A safe multifunctional food chopper

Abstract

This invention discloses a safe and multifunctional food chopper, relating to the field of kitchen utensil technology. It includes a main structure comprising a motor base, a cover plate at the bottom of the motor base, a chopping frame at the bottom of the cover plate, and a cutting blade inside the chopping frame. The bottom of the motor base penetrates the cover plate and contacts the cutting blade. It also includes a locking assembly comprising a mating ring fixedly connected to the top of the cover plate, the surface of which is provided with a first locking element for locking the motor base and the cover plate. The locking assembly reliably locks the motor base, cover plate, and chopping frame. The first locking element ensures a firm connection between the motor base and the cover plate, and the second locking element ensures a stable connection between the cover plate and the chopping frame. This integrates all modules of the machine into a single unit, preventing separation of components even if the equipment tilts, thus eliminating the risk of exposed cutting blades and food splattering.

Description

Technical Field

[0001] This invention relates to the field of kitchen utensils technology, and in particular to a safe and multifunctional food chopper. Background Technology

[0002] Most household food choppers on the market today adopt a modular, detachable design to meet the needs of easy cleaning and maintenance after use. The whole machine is usually divided into four independent modules: motor base, cover plate, chopping frame and blade assembly. The components are assembled and combined by simple snap-fit ​​and stacking. After use, they can be quickly disassembled to facilitate thorough cleaning of parts such as the chopping chamber and blades where food residue is easily left. This solves the problems of many dead corners, difficult cleaning, and easy bacterial growth in one-piece structures, and has certain advantages in terms of ease of use and hygiene.

[0003] However, in actual use, the conventional modular shredders mentioned above rely solely on simple snap-fit ​​assembly of the modules without a reliable locking and positioning structure. During operation, the motor generates continuous vibration, which can easily lead to relative displacement and loosening between the modules. In addition, conventional shredders often require manual pressing of the cover plate. If the machine body is subjected to uneven force, the platform is tilted, or there is accidental contact, the entire machine is prone to tilting or tipping over, which can cause the modules to separate, the cover plate to pop up, and the shredding frame to shift. The high-speed rotating blades may become exposed or food may splatter, posing safety hazards such as hand cuts and injuries from flying debris. Overall, the safety of use is low. In addition, common household food choppers also suffer from poor natural heat dissipation and low efficiency. The core driving component of the device is a built-in motor. When working continuously, the motor coil, shaft and other components will quickly accumulate heat. When the temperature rises, it is easy to trigger the motor's built-in thermal protection mechanism, forcing the device to stop automatically. Especially in scenarios where a large amount of food or multiple foods are chopped in batches, frequent shutdowns for cooling significantly extend the overall operation time, reduce efficiency, and make it difficult to meet users' needs for efficient cooking. Summary of the Invention

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the invention.

[0005] In view of the problems existing in the above and / or existing safe multi-functional food choppers, the present invention is proposed.

[0006] Therefore, the problem to be solved by the present invention is how to solve the problem that the assembly of the various modules of the whole machine is achieved by simply stacking and matching, without a reliable locking and positioning structure and poor heat dissipation, resulting in frequent shutdowns for cooling and a significant increase in the overall operation time.

[0007] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a safe and multifunctional food chopper, comprising: a main structure including a motor base, a cover plate provided at the bottom of the motor base, a chopping frame provided at the bottom of the cover plate, a cutting blade provided in the inner cavity of the chopping frame, and the bottom of the motor base penetrating the cover plate and contacting the cutting blade; and a locking assembly including a docking ring fixedly connected to the top of the cover plate, the surface of the docking ring being provided with a first locking member for locking the motor base and the cover plate, and embedding grooves provided on both sides of the top of the chopping frame, the inner cavity of the embedding groove being provided with a second locking member for locking the cover plate and the chopping frame; and a cooling assembly including a dual-shaft motor fixedly connected to the inner cavity of the motor base, a fan blade fixedly connected to the top of the dual-shaft motor, an air inlet groove provided at the top of the surface of the motor base, an exhaust groove provided at the bottom of the surface of the motor base, and a negative pressure member provided in the inner cavity of the exhaust groove.

