CN216020673U

CN216020673U - Multifunctional food processor

Info

Publication number: CN216020673U
Application number: CN202122141499.6U
Authority: CN
Inventors: 朱泽春; 魏云杰; 陶琳; 刘远
Original assignee: Hangzhou Joyoung Household Electrical Appliances Co Ltd
Current assignee: Hangzhou Joyoung Household Electrical Appliances Co Ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-03-15
Anticipated expiration: 2031-09-06

Abstract

The application discloses multi-functional food preparation machine relates to life electrical apparatus technical field, and food preparation machine includes organism, stirring cup and locates the machined part in the stirring cup, is equipped with the motor element who is used for driving the machined part in the organism, and the machined part includes first machined part and second machined part, and motor element is including dismantling the drive structure of being connected with first machined part, and drive structure's output is equipped with the reducing gear box that can dismantle the connection, and the output and the second machined part of reducing gear box are connected. Can dismantle the reducing gear box of connection through the setting for food preparation machine can satisfy the operating mode in service behavior of different rotational speeds through the different rotational speeds of dismouting reducing gear box output, promptly: under the working condition that low rotating speed and large torque are needed, the reduction gearbox can be mounted at the output end of the driving structure to improve the output torque; under the working condition that high rotating speed and small torque are needed, the reduction gearbox can be detached from the output end of the driving structure, so that the independent operation of the high rotating speed driving structure is realized, and the gear abrasion of the reduction gearbox is reduced.

Description

Multifunctional food processor

Technical Field

The utility model relates to the technical field of household appliances, in particular to a multifunctional food processing machine.

Background

The existing food processing machine generally comprises a machine body, a stirring cup and a processing piece arranged in the stirring cup, wherein a motor assembly used for driving the processing piece is arranged in the machine body, in order to enable the food processing machine to realize different functions, a dual-output mechanism with different output rotating speeds is usually arranged in the machine body, and when a user needs to use the food processing machine to process food materials, one of the output structures is selected and the corresponding processing piece is installed to process the food materials.

However, the dual-output mechanism in the machine type can not operate independently, namely when one output structure is selected for food processing, the other output structure still operates, so that the service life of the dual-output structure is prolonged, the gears are abraded seriously, the service life of the food processing machine is shortened, and due to the friction and vibration of the gears, larger noise can be generated, and the use experience of consumers is seriously influenced.

Disclosure of Invention

The utility model aims to provide a multifunctional food processor, which is used for solving the problem that the double-output structure of the existing food processor cannot operate independently.

In order to achieve the purpose, the utility model provides a multifunctional food processing machine which comprises a machine body, a stirring cup and a processed part arranged in the stirring cup, wherein a motor component for driving the processed part is arranged in the machine body, the processed part comprises a first processed part and a second processed part, the motor component comprises a driving structure which can be detachably connected with the first processed part, the output end of the driving structure is provided with a detachably connected reduction box, and the output end of the reduction box is connected with the second processed part.

This application can dismantle the reducing gear box of connection through the output setting at drive structure for food preparation machine can satisfy the operating mode in service behavior of different rotational speeds through the different rotational speeds of dismouting reducing gear box output, promptly: under the working condition that low rotating speed and large torque are needed, the reduction gearbox can be mounted at the output end of the driving structure to reduce the rotating speed of the output end and improve the output torque, so that the use requirements of users are met; under the working condition that high rotating speed and small torque are needed, the reduction gearbox can be detached from the output end of the driving structure. And the reduction box is nimble dismouting, and the user operation of being convenient for, and after the reduction box was dismantled, the reduction box just no longer continued the operation, can realize the independent operation of high rotational speed drive structure, shortens the live time of reduction box, reduces the gear wear of reduction box to the life of extension reduction box avoids the noise that produces because of the gear rotation friction of reduction box under the high-speed operating mode simultaneously, reduces the noise that the complete machine produced, promotes user's use and experiences. In addition, the energy consumption of the driving reduction box can be reduced, the power consumption of the whole machine is reduced, and the energy utilization efficiency is improved.

In a preferred implementation of the multifunctional food processor, the drive structure is a motor shaft, which is in driving connection with the input end of the reduction gearbox.

