CN116136255A - Gearbox for food processor and food processor - Google Patents

Abstract

The invention provides a gearbox for a food processor, which comprises a first speed changing mechanism, a second speed changing mechanism and a clutch output shaft, wherein the first speed changing mechanism and the second speed changing mechanism are fixedly arranged, the clutch output shaft is in transmission connection with one of the first speed changing mechanism and the second speed changing mechanism, the clutch output shaft is in transmission connection with the first speed changing mechanism when moving to a first position so as to drive a processing part of the food processor to output a first rotating speed, and the clutch output shaft is in transmission connection with the second speed changing mechanism when moving to a second position so as to drive the processing part of the food processor to output a second rotating speed. And provide one kind and have the food processor of gearbox, easily realize the change of processing part and the switching of rotational speed, carry out the rotational speed through mechanical position moreover and switch the reliability good, separation and reunion output shaft output rotational speed scope is wide and the moment of torsion is big, avoids processing resistance to lead to the stall phenomenon greatly, promotes the reliability and the variety of multi-functional cooking greatly, and occupation space is little, with low costs.

Description

Gearbox for food processor and food processor

Technical Field

The invention belongs to the field of kitchen appliances, and particularly relates to a gearbox for a food processor and the food processor.

Background

The existing food processor is required to be provided with a plurality of sets of multifunctional cup components, different cup components are replaced to be matched with a host, an instruction is input through an operation interface, and a control module controls a motor to output corresponding rotating speed so as to realize different cooking functions such as functions of mincing meat, cutting vegetables, mixing dough and the like. The multifunctional cup body assembly fittings of various complete sets are numerous, the installation steps are complicated, the occupied space is large, the storage of users is affected, and the problem of high cost exists. In addition, the existing food processor can output various rotating speeds, but most of the speed regulating range is adjusted according to voltage, so that the output torque is greatly reduced, materials with high processing hardness and resistance are easy to block and rotate, the processing efficiency and the processing effect of the multifunctional cup body assembly are directly affected, the material self-adaptability is poor, and the processing effect is not ideal. When carrying out multi-functional cooking, still need the user to input corresponding function rotational speed, the procedure carries out rotational speed adjustment and program execution according to user input instruction, program control is loaded down with trivial details, and the reliability reduces, very influences user experience.

The invention patent application with the application number of 201911095314.3 discloses a high-low speed double-output motor, an inner coupler is in transmission connection with an output shaft of the motor and outputs high rotation speed, an outer coupler is in transmission connection with a speed change mechanism and outputs low rotation speed, an upper planetary gear set and the outer coupler in the speed change mechanism are movably arranged to output the high rotation speed and the low rotation speed in the form of an inner coupler and an outer coupler, the motor has two output rotation speeds, and the motor can be respectively matched and transmitted with a first stirring cup with a first knife set and a second stirring cup with a second knife set, so that high-speed cooking and low-speed cooking are realized. Although the structure realizes high and low rotation speed output through the reduction gearbox, the cup body components are required to be matched, the multifunctional accessory is inconvenient to assemble, the storage occupied space is large, the speed change mechanism can reduce noise only during high-speed output, and the speed change mechanism which is movably arranged still can bring noise during low-speed operation.

The utility model patent with the application number of 201921569084.5, named as a cutter assembly and a food processor with the cutter assembly, discloses a cutter assembly which is connected with cutters in a detachable way through an output shaft, and is convenient for replacing different cutters; further through setting up first axle sleeve, expanded various connected mode, more be applicable to the installation of different cutters. The multifunctional cooking can be realized by replacing the cutter component to realize the processing of a cup body. Under the condition, even if the cutter is replaced, different cutters are replaced according to the uniform output rotating speed, and different cooking functions of high speed and low speed cannot be expanded. The patent also discloses that the motor can be a variable speed motor, also can be a constant speed motor and realize speed change through a gearbox so as to output different rotating speeds, and the arrangement can increase the cost of the motor and has limited output torque, so that the expansion of the functions of low speed and large torque such as dough kneading, juice squeezing and the like can not be realized. In addition, when the user assembles the multifunctional accessory, the problem that the actually installed cutter is not matched with the actually selected cooking function, so that the processing is failed easily occurs.

Disclosure of Invention

The utility model aims to provide a gearbox for a food processor, which has few accessories, small occupied space and simple operation, has functions of self-identification and is multipurpose, and a food processor.

In order to solve the technical problems, the invention provides a gearbox for a food processor, which comprises a first speed changing mechanism, a second speed changing mechanism and a clutch output shaft, wherein the first speed changing mechanism and the second speed changing mechanism are fixedly arranged, the clutch output shaft is in transmission connection with one of the first speed changing mechanism and the second speed changing mechanism, the clutch output shaft is in transmission connection with the first speed changing mechanism when moving to a first position so as to drive a processing part of the food processor to output a first rotating speed, and the clutch output shaft is in transmission connection with the second speed changing mechanism when moving to a second position so as to drive the processing part of the food processor to output a second rotating speed.

Further, the clutch output shaft comprises a first transmission part and a second transmission part, when the clutch output shaft moves to a first position, the clutch output shaft is in transmission connection with the first speed change mechanism through the first transmission part and outputs a first rotating speed, and when the clutch output shaft moves to a second position, the clutch output shaft is connected with the second speed change mechanism through the second transmission part and outputs a second rotating speed.

Further, when the clutch output shaft moves to the third position, the first transmission part and the second transmission part are respectively separated from the first speed change mechanism and the second speed change mechanism.

Further, the processing component is detachably connected with the clutch output shaft.

Further, during processing of the food processor, the processing component axially limits the clutch output shaft to maintain the clutch output shaft in the first position or the second position.

Further, the first speed change mechanism comprises a first planetary output shaft, a first planetary gear and a first planetary carrier, the second speed change mechanism comprises a second planetary output shaft, a second planetary gear and a second planetary carrier, and the first speed change mechanism and the second speed change mechanism are in transmission connection.