[0008] In a preferred embodiment of the safe multifunctional food chopper of the present invention, the first locking member includes a cavity formed in the side wall of the motor base. A rotating shaft is rotatably connected to both sides of the inner wall of the cavity. A guide rail is fixedly connected to the surface of the rotating shaft. A guide block is slidably connected to the inner cavity of the guide rail. A limiting groove is formed in the inner wall of the cavity and cooperates with the guide block. A pressing block is fixedly connected to a corresponding side of the guide block located at the top. The corresponding side of the pressing block penetrates the motor base and extends to the outside of the motor base.

[0009] As a preferred embodiment of the safe multifunctional food chopper of the present invention, a locking block is fixedly connected to one side of the guide block located at the bottom, the corresponding side of the locking block penetrates through the motor seat and extends to the outside of the motor seat, and the surface of the docking ring sleeve is provided with a locking groove and cooperates with the locking block.

[0010] In a preferred embodiment of the safe and multifunctional food chopper of the present invention, springs are fixedly connected to both sides of the rotating shaft surface and are fixedly connected to the inner wall of the cavity.

[0011] In a preferred embodiment of the safe multifunctional food chopper of the present invention, the second locking member includes a fixing plate slidably connected to the inner cavity of the cover plate. One side of the fixing plate penetrates the cover plate and extends to the outside of the cover plate, and the other side of the fixing plate penetrates the cover plate and extends into the embedding groove. The inner wall of the embedding groove is provided with a fixing groove that cooperates with the fixing plate.

[0012] In a preferred embodiment of the safe and multifunctional food chopper of the present invention, a first spring is fixedly connected to the inner wall of the cover plate and is fixedly connected to the fixing plate.

[0013] As a preferred embodiment of the safe and multifunctional food chopper of the present invention, a fixing ring is fixedly connected to the top of the fixing plate, a fixing seat is provided on the corresponding side of the fixing ring and fixedly connected to the cover plate, and through grooves are provided on both sides of the top of the cover plate and cooperate with the fixing ring.

[0014] As a preferred embodiment of the safe multifunctional food chopper of the present invention, the negative pressure component includes an exhaust pipe fixedly connected to both sides of the inner cavity of the exhaust groove, the inner side of the exhaust pipe is connected to a throat pipe, a first flow channel is opened on one side of the side wall of the motor base and is connected to the throat pipe, a connecting pipe is embedded in the cover plate, and the top of the connecting pipe passes through the first flow channel and is connected to the first flow channel.

[0015] As a preferred embodiment of the safe and multifunctional food chopper of the present invention, the side wall of the chopping frame is provided with a second flow channel, and the bottom of the connecting pipe passes through the second flow channel and is in communication with the second flow channel.

[0016] In a preferred embodiment of the safe and multifunctional food chopper of the present invention, a rubber pad is fixedly connected to the bottom of the chopping frame, and the rubber pad is annular.

[0017] The beneficial effects of this invention are as follows: the locking components enable reliable locking of the motor base, cover plate, and chopping frame; the first locking component ensures a firm connection between the motor base and the cover plate; and the second locking component ensures a stable connection between the cover plate and the chopping frame. This integrates all modules of the machine into a single unit, preventing the components from separating even if the equipment tilts. This eliminates the risk of exposed cutting blades and food splattering during high-speed operation, thus avoiding hand injuries and other safety hazards and significantly improving the safety of the equipment. The cooling components synchronously drive the cutting blades and fan blades. The fan blades, in conjunction with the air inlet and outlet, create air circulation within the motor base cavity, quickly removing the heat generated by the dual-shaft motor. Simultaneously, the Venturi effect generated by the exhaust pipe and throat provides auxiliary fixation. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1This is a structural diagram of a safe and multifunctional food chopper.