Through setting up drive structure into the motor shaft, and the motor shaft is connected with the input transmission of reducing gear box, when the motor shaft is connected with first machined part, can provide higher rotational speed, help first machined part cutting to eat the material, improve the fine and smooth degree of eating the material, promote the taste of eating the material of output. Meanwhile, the driving structure is set as a motor shaft, so that the parts of the whole machine can be reduced, the compactness of the whole machine is improved, the occupied space of the food processor is reduced, and the food processor is beneficial to realizing miniaturization.

In a preferred implementation of the multifunctional food processor, the drive structure comprises a motor shaft and a primary speed reduction structure, the input end of the primary speed reduction structure is connected with the motor shaft, and the output end of the primary speed reduction structure is in transmission connection with the input end of the reduction gearbox.

Through setting up the drive structure to including motor shaft and one-level speed reduction structure, and the input and the motor shaft of one-level speed reduction structure are connected, and the output of one-level speed reduction structure is connected with the input transmission of reducing gear box for motor shaft self rotational speed reduces the back output under the effect of first speed reduction structure, is used for functions such as minced steak dish, moreover, can not influence the taste with eating the kibbling thin of material, has promoted user's use and has experienced. Meanwhile, the output end of the primary speed reduction structure is in transmission connection with the input end of the reduction gearbox, and then the output rotating speed of the reduction gearbox can be further reduced, so that the output torque of the reduction gearbox is further improved, and the requirements of users are met.

In a preferred implementation of the multifunctional food processor, the reduction ratio i of the one-stage reduction structure₁Reduction ratio i to reduction gearbox₂Satisfies the following conditions: i.e. i₂＝i₁±3。

By reducing the ratio i of the first reduction structure₁Reduction ratio i to reduction gearbox₂The settings are such that: i.e. i₂＝i₁3's form for the size of one-level speed reduction structure and reducing gear box is close, and the structure is more compact, is favorable to the consumer to grip, and helps reducing the size of complete machine, reduces food preparation machine's occupation space, makes the user accomodate it more easily, promotes user and uses experience.

In a preferred implementation of the multifunctional food processor, the reduction gearbox comprises a box body, a sun gear, a planet gear and a planet support, wherein the sun gear, the planet gear and the planet support are arranged in the box body and are matched with each other, one end of the sun gear extends to form an input end of the reduction gearbox, and one end of the planet support forms an output end of the reduction gearbox.

Through setting up the reducing gear box into including the box, setting up sun gear, planetary gear and the planet support in the box and mutually supporting, and the one end of sun gear extends the input that constitutes the reducing gear box, and the one end of planet support constitutes the output of reducing gear box for the structure of reducing gear box is compacter, helps reducing the complete machine size, improves the stationarity of complete machine operation simultaneously, promotes user experience.

In a preferred implementation of the multifunctional food processor, a first bearing is arranged between the input end of the reduction gearbox and the box body, and the input end is provided with a lubricating groove matched with the first bearing.

Through being equipped with first bearing between the input of reducing gear box and box for first bearing can play certain limiting displacement to the input of reducing gear box, avoids it to produce and radially rocks, improves the input stability of rotation of reducing gear box, thereby guarantees the stability of complete machine operation. The input is equipped with the lubrication groove with first bearing complex simultaneously for lubricating oil, lubricating grease etc. can enter into the input of reducing gear box and the clearance between the first bearing through the lubrication groove, lubricate the first bearing, reduce the wearing and tearing of first bearing, prolong the life of first bearing, also reduce the frictional noise between the input of first bearing and reducing gear box simultaneously, promote the user and use experience.

In a preferred implementation of the multifunctional food processor, the reduction gearbox further comprises a fixed gear ring fixed in the casing and engaged with the planetary gear, the fixed gear ring has a support part supporting the planetary carrier, one end of the planetary carrier forming the output end is provided with a second bearing matched with the support part, and the other end of the planetary carrier is provided with a third bearing supporting the sun gear.

