320, thereby increasing the service life of the food processor 10 and ensuring that the food processor 10 still has a good processing effect on the food during long-term use. Of course, when the first limiting member 122 and the second limiting member 330 are not in contact, the first limiting member 122 will not affect the rotation of the drive shaft 310, and the food processor 10 can smoothly cut or stir the ingredients.

[0042] In an optional embodiment of this application, the first limiting member 122 protrudes from the periphery of the transmission hole 121, and the second limiting member 330 protrudes from one end of the transmission shaft 310 near the transmission hole 121. When the transmission shaft 310 is connected to the output shaft, the orthographic projection of the second limiting member 330 on the transmission shaft 310 overlaps with the orthographic projection of the first limiting member 122 on the transmission shaft 310, and the first limiting member 122 and the second limiting member 330 are in radial clearance fit with each other on the transmission shaft 310.

[0043] Please see Figures 2-4 Specifically, when the drive shaft 310 is connected to the output shaft, the drive shaft 310 and the output shaft are coaxially arranged to ensure that the output shaft can drive the drive shaft 310 to rotate. The orthographic projection of the second limiting member 330 on the drive shaft 310 overlaps with the orthographic projection of the first limiting member 122 on the drive shaft 310. That is, when the drive shaft 310 is connected to the output shaft, the top end of the second limiting member 330 is higher than the bottom end of the first limiting member 122. This ensures that when the drive shaft 310 is tilted, the side wall of the second limiting member 330 facing the first limiting member 122 can contact the first limiting member 122, increasing the probability that the drive shaft 310 will stop rotating and stop tilting after the first limiting member 122 and the second limiting member 330 contact each other, thus improving the rotation of the drive shaft 310. The blade 320 is unlikely to come into contact with the inner wall of the cup body 110; the first limiting member 122 protrudes from the periphery of the transmission hole 121, meaning the second limiting member 330 can contact the side wall of the first limiting member 122 from any direction. As long as the angle between the axis of the transmission shaft 310 and the axis of the output shaft is greater than the target angle, the first limiting member 122 and the second limiting member 330 can come into contact, shortening the time for the second limiting member 330 to contact or impact the first limiting member 122 after the transmission shaft 310 begins to tilt, and enabling a faster reduction in the rotational speed of the transmission shaft 310, allowing the cutting piece 300 to stop quickly. The target angle can be obtained based on the minimum gap between the first limiting member 122 and the second limiting member 330 in the radial direction of the transmission shaft 310 and the height between the top end of the second limiting member 330 and the bottom end of the transmission shaft 310.

[0044] In an optional embodiment of this application, the minimum gap between the first limiting member 122 and the second limiting member 330 in the radial direction of the transmission shaft 310 is 0.5mm-3mm.

[0045] Based on the overall size of a typical household food processor 10, the minimum gap between the first limiting member 122 and the second limiting member 330 in the radial direction of the drive shaft 310 can be 0.5mm, 0.7mm, 1mm, 1.5mm, 2mm, 2.5mm, 3mm, etc., as long as it can ensure that the second limiting member 330 can contact or collide with the first limiting member 122 and stop the drive shaft 310 during the tilting process.

[0046] In an optional embodiment of this application, the end face of the second limiting member 330 facing the host 200 has a cavity 331, the cavity 331 has a bottom wall 331a and a side wall 331b, the first limiting member 122 is covered in the cavity 331, and the first limiting member 122 is spaced apart from the bottom wall 331a and the side wall 331b of the cavity 331.

[0047] Please see Figure 2 , Figure 4 and Figure 5 It is understandable that any sidewall 331b of the cavity 331 can contact the first limiting member 122. As long as the angle between the axis of the drive shaft 310 and the axis of the output shaft is greater than the target angle, the first limiting member 122 and the second limiting member 330 can contact each other, which shortens the contact time between the second limiting member 330 and the first limiting member 122, and reduces the rotational speed of the drive shaft 310 more quickly. After the inner wall of the cavity 331 contacts the first limiting member 122, as long as there is no relative displacement between the cup body 110 and the cup lid 120 to change the position of the first limiting member 122 relative to the cup body 110, the first limiting member 122 will maintain contact with the second limiting member 330, the drive shaft 310 will not continue to tilt, and the blade 320 will not contact the inner wall of the cup body 110. The blade 320 and the cup body 110 are not easily damaged.

[0048] The gap between the first limiting member 122 and the bottom wall 331a and side wall 331b of the cavity 331 can prevent the first limiting member 122 from causing wear on the bottom wall 331a and / or side wall 331b of the cavity 331 during the food processing process of the food processor 10. It can also prevent friction between the second limiting member 330 and the first limiting member 122 from affecting the rotation of the drive shaft 310. Furthermore, when the drive shaft 310 is connected to the output shaft, the first limiting member 122 is located inside the cavity 331, that is, the bottom wall 331a of the cavity 331 is below the first limiting member 122. The second limiting member 330 can block the food from adhering to the first limiting member 122 to a certain extent, thereby reducing the probability of food adhering to the drive hole 121 or blocking the drive hole 121. The food processor 10 is less likely to stop cutting due to blockage of the drive hole 121. Moreover, the drive shaft 310 and the output shaft are detachably connected. After the second limiting member 330 on the cutting member 300 is removed, it is easy to clean, which can improve the user experience.