[0020] Figure 2 Cross-sectional view of the motor base and cover plate structure of a safety-safe multi-functional food chopper.

[0021] Figure 3 For safety, multi-functional food chopper Figure 2 Enlarged view of the structure of region A in the middle.

[0022] Figure 4 Cross-sectional view of the cover and chopping frame structure of a safety-safe multi-functional food chopper.

[0023] Figure 5 For safety, multi-functional food chopper Figure 4 Enlarged view of the structure of region B in the middle.

[0024] Figure 6 Cross-sectional view of the motor base, cover plate, and chopping frame structure of a safety-safe multi-functional food chopper.

[0025] Figure 7 For safety, multi-functional food chopper Figure 6 Enlarged view of the structure of region C in the middle.

[0026] Figure 8 For safety, multi-functional food chopper Figure 6 Enlarged view of the structure of region D in the middle.

[0027] In the diagram: 1. Main structure; 11. Motor base; 12. Cover plate; 13. Shredding frame; 14. Cutting blade; 2. Locking assembly; 21. Connecting ring sleeve; 22. First locking element; 23. Embedded groove; 24. Second locking element; 3. Cooling assembly; 31. Dual-shaft motor; 32. Fan blade; 33. Air inlet slot; 34. Exhaust slot; 35. Negative pressure element; 221. Cavity; 222. Rotating shaft; 223. Guide rail; 2 24. Guide block; 2241. Limiting groove; 225. Pressing block; 226. Locking block; 227. Locking groove; 228. Spring; 241. Fixing plate; 242. Fixing groove; 243. First spring; 244. Fixing ring; 245. Fixing seat; 246. Through groove; 351. Exhaust pipe; 352. Throat pipe; 353. First flow channel; 354. Connecting pipe; 355. Second flow channel; 356. Rubber pad. Detailed Implementation

[0028] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0029] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0030] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.

[0031] Example 1, referring to Figures 1-8 This is the first embodiment of the present invention, which provides a safe and multifunctional food chopper, including: a main structure 1, including a motor base 11, a cover plate 12 disposed at the bottom of the motor base 11, a chopping frame 13 disposed at the bottom of the cover plate 12, a cutting blade 14 disposed in the inner cavity of the chopping frame 13, the bottom of the motor base 11 penetrating through the cover plate 12 and contacting the cutting blade 14; and a locking assembly 2, including a docking ring 21 fixedly connected to the top of the cover plate 12, the surface of the docking ring 21 being provided with locking features for the motor base 11. The base 11 and the cover plate 12 have a first locking member 22. The top of the chopping frame 13 has two sides with an embedded groove 23. The inner cavity of the embedded groove 23 is provided with a second locking member 24 for locking the cover plate 12 and the chopping frame 13. The cooling assembly 3 includes a dual-axis motor 31 fixedly connected to the inner cavity of the motor base 11. The top of the dual-axis motor 31 is fixedly connected with a fan blade 32. The top of the surface of the motor base 11 has an air inlet groove 33. The bottom of the surface of the motor base 11 has an exhaust groove 34. The inner cavity of the exhaust groove 34 is provided with a negative pressure member 35.

[0032] The main structure 1 is the core of the machine for bearing and chopping. The motor base 11 is used to install the drive components and provide power support for the cutting blade 14. The cover plate 12 connects the motor base 11 and the chopping frame 13, achieving sealing and transition between the upper and lower components. The chopping frame 13 serves as a cavity for holding and chopping food, providing installation space for the cutting blade 14 while preventing food from splashing. The cutting blade 14 directly contacts the part of the motor base 11 that penetrates the cover plate 12, ensuring that the motor power can be stably transmitted to the blade, achieving efficient chopping of food and ensuring the normal operation of the chopping function.