Further, the first transmission part is provided with first transmission teeth, the first planetary output shaft is provided with first meshing teeth matched with the first transmission teeth, the second planetary output shaft is provided with second transmission teeth, and the second transmission part is provided with second meshing teeth matched with the second transmission teeth.

Further, the first transmission teeth and the first meshing teeth are meshed along the axial direction or along the radial direction; and/or the second transmission teeth and the second meshing teeth are meshed in the radial direction or the axial direction.

Further, the gearbox further comprises an elastic reset piece for resetting the clutch output shaft, and the elastic reset piece can enable the clutch output shaft to be reset to a first position or a second position in a natural state.

Further, the food processor comprises a main machine, a cup body and a processing component driven by a motor, wherein the cup body or the main machine is also provided with the gearbox, and the processing component is installed in place and outputs a first rotating speed or a second rotating speed.

The beneficial effects of the invention are as follows:

1. the clutch output shaft is connected with the first speed change mechanism and the second speed change mechanism in a transmission mode, so that the clutch output shaft with a first position and a second position is connected with a processing part in a transmission mode, the clutch output shaft outputs a first rotating speed for adapting multifunctional cooking when in the first position, the clutch output shaft outputs a second rotating speed for adapting to another speed requirement when in the second position, the replacement of the processing part and the switching of the rotating speed can be achieved under the condition that the first speed change mechanism and the second speed change mechanism do not have axial displacement, the reliability of rotating speed switching is good through a mechanical position, the output rotating speed range of the clutch output shaft is wide and torque is large, the phenomenon of locked rotor caused by machining resistance is avoided, the reliability and the diversity of the multifunctional cooking are greatly improved, the occupied space is small, and the cost is low. And the arrangement makes the gearbox itself operate stably with low noise when the first rotating speed or the second rotating speed is output, and the user experience is good. And the user only needs to place different processing parts in same processing cup, can trigger separation and reunion output shaft and move to relevant position and output with the rotational speed that processing parts corresponds, can easily realize the automatic switch-over of different rotational speeds through separation and reunion output shaft, need not the manual selection of user, the simple operation, user experience is good.

2. The clutch output shaft comprises a first transmission part and a second transmission part, the clutch output shaft is respectively used for being in transmission connection with a first speed change mechanism when outputting a first rotating speed, the clutch output shaft is in transmission connection with a second speed change mechanism when outputting a second rotating speed, the transmission is more stable and reliable, resonance noise is not easy to generate, clamping teeth are not easy to clamp, the clutch output shaft is completely used for mechanically switching the rotating speed, torque is large, rotating speed control is accurate, a processing part and the clutch output shaft are simpler to install and limit, the processing part can be detached, and different processing parts can be replaced according to the multifunctional processing type, and the clutch output shaft is simple in structure and convenient to operate.

3. During machining, the clutch output shaft is axially limited by the machining component and is kept at a first position to stably output a first rotating speed, or kept at a second position to stably output a second rotating speed. The special processing component can be limited at different positions according to different processing components, so that the special processing component can realize special rotation speed output to process special functions, a user is not required to select, only the needed processing component is required to be placed, the processing component can be matched with the clutch output shaft at the specific position by itself after being assembled in place to output the special rotation speed, no human intervention or program intervention is required, the multifunctional control program is simplified, the man-machine interaction is optimized, the rotation speed is selected or switched mechanically, and the reliability of the whole machine is greatly improved.

4. The first speed change mechanism is in transmission connection with the second speed change mechanism so as to carry out primary speed change and secondary speed change on the initial rotating speed of the motor, the clutch output shaft is limited at a first position or a second position after the processing part is installed in place, so that the rotating speed is determined after the position of the clutch output shaft is determined, the processing function and the attribute are determined accordingly, a user does not need to manually identify and rotate the speed, and the operation is accurate and rapid. And the situation that the placed machining parts are not matched with the actually operated machining program or the machining rotating speed due to misoperation of a user is completely eradicated.

5. When the transmission teeth and the meshing teeth are meshed along the radial direction, the height of the gearbox can be reduced to the greatest extent, and the radial size of the gearbox can be reduced when the transmission teeth and the meshing teeth are axially meshed, so that the size of a multifunctional cup body of the food processor is reduced, the output rotation speed of the clutch output shaft is switched smoothly, and meanwhile, the accommodating space for installing the gearbox is designed in a diversified mode according to the design modeling requirement. The clutch output shaft can be reset to a specific first position or a specific second position in a natural state through the reset piece so as to change the position state under the condition of stress. The food processor with the gearbox can realize wide-rotation-speed large-torque and diversified multifunctional cooking, such as meat mincing, dough kneading, low-speed extrusion juicing and the like, so that one cup of multifunctional and rotation-speed mechanical self-identification is truly realized, misoperation of a user is avoided, and product performance and user experience are improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of a transmission according to a first embodiment of the present invention.

FIG. 2 is a schematic view of a cup assembly according to an embodiment of the invention

Fig. 3 is a schematic diagram of the whole structure of a food processor according to the first embodiment of the invention.

Fig. 4 is a schematic view of a clutch output shaft in a first position according to an embodiment of the invention.

Fig. 5 is a schematic diagram of a clutch output shaft in a third position according to a first embodiment of the invention.

Fig. 6 is a schematic diagram of a clutch output shaft in a second position according to a first embodiment of the invention.

Fig. 7 is a schematic diagram of a minced steak function according to a first embodiment of the present invention.

Fig. 8 is a schematic diagram of a dough kneading function according to an embodiment of the present invention.

Fig. 9 is a schematic diagram of the whole structure of another food processor according to the first embodiment of the present invention.

Fig. 10 is a schematic diagram of a transmission structure in accordance with a second embodiment of the present invention.

Fig. 11 is a schematic diagram of a second center gear shaft according to a second embodiment of the invention.