One end of the output end of the planet support is provided with a second bearing matched with the supporting part, and the other end of the planet support is provided with a third bearing for supporting the sun gear, so that the planet support can be fixed on the supporting part by the second bearing, the planet support is prevented from radially shaking, and the running stability of the reduction gearbox is improved. Simultaneously planet carrier's the other end is equipped with the third bearing that supports the sun gear to be equipped with first bearing between the input of reducing gear box and box, promptly: the upper end and the lower end of the sun gear are respectively provided with the bearing for limiting, so that the relative shaking of the sun gear and the planetary gear is effectively reduced, the generation of large friction and vibration is avoided, and the running stability is further improved. In addition, the first bearing, the second bearing and the third bearing are matched with each other, the coaxiality of the sun gear and the planetary gear is improved, the noise generated by gear friction and vibration is reduced, and the service life of the reduction gearbox is prolonged.

In a preferred implementation of the multifunctional food processor, the sun wheel is provided with a step with a reduced inner diameter, the third bearing comprises a body part and a limiting part located inside the body part, the top surface of the limiting part protrudes out of the body part to form an axial support surface supporting the step, the inside surface of the limiting part forms a lateral support surface radially supporting the step.

Through the step portion that is equipped with the internal diameter at the sun gear and reduces, the third bearing includes this somatic part and is located the inboard spacing portion of this somatic part, and the top surface of spacing portion protrudes this somatic part in order to form the axial holding surface that supports the step portion for the sun gear is if axial float about appearing in the rotation process, and the sun gear can preferentially contact with the axial holding surface, prevents that sun gear and this somatic part from contacting the friction and producing the noise. Meanwhile, as the axial supporting surface is close to the rotating center, the linear velocity is low, so that the heat generated by the friction between the sun gear and the sun gear is relatively small, and the service life of the reduction gearbox is prolonged. And the inner side surface of the limiting part forms a lateral supporting surface for radially supporting the step part, so that the radial limitation of the third bearing on the sun gear is further improved, the radial displacement of the third bearing is avoided, and the running stability of the reduction gearbox is further improved.

In a preferred implementation mode of the multifunctional food processor, the box body is provided with a positioning groove for inserting the casing of the machine body, and a limiting structure for limiting the rotation of the casing is arranged in the positioning groove;

the box body is connected with the machine shell of the machine body through a buckle.

Through being equipped with the casing male constant head tank that supplies the organism at the box, and be equipped with the rotatory spacing limit structure to the casing in the constant head tank for the reducing gear box is connected the back with the organism cooperation, and the box can rotate spacing to the casing of organism through limit structure, guarantees that reducing gear box and organism are connected complex stability, and the box takes place relative rotation with the organism when avoiding drive structure to reducing gear box output power, leads to the condition that transmission efficiency reduces or even became invalid.

The casing through at box and organism passes through the buckle and is connected, realizes that box and organism are connected the cooperation, guarantees that both can not take place relative rotation, improves both cooperation stability.

In a preferred implementation of the multifunctional food processor, the output end of the drive structure is provided with a first inner coupling, the output end of the reduction gearbox is provided with a second inner coupling, and the inner diameter of the second inner coupling is larger than that of the first inner coupling.

The output end of the driving structure is provided with the first inner coupler, and the output end of the reduction gearbox is provided with the second inner coupler, so that the reduction gearbox is more stable and reliable to be connected with the driving structure and the reduction gearbox are connected with the second workpiece, the loss of transmission energy is reduced, and the condition of relative sliding in the transmission process is avoided. Simultaneously, the inner diameter of the second inner coupler is set to be larger than that of the first inner coupler, so that when the reduction gearbox is disassembled, the second machined part cannot be installed in the first coupler, and the situation that a user mistakenly inserts the heavy-load second machined part into the low-torque output end to cause machine damage is avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a cross-sectional view of a food processor in accordance with one embodiment of the present invention;

FIG. 2 is an exploded view of a food processor according to one embodiment of the present invention;

FIG. 3 is a cross-sectional view of a reduction gearbox in one embodiment of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is an exploded view of the reduction box in one embodiment of the present invention.