[0033] The locking component 2 is the key to improving the safety of the whole machine. The docking ring 21 is used to position the docking position of the motor base 11 and the cover plate 12. The first locking component 22 realizes the reliable locking of the motor base 11 and the cover plate 12, preventing the two from separating due to vibration when the motor is running. The second locking component 24 is installed through the embedded groove 23 to realize the locking and fixing of the cover plate 12 and the chopping frame 13, so that the motor base 11, the cover plate 12, and the chopping frame 13 form a stable whole. This solves the problem that conventional choppers are easy to loosen and tip over by simply locking, and structurally eliminates the safety hazards of exposed blades and food splashing.

[0034] The cooling component 3 solves the problem of poor heat dissipation and easy thermal protection shutdown of conventional shredder motors. The dual-shaft motor 31, as the power core of the whole machine, provides shredding power for the cutting blade 14 and rotation power for the fan blade 32, realizing the integrated utilization of power. The rotation of the fan blade 32, together with the air inlet groove 33 and the exhaust groove 34, forms an air circulation in the inner cavity of the motor base 11, which quickly removes the heat generated by the dual-shaft motor 31 during operation. The negative pressure component 35 uses the negative pressure generated by the airflow to achieve auxiliary fixation of the whole machine.

[0035] The motor base 11, cover plate 12, shredding frame 13, cutting blade 14 and dual-axis motor 31 are all existing technologies, which are clearly known to those skilled in the art, and will not be described in detail here.

[0036] Example 2, refer to Figures 1-8 This is the second embodiment of the present invention, which is based on the previous embodiment.

[0037] Specifically, the first locking member 22 includes a cavity 221 opened in the side wall of the motor base 11. A rotating shaft 222 is rotatably connected to both sides of the inner wall of the cavity 221. A guide rail 223 is fixedly connected to the surface of the rotating shaft 222. A guide block 224 is slidably connected to the inner cavity of the guide rail 223. A limiting groove 2241 is opened in the inner wall of the cavity 221 and cooperates with the guide block 224. A pressing block 225 is fixedly connected to the corresponding side of the top guide block 224. The corresponding side of the pressing block 225 penetrates the motor base 11 and extends to the outside of the motor base 11.

[0038] The cavity 221 provides installation space for the components of the first locking member 22, ensuring that the components are assembled in an orderly manner and not exposed, thus avoiding interference with the locking function from foreign objects. The rotating shaft 222 serves as the rotational support for the guide rail 223, allowing the guide rail 223 to rotate flexibly. The guide rail 223 slides in conjunction with the guide block 224 to achieve displacement adjustment of the guide block 224. The limiting groove 2241 cooperates with the guide block 224 to limit the movement direction of the guide block 224, preventing the guide block 224 from deviating and ensuring reliable locking action. The pressing block 225 extends through the motor base 11 to the outside, providing a convenient operating component for the operator. By pressing the pressing block 225, the guide block 224 can be driven to move, thereby driving the guide rail 223 to rotate around the rotating shaft 222 to achieve the unlocking action. The operation is simple and labor-saving, requiring no additional tools.

[0039] Specifically, a locking block 226 is fixedly connected to one side of the guide block 224 at the bottom. The corresponding side of the locking block 226 passes through the motor base 11 and extends to the outside of the motor base 11. A slot 227 is provided on the surface of the mating ring sleeve 21 and cooperates with the locking block 226.

[0040] The locking block 226 is fixed to one side of the bottom guide block 224, extends through the motor base 11 to the outside, and the slot 227 is opened on the surface of the mating ring 21. When the motor base 11 is mated with the cover plate 12, the locking block 226 can be embedded in the slot 227 to form a mechanical locking structure, which effectively prevents the relative displacement of the motor base 11 and the cover plate 12 and avoids the motor vibration causing the two to loosen and separate.

[0041] Specifically, springs 228 are fixedly connected to both sides of the surface of the rotating shaft 222 and are fixedly connected to the inner wall of the cavity 221.