Fig. 12 is a schematic view of a clutch output shaft according to a second embodiment of the present invention.

Fig. 13 is a schematic structural diagram of an operation panel according to a third embodiment of the present invention.

Fig. 14 is a schematic view of a meat grinder according to a fourth embodiment of the present invention.

Fig. 15 is a schematic diagram of the overall structure of a food processor in a fifth embodiment of the invention.

The names of the components marked in the figure are as follows: 100. a gearbox; 101. a first speed change mechanism; 1011. a first planetary output shaft 1011; 1012. a first planetary gear; 1013. a first planet carrier; 1014. a first planet carrier cover plate; 1015. a first ring gear; 1016. a first center tooth shaft; 102. a second speed change mechanism; 1021. a second planetary output shaft; 1022. a second planetary gear; 1023. a second planet carrier; 1024. a second planet carrier cover plate; 1025. a second ring gear; 1026. a second center tooth shaft; 103. a clutch output shaft; 1031. a spline connector; 104. a first transmission part; 1041. a first drive tooth; 105. a second transmission part; 1051. a second drive tooth; 106. a first engagement tooth; 107. a second meshing tooth; 108. an upper cover; 1081. a mounting column; 109. a lower cover; 110. a shaft seal; 111. a bearing; 112. an elastic reset piece; 1121. a spring; 1122. a connecting shaft; 113. a connector; 1131. a claw; 114. an output shaft; 115. a sun gear;

200. A cup assembly; 201. a cup body; 2011. a mounting cavity; 202. a cup cover; 203. a limit part; 2031. a limiting hole; 204. a seal ring;

300. a food processor; 301. a motor; 302. a host; 303. a processing chamber; 304. an operation panel; 305. a multifunctional key;

400. machining the component; 401. abutting the shaft; 402. a positioning structure; 403. a transmission hole;

500. a meat mincing knife; 501. a cutter shaft body; 502. a blade; 503. a positioning ring;

600. dough kneading rod; 601. dough kneading rod body; 602. a stem portion; 603. positioning the step.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

As shown in fig. 1 to 9, the present embodiment provides a gearbox, a cup assembly having the gearbox, and a food processor having the cup assembly.

As shown in fig. 1, a gearbox 100 for a food processor, the food processor includes a processing component 400 driven by a motor, where the gearbox 100 includes a first speed change mechanism 101 and a second speed change mechanism 102 that are fixedly arranged, and a clutch output shaft 103 that is movably arranged, and is in transmission connection with one of the first speed change mechanism 101 and the second speed change mechanism 102, and when the clutch output shaft moves to a first position, is in transmission connection with the first speed change mechanism 101 to drive the processing component to output a first rotation speed, and when the clutch output shaft moves to a second position, is in transmission connection with the second speed change mechanism 102 to drive the processing component to output a second rotation speed. The first speed change mechanism 101 and the second speed change mechanism 102 are both fixedly arranged, the clutch output shaft outputs a first rotating speed when in a first position and is used for adapting to multifunctional cooking, the clutch output shaft outputs a second rotating speed when in a second position and is used for adapting to multifunctional cooking with another speed requirement, replacement of processing parts and switching of rotating speeds can be achieved, in addition, the mechanical position is used for switching of rotating speeds, reliability is good, the output rotating speed range of the clutch output shaft is wide, torque is large, and reliability and diversity of the multifunctional cooking are greatly improved. This arrangement allows the transmission 100 to operate at the first rotational speed or the second rotational speed with a low noise and a good user experience.

The clutch output shaft 103 includes a first transmission portion and a second transmission portion, when the clutch output shaft moves to a first position, the clutch output shaft is in transmission connection with the first speed change mechanism 101 through the first transmission portion and outputs a first rotation speed, and when the clutch output shaft moves to a second position, the clutch output shaft is connected with the second speed change mechanism 102 through the second transmission portion and outputs a second rotation speed. The clutch output shaft is provided with a plurality of transmission parts, the transmission parts are connected with different speed changing mechanisms in a transmission way, the switching and the cooperation between the transmission parts and the speed changing mechanisms are guaranteed to be stable and reliable, the dislocation is not easy to occur, the resonance noise is not easy to occur, the teeth are not easy to latch, the rotation speed of the clutch output shaft is switched in a mechanical way completely, the torque is large, the rotation speed is controlled accurately, and the installation and the limiting of the processing part and the clutch output shaft are simpler. The processing component is detachably connected with the clutch output shaft, the replacement of different processing components is carried out according to the multifunctional processing type, the structure is simple and the operation is convenient, especially, the clutch output shaft is used as an output source with different rotating speeds, the clutch output shaft can be connected with a plurality of different processing components, one or more processing components can output constant first rotating speed after being assembled with the clutch output shaft, or a plurality of processing components can respectively output different rotating speeds after being assembled with the clutch output shaft, each processing component or each group of processing components outputs different rotating speeds for processing with different functions, or the processing with fine classification is agreed to the functions, and the processing is not like cutting vegetables fast or cutting vegetables slowly, and the processing of meat and mud for making dumpling stuffing and the processing of meat and grains for making steamed stuffed bun stuffing.

In this embodiment, the clutch output shaft 103 further includes a third position, when the clutch output shaft moves to the third position, the first transmission portion and the second transmission portion are separated from the first speed changing mechanism 101 and the second speed changing mechanism 102, at this time, the clutch output shaft does not output a non-zero rotation speed, the third position can be used as a rotation speed gear shifting position, the clutch output shaft is separated from the first position and enters the third position, and then moves from the third position to the second position, so as to realize reliable mechanical gear shifting, and avoid abnormal noise and abrasion of the transmission portion in the process of switching from the first position to the second position. The third position may be provided with one or more, i.e. a plurality of different third positions for switching between positions corresponding to two or more non-zero rotational speeds, respectively.