[0049] In an optional embodiment of this application, the cavity 331 is coaxially arranged with the drive shaft 310. That is, no matter how the second limiting member 330 on the drive shaft 310 rotates, the minimum gap between the first limiting member 122 and the side wall 331b of the cavity 331 remains unchanged or varies within a very small range. When the side wall 331b of the cavity 331 in any position contacts or collides with the first limiting member 122, the drive shaft 310 can stop rotating or displacing. The range of change of the included angle between the drive shaft 310 and the bottom wall of the cup body 110 is small, which can further prevent the drive shaft 310 from continuing to tilt and protect the blade 320 and the inner wall of the cup body 110 from being scratched.

[0050] In an optional embodiment of this application, the first limiting member 122 is arranged in a ring shape and is coaxial with the transmission hole 121.

[0051] Please see Figure 2 , Figure 4 and Figure 5 It is understandable that when the first limiting member 122 is arranged in a ring shape, the second limiting member 330 has multiple points that can contact the inner wall of the cavity 331 of the second limiting member 330. Generally speaking, the transmission hole 121 is coaxial with the output shaft and the transmission shaft 310. At this time, the first limiting member 122 and the second limiting member 330 are also coaxially arranged. The gap between the first limiting member 122 and the second limiting member 330 is equal. When the side wall 331b of any position of the cavity 331 contacts the outer wall of any position of the first limiting member 122 until the transmission shaft 310 stops rotating, the range of change of the included angle between the transmission shaft 310 and the bottom wall of the cup body 110 is small. The first limiting member 122 will restrict the second limiting member 330 from continuing to tilt, so that the blade 320 on the transmission shaft 310 cannot contact the inner wall of the cup body 110.

[0052] In an optional embodiment of this application, the outer ring wall of the first limiting member 122 is provided with at least one first limiting block 123, and the second limiting member 330 is provided with at least one second limiting block 332 that can be opposite to the first limiting block 123.

[0053] Understandably, during the tilting process of the drive shaft 310, the second limiting block 332 set on the drive shaft 310 rotates with the rotation of the drive shaft, and the rotation speed of the drive shaft 310 is relatively fast. When the distance between the first limiting block 123 and the side wall 331b of the cavity 331 is less than the thickness of the second limiting block 332, the second limiting block 332 can contact the first limiting block 123 in less than one revolution around the axis of the drive shaft 310. That is, the second limiting block 332 can contact the first limiting block 123 more quickly, and the first limiting member 122 can block the second limiting block 332 from continuing to move forward to a certain extent. This allows the drive shaft 310 to stop rotating as soon as possible and remain stationary relative to the first limiting member 122, shortening the stopping time of the drive shaft 310 and improving the stopping efficiency.

[0054] In an optional embodiment of this application, the first limiting member 122 has a plurality of first limiting blocks 123, which are arranged circumferentially along the transmission hole 121. The second limiting member 330 has a plurality of second limiting blocks 332, which are arranged circumferentially along the transmission shaft 310. The second limiting blocks 332 can be engaged between two first limiting blocks 123.

[0055] During the tilting process of the drive shaft 310, it loses its balance, and the second limiting member 330 will inevitably tend to move closer to the first limiting member 122. By setting multiple first limiting blocks 123 and multiple second limiting blocks 332, when the distance between any first limiting block 123 and the side wall 331b of the cavity 331 is less than the thickness of the second limiting block 332, the second limiting block 332 can contact one of the first limiting blocks 123 and be located between the two first limiting blocks 123 after rotating less than half a turn around the axis of the drive shaft 310. At this time, the two first limiting blocks 123 limit one second limiting block 332, and can also effectively prevent the second limiting block 332 from rebounding after colliding with the first limiting block 123, further improving the stopping efficiency and stopping effect. Of course, the number of first limiting blocks 123 and the number of second limiting blocks 332 can also be adjusted so that when the drive shaft 310 stops moving, one first limiting block 123 is located between two limiting blocks.

[0056] Considering the conventional size of the food processor 10, in an optional embodiment of this application, the distance between two adjacent first limiting blocks 123 is 3-5mm. Correspondingly, the width of the second limiting block 332 in the axial direction is also 3-5mm. The first limiting block 123 and the second limiting block 332 of this size have high resistance to attack. The first limiting block 123 and the second limiting block 332 are not easily damaged during contact or collision, thus extending their service life.

[0057] In an optional embodiment of this application, the distance between two adjacent second limiting blocks 332 is greater than 1.1 times the circumferential width of the first limiting block 123 and less than 2 times the circumferential width of the first limiting block 123. The circumferential width of the first limiting block 123 is its width in the circumferential direction of the transmission hole 121. Making the distance between the two second limiting blocks 332 greater than 1.1 times the circumferential width of the first limiting block 123 and less than 2 times the circumferential width of the first limiting block 123 allows the first limiting block 123 to be more easily engaged between the two second limiting blocks 332, thereby improving the tool stopping efficiency.