[0042] When the guide block 224 moves and drives the rotating shaft 222 to rotate, the spring 228 is compressed and stores elastic potential energy. When the locking position is aligned, the spring 228 releases the elastic potential energy, drives the rotating shaft 222 to rotate in the opposite direction, and then drives the guide block 224 and the locking block 226 to reset, thus achieving automatic locking.

[0043] Specifically, the second locking member 24 includes a fixing plate 241 that is slidably connected to the inner cavity of the cover plate 12. One side of the fixing plate 241 penetrates the cover plate 12 and extends to the outside of the cover plate 12. The other side of the fixing plate 241 penetrates the cover plate 12 and extends into the embedding groove 23. The inner wall of the embedding groove 23 is provided with a fixing groove 242, which cooperates with the fixing plate 241.

[0044] The fixing plate 241 is slidably connected to the inner cavity of the cover plate 12 and can move flexibly. The middle section of the fixing plate 241 is a telescopic structure, which can be adjusted according to the force to adapt to locking and unlocking actions. Its two ends extend through the cover plate 12 to the outside and into the embedded groove 23, respectively. When the cover plate 12 covers the shredding frame 13, the end of the fixing plate 241 extending into the embedded groove 23 can cooperate with the fixing groove 242 to form a mechanical lock between the cover plate 12 and the shredding frame 13, preventing relative displacement between the two.

[0045] Specifically, the inner wall of the cover plate 12 is fixedly connected to a first spring 243, and is also fixedly connected to a fixing plate 241.

[0046] The first spring 243 is fixed between the inner wall of the cover plate 12 and the fixing plate 241. The middle section of the fixing plate 241 is a telescopic structure that can expand and contract with force. When the fixing plate 241 is moved by external force, the first spring 243 will be compressed and store elastic potential energy. First, the cover plate 12 is placed on the chopping frame 13, and then the motor base 11 is placed on top of the cover plate 12. At this time, the bottom of the motor base 11 presses against the fixing plate 241, causing the fixing plate 241 to move and engage with the fixing groove 242. At the same time, the first spring 243 is compressed. The purpose of this compression is to release the elastic potential energy after the motor base 11 leaves, so that the fixing plate 241 can be reset and move away from the fixing groove 242, thereby releasing the lock between the cover plate 12 and the chopping frame 13. The operation is convenient and the locking is reliable.

[0047] Specifically, a fixing ring 244 is fixedly connected to the top of the fixing plate 241, and a fixing seat 245 is provided on the corresponding side of the fixing ring 244 and is fixedly connected to the cover plate 12. Through grooves 246 are provided on both sides of the top of the cover plate 12 and cooperate with the fixing ring 244.

[0048] The fixing ring 244 is fixed to the top of the fixing plate 241 and can move synchronously with the fixing plate 241. The middle section of the fixing plate 241 is an elastic structure, and its elastic force is greater than that of the first spring 243. Only when the fixing ring 244 is manually operated will the middle section of it contract and deform with the help of external force to adapt to the unlocking action. The through groove 246 is opened on both sides of the top of the cover plate 12, which cooperates with the fixing ring 244 to provide the fixing ring 244 with movement space, and at the same time facilitates the operator to access the fixing ring 244. The fixing seat 245 is fixed on the cover plate 12 and located on one side of the fixing ring 244. When it is necessary to unlock the cover plate 12 and the chopping frame 13, the operator can move the fixing ring 244 through the through groove 246, and use external force to put the fixing ring 244 onto the surface of the fixing seat 245, forcing the middle section of the fixing plate 241 to deform and move away from the fixing groove 242, so as to achieve quick unlocking. Especially when adding ingredients in the middle, the cover plate 12 and the chopping frame 13 can be quickly separated without disassembling the motor base 11, simplifying the operation process.

[0049] Specifically, the negative pressure component 35 includes an exhaust pipe 351 fixedly connected to both sides of the inner cavity of the exhaust groove 34. The inner side of the exhaust pipe 351 is connected to a throat pipe 352. A first flow channel 353 is opened on one side of the side wall of the motor base 11 and is connected to the throat pipe 352. A connecting pipe 354 is embedded in the cover plate 12. The top of the connecting pipe 354 passes through the first flow channel 353 and is connected to the first flow channel 353.