During processing of the food processor, the processing component axially positions the clutch output shaft 103 to maintain the clutch output shaft in a first position to output a first rotational speed steadily, or in a second position to output a second rotational speed steadily. In this embodiment, different processing components 400 limit different positions of the clutch output shaft, or limit the position of one specific rotation speed, so that the specific processing components realize specific rotation speed output to perform processing with specific functions, thus setting does not need to be selected by a user, only the required processing components need to be placed, the processing components can be matched with the clutch output shaft to a specific position by themselves after being assembled in place to output specific rotation speeds, no human intervention or program intervention is needed, a multifunctional control program is simplified, man-machine interaction is optimized, selection or switching of rotation speeds is performed mechanically, and the reliability of the whole machine is greatly improved. In addition, the situation that the placed machining parts are not matched with the actually operated machining programs or machining rotating speeds due to misoperation of the user is completely eradicated, the problem that the motor is damaged or failed due to misoperation of the user is avoided, user experience is improved, the operation is simple, and the use requirements of user groups such as young office workers, baby, chefs and the old are met.

Specifically, as shown in fig. 1 and fig. 4 to 6, the first transmission 101 includes a first planetary output shaft, a first planetary gear 1012, and a first planetary carrier 1013, the second transmission 102 includes a second planetary output shaft 1021, a second planetary output shaft 1022, and a second planetary carrier 1023, and the first transmission 101 and the second transmission 102 are in driving connection. The first transmission part is provided with a first transmission tooth 1041, the first planetary output shaft is provided with a first meshing tooth 106 matched with the first transmission tooth 1041, the second transmission part is provided with a second transmission tooth 1051, and the second planetary output shaft 1021 is provided with a second meshing tooth 107 matched with the second transmission tooth 1051. The first drive teeth 1041 and the first engagement teeth 106 are axially or radially engaged; and/or the second driving teeth 1051 and the second engagement teeth 107 are engaged radially or axially. In this embodiment, as shown in fig. 4, the clutch output shaft moves to the first position, and the first driving teeth 1041 and the first engaging teeth 106 are engaged along the radial direction, so that the clutch output shaft outputs a first rotational speed, that is, a high rotational speed, for driving connection with a processing component having functions of mincing meat, breaking eggs, cutting vegetables, breaking vegetables, and the like. As shown in fig. 5, the clutch output shaft moves to the third position, the first transmission tooth 1041 and the second transmission tooth 1051 are respectively disengaged from the first engagement tooth 106 and the second engagement tooth 107, so that the clutch output shaft is in a neutral gear and has zero rotation speed, as shown in fig. 6, the second transmission tooth 1051 and the second engagement tooth 107 are engaged in the radial direction, so that the clutch output shaft outputs a second rotation speed, namely a low gear, for transmission connection with a processing component with functions of juicing, dough kneading, ice shaving and the like. The distance between the upper end surface of the first transmission gear 1041 and the lower end surface of the second transmission gear 1051 is smaller than the distance between the lower end surface of the first engagement gear 106 and the upper end surface of the second engagement gear 107, so that the clutch output shaft remains independent in the switching process of the first rotation speed and the second rotation speed, and the jamming is avoided. Therefore, the axial displacement of the clutch output shaft from the first position to the second position is reduced, and the position switching is faster and more accurate.

Preferably, the gear box includes an upper cover 108 and a lower cover 109, the upper cover 108 partially protrudes upwards to form a mounting post 1081, the mounting post 1081 has a through hole for the clutch output shaft to pass through, a shaft seal 110 and a bearing 111 are provided in the mounting post 1081, a spline connector 1031 is provided at the upper end of the clutch output shaft 103 for driving cooperation with a processing component, the first speed change mechanism is located below the second speed change mechanism, the first speed change mechanism specifically includes a first planet carrier cover 1014, a first planet gear 1012, a first planet carrier 1013 and a first planet output shaft from bottom to top, the second speed change mechanism includes a second planet carrier cover 1024, a second planet output shaft 1022, a second planet carrier 1023 and a second planet output shaft 1021, wherein the planet output shaft and the planet carrier may be provided as an integral type or a split type, in this embodiment, the second planet output shaft 1021 is integral with the second planet carrier 1023, the first planet output shaft and the first planet carrier 1013 are made by a second integral type, the first planet output shaft is a metal component, and when the clutch output shaft is located at the first position, the first output shaft is engaged with the first gear 1041 on the first gear teeth of the first transmission gear 106. The first gear shifting mechanism further includes a first ring gear 1015, and the second gear shifting mechanism further includes a second ring gear 1025, in this embodiment, the first ring gear 1015 is integrally formed with the lower cover 109. It will be appreciated that the second ring gear may also be integrally formed with the upper cover 108.

The gearbox 100 further comprises an elastic reset element 112 for resetting the clutch output shaft 103, wherein the elastic reset element can enable the clutch output shaft to be reset to a first position or a second position in a natural state, and the rotational speed matched with the properties of the processing part is output under the condition that the processing part is installed in place. In this embodiment, the elastic restoring member is specifically a spring 1121, and the gearbox 100 includes a first limiting structure and a second limiting structure, so as to limit the clutch output shaft when moving to the first position and the second position respectively. The gearbox 100 includes a first speed change mechanism 101 and a second speed change mechanism 102, the clutch output shaft is in transmission connection with the first speed change mechanism 101 and the second speed change mechanism 102, the first speed change mechanism 101 includes a first planetary output shaft, a first planetary gear 1012 and a first planetary support 1013, the second speed change mechanism 102 includes a second planetary output shaft 1021, a second planetary output shaft 1022 and a second planetary support 1023, the limiting structure is disposed in the gearbox, specifically, the first planetary output shaft is provided with the first limiting structure, and/or the second limiting structure includes a bearing disposed in the gearbox 100. Specifically, the first limit structure comprises a limit end face, the clutch output shaft comprises a first transmission part and a second transmission part, when the clutch output shaft moves to a first position, the first transmission part is in butt joint with the limit end face to limit, and when the clutch output shaft moves to a second position, the second transmission part is in butt joint with the bearing to limit.