Description of reference numerals:

1-body; 2-a stirring cup; 3-a second workpiece; 4-motor, 41-motor shaft; 5-a first-stage speed reducing structure; 6-reduction gearbox, 61-positioning groove, 611-limiting structure, 62-sun gear, 621-input end of reduction gearbox, 622-step part, 623-lubricating groove, 63-planetary gear, 64-planetary support, 641-output end of reduction gearbox, 642-planet carrier lining plate, 65-fixed gear ring, 651-supporting part, 66-first bearing, 67-third bearing, 671-body part, 672-limiting part, 6721-axial supporting surface, 6722-lateral supporting surface, 68-second bearing and 69-box body; 7-a first inner coupling; 8-second inner coupling.

Detailed Description

In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.

It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.

As shown in fig. 1 and 2, the present invention provides a multifunctional food processing machine, which comprises a machine body 1, a stirring cup 2 and a workpiece disposed in the stirring cup 2, wherein a motor assembly for driving the workpiece is disposed in the machine body 1, the workpiece comprises a first workpiece (not shown in the figure) and a second workpiece 3, the motor assembly comprises a driving structure detachably connected to the first workpiece, a reduction gearbox 6 detachably connected to an output end of the driving structure is disposed, and an output end 641 of the reduction gearbox is connected to the second workpiece 3.

It should be noted that, the structure of the first processing member and the second processing member 3 is not specifically limited in the present application, and preferably, the output rotation speed of the first processing member is relatively high, so that the stirring knife and the like can be selected as the first processing member, and the high-speed cutting can be realized to prepare fruit juice, soybean milk, minced meat and the like. The output rotating speed of the second processing piece 3 is low, so the second processing piece 3 can be selected from a dough kneading knife and the like, can shred, beat eggs, peel, prepare dough and the like, is flexible to switch, has wide application range, and can meet various requirements of customers.

This application can dismantle the reducing gear box 6 of connection through the output setting at drive structure for food preparation machine can satisfy the operating mode in service behavior of different rotational speeds through the different rotational speeds of dismouting reducing gear box 6 output, promptly: under the working condition that a low rotating speed and large torque are needed, if a user needs to use the food processor for carrying out dough making, the reduction gearbox 6 can be arranged at the output end of the driving structure so as to reduce the rotating speed of the output end, improve the output torque and meet the use requirements of the user; under the working condition that high rotating speed and small torque are needed, if a user needs to use the food processor to grind meat, the reduction gearbox 6 can be detached from the output end of the driving structure. And the reduction box 6 is nimble dismouting, the user operation of being convenient for, and the reduction box 6 dismantles the back, and the reduction box 6 just no longer continues the operation, can realize the independent operation of high rotational speed drive structure, shortens the live time of reduction box 6, reduces the gear wear of reduction box 6 to the life of extension reduction box 6 avoids the noise that produces because of the gear rotation friction of reduction box 6 under the high-speed operating mode simultaneously, reduces the noise that the complete machine produced, promotes user's use and experiences. In addition, the energy consumption of the driving reduction box 6 can be reduced, the power consumption of the whole machine is reduced, and the energy utilization efficiency is improved.

It should be noted that, in the present application, the connection manner between the output end 641 of the reduction gearbox and the second workpiece 3 is not specifically limited, and the output end may be detachably connected through a lock catch structure and other components, or may be fixedly connected through a limiting member such as a screw or a bolt, and is not described herein again.

Meanwhile, it should be noted that the driving structure is not specifically limited in this application, and may be any one of the following embodiments:

example 1: in this embodiment, the driving structure is a motor shaft 41, and the motor shaft 41 is in transmission connection with the input end 621 of the reduction gearbox.

Through setting up drive structure into motor shaft 41, and motor shaft 41 is connected with the input 621 transmission of reducing gear box, when motor shaft 41 is connected with first machined part, can provide higher rotational speed, help first machined part cutting to eat the material, improve the fine and smooth degree of eating the material, promote the taste of the material is eaten to the output. Meanwhile, the parts of the whole machine can be reduced, the compactness of the whole machine is improved, the occupied space of the food processor is reduced, and the food processor is beneficial to realizing miniaturization.