[0050] The exhaust pipe 351 is fixed on both sides of the inner cavity of the exhaust groove 34 to guide the hot air in the motor base 11 to be discharged. The throat pipe 352 is connected to the exhaust pipe 351 and adopts a variable diameter structure design. Utilizing the Venturi effect, when air flows through the throat pipe 352, the airflow speed increases and the air pressure decreases, thereby generating negative pressure in the first flow channel 353. The first flow channel 353 is opened in the side wall of the motor base 11, and the connecting pipe 354 is embedded in the cover plate 12 to connect the first flow channel 353 with the external structure to realize the transmission of negative pressure. Through the cooperation of the fan blade 32, the air inlet groove 33, and the exhaust groove 34, not only can the air circulation in the motor base 11 be accelerated, the heat dissipation efficiency be improved, and the overheating shutdown of the dual-shaft motor 31 be avoided, but the generated negative pressure can also achieve the auxiliary fixing function.

[0051] Specifically, the side wall of the chopping frame 13 is provided with a second flow channel 355, and the bottom of the connecting pipe 354 passes through the second flow channel 355 and is connected to the second flow channel 355.

[0052] The second flow channel 355 is located on the side wall of the chopping frame 13 and is connected to the bottom of the connecting pipe 354. It can transfer the negative pressure generated in the first flow channel 353 to the bottom of the chopping frame 13, so that a negative pressure environment is formed between the bottom of the chopping frame 13 and the placement surface, which enhances the adsorption force between the chopping frame 13 and the placement surface and effectively prevents the equipment from shifting or tipping over due to vibration during operation.

[0053] Specifically, a rubber pad 356 is fixedly connected to the bottom of the chopping frame 13, and the rubber pad 356 is ring-shaped.

[0054] The rubber pad 356 is fixed in a ring at the bottom of the chopping frame 13. It has good elasticity and sealing performance. When the negative pressure component 35 generates negative pressure, the rubber pad 356 can fit tightly against the chopper placement surface, enhancing the sealing between the chopping frame 13 and the placement surface, making the negative pressure environment more stable and improving the adsorption and fixing effect. At the same time, the rubber pad 356 has a buffering and shock absorption function, which can absorb the vibration generated by the operation of the dual-shaft motor 31 and the cutting blade 14 when chopping food, reducing the damage of vibration to the placement surface, reducing the noise generated during equipment operation, and improving the user experience.

[0055] Working principle: During use, the operator first assembles the components. The operator then attaches the cutting blade 14 to the rotating sleeve inside the shredding frame 13 to complete the installation of the cutting components. Next, the cover plate 12 is placed on top of the shredding frame 13. At this time, the fixing plate 241 is not subjected to external force and is in its initial position. Then, the motor base 11 is placed on top of the cover plate 12. The bottom of the motor base 11 presses against the fixing plate 241 inside the cover plate 12, causing the fixing plate 241 to move towards the fixing groove 242 and engage with it. At the same time, the first spring 243 is compressed. The first spring 243 is compressed and stores elastic potential energy, preparing for the subsequent reset and release of the locking mechanism when the motor base 11 leaves, thus completing the initial locking of the cover plate 12 and the shredding frame 13.