As shown in fig. 2, the present embodiment further provides a cup assembly 200 for a food processor with the gearbox 100, which includes a cup 201, a cup cover 202, a processing component 400 disposed in the cup, and further includes the gearbox 100, where the gearbox 100 includes a first speed changing mechanism 101, a second speed changing mechanism 102, and a clutch output shaft 103 movably disposed, in this embodiment, a part of the clutch output shaft extends into the cup 201, and when moving to a first position, the clutch output shaft is in driving connection with the first speed changing mechanism 101 to drive the processing component to output a first rotational speed, and when moving to a second position, the clutch output shaft is in driving connection with the second speed changing mechanism 102 to drive the processing component to output a second rotational speed. The processing component is detachably connected with the clutch output shaft, and the cup cover 202 is installed in place and enables the clutch output shaft to be kept in the first position or the second position. The cup cover 202 is provided with a limiting part 203 for limiting a processing part, and the processing part is respectively abutted with the limiting part and the clutch output shaft. The limiting part is a limiting shaft, a limiting hole or a limiting step. In this embodiment, the limiting portion includes a limiting hole 2031, specifically, a limiting post is disposed at the bottom center of the cup cover 202, the limiting hole 2031 is disposed in the limiting post, one end of the processing component is disposed with an abutting shaft 401 that is in abutting engagement with the limiting hole, and the other end of the processing component is disposed with a positioning structure 402, and the processing component is mounted in place and abuts against the clutch output shaft through the positioning structure.

As shown in fig. 3, the present embodiment further provides a food processor 300 with the gearbox 100, including a main machine 302, the cup assembly with the gearbox 100, and a processing component driven by a motor 301, where in this embodiment, the first rotational speed is greater than the second rotational speed, the first rotational speed is a speed at which the motor initial power is output to the clutch output shaft after passing through the first speed change mechanism 101 of the gearbox 100 when the clutch output shaft 103 is located at the first position, the second rotational speed is a speed at which the motor initial power is output to the clutch output shaft after passing through the first speed change mechanism 101 and the second speed change mechanism 102 of the gearbox 100 respectively, and the first rotational speed is used for rapid processing such as eggbeater, minced meat, ice crushing, etc., and the second rotational speed is used for slow processing such as dough kneading, juice squeezing, ice cream, etc. Preferably, the food processor further comprises a water supply device and a valve body assembly to realize automatic water feeding, automatic slurry discharging and automatic cleaning.

The cup assembly 200 includes a cup 201 and a plurality of replaceable processing components in driving connection with the clutch output shaft 103, the processing components having a positioning structure that mates with the clutch output shaft and axially positions the clutch shaft, the positioning structure of at least one processing component being different from the positioning structure of the other processing components. Specifically, the processing part is provided with a transmission hole 403 which is sleeved with the clutch output shaft and is in transmission fit with the clutch output shaft, and the positioning structure comprises the inner wall of the transmission hole, or the positioning structure comprises a positioning ring or a bulge or a groove or a step which are arranged in the transmission hole. In this embodiment, different processing parts are equipped with different location structure, different location structure for the difference in height of cup diapire to spacing is carried out to the separation and reunion output shaft. Specifically, the processing part includes first processing part and second processing part, and first processing part bottom is equipped with first location structure, and second processing part bottom is equipped with second location structure, first location structure is used for defining clutch output shaft in first position in order to export first rotational speed, second location structure is used for defining clutch output shaft in second position in order to export the second rotational speed.

Preferably, the bottom center of the cup body protrudes upwards to form a mounting column 1081, a through hole for the clutch output shaft 103 to movably pass through is formed in the mounting column 1081, a connector is arranged at the upper end of the clutch output shaft, the connector stretches into the transmission hole, the connector is a spline connector 1031, and a spline hole matched with the spline connector is formed in the transmission hole. The first processing component is limited by a first positioning structure with the clutch output shaft or mounting post 1081, and the second processing component is limited by a second positioning structure with the clutch output shaft or mounting post 1081. In this embodiment, the positioning structure is limited by the clutch output shaft or the mounting post 1081, and the clutch output shaft is axially limited to the first position or the second position by the positioning structure and is responsible for outputting the rotational speed corresponding to the corresponding position. In this embodiment, the mounting post 1081 is a part of the gearbox 100, and the upper end of the upper cover 108 partially protrudes upward from the bottom of the cup body and forms the mounting post 1081.

In this embodiment, a plurality of first processing components are provided, and each first processing component is provided with a first positioning structure; and/or the second processing parts are provided with a plurality of second positioning structures, and each second processing part is provided with a second positioning structure. Specifically, in this embodiment, the first processing component includes a meat grinder and an eggbeater, and the second processing component includes a dough kneading bar and a screw extrusion juice extractor assembly. The gearbox 100 comprises an upper cover 108 and a lower cover 109, the cup body comprises a mounting cavity 2011 for mounting the gearbox, an opening is formed at the lower end of the mounting cavity, and the cup body comprises a bottom wall covered at the opening, or the lower cover 109 forms the bottom wall of the cup body. In this embodiment, the cup includes a mounting cavity for mounting the gearbox 100, the lower cover 109 forms part of the bottom wall of the cup, and the upper cover 108 forms part of the inner bottom surface of the cup and the outer surface of the mounting post 1081. The gearbox 100 and the cup body are connected in a simple structure, and the height of the cup body is greatly reduced. The clutch output shaft 103 movably penetrates through the upper cover 108 and is in sealing connection with the upper cover 108. The installation cavity 2011 comprises an upper opening and a lower opening, the upper opening is provided with a sealing ring 204, and the lower opening is provided with a damping ring.