Example 2: as shown in fig. 1, in this embodiment, the driving structure includes a motor shaft 41 and a primary speed reducing structure 5, an input end of the primary speed reducing structure 5 is connected to the motor shaft 41, and an output end of the primary speed reducing structure 5 is in transmission connection with an input end 621 of the speed reducing box.

Through setting up the drive structure to including motor shaft 41 and one-level reduction structure 5, and the input and the motor shaft 41 of one-level reduction structure 5 are connected, the output of one-level reduction structure 5 is connected with the input 621 transmission of reducing gear box for motor shaft 41 self rotational speed reduces the back output under the effect of first reduction structure, is used for functions such as minced steak vegetables, moreover, can not influence the taste with eating the kibbling thin of material, has promoted user's use and has experienced. Meanwhile, the output end of the primary speed reducing structure 5 is in transmission connection with the input end 621 of the speed reducing box, and then the output rotating speed of the speed reducing box 6 can be further reduced, so that the output torque of the speed reducing box 6 is further improved, and the requirements of users are met.

Further, the reduction ratio i of the one-stage reduction structure 5₁Reduction ratio i to reduction gearbox 6₂Satisfies the following conditions: i.e. i₂＝i₁±3。

By reducing the speed reduction ratio i of the one-stage reduction structure 5₁Reduction ratio i to reduction gearbox 6₂The settings are such that: i.e. i₂＝i₁3's form for the size of one-level reduction structure 5 and reducing gear box 6 is close, and the structure is more compact, is favorable to the consumer to grip, and helps reducing the size of complete machine, reduces food preparation machine's occupation space, makes the user accomodate it more easily, promotes user and uses experience.

As a preferred embodiment of the present application, as shown in fig. 2 and 3, the reduction gearbox 6 includes a box 69, and a sun gear 62, a planet gear 63, a planet carrier lining plate 642 and a planet carrier 64 which are arranged in the box 69 and are matched with each other, wherein one end of the sun gear 62 extends to form an input end 621 of the reduction gearbox, and one end of the planet carrier 64 forms an output end 641 of the reduction gearbox.

Through setting up the reducing gear box 6 to include box 69, set up sun gear 62, planetary gear 63, planet carrier welt 642 and planet carrier 64 in box 69 and mutually supporting, and the one end of sun gear 62 extends the input 621 that constitutes the reducing gear box, and the one end of planet carrier 64 constitutes the output 641 of reducing gear box for the structure of reducing gear box 6 is compacter, helps reducing the whole size, improves the stationarity of whole machine operation simultaneously, promotes user experience.

Further, as shown in fig. 3 and 5, a first bearing 66 is arranged between the input end 621 of the reduction gearbox and the box body 69, and the input end is provided with a lubricating groove 623 matched with the first bearing 66.

Through being equipped with first bearing 66 between the input 621 of reducing gear box and box 69 for first bearing 66 can play certain limiting displacement to the input 621 of reducing gear box, avoids it to produce and radially rocks, improves the input 621 rotational stability of reducing gear box, thereby guarantees the stability of complete machine operation. Simultaneously the input is equipped with the lubrication groove 623 with first bearing 66 complex for lubricating oil, lubricating grease etc. can enter into the input 621 of reducing gear box and the clearance between the first bearing 66 through lubrication groove 623, lubricate first bearing 66, reduce the wearing and tearing of first bearing 66, prolong first bearing 66's life, also reduce the friction noise between the input 621 of first bearing 66 and reducing gear box simultaneously, promote user's use and experience.

Further, as shown in fig. 3 and 5, the reduction gearbox 6 further includes a fixed gear ring 65 fixed in the casing 69 and engaged with the planetary gears 63, the fixed gear ring 65 has a support portion 651 supporting the planetary carrier 64, one end of the planetary carrier 64 constituting the output end is provided with a second bearing 68 engaged with the support portion 651, and the other end of the planetary carrier 64 is provided with a third bearing 67 supporting the sun gear 62.