[0056] Meanwhile, when the motor base 11 is placed on top of the cover plate 12, the bottom of the motor base 11 will penetrate the cover plate 12 and engage with the cutting blade 14. At the same time, the surface of the motor base 11 is in contact with the docking ring 21. At this time, the locking block 226 inside the cavity 221 contacts the surface of the docking ring 21, and the slope of the locking block 226 is squeezed, which drives the bottom guide block 224 to move and slide in the guide rail 223. At the same time, it drives the rotating shaft 222 to rotate around the inner wall of the cavity 221. When the rotating shaft 222 rotates, it compresses the springs on both sides. 228. When the locking block 226 is aligned with the slot 227, the spring 228 releases its elastic potential energy, driving the rotating shaft 222 to rotate in the opposite direction, which in turn drives the guide rail 223 and guide block 224 to reset, so that the locking block 226 is embedded in the slot 227, thus completing the locking of the motor base 11 and the cover plate 12. At this point, through the synergistic action of the first locking member 22 and the second locking member 24, the motor base 11, the cover plate 12, the shredding frame 13 and the cutting blade 14 are connected into a whole, solving the problem of loose connection of conventional shredder modules.

[0057] After assembly, the equipment is started, and the dual-axis motor 31 begins to work. The output end at the bottom of the dual-axis motor 31 drives the cutting blade 14 to rotate. The cutting blade 14 rotates at high speed inside the chopping frame 13, chopping the food placed inside the chopping frame 13, thus achieving the core chopping function. At the same time, the output end at the top of the dual-axis motor 31 drives the fan blade 32 to rotate synchronously. The rotation of the fan blade 32 generates suction, which allows external cold air to enter the inner cavity of the motor base 11 through the air inlet slot 33, cooling the dual-axis motor 31 and absorbing the heat. Hot air is discharged through the exhaust channel 34. At this time, the exhaust pipe 351 in the inner cavity of the exhaust channel 34 guides the flow of hot air. When the hot air flows through the throat 352, the Venturi effect is generated due to the variable diameter structure of the throat 352, which generates negative pressure in the first flow channel 353. The negative pressure is transmitted to the second flow channel 355 through the connecting pipe 354, so that a negative pressure environment is formed between the rubber pad 356 at the bottom of the shredding frame 13 and the placement surface. The rubber pad 356 is tightly attached to the placement surface, which further enhances the stability of the shredding frame 13 and prevents the equipment from vibrating, shifting, or tipping over.

[0058] If ingredients need to be added midway, the operator can move the fixing ring 244 through the through groove 246, and put the fixing ring 244 on the surface of the fixing seat 245, so that the fixing plate 241 is deformed and moved away from the fixing groove 242. While keeping the cover plate 12 and the motor seat 11 locked, the locking of the cover plate 12 and the chopping frame 13 can be released to simplify the disassembly process.

[0059] If complete disassembly and cleaning are required, the top guide block 224 can be moved by pressing block 225, which drives the rotating shaft 222 to rotate and the spring 228 to compress, causing the locking block 226 to disengage from the slot 227, thus releasing the lock between the motor base 11 and the cover plate 12. It should be noted that there is no need to move the fixing ring 244 during the overall disassembly. After the motor base 11 is removed, the fixing plate 241 will automatically move away from the fixing slot 242 under the action of the first spring 243, releasing the lock between the cover plate 12 and the shredding frame 13. Then, the cutting blade 14 can be removed to return to the initial state.

[0060] Example 3, referring to Figure 1 This is the third embodiment of the present invention, which is based on the first two embodiments.

[0061] Specifically, a filter screen can be added inside the air intake slot 33.

[0062] To prevent external dust and debris from entering the inner cavity of the motor base 11 through the air intake slot 33, contaminating the dual-shaft motor 31 or affecting the heat dissipation effect, a filter screen can be added inside the air intake slot 33. The filter screen can intercept impurities in the air without affecting the normal flow of cold air.