[0058] In an optional embodiment of this application, the distance between two adjacent first limiting blocks 123 is greater than 1.1 times the circumferential width of the second limiting block 332 and less than 2 times the circumferential width of the second limiting block 332. The circumferential width of the second limiting block 332 is its width along the circumference of the drive shaft 310. Making the distance between the two first limiting blocks 123 greater than 1.1 times the circumferential width of the second limiting block 332 and less than 2 times the circumferential width of the second limiting block 332 allows the second limiting block 332 to be more easily engaged between the two first limiting blocks 123, thereby improving the tool stopping efficiency.

[0059] Of course, in optional embodiments of this application, the first limiting member 122 and the plurality of first limiting blocks 123 can be gear-shaped, and the second limiting member 330 and the plurality of second limiting blocks 332 can be internal tooth ring-shaped. In this case, the first limiting block 123 is the tooth of the gear, and the second limiting block 332 is the tooth of the internal tooth ring. The tooth profile is an arc surface, and the engagement process of the first limiting block 123 and the second limiting block 332 will be smoother. This is beneficial for the first limiting block 123 to engage between the two second limiting blocks 332 or for the second limiting block 332 to engage between the two first limiting blocks 123, and it is less likely to produce abnormal noise, which can improve the user experience.

[0060] It should be noted that the embodiments of this application do not limit the connection method between the output shaft and the drive shaft 310. The output shaft and the drive shaft 310 can be connected by a connector 210. The connector 210 can be a spline shaft or other structure that enables the output shaft to drive the drive shaft 310 to rotate.

[0061] Please see Figure 1 and Figure 6 In an optional embodiment of this application, the inner bottom wall 331a of the cup body 110 is provided with a positioning member 400 opposite to the transmission hole 121. Both ends of the transmission shaft 310 are detachably connected to the output shaft and the first positioning member 400, respectively. The positioning member 400 limits the movement of the transmission shaft 310 to ensure that the output shaft maintains relatively stable rotation during the process of the motor driving the transmission shaft 310 to rotate through the output shaft. Specifically, please refer to... Figure 1 The positioning element 400 is a cylinder protruding from the inner bottom wall 331a of the cup body 110. The drive shaft 310 is provided with a positioning hole 311 that matches the cylinder. The cylinder is rotatably connected to the positioning hole 311. The cylinder limits the bottom end of the drive shaft 310. The output shaft is connected to the drive shaft 310 to limit the top end of the drive shaft 310.

[0062] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.

[0063] Furthermore, the technical solutions of the various embodiments can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed in this application.

[0064] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. A food processor, characterized in that, The application relates to a blender cup and a blender. The blender cup comprises a cup body and a cup cover fastened to the opening of the cup body, wherein the cup cover is provided with a transmission hole. The blender comprises a main machine provided in the blender cup, wherein the main machine has an output shaft. The blender further comprises a cutting member having a transmission shaft, wherein at least part of the transmission shaft or at least part of the output shaft passes through the transmission hole so that the transmission shaft and the output shaft are detachably connected. A first limiting member is protruded from the inner wall of the cup cover. A second limiting member is provided on the transmission shaft. When the first limiting member and the second limiting member are in contact, the cutting member stops rotating.

2. The food processor of claim 1, wherein, The first limiting member is protruded from the circumferential side of the transmission hole, and the second limiting member is protruded from one end of the transmission shaft close to the transmission hole.

3. The food processor of claim 2, wherein, When the transmission shaft is connected with the output shaft, the second limiting member has an overlapping part with the first limiting member on the transmission shaft.

4. The food processor of claim 2, wherein, The minimum gap between the first limiting member and the second limiting member in the radial direction of the transmission shaft is 0.5-3 mm.

5. The food processor of claim 4, wherein, The end surface of the second limiting member towards the main machine has a concave cavity with a bottom wall and a side wall.

6. The food processor of claim 1, wherein, The first limiting member is covered in the concave cavity, and the first limiting member is gap-set with the bottom wall and the side wall of the concave cavity.

7. The food processor of claim 6, wherein, The concave cavity is coaxially arranged with the transmission shaft.

8. The food processor of claim 7, wherein, The first limiting member is annularly arranged and coaxially arranged with the transmission hole.

9. The food processor of claim 8, wherein, The outer ring wall of the first limiting member is provided with at least one first limiting block, and the second limiting member is provided with at least one second limiting block capable of being opposite to the first limiting block.

10. The food processor of claim 8, wherein, The first limiting member has a plurality of first limiting blocks arranged along the circumferential direction of the transmission hole.

11. The food processor of claim 8, wherein, The second limiting member has a plurality of second limiting blocks arranged along the circumferential direction of the transmission shaft. The second limiting block can be clamped between two first limiting blocks. The distance between two adjacent first limiting blocks is 3-5 mm. The distance between two adjacent second limiting blocks is greater than 1.1 times the circumferential width of the first limiting block and less than 2 times the circumferential width of the first limiting block. The distance between two adjacent first limiting blocks is greater than 1.1 times the circumferential width of the second limiting block and less than 2 times the circumferential width of the second limiting block.

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