CN215605190U - Speed change mechanism, driving device, food processor and electrical equipment - Google Patents

Abstract

The utility model discloses a speed change mechanism, a driving device, a food processor and electrical equipment, wherein the speed change mechanism comprises: an input rotary body including a main body portion; the driven assembly comprises a plurality of driven revolving bodies and a mounting frame for rotatably mounting the driven revolving bodies, the driven revolving bodies are annularly arranged outside the main body part and are in transmission contact with the main body part, and the mounting frame can rotate around the main body part; the clutch piece is in transmission contact with the driven revolving body and can relatively slide in the axial direction relative to the driven revolving body; and the driving component comprises a driving part and a shifting fork, the driving part is provided with a driving shaft, the driving shaft is in transmission connection with the shifting fork, the shifting fork is movably connected with the clutch part, and the driving part drives the clutch part to move between a first position and a second position through the shifting fork. The technical scheme of the utility model realizes that the electrical equipment outputs different functional modes with different rotating speeds and torques.

Description

Speed change mechanism, driving device, food processor and electrical equipment

Technical Field

The utility model relates to a speed change mechanism, a driving device applying the speed change mechanism, a food processor applying the driving device and electrical equipment applying the speed change mechanism.

Background

Present electrical equipment, for example cooking equipment, washing machine, hairdryer etc, different equipment has different rotational speed and moment of torsion demand under the mode of difference, among the present electrical equipment, when adopting the direct output of motor, often adopt electronic speed governing, lead to the motor when the low-speed, output torque is extremely low, can't drag the heavy load operation, and the scheme of disposing gear change mechanism at the motor output, can realize speed-up/deceleration, but because its drive ratio is a fixed value, can't realize the effect that high low-speed was compromise, fixed drive ratio, can only realize single scene, can't satisfy people's diversified user demand like this.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a speed change mechanism, aiming at realizing that electrical equipment can output different functional modes with different rotating speeds and torques.

To achieve the above object, the present invention provides a transmission mechanism including:

an input rotator including a body portion;

the driven assembly comprises a plurality of driven revolving bodies and a mounting frame for rotatably mounting the driven revolving bodies, the driven revolving bodies are circularly arranged outside the main body part and are in transmission contact with the main body part, and the mounting frame can rotate around the main body part;

a clutch member in driving contact with the driven rotation body and capable of relatively sliding in an axial direction with respect to the driven rotation body; and

drive assembly, drive assembly includes driving piece and shift fork, the driving piece has the drive shaft, the drive shaft with the shift fork transmission is connected, the shift fork with clutch spare swing joint, the driving piece passes through the shift fork drives clutch spare removes between primary importance and second position, when being in the primary importance, clutch spare combines the main part with the driven solid of revolution and with the main part is together rotatory, speed change mechanism has through the mounting bracket is with the first state of the outside output of first rotational speed, when being in the second solid of revolution position, clutch spare is locked, driven solid of revolution for clutch spare rotates, speed change mechanism has through the mounting bracket is with the outside second state of exporting of second rotational speed.

According to the technical scheme, the driving piece drives the clutch piece to move between the first position and the second position through the shifting fork, the clutch piece is combined with the main body part and the driven revolving body and rotates together with the main body part when in the first position, so that the speed change mechanism is in a first rotating speed state outwards through the mounting frame, the clutch piece is locked when in the second position, the main body part drives the mounting frame to rotate around the main body part through the driven revolving body, the speed change mechanism is in a second state outwards outputting at a second speed through the mounting frame, the requirements of multiple output modes of the electrical equipment are met, and therefore the electrical equipment can integrate multiple functions together, the requirements of different lives of people are met, different electrical equipment does not need to be used, and convenience is brought to the lives of people.

Optionally, the shifting fork comprises a connecting installation part and a clamping part, the installation part is in transmission connection with the driving shaft, a limiting groove is formed in the clamping part, and the edge of the clutch piece penetrates through the limiting groove;

the mounting part comprises a base body and a mounting block, the base body is arranged in an arc shape and extends along the circumferential direction of the clutch piece, a plurality of clamping parts are arranged, and the plurality of clamping parts are arranged on the base body at intervals;

or the mounting part is provided with at least two mounting arms which are arranged at intervals in the circumferential direction of the clutch piece, and at least one mounting arm is connected with the clamping part.

Optionally, the mounting portion and the clamping portion are of a unitary construction.

Optionally, the driving part is a linear motor, a motor shaft of the linear motor is the driving shaft, and the motor shaft is fixedly connected with the shifting fork.

Optionally, the drive shaft is threadedly connected with the shift fork.

Optionally, the driving piece is a rotating motor, a motor shaft of the rotating motor is the driving shaft, a screw rod section is formed on the motor shaft, a threaded hole is formed on the shifting fork, and the screw rod section is matched and connected with the threaded hole.

Optionally, the clutch member includes a clutch inner gear ring and a driving part connected to the outside of the clutch inner gear ring, the driven rotation body is a planetary gear, the main body part is provided with driving gear teeth, two sides of the driven rotation body are respectively engaged with the clutch inner gear ring and the driving gear teeth, and the shifting fork is movably connected with the driving part.