[0063] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A safe and multifunctional food chopper, characterized in that: include, The main structure (1) includes a motor base (11), a cover plate (12) is provided at the bottom of the motor base (11), a chopping frame (13) is provided at the bottom of the cover plate (12), a cutting blade (14) is provided in the inner cavity of the chopping frame (13), the bottom of the motor base (11) penetrates the cover plate (12) and contacts the cutting blade (14); and, The locking assembly (2) includes a docking ring (21) fixedly connected to the top of the cover plate (12). The surface of the docking ring (21) is provided with a first locking member (22) for locking the motor seat (11) and the cover plate (12). The top of the chopping frame (13) is provided with an embedding groove (23) on both sides. The inner cavity of the embedding groove (23) is provided with a second locking member (24) for locking the cover plate (12) and the chopping frame (13). The cooling assembly (3) includes a dual-axis motor (31) fixedly connected to the inner cavity of the motor base (11). The top of the dual-axis motor (31) is fixedly connected to a fan blade (32). An air inlet groove (33) is provided on the top surface of the motor base (11). An exhaust groove (34) is provided on the bottom surface of the motor base (11). A negative pressure component (35) is provided in the inner cavity of the exhaust groove (34).

2. The safe and multifunctional food chopper as described in claim 1, characterized in that: The first locking member (22) includes a cavity (221) opened in the side wall of the motor base (11). Both sides of the inner wall of the cavity (221) are rotatably connected to a rotating shaft (222). A guide rail (223) is fixedly connected to the surface of the rotating shaft (222). A guide block (224) is slidably connected to the inner cavity of the guide rail (223). A limit groove (2241) is opened in the inner wall of the cavity (221) and cooperates with the guide block (224). A pressing block (225) is fixedly connected to the corresponding side of the guide block (224) at the top. The corresponding side of the pressing block (225) penetrates the motor base (11) and extends to the outside of the motor base (11).

3. The safe and multifunctional food chopper as described in claim 2, characterized in that: A locking block (226) is fixedly connected to one side of the guide block (224) located at the bottom. The corresponding side of the locking block (226) passes through the motor seat (11) and extends to the outside of the motor seat (11). The surface of the mating ring sleeve (21) is provided with a locking groove (227) and cooperates with the locking block (226).

4. The safe and multifunctional food chopper as described in claim 2, characterized in that: Both sides of the rotating shaft (222) are fixedly connected to springs (228) and are fixedly connected to the inner wall of the cavity (221).

5. The safe and multifunctional food chopper as described in claim 1, characterized in that: The second locking member (24) includes a fixing plate (241) slidably connected to the inner cavity of the cover plate (12). One side of the fixing plate (241) penetrates the cover plate (12) and extends to the outside of the cover plate (12). The other side of the fixing plate (241) penetrates the cover plate (12) and extends into the embedding groove (23). The inner wall of the embedding groove (23) is provided with a fixing groove (242) that cooperates with the fixing plate (241).

6. The safe and multifunctional food chopper as described in claim 5, characterized in that: The inner wall of the cover plate (12) is fixedly connected to a first spring (243) and is also fixedly connected to a fixing plate (241).

7. The safe and multifunctional food chopper as described in claim 5, characterized in that: The top of the fixing plate (241) is fixedly connected to a fixing ring (244), and a fixing seat (245) is provided on the corresponding side of the fixing ring (244) and is fixedly connected to the cover plate (12). Both sides of the top of the cover plate (12) are provided with through grooves (246) that cooperate with the fixing ring (244).

8. The safe and multifunctional food chopper as described in claim 1, characterized in that: The negative pressure component (35) includes an exhaust pipe (351) fixedly connected to both sides of the inner cavity of the exhaust groove (34). The inner side of the exhaust pipe (351) is connected to a throat pipe (352). A first flow channel (353) is opened on one side of the side wall of the motor base (11) and is connected to the throat pipe (352). A connecting pipe (354) is embedded in the cover plate (12). The top of the connecting pipe (354) passes through the first flow channel (353) and is connected to the first flow channel (353).

9. The safe and multifunctional food chopper as described in claim 8, characterized in that: The side wall of the chopping frame (13) is provided with a second flow channel (355), and the bottom of the connecting pipe (354) passes through the second flow channel (355) and is connected to the second flow channel (355).

10. The safe and multifunctional food chopper as described in claim 9, characterized in that: A rubber pad (356) is fixedly connected to the bottom of the chopping frame (13), and the rubber pad (356) is annular.

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