One end of the planet carrier 64, which forms the output end, is provided with a second bearing 68 matched with the supporting part 651, and the other end of the planet carrier 64 is provided with a third bearing 67 supporting the sun gear 62, so that the planet carrier 64 can be fixed on the supporting part 651 through the second bearing 68, the planet carrier 64 is prevented from radially shaking, and the running stability of the reduction gearbox 6 is improved. Whilst the other end of the planet carrier 64 is provided with a third bearing 67 which supports the sun gear 62, and a first bearing 66 is provided between the input 621 of the reduction gearbox and the box 69, namely: the upper end and the lower end of the sun gear 62 are respectively provided with a bearing for limiting, so that the relative shaking of the sun gear 62 and the planetary gear 63 is effectively reduced, the generation of large friction and vibration is avoided, and the running stability is further improved. Moreover, the first bearing 66, the second bearing 68 and the third bearing 67 are mutually matched, so that the coaxiality of the sun gear 62 and the planetary gears 63 is improved, the noise generated by gear friction and vibration is reduced, and the service life of the reduction gearbox 6 is prolonged.

Further, as shown in fig. 3, the sun gear 62 is provided with a stepped portion 622 having a reduced inner diameter, the third bearing 67 includes a body portion 671 and a stopper portion 672 located inside the body portion 671, a top surface of the stopper portion 672 protrudes out of the body portion 671 to form an axial support surface 6721 supporting the stepped portion 622, and an inside surface of the stopper portion 672 forms a lateral support surface 6722 supporting the stepped portion 622 radially.

By providing the sun gear 62 with the stepped portion 622 having a reduced inner diameter, the third bearing 67 includes a body portion 671 and a stopper portion 672 located inside the body portion 671, and a top surface of the stopper portion 672 protrudes out of the body portion 671 to form an axial supporting surface 6721 for supporting the stepped portion 622, so that the sun gear 62 can preferentially contact with the axial supporting surface 6721 if the sun gear 62 moves up and down in the axial direction during rotation, and the sun gear 62 is prevented from contacting with the body portion 671 to generate noise due to friction. Meanwhile, as the axial supporting surface 6721 is close to the rotation center, the linear velocity is low, so that the heat generated by the friction between the sun gear 62 and the sun gear is relatively small, and the service life of the reduction gearbox 6 is prolonged. And the inside face of spacing portion 672 forms the side direction holding surface 6722 that radially supports step portion 622, further improves the radial spacing of third bearing 67 to sun gear 62, avoids it to produce radial displacement, further improves the operating stationarity of reducing gear box 6.

It should be noted that, in the present application, the relative relationship between the box 69 and the machine body 1 is not specifically limited, and may be any one of the following embodiments:

example 1: as shown in fig. 2 and 3, in this embodiment, the box 69 is provided with a positioning groove 61 for inserting the casing of the machine body 1, and the positioning groove 61 is provided with a limiting structure 611 for limiting the rotation of the casing.

Through being equipped with the casing male constant head tank 61 that supplies organism 1 at box 69, and be equipped with the spacing structure 611 to the casing rotation limit in the constant head tank 61, make reducing gear box 6 be connected the back with the cooperation of organism 1, box 69 can rotate spacing to organism 1's casing through spacing structure 611, guarantee that reducing gear box 6 is connected complex stability with organism 1, box 69 takes place relative rotation with organism 1 when avoiding drive structure to reducing gear box 6 output power, lead to the condition that transmission efficiency reduces or even became invalid.

Example 2: in this embodiment, the box 69 is connected to the housing of the machine body 1 by a snap fit.

The casing passing through the buckle at box 69 and organism 1 is connected, realizes that box 69 and organism 1 are connected the cooperation, guarantees that both can not take place relative rotation, improves both cooperation stability.

As a preferred embodiment of the present application, as shown in fig. 1, 2, and 3, the output end of the driving structure is provided with a first inner coupling 7, the output end 641 of the reduction gear box is provided with a second inner coupling 8, and the inner diameter of the second inner coupling 8 is larger than the inner diameter of the first inner coupling 7.