Optionally, the main body part is provided with a first clamping position, the clutch ring gear is externally provided with a second clamping position, and when the clutch member is located at the first position, the clutch ring gear is nested with the main body part and the first clamping position abuts against the second clamping position.

Optionally, speed change mechanism still includes the casing and is fixed in the installation axle of casing, the input solid of revolution cover establish in the installation axle, the casing is provided with the third screens, still be provided with the fourth screens on the separation and reunion inner ring gear, when being in the second position, the third screens with the fourth screens butt is so that the separation and reunion piece is by the casing locking.

Optionally, the casing includes first casing and second casing that the lid closed each other, the installation axle is fixed in first casing, the mounting bracket is revealed by the second casing, the driving piece install in first casing or the second casing.

Optionally, the speed change mechanism further comprises a casing, the input rotation body, the driven assembly, the clutch member and the shifting fork are all installed in the casing, the driving member is installed outside the casing, and the driving shaft extends into the casing and is in transmission connection with the shifting fork.

Optionally, the driving member is disposed on a side of the casing close to the mounting rack, or the driving member is disposed on a side of the casing away from the mounting rack.

The utility model also provides a driving device which comprises a power source and the speed change mechanism, wherein the power source is in transmission connection with the input revolving body.

Optionally, the driving device includes a housing and a bracket mounted in the housing, and the speed change mechanism and the power source are fixed to the bracket.

Optionally, the drive device can be used in conjunction with a processing cup assembly, the drive device having a first mode of operation supported above the processing cup assembly by the housing and drivingly connected to a processing implement within the processing cup; and/or the driving device is provided with a second working mode which is supported below the processing cup assembly through the shell and is in transmission connection with a processing executing piece in the processing executing piece.

Optionally, the power source is a rotating electrical machine, a motor shaft of the rotating electrical machine is provided with a driving wheel, a main body of the input revolving body is provided with an input wheel, the driving wheel is meshed with the input wheel, and the diameter of the driving wheel is larger than that of the input wheel.

The utility model also provides a food processor, which comprises the driving device and the processing cup assembly arranged on the driving device, wherein the processing cup assembly comprises a processing executing piece, and the processing executing piece is in transmission connection with the mounting frame.

Optionally, the food processor has a first operating mode, and in the first operating mode, the power source drives the processing executing part to operate in a rotation speed range of 5000rpm to 50000rpm through the speed change mechanism; and/or

The food processor has a second working mode, and under the second working mode, the power source drives the processing executive component to operate in a rotating speed range smaller than or equal to 2000rpm through the speed change mechanism.

The utility model also provides electric equipment which comprises a power source, an actuating mechanism and the speed change mechanism, wherein the power source is in transmission connection with the actuating mechanism through the speed change mechanism.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic illustration of a variator in an assembled state according to an embodiment of the utility model;

FIG. 2 is an exploded schematic view of the structure of FIG. 1;

FIG. 3 is a schematic diagram of the internal structure of the structure of FIG. 1;

FIG. 4 is a cross-sectional structural schematic view of the first state of the shifting mechanism of FIG. 1;

FIG. 5 is a schematic cross-sectional view of the transmission of FIG. 1 in a further state;

FIG. 6 is a schematic perspective view of a clutch member of the shifting mechanism of FIG. 1;

FIG. 7 is a perspective view of the input rotator in the variator of FIG. 1;

FIG. 8 is a schematic structural view of a second housing in the case of the transmission mechanism of FIG. 1;

FIG. 9 is a schematic perspective view of a fork of the transmission mechanism of FIG. 1;

FIG. 10 is a schematic illustration of a variator of a further embodiment of the utility model in an assembled condition;

FIG. 11 is a partial schematic structural view of the shifting mechanism of FIG. 10 from a perspective;

FIG. 12 is a partial schematic structural view of the shifting mechanism of FIG. 10 from yet another perspective;

fig. 13 is a schematic perspective view of a food processor according to an embodiment of the utility model;

fig. 14 is a schematic cross-sectional structure view of the food processor in fig. 13.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indications in the embodiments of the present invention are only used to explain the relative position relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, "and/or" in the whole text includes three schemes, taking a and/or B as an example, including a technical scheme, and a technical scheme that a and B meet simultaneously; in addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

In real life, people can use a wall breaking machine to make fluid drinks, the wall breaking machine breaks the cell walls of food materials through high-speed operation of processing execution parts such as blades and the like driven by a motor to obtain fluid drinks with fine taste, people can also use a noodle maker, and a noodle stirring rod is driven by the motor in the noodle maker to run at low speed to automatically knead noodles, in the process, people face the difficult problem that the wall breaking machine running at high speed is not suitable for heavily loaded dough kneading operation, or the wall breaking machine is also used, when the viscous food materials are beaten by the wall breaking machine, because the existing machine design usually adopts electronic speed regulation, the output torque of the motor is extremely low when the motor is at low speed, and the wall breaking machine is not smooth when the food materials are heavily loaded, the beating effect of the viscous food materials still needs to be improved, and because the functions of an electric appliance are single, in order to meet the use requirements of people, people need many electrical appliances. In addition, for some schemes of installing the gear speed change mechanism 10, although speed increase/speed reduction can be realized, because the transmission ratio is a fixed value, the effect of considering both high and low speeds cannot be realized, because we know that in some food material processing processes, high and low speed whipping can make the mixing effect better. Similarly, not only the food processing electric appliance, but also other electric appliances in life, such as washing machines, often need different rotational speeds to drive the drum to achieve a better washing effect when simulating the effect of rubbing clothes by hands, and also such as hair dryers, when blowing hair, when simulating natural wind, often need the wind speed to alternate high and low.