Specifically, in this embodiment, the gearbox 100 is disposed at the bottom of the cup, the bottom of the cup is provided with an output shaft 114 extending from the bottom of the gearbox 100 and a connector 113 disposed at the lower end of the output shaft, the upper end of the output shaft is provided with a bearing 111 and a sun gear 115, the initial power of the motor is transmitted to the speed change mechanism, one end of the connector is connected with the first speed change mechanism 101 in the gearbox 100, and the other end of the connector is in transmission connection with the output shaft of the motor. In this embodiment, the food processor is a multifunctional wall breaking machine without washing with hands, the main machine is provided with a processing cavity 303 with an opening at the upper end, a crushing cutter driven by a motor is arranged in the processing cavity, a cup body with a gearbox 100 covers the opening of the processing cavity, a processing part is connected with the crushing cutter in a transmission way through the connector, and motor power is transmitted to the processing part through the crushing cutter, the connector and the gearbox, so that multifunctional cooking is realized. The connector comprises a connecting shaft hole which is arranged on the gearbox 100 and is in transmission connection with the clutch output shaft, and a bulge matched with the connecting shaft hole is arranged on the crushing cutter; alternatively, the connector 113 includes a claw 1131 disposed on the gearbox 100 and in driving connection with the clutch output shaft, where the claw is in clamping connection with the crushing cutter. In this embodiment, the connector includes the jack catch, the jack catch includes body and circumference setting in the claw on the body. The crushing cutter is provided with a clamping part matched with the claw part in a clamping way, and the clamping part is preferably arranged as a clamping groove, so that the transmission is stable, the transmission noise is low and the service life is long.

Specifically, as shown in fig. 7, the first processing component includes a meat mincing knife 500, the meat mincing knife 500 includes a knife shaft body 501 and a detachable blade 502, a transmission hole 403 is provided at the bottom of the knife shaft body, the positioning structure 402 includes a positioning ring 503 disposed in the transmission hole, and the positioning ring 503 abuts against a spline connector at the upper end of the clutch output shaft and axially limits the clutch output shaft. It can be understood that the structure of the meat mincing knife can be optimized, a gap and an elastic column are arranged between the top end of the clutch output shaft and the top wall of the transmission hole, the elastic column can carry out dynamic self-adaptive adjustment on the meat mincing knife, the mounting position is prevented from being blocked, and the axial positioning of the first position holding of the clutch output shaft by the positioning structure is not influenced. The first processing part further comprises an eggbeater, and preferably, the eggbeater comprises a cutter shaft body shared by the meat mincing knives and an eggbeater part which is installed on the cutter shaft body in a replaced mode with the meat mincing knives, the eggbeater part comprises a through hole which is communicated with and sleeved on the cutter shaft body, and the positioning structure comprises a positioning ring arranged on the cutter shaft body.

As shown in fig. 8, the second processing component includes a dough mixing rod 600, the dough mixing rod 600 includes a dough mixing rod body 601 and a rod portion 602, and a transmission hole 403 is formed in the bottom of the dough mixing rod body, in this embodiment, due to the spring force, the clutch output shaft is located at the second position in the natural state and outputs the second rotation speed, so the second processing component may not be provided with a positioning structure for positioning the clutch output shaft 103, or it may be understood that the second processing component is provided with a second positioning structure, and the second positioning structure is not stressed when contacting with the clutch output shaft or is in gap with the clutch output shaft, so long as the clutch output shaft and the second processing component are guaranteed to be capable of transmitting torque in a transmission fit, and the second positioning structure in this embodiment further includes a positioning step 603 for performing auxiliary positioning with an installation post 1081 of an upper cover 108 of the gearbox. The positioning step abuts against the mounting post 1081 to prevent the dough mixing rod from shaking radially, the cup cover covers and axially presses the dough mixing rod through the limiting hole, so that the positioning step on the dough mixing rod keeps abutting against the mounting post 1081 to limit the dough mixing rod, and the clutch output shaft can reliably and constantly output the second rotating speed in the second processing part. The second processing component further includes a squeeze juice assembly that is replaceable with the dough stick.

It can be appreciated that, as shown in fig. 9, this embodiment also provides a scheme of applying the gearbox 100 to a common wall breaking machine, which includes a main machine, the main machine is provided with a high-speed processing cavity assembly, the processing cavity assembly includes a processing cavity body and a crushing cutter, the processing cavity assembly is detachably arranged relative to the main machine, and further includes a cup body assembly having the gearbox 100, and the cup body assembly can be replaced with the processing cavity assembly. The cup body assembly comprises a cup body 201 and a detachable processing part, the gearbox 100 is arranged on the cup body, the processing part is in transmission connection with the gearbox 100 through a clutch output shaft, an upper connector connected with a motor is arranged on the host, and a lower connector connected with the upper connector is arranged at the bottom of the cup body. When the cup assembly is disposed on the main machine, motor power is transmitted to the processing parts through the lower connector, the upper connector and the gearbox 100 having the clutch output shaft. The gearbox 100 comprises a first speed change mechanism 101 and a second speed change mechanism 102 which are fixedly arranged, and a clutch output shaft which is movably arranged, wherein the clutch output shaft is in transmission connection with one of the first speed change mechanism 101 and the second speed change mechanism 102, the clutch output shaft is in transmission connection with the first speed change mechanism 101 when moving to a first position so as to drive the processing part to output a first rotating speed, and the clutch output shaft is in transmission connection with the second speed change mechanism 102 when moving to a second position so as to drive the processing part to output a second rotating speed.

It can be appreciated that the first planetary output shaft is provided with a first limiting structure, and the second limiting structure is disposed in the upper cover 108 of the gearbox, specifically, a limiting step of the upper cover 108. Alternatively, the first spacing structure is disposed on the first planet carrier 1013 and the second spacing structure comprises a bearing disposed within the gearbox 100.

It can be understood that the position limitation of the clutch output shaft can be axially limited according to the installation of the processing part, and the indirect limitation of a third part such as a cup cover is not needed. Specifically, a first clamping portion may be provided for the first processing component, a second clamping portion may be provided for the second processing component, the first clamping portion is mounted in a clamping manner with the cup body and defines the clutch output shaft at a first position to output a first rotation speed, and the second clamping portion is mounted in a clamping manner with the cup body and defines the clutch output shaft at a second position to output a second rotation speed.

Example two

As shown in fig. 10 to 12, the present embodiment provides a miniaturized transmission 100 applied to a food processor, specifically, the first gear teeth 1041 and the first engagement teeth 106 are engaged in the radial direction, and the second gear teeth 1051 and the second engagement teeth 107 are engaged in the axial direction, so that the outer diameter of the transmission mechanism or the transmission 100 where the second gear teeth 1051 and the second engagement teeth 107 are located is greatly reduced. Optimizing the whole space of the food processor.

Specifically, the gearbox 100 includes a first speed change mechanism 101 and a second speed change mechanism 102 that are fixedly disposed, and a clutch output shaft 103 that is movably disposed, where the clutch output shaft is in transmission connection with one of the first speed change mechanism 101 and the second speed change mechanism 102, and is in transmission connection with the first speed change mechanism 101 when moving to a first position, so as to drive the processing component 400 to output a first rotational speed, and is in transmission connection with the second speed change mechanism 102 when moving to a second position, so as to drive the processing component to output a second rotational speed.

The first speed change mechanism 101 includes a first planetary carrier 1013, a first central gear shaft 1016 and a first planetary gear 1012, the second speed change mechanism 102 includes a second planetary carrier 1023, a second central gear shaft 1026 and a second planetary output shaft 1022, the first speed change mechanism and the second speed change mechanism are connected through the first planetary carrier 1013 and the second central gear shaft 1026, and a flat position or a spline is provided between the second central gear shaft 1026 and the first planetary carrier 1013. The gearbox further comprises an elastic resetting piece for resetting the clutch output shaft, in this embodiment, the elastic resetting piece comprises an elastic connecting shaft arranged between the second central gear shaft and the first central gear shaft, and the elastic connecting shaft comprises a connecting shaft 1122 and a spring 1121 so as to elastically reset the clutch output shaft, so that the clutch output shaft is located at the second position in a normal state. The connecting shaft penetrates through the second central gear shaft 1026 to be abutted against the lower end of the clutch output shaft.

The clutch output shaft 103 comprises a first transmission part 104 and a second transmission part 105, the first transmission part comprises a first transmission tooth 1041, the second transmission part comprises a second transmission tooth 1051, a second central tooth shaft 1026 is provided with a first meshing tooth 106 meshed with the first transmission tooth 1041, a second planetary carrier 1023 is provided with a second meshing tooth 107 meshed with the second transmission tooth 1051, and the first transmission tooth 1041 is radially meshed with the first meshing tooth 106, so that the clutch output shaft outputs a first rotating speed, namely a high-speed gear, for transmission connection with a processing component with functions of meat mincing, egg beating, vegetable breaking and the like. The first gear 1041 and the second gear 1051 are disengaged from the first gear 106 and the second gear 107, respectively, so that the clutch output shaft is in a neutral gear, and the second gear 1051 and the second gear 107 are axially engaged at zero rotational speed, so that the clutch output shaft outputs a second rotational speed, i.e., a low gear, for driving connection with a processing component having functions of juicing, dough kneading, ice shaving, and the like. The first engagement teeth 106 on the second center tooth extend in an axial direction, and the corresponding first drive teeth 1041 also extend in an axial direction and axially engage the first engagement teeth 106. The meshing teeth and the transmission teeth are respectively provided with three teeth and are provided with guide structures.

Example III

As shown in fig. 13, the embodiment further provides a food processor with a concise operation interface and integrated operation functions and keys, which comprises a main machine, and a multifunctional cup assembly 200 arranged on the main machine, wherein the cup assembly comprises a cup 201, a detachable processing part 400 and a cup cover, the cup is provided with a gearbox 100 with a clutch output shaft, the gearbox 100 comprises a first speed changing mechanism 101 and a second speed changing mechanism 102 which are fixedly arranged, and a clutch output shaft 103 which is movably arranged, the clutch output shaft is in transmission connection with one of the first speed changing mechanism 101 and the second speed changing mechanism 102, the clutch output shaft is in transmission connection with the first speed changing mechanism 101 when moving to a first position so as to drive the processing part to output a first rotation speed, and is in transmission connection with the second speed changing mechanism 102 when moving to a second position so as to drive the processing part to output a second rotation speed. The processing member 400 is provided with a positioning structure for axially positioning the clutch output shaft so that the clutch output shaft is maintained in a first position and outputs a first rotational speed, or maintained in a second position and outputs a second rotational speed.

The host is provided with an operation panel 304 provided with a multi-function key 305 corresponding to at least two machining programs with different rotational speeds. Specifically, the multifunctional key is electrically connected with the control module, the user triggers the multifunctional key and triggers the control module, the control module controls the motor to output an initial constant rotating speed according to the multifunctional key instruction, the processing component comprises a first processing component and a second processing component, the first processing component is provided with a first positioning structure to limit the clutch output shaft at a first position, and the second processing component is provided with a second positioning structure to limit the clutch output shaft at a second position. At this time, the user places any processing part in the cup body, covers the cup cover in place to keep the processing part effective and reliable in positioning the clutch output shaft, and after the cup body component is installed in place, the multifunctional key is pressed, so that the rotating speed corresponding to the processing part can be started. The first processing component may be a meat mincing knife or an eggbeater and the second processing component may be a dough bar or a juice extractor assembly. The setting makes operating panel's button function highly integrated, and a button can correspond a plurality of multi-functional processing procedure, carries out mechanical structure self-identification rotational speed through the different location structure of different processing parts, and accurate discernment processing procedure carries out the processing of specific function, and the user only need in the cup assembly the processing part of required function, and press multi-functional button can, need not to refine function button discernment or select, can realize processing part and the accurate discernment and the procedure matching of corresponding function, avoid input instruction and the unmatched maloperation problem of actual processing part, be particularly suitable for various age crowd and use.

Example IV

As shown in fig. 14, the embodiment provides a food processor, specifically a multifunctional power overhead meat grinder, comprising a cup assembly 200, wherein the cup assembly comprises a cup with an opening at the upper end, a processing component detachably arranged in the cup, and a cup cover covered at the opening of the cup, a motor and a gearbox 100 with a downward-extending clutch output shaft are arranged in the cup cover, wherein the gearbox 100 comprises a first speed change mechanism 101 and a second speed change mechanism 102 which are fixedly arranged, the clutch output shaft 103 is in transmission connection with one of the first speed change mechanism 101 and the second speed change mechanism 102, and is in transmission connection with the first speed change mechanism 101 when moving to a first position so as to drive the processing component to output a first rotation speed, and is in transmission connection with the second speed change mechanism 102 when moving to a second position so as to drive the processing component to output a second rotation speed. The lower end of the processing component is provided with a positioning butt with the cup body, the upper end of the processing component is provided with a positioning structure, the first processing component comprises one or more replaceable or combinable meat mincing knives and/or an eggbeater, and the second processing component comprises a dough kneading rod or a juicing component.

Example five

As shown in fig. 15, the embodiment provides a multipurpose lower integrated food processor with a gearbox 100 disposed in a host machine, specifically a multifunctional food processor, comprising the host machine the gearbox 100 and a cup assembly, wherein the gearbox 100 is disposed in the host machine, the gearbox 100 is connected with a motor in a transmission manner, the cup assembly 200 comprises a cup fixedly disposed in the host machine, a cup cover covered in an opening of the cup, and a detachable processing component disposed in the cup, the processing component is connected with a clutch output shaft 103 of the gearbox in a transmission manner, and the processing components are replaceable.

It can be understood that the cup body can be improved to be a cup body which is detachable relative to the main machine, specifically, the cup body assembly further comprises an intermediate connecting shaft which is linked with the clutch output shaft, the intermediate connecting shaft is arranged at the bottom of the cup body and partially stretches into the cup body, one end of the clutch output shaft, which does not stretch into the cup body, is connected with the clutch output shaft, one end of the clutch output shaft, which stretches into the cup body, is connected with the detachable processing part, so that the cup body with the intermediate connecting shaft is shared, the processing part is replaced, and after the cup cover is covered on the upper port of the cup body, the processing part, the intermediate connecting shaft and the clutch output shaft are directly or indirectly limited, so that different axial positions of the clutch output shaft are limited by different processing parts, and different rotating speeds are output. Specifically, the first processing member has a first positioning structure, and the second processing member has a second positioning structure, the positioning structure is abutted against the intermediate connecting shaft so as to enable the clutch output shaft and the intermediate connecting shaft to be kept at a position for outputting a specific rotation speed, for example, the first processing member is installed in place and enables the intermediate connecting shaft and the clutch output shaft to be kept at a first position so as to output a first rotation speed, and the second processing member is installed in place and enables the intermediate connecting shaft and the clutch output shaft to be in a second position so as to output a second rotation speed.

In addition to the above preferred embodiments, 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 solutions in any one embodiment and the technical solutions in other one or more embodiments are within the scope of the present invention. While the invention has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.

Claims (10)

1. The utility model provides a gearbox for food processor, its characterized in that, the gearbox includes fixed first speed change mechanism and the second speed change mechanism that sets up to and the separation and reunion output shaft of activity setting, separation and reunion output shaft and first speed change mechanism and second speed change mechanism select one to transmit and connect, the separation and reunion output shaft move to the first position with first speed change mechanism transmission is connected, with the processing part output first rotational speed of drive food processor, the separation and reunion output shaft move to the second position with second speed change mechanism transmission is connected, with the processing part output second rotational speed of drive food processor.

2. The gearbox for a food processor according to claim 1, wherein the clutch output shaft comprises a first transmission part and a second transmission part, the clutch output shaft is in transmission connection with the first speed change mechanism through the first transmission part and outputs a first rotating speed when moving to the first position, and the clutch output shaft is in transmission connection with the second speed change mechanism through the second transmission part and outputs a second rotating speed when moving to the second position.

3. The gearbox for a food processor of claim 1, wherein the first and second transmission portions disengage from the first and second transmission mechanisms, respectively, when the clutch output shaft moves to a third position.

4. The gearbox for a food processor of claim 1, wherein the processing component is removably coupled to the clutch output shaft.

5. The gearbox for a food processor of claim 1, wherein the processing component axially restrains the clutch output shaft to maintain the clutch output shaft in the first position or the second position during processing of the food processor.

6. The gearbox for a food processor of claim 2, wherein the first transmission mechanism comprises a first planetary output shaft, a first planetary gear, and a first planetary carrier, the second transmission mechanism comprises a second planetary output shaft, a second planetary gear, and a second planetary carrier, and the first transmission mechanism and the second transmission mechanism are in driving connection.

7. The gearbox for a food processor of claim 6, wherein the first transmission portion is provided with first transmission teeth, the first planetary output shaft is provided with first meshing teeth which are matched with the first transmission teeth, the second transmission portion is provided with second transmission teeth, and the second planetary output shaft is provided with second meshing teeth which are matched with the second transmission teeth.

8. The gearbox for a food processor of claim 7, wherein the first drive tooth and the first engagement tooth are axially engaged or radially engaged;

and/or the second transmission teeth and the second meshing teeth are meshed in the radial direction or the axial direction.

9. The gearbox for a food processor of claim 1, further comprising an elastic return member that returns the clutch output shaft to the first position or the second position in a natural state.

10. A food processor comprising a main machine, a cup and a motor-driven processing element, the cup or main machine further being provided with a gearbox according to any one of claims 1 to 9, the processing element being mounted in place and outputting a first rotational speed or a second rotational speed.

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