Through being equipped with first inner shaft coupling 7 at the output of drive structure, the output 641 of reducing gear box is equipped with second inner shaft coupling 8 for reducing gear box 6 is more reliable and more stable with being connected of drive structure and reducing gear box 6 and second machined part 3, reduces the loss of transmission energy, avoids the condition that relative slip appears among the transmission process. Meanwhile, the inner diameter of the second inner coupler 8 is set to be larger than that of the first inner coupler 7, so that the second workpiece 3 cannot be installed in the first coupler when the reduction gearbox 6 is detached, and the situation that a user mistakenly inserts the heavy-load second workpiece 3 into a low-torque output end to cause machine damage is avoided.

Of course, the above-mentioned coupling is not limited to the above-mentioned arrangement, it may also be that an external coupling is arranged at the output end of the driving structure, an external coupling is also arranged at the output end 641 of the reduction gearbox, and the outer diameter of the external coupling at the output end of the driving structure is larger than the outer diameter of the external coupling at the output end 641 of the reduction gearbox; it may also be that an external coupling is provided at the output end of the driving structure, and an internal coupling is also provided at the output end 641 of the reduction gearbox; it may also be that an inner coupling is provided at the output end of the driving structure and an outer coupling is also provided at the output end 641 of the reduction gearbox.

The technical solutions protected by the present invention are not limited to the above embodiments, and it should be noted that the combination of the technical solution of any one embodiment and the technical solution of one or more other embodiments is within the protection scope of the present invention. Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.

Claims

1. The utility model provides a multifunctional food processor, includes organism, stirring cup and locates the machined part in the stirring cup, be equipped with in the organism and be used for the drive the motor element of machined part, the machined part includes first machined part and second machined part, motor element is including the drive structure that can dismantle the connection with first machined part, its characterized in that, the output of drive structure is equipped with the reducing gear box that can dismantle the connection, the output and the second machined part of reducing gear box are connected.

2. A multifunctional food processor as defined in claim 1, wherein said driving structure is a motor shaft, said motor shaft being in driving connection with the input end of said reduction gearbox.

3. A multifunctional food processor as defined in claim 1, wherein said driving structure comprises a motor shaft and a primary speed reducing structure, an input end of said primary speed reducing structure is connected to said motor shaft, and an output end of said primary speed reducing structure is drivingly connected to an input end of said speed reducing box.

4. A multi-function food processor as claimed in claim 3, wherein said one-stage reduction structure has a reduction ratio i₁Reduction ratio i with the reduction gearbox₂Satisfies the following conditions: i.e. i₂＝i ₁±3。

5. A multifunctional food processor as claimed in any one of claims 1 to 4, wherein the reduction gearbox comprises a housing, a sun gear, a planet gear and a planet carrier disposed in the housing and cooperating with each other, one end of the sun gear extending to form the input end of the reduction gearbox and one end of the planet carrier forming the output end of the reduction gearbox.

6. A multifunctional food processor as claimed in claim 5, wherein a first bearing is provided between the input end of the reduction gearbox and the housing, the input end being provided with a lubrication groove cooperating with the first bearing.

7. A multifunctional food processor as defined in claim 6, wherein said reduction box further comprises a fixed gear ring fixed in said casing and engaged with said planetary gears, said fixed gear ring having a support portion supporting said planetary carrier, one end of said planetary carrier constituting said output end being provided with a second bearing engaged with said support portion, the other end of said planetary carrier being provided with a third bearing supporting said sun gear.

8. A multi-function food processor as claimed in claim 7, wherein the sun gear is provided with a stepped portion of reduced internal diameter, the third bearing comprising a body portion and a retainer portion located inside the body portion, a top surface of the retainer portion projecting from the body portion to form an axial support surface for supporting the stepped portion, an inside surface of the retainer portion forming a lateral support surface for radially supporting the stepped portion.

9. The multifunctional food processor as claimed in claim 5, wherein the housing has a positioning groove for inserting the casing of the machine body, and a limiting structure for limiting the rotation of the casing is disposed in the positioning groove;

the box body is connected with the shell of the machine body through a buckle.

10. A multi-function food processor as claimed in claim 1, wherein the output of the drive structure is provided with a first internal coupling, and the output of the reduction gearbox is provided with a second internal coupling, the second internal coupling having an internal diameter greater than the internal diameter of the first internal coupling.