In order to solve the above problems and facilitate the life of people, the present application proposes a speed change mechanism 10.

Referring to fig. 1 to 5, in an embodiment, the speed change mechanism 10 includes an input rotator 20, a driven element 30, a clutch 40 and a driving element 50, the input rotator 20 includes a main body 210 and a rotating shaft 220 rotating together with the main body 210, the driven element 30 includes a plurality of driven rotators 310 and a mounting rack 320 for rotatably mounting the plurality of driven rotators 310, the plurality of driven rotators 310 are disposed around and in driving contact with the main body 210, the mounting rack 320 can rotate around the input rotator 20, specifically, the mounting rack 320 includes a base 321 and a plurality of rotating shafts 322 connected to the base 321, a driven rotator 310 is mounted on a rotating shaft 322, and the base 321 is provided with a through hole so as to be sleeved on the rotating shaft 220 to rotate around the rotating shaft 220. The clutch member 40 is in driving contact with the driven rotator 310 and can relatively slide in the axial direction with respect to the driven rotator 310, the driving assembly 50 includes a driving member 510 and a shifting fork 520, the driving member 510 has a driving shaft 511, the driving shaft 511 is in driving connection with the shifting fork 520, the shifting fork 520 is movably connected with the clutch member 40, the driving member 510 drives the clutch member 40 to move between a first position and a second position through the shifting fork 520, referring to fig. 4, when the driving member is in the first position, the clutch member 40 is combined with the main body 210 and rotates with the main body 210, the speed change mechanism 10 has a first state of outputting outwards at a first rotation speed through the mounting bracket 320, referring to fig. 5, when the driving member is in the second position, the clutch member 40 is locked, at this time, the driven rotator 310 can rotate with respect to the clutch member 40, the main body 210 drives the mounting bracket 320 to rotate around the main body 210 through the driven rotator 310, the shifting mechanism 10 has a second state that is output outwardly through the mounting bracket 320 at a second rotational speed.

The transmission mechanism 10 in this embodiment serves as a medium for power transmission, and outputs the power of the power source 730 in different forms. Wherein, the gearshift mechanism 10 can be in the form of a single unit, in this form, the gearshift mechanism 10 further includes a housing 60 and a mounting shaft 630 fixed to the housing 60, wherein the mounting shaft 630 can be formed by the rotating shaft portion 220, or the rotating shaft portion 220 is hollow, the mounting shaft 630 is inserted into the rotating shaft portion 220 so that the input rotator 20 is sleeved on the mounting shaft 630, and in one arrangement form, the housing 60 can be in the shape of a box with an opening, the input rotator 20, the driven assembly 30 and the clutch 40 are all arranged in the housing 60, the housing 60 specifically includes a first housing 610 and a second housing 620, the mounting shaft 630 is fixed to the first housing 610, an output hole is arranged on the second housing 620, the mounting bracket 320 is exposed from the output hole of the second housing 620, the driving member 510 is arranged on the first housing 610 or the second housing 620 and is located outside the housing 60, in the scheme shown in the figure by way, the driving member 510 is installed outside the second casing 620 and located above, the driving shaft 511 penetrates through the second casing 620 and extends into the casing 60 from top to bottom to be in transmission connection with the shifting fork 520, that is, the driving member 510 is arranged on one side of the casing 60 close to the installation frame 320, and in the actual application process, the space on one side of the installation frame 320 can be effectively utilized. Of course, the driving member 510 may also be disposed below and installed outside the first casing 610, and the output shaft extends into the casing 60 from bottom to top to be in transmission connection with the shifting fork 520, that is, the driving member 510 is disposed on a side of the casing 60 away from the mounting frame 320, which is advantageous in that the overall weight distribution of the transmission mechanism 10 is more balanced, and thus the operation is more stable. In yet another arrangement, the housing 60 may be a non-box, but rather a single plate, and the mounting shaft 630 and the driving member 510 are both fixed to the plate, which has fewer parts. The transmission mechanism 10 may be a functional module in which different parts are combined in an electrical apparatus, that is, the input rotator 20, the driven unit 30, and the driving unit 50 may be mounted on a housing mounted in the electrical apparatus without separately providing the housing 60, and may be different housings in the electrical apparatus or the same housing in the same region.

The following description will be made in detail with respect to a case in which the transmission mechanism 10 has the case 60, and the case 60 includes the first case 610 and the second case 620 to form a box shape having an opening. The connection mode between the first casing 610 and the second casing 620 may be a mode that can be detached and separated without destroying the structure, such as a snap connection, a locking connection using a connector such as a screw or a bolt, or a mode that can be separated without destroying the structure, such as a welding mode, one side of which is rotatably connected by a hinge, and the other side of which is a snap connection, and the like. The material and shape of the first case 610 and the second case 620 are not limited in the present application as long as they are suitable for the overall structural strength and can accommodate internal components. Further, in order to facilitate the integral installation of the speed changing mechanism 10 into the electrical equipment to which the speed changing mechanism is applied, in an embodiment, the housing 60 is further provided with an installation structure, which may be located on the first casing 610 and/or the second casing 620, and in one implementation, the installation structure is provided with a connection hole, so that the speed changing mechanism 10 can be integrally assembled into the internal environment of the electrical equipment to which the speed changing mechanism is applied by a connection member, such as a screw or a bolt.

In the actual use process, under the condition that the speed change mechanism 10 is locked by the clutch 40, the driven rotator 310 can move relative to the clutch 40, and because the plurality of driven rotators 310 are annularly arranged outside the main body 210 and are in transmission contact with the main body 210, the main body 210 drives the driven rotators 310 to move relative to the clutch 40, and further the mounting rack 320 is driven by the plurality of driven rotators 310 to rotate around the input rotator 20, so according to the principle of the planetary gear mechanism, the clutch 40 of the present application is equivalent to a ring gear, the driven rotators 310 are equivalent to planet gears, the mounting rack 320 is equivalent to a planet carrier, the input rotator 20 is equivalent to a sun gear, when the driving assembly 50 drives the clutch 40 to move to the first position, because the clutch 40 and the input rotator 20 rotate together, then the driven rotators 310 between the clutch 40 and the main body 210 have the same rotating speed because of the parts on both sides, the driven rotator 310 does not rotate but remains stationary relative to the clutch 40 and the body portion 210, and the input rotator 20 is driven in a direction of 1: the transmission ratio of 1 drives the mounting frame 320 to rotate for driving output, and when the clutch 40 moves to the second position under the driving of the driving assembly 50, namely, corresponding to the gear ring in the planetary gear mechanism being locked, at this time, the plurality of driven rotators 40 rotate relative to the clutch 40 and use the main body portion 210 as a rotating shaft, so that the input rotator 20 as a sun gear is output outwards through the transmission path of the main body portion 210, the driven rotators 310 and the mounting frame 320, because the plurality of driven rotators 310 are annularly arranged outside the main body portion 210, when the clutch 40 is at the second position, the output outwards can be performed in a low rotating speed and high torque mode through the mounting frame 320, the first operating state of the speed change mechanism 10 is an output state at a high rotating speed, and the second operating state of the speed change mechanism 10 is an output state at a low rotating speed and high torque, therefore, in the actual use process, the speed change mechanism 10 provided with the present application can perform operations such as high-speed stirring of the wall breaking machine for food materials in the first working state, and can perform operations such as dough kneading of the noodle maker in the second working state, and can perform some food material mixing operations in a mode of performing alternate operation through the two working states.

In summary, according to the technical solution of the present invention, the driving member 510 drives the clutch member 40 to move between the first position and the second position through the shifting fork 520, because in the first position, the clutch member 40 combines the main body portion 210 and the driven rotation body 310 and rotates together with the main body portion 210, so that the speed change mechanism 10 has a first state of outputting outwards at a high speed, and in the second position, the clutch member 40 is locked, the main body portion 210 drives the mounting bracket 320 to rotate around the main body portion 210 through the driven rotation body 310, so that the speed change mechanism 10 has a second state of outputting outwards in a low-speed and high-torque manner through the mounting bracket 320, thereby satisfying the needs of multiple output modes of the electrical equipment, and thus enabling the electrical equipment to integrate multiple functions together, thereby satisfying different needs of life, and bringing convenience to life of people without using different electrical equipment.

This application drive shaft 511 directly carries out transmission with shift fork 520 and is connected in order to drive shift fork 520 to make whole speed change mechanism's compact structure, spare part is less, and the drive is reliable. On the basis, the transmission connection between the driving shaft 511 and the shifting fork 520 can be divided into two forms, one is a fixed connection mode, and the other is a movable connection mode.

In a fixed connection manner, the driving member 510 may adopt a linear motor, a rotating motor, an air cylinder, a hydraulic cylinder, or other structural forms, and particularly, in a case that the driving shaft 511 adopts a linear motor, a motor shaft of the linear motor may be the driving shaft 511, and the shifting fork 520 is driven to move by linear motion that can be directly realized by the motor shaft of the linear motor, such structural forms are compact in size. And adopt the rotating electrical machines and the transmission of drive shaft 511 and shift fork 520 is under the fixed connection's the condition, then need change the rotary motion of rotating electrical machines into linear motion with the help of other transmission connecting pieces, and then drive shift fork 520 and move between primary importance and second place, and under the condition that driving piece 510 is cylinder, pneumatic cylinder, then shift fork 520 directly with the cylinder or the piston rod of pneumatic cylinder fixed can.

In the movable connection manner, please refer to fig. 2 and 9 in combination, in an embodiment, the driving shaft 511 is in threaded connection with the clutch member 40, that is, the present embodiment may use a rotating motor to drive the clutch member 40 to move between the first position and the second position, that is, the driving member 510 is a rotating motor, such an arrangement may precisely control the movement position of the clutch member 40, so that the whole mechanism is relatively small and compact. Further, in order to make the whole of the speed change mechanism 10 compact, the present application may also be that the motor shaft of the rotating electrical machine is the driving shaft 511, the motor shaft is formed with a screw section, the clutch member 40 is formed with a threaded hole 5231, the screw section is in fit connection with the threaded hole 5231, the direct driving mode of the rotating electrical machine of the present embodiment can omit the design of the transmission structure between the rotating electrical machine and the clutch member 40, on one hand, the parts of the speed change mechanism 10 are further reduced, thereby reducing the cost, and on the other hand, the volume of the whole structure is smaller because of the reduction of the parts. It is understood that the speed change mechanism 10 of the present application may also be provided with a transmission structure between the rotating motor and the driving shaft 511, wherein the transmission structure may include, but is not limited to, a timing belt, a chain, a gear, etc., without considering the cost and the large installation space.

Referring to fig. 6 and 7, the clutch member 40 includes a clutch ring gear 410 and a driving part 420 connected to the outside of the clutch ring gear 410, the driven rotation body 310 is a planetary gear, the main body 210 is provided with driving gear teeth 211, two sides of the driven rotation body 310 are respectively engaged with the clutch ring gear 410 and the driving gear teeth 211, and the shift fork 520 is movably connected with the driving part 420. In one embodiment, the driving gear is a spur gear, the driven rotors 310 of the plurality of planetary gears are arranged around the driving gear teeth 211, the clutch ring gear 410 of the clutch member 40 is arranged around the outsides of the plurality of driven rotors 310 to form a planetary gear mechanism, and the clutch ring gear is movably connected with the driving part 420 through the shifting fork 520, so long as the shifting fork 520 can drive the clutch member 40 to lift the input rotors 20 in the axial direction, in the process, the clutch member 40 and the driven rotors 310 are always in a contact state, that is, in the present application, the transmission contact among the input rotors 20, the driven rotors 310 and the clutch member 40 is realized through a gear transmission mode of the input rotors 20, the driven rotors 310 and the clutch member 40, such a form has the characteristic of stable driving process, and in other embodiments, for the case of not too large load, the transmission contact among the input rotors 20, the driven rotors 310 and the clutch member 40 can also be a surface friction contact, or a combination of geared contact and surface friction contact, the present application prefers geared drive between the input rotator 20, the driven rotator 310, and the clutch 40 in order to allow the variator 10 to be used in high load scenarios.

Referring to fig. 4, 6 and 7 in combination, in order to realize that the clutch 40 can combine the input rotator 20 and the driven rotator 310 and can rotate together with the input rotator 20 when the clutch 40 moves to the first position, in an embodiment, the main body 210 is provided with a first detent 214, the clutch ring gear 410 is provided with a second detent 430 on the outside, and when the clutch 40 is at the first position, the clutch ring gear 410 is nested with the main body 210 and the first detent 214 and the second detent 430 abut against each other. The input rotator 20 of the present application has a hollow structure, and a shaft hole 20a penetrating from the body 210 to the rotating shaft 220 is formed in the hollow structure for the mounting shaft 630 to be inserted and mounted. In an embodiment, the main body 210 has a step 212 formed below the driving gear 211, and a first annular groove 213 formed on the upper surface of the step 212, the contour of the first annular groove 213 matches the contour of the clutch ring gear 410, one end of the clutch ring gear 410 can be inserted into the first annular groove 213, a first detent 214 is formed on the groove wall of the first annular groove 213, specifically, on the outer groove wall of the first annular groove 213, the driving portion 420 in the centrifugal member of the present application is a plate structure and is located at the middle position in the axial direction of the clutch ring gear 410, of course, the driving portion 420 can be at the middle position of the clutch ring gear 410 or at the non-middle position, wherein the second detent 430 is formed on the lower portion of the clutch ring gear 410 separated by the driving portion 420, in one arrangement, the first detent 214 and the second detent 430 are both protruding rib structures, the plurality of convex rib structures extend in the axial direction of the structures and are arranged at intervals in an annular mode, therefore, when the driving element 510 drives the clutch element 40 to move downwards to the first position in a threaded transmission mode through the driving shaft 511, the lower part of the clutch ring gear 410 extends into the first annular groove 213, the first clamping position 214 and the second clamping position 430 are contacted to realize mutual abutting in the circumferential direction, further the clutch element 40 is driven to rotate together in the rotation process of the main rotating body, at the moment, the clutch element rotating body 40, the main rotating body and the driven rotating body 310 do not move mutually, and at the moment, the driven rotating body 310 drives the mounting frame 320 to output outwards at the same speed to form the first state. In the above structure, the first detents 214 and the second detents 430 with multiple ribs make the clutch 40 and the input rotator 20 have a larger adjustment space during the engagement process, so the structure is more stable and reliable, and the structure is simpler, which is beneficial to make the whole transmission mechanism 10 compact. It is understood that in other embodiments, the structural form of the first detent 214 and the second detent 430 may be changed, for example, one of the first detent 214 and the second detent 430 may be a protrusion structure, the other is a groove structure, or the first detent 214 and the second detent 430 may be aligned in the axial direction in addition to the circumferential stop contact in the illustrated scheme, that is, the first annular groove 213 may not be required to be provided, the first detent 214 and the second detent 430 are in a protruding tooth-shaped configuration, the first detent 214 is directly protruded on the surface of the step 212, and the second detent 430 is protruded on the lower portion of the clutch ring gear 410, so that the transmission and the alignment of the two can also be realized.

Referring to fig. 5, fig. 6 and fig. 8, in order to lock the clutch member 40 at the second position, in an embodiment, the speed changing mechanism 10 is provided with a third detent 440 on an inner surface of the second housing 620 of the casing 60, and the ring gear 410 is further provided with a fourth detent 622, and when at the second position, the third detent 440 and the fourth detent 622 abut against each other to lock the clutch member 40 by the casing 60. In the present application, a second annular groove 621 is concavely formed on an inner wall surface of the second housing 620, the contour shape of the second annular groove 621 is adapted to the upper contour of the clutch ring gear 410, and the fourth detent 622 is disposed on an outer side groove wall of the second annular groove 621, wherein the structural forms of the third detent 440 and the fourth detent 622 may refer to the structural forms of the first detent 214 and the second detent 430, and are not described herein again. When the driving member 510 drives the clutch member 40 to move up to the second position in a screw transmission manner through the driving shaft 511, the upper portion of the clutch ring gear 410 is inserted into the second annular groove 621, and the clutch member 40 cannot rotate due to the mutual abutment of the third detent 440 and the fourth detent 622, so that the driven rotation body 310 rolls relatively along the inner side of the clutch ring gear 410, and the input rotation body 20 drives the mounting frame 320 to rotate around the rotating shaft portion 220 through the driven rotation body 310, thereby achieving the second operating state in the above.

Referring to fig. 2, 3 and 9, in an embodiment, the shift fork 520 includes a mounting portion 521 and a clamping portion 524, wherein the mounting portion 521 includes a base 522 and a mounting block 523 connected to the base 522, the clamping portion 524 is connected to the base 522, a threaded hole 5231 is formed in the mounting block 523, the driving shaft 511 passes through the threaded hole 5231 to be in threaded connection with the mounting portion 523, the clamping portion 524 is formed in a structure of two clamping blocks spaced apart from each other, an open-shaped limiting groove 525 is formed between the two clamping blocks, and the driving portion 420 can movably pass through the limiting groove 525. This application drive division 420 is the plate body structure of encircleing separation and reunion ring gear 410 a week, make in the rotatory in-process of clutch 40, shift fork 520 can effectual drive clutch 40 all the time and carry out elevating movement, base member 522 is the arc setting and extends along the circumference of clutch 40, clamping part 524 is provided with a plurality ofly, a plurality of clamping part 524 sets up at the interval on base member 522, in some embodiments, base member 522 can constitute semicircle ring shape or C font, the curved radian that base member 522 formed of course can ensure shift fork 520 rise and descend the in-process application of force more even at drive clutch 40, through setting up like this, it is more stable at drive clutch 40 lift process.

Referring to fig. 10 to 12, in another embodiment, the mounting portion 521 of the shift fork 520 has at least two mounting arms 5211, the at least two mounting arms 5211 are spaced apart from each other in the circumferential direction of the clutch 40, and at least one of the mounting arms 5211 is connected with a clamping portion 524, in which the mounting portion 521 extends in the radial direction of the clutch 40, the mounting portion 521 has two mounting arms respectively extending into two opposite sides of the clutch 40 in the radial direction, and the two mounting arms 5211 are connected with a clamping portion 524 respectively, in such a way, when the clutch 40 is driven, the arrangement is more stable, and of course, when at least two mounting arms 5211 are provided, one clamping portion 524 can be fixed with the at least two mounting arms 5211, that is, the plurality of mounting arms 5211 jointly drive one clamping portion 524, and at this time, the clamping portion 524 is configured in a ring shape, so that the clamping portion 524 contacts with the clutch 40 more, the driving process is more reliable. In this embodiment, the fork 520 may be partially disposed outside the housing 60 and directly connected to the driving shaft 511 of the driver 510, wherein the driver 510 may be configured as set forth above and extend the mounting arm into the housing 60 to connect with the clutch member 40, or the fork 520 may be entirely disposed within the housing 60 and extend the driving shaft 511 into the housing 60.

In the two exemplary structural forms of the shift fork 520, the mounting portion 521 and the clamping portion 524 in the shift fork 520 may be all of an integrated structure, which is advantageous in that the structural strength of the shift fork 520 is relatively high while the shift fork is convenient to produce and manufacture, and the structural stability is high during multiple driving processes, but the mounting portion 521 and the clamping portion 524 may also be fixed together by welding or detachable connection, for example.

Referring to fig. 13 and 14, the present application further provides a driving device 70 including a power source 730 and a speed change mechanism 10, and the specific structure of the speed change mechanism 10 refers to all technical solutions of all the embodiments described above, and since the driving device 70 adopts all the technical solutions of all the embodiments described above, at least all the advantages brought by the technical solutions of the embodiments described above are provided, and no further description is provided herein. The power source 730 is in transmission connection with the input rotation body 20 of the speed change mechanism 10, and in actual use, the mounting bracket 320 is connected with a connector which is connected with an external device.

In one embodiment, the driving device 70 includes a housing 710, a bracket 720 mounted in the housing 710, and a main control board 740, wherein the transmission mechanism 10 and the power source 730 are fixed on the bracket 720. By such an arrangement, the overall structure of the driving device 70 can be made more compact and the installation can be made more convenient.

In an embodiment, the power source 730 is a rotating electrical machine, a motor shaft of the rotating electrical machine is provided with a driving wheel 731, the main body portion 210 of the input rotator 20 is provided with the input wheel 215, the driving wheel 731 is in transmission connection with the input wheel 215, wherein the diameter of the driving wheel 731 is larger than the diameter of the input wheel 215, and the transmission connection between the driving wheel 731 and the input wheel 215 includes, but is not limited to, a pulley, a chain, or a gear.

The driving device 70 can be used with a processing cup assembly 80, the processing cup assembly 80 comprises a cup body and a processing executing part 810 arranged in the cup body for whipping processing, and the driving device 70 has a first working mode which is supported above the processing cup assembly 80 through a shell 710 and is in transmission connection with the processing executing part 810 in the processing cup; and/or the driving device 70 has a second working mode which is supported below the processing cup assembly 80 through the shell 710 and is in transmission connection with a processing executing component 810 in the processing executing component 810. The driving device 70 is a mechanism capable of operating independently, and can be placed on a supporting surface, and the processing cup assembly 80 of the cooking appliance is mounted on the upper portion of the housing 710, so that the driving device 70 can process the cup assembly 80 below, specifically, a groove structure can be formed on the housing 710 for the insertion of the bottom of the processing cup assembly 80, and then the driving device 70 has a first working state that is supported below the cup body of the processing execution member 810 through the housing 710 and is connected to the processing execution member 810 in the processing cup assembly 80 through the connector in a transmission manner. As another use manner, the driving device 70 may be placed above the processing cup assembly 80, and supported above the cup body of the processing cup assembly 80 through the housing 710, so as to achieve a second working state of driving the processing executing component 810 in the processing cup assembly 80 in a top-down manner, where the processing executing component 810 may be, for example, a structure such as a stirring knife, a grinder, a stirring rod, and the like. In other operation modes, the driving device 70 can be integrally and detachably inserted into the cooking appliance as a detachable power structure to realize a third operation state of driving the processing executing part 810 in the cooking appliance, in this way, a mounting structure is required to be arranged in the cooking appliance to fix the housing 710 of the driving device 70. This application has the output function of different drive ratios through drive arrangement 70, so realizes different processing modes on different cooking utensil to under the condition of can reducing electrical equipment's quantity, also can satisfy people's multiple user demand.

Referring to fig. 13 and fig. 14 again, the present invention further provides a food processor, including the driving device 70 and a processing cup assembly 80 mounted on the driving device 70, wherein the processing cup assembly 80 includes a processing executing part 810, the processing executing part 810 is in transmission connection with the mounting frame 320, and wherein:

the food processor has a first working mode, in the first working mode, the power source 730 drives the processing execution member 810 to operate in a rotating speed range of 5000rpm-50000rpm through the speed change mechanism 10, in the first working mode, the food processor can realize a wall breaking mode of high-speed operation such as fruit and vegetable crushing and stirring at a rotating speed of 5000rpm-25000rpm, even 25000 rpm-50000rpm, at this time, the processing execution member 810 is a stirring knife, in the first working mode, the cooking appliance can also drive the processing execution member 810 to operate in a rotating speed range of 10000rpm-25000rpm through the speed change mechanism 10, in this mode, the cooking appliance can grind food materials to obtain a high-speed operation mode of food material powder, at this time, the processing execution member 810 is a grinder.

And/or, the food processor further has a second operation mode, in which the power source 730 drives the processing executing member 810 to operate in a rotation speed range less than or equal to 2000rpm through the speed change mechanism 10. In a second operation mode, the power source 730 drives the processing executing component 810 through the speed changing mechanism 10 to operate at a rotation speed range of 50rpm to 1000rpm, which can be used for stirring viscous food materials, such as dough kneading or other food material mixing processes, and the processing executing component 810 is a stirring rod. Alternatively, the power source 730 drives the processing executing member 810 to operate at a speed ranging from 20rpm to 500rpm through the speed changing mechanism 10, and in this mode, the processing executing member 810 can be used for an automatic cooking operation, for example, and in this case, the processing executing member 810 is a turner.

As described above, the food processor can be applied in a wide range and can greatly reduce the number of electric appliances in the kitchen by providing the speed change mechanism 10 to output different rotational speeds and torques.

The application further provides an electrical apparatus, the electrical apparatus includes a power source 730, a processing executing component 810 and a speed change mechanism 10, the power source 730 is in transmission connection with the input rotator 20 of the speed change mechanism 10, the processing executing component 810 is in transmission connection with the mounting bracket 320, the specific structure of the speed change mechanism 10 refers to all technical solutions of all the above embodiments, and as the driving device 70 adopts all the technical solutions of all the above embodiments, all beneficial effects brought by the technical solutions of the above embodiments are at least achieved, and no further description is given here. The electric appliance can be a wall breaking machine, a juicer, a stirrer, a noodle maker and the like which are used for food treatment in the market, can also be small household appliances such as a washing machine and an electric hair drier, and can even be a vehicle such as an electric automobile and the like used for transportation.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (19)

1. A speed change mechanism characterized by comprising:

an input rotator including a body portion;

the driven assembly comprises a plurality of driven revolving bodies and a mounting frame for rotatably mounting the driven revolving bodies, the driven revolving bodies are circularly arranged outside the main body part and are in transmission contact with the main body part, and the mounting frame can rotate around the main body part;

a clutch member in driving contact with the driven rotation body and capable of relatively sliding in an axial direction with respect to the driven rotation body; and

drive assembly, drive assembly includes driving piece and shift fork, the driving piece has the drive shaft, the drive shaft with the shift fork transmission is connected, the shift fork with clutch spare swing joint, the driving piece passes through the shift fork drives clutch spare removes between primary importance and second position, when being in the primary importance, clutch spare combines the main part with the driven solid of revolution and with the main part is together rotatory, speed change mechanism has through the mounting bracket is with the first state of the outside output of first rotational speed, when being in the second solid of revolution position, clutch spare is locked, driven solid of revolution for clutch spare rotates, speed change mechanism has through the mounting bracket is with the outside second state of exporting of second rotational speed.

2. The transmission mechanism according to claim 1, wherein the shift fork includes a coupling mounting portion and a clamping portion, the mounting portion being in driving connection with the drive shaft, the clamping portion being formed with a limit groove through which an edge of the clutch member passes;

the mounting part comprises a base body and a mounting block, the base body is arranged in an arc shape and extends along the circumferential direction of the clutch piece, a plurality of clamping parts are arranged, and the plurality of clamping parts are arranged on the base body at intervals;

or the mounting part is provided with at least two mounting arms which are arranged at intervals in the circumferential direction of the clutch piece, and at least one mounting arm is connected with the clamping part.

3. The variator of claim 2, wherein the mounting portion and the clamping portion are of unitary construction.

4. The gearshift mechanism of claim 1 wherein said drive member is a linear motor, and wherein said linear motor has a motor shaft as said drive shaft, said motor shaft being fixedly connected to said fork.

5. The transmission mechanism of claim 1, wherein the drive shaft is threadedly coupled to the shift fork.

6. The gear shift mechanism of claim 5, wherein the driving member is a rotary motor, a motor shaft of the rotary motor is the driving shaft, the motor shaft is formed with a screw section, the fork is formed with a threaded hole, and the screw section is fittingly connected with the threaded hole.

7. The transmission mechanism according to any one of claims 1 to 6, wherein the clutch member includes a clutch ring gear and a driving part connected to the outside of the clutch ring gear, the driven rotation body is a planetary gear, the main body part is provided with driving gear teeth, two sides of the driven rotation body are respectively engaged with the clutch ring gear and the driving gear teeth, and the shift fork is movably connected with the driving part.

8. The variator of claim 7, wherein the main body portion is provided with a first detent and an outer portion of the ring gear is provided with a second detent, and when the clutch member is in the first position, the ring gear nests with the main body portion and the first detent and the second detent abut.

9. The gearshift mechanism of claim 7 further comprising a housing and an attachment shaft fixed to the housing, wherein the input rotator is sleeved on the attachment shaft, the housing is provided with a third detent, the clutch inner race is further provided with a fourth detent, and when in the second position, the third detent and the fourth detent abut to lock the clutch member with the housing.

10. The gearshift mechanism of claim 9, wherein the housing comprises a first housing and a second housing that are closed to each other, the mounting shaft is fixed to the first housing, the mounting bracket is exposed from the second housing, and the driving member is mounted to the first housing or the second housing.

11. The transmission mechanism of any one of claims 1 to 6, further comprising a housing, wherein the input rotator, the driven assembly, the clutch member and the fork are mounted in the housing, the driving member is mounted outside the housing, and the driving shaft extends into the housing and is in driving connection with the fork.

12. The gearshift mechanism of claim 11, wherein the driver is disposed on a side of the housing adjacent the mounting bracket or on a side of the housing facing away from the mounting bracket.

13. A drive arrangement comprising a power source and a variator of any one of claims 1 to 12, the power source being in driving connection with the input rotor.

14. The drive of claim 13, wherein said drive includes a housing and a bracket mounted within said housing, said variator and said power source being secured to said bracket.

15. A drive arrangement according to claim 13, wherein the drive arrangement is usable with a process cup assembly, the drive arrangement having a first mode of operation supported by the housing above the process cup assembly and drivingly connected to a process implement within the process cup; and/or the driving device is provided with a second working mode which is supported below the processing cup assembly through the shell and is in transmission connection with a processing executing piece in the processing executing piece.

16. The drive of claim 13 wherein said power source is a rotating electrical machine having a motor shaft with a drive wheel mounted thereon, said input rotor body having an input wheel disposed on a body portion thereof, said drive wheel being in driving communication with said input wheel, and wherein said drive wheel has a diameter greater than a diameter of said input wheel.

17. A food processor comprising a drive arrangement according to any one of claims 13 to 16 and a processing cup assembly mounted on the drive arrangement, the processing cup assembly including a processing implement, the processing implement being drivingly connected to the mounting bracket.

18. The food processor of claim 17, wherein the food processor has a first operating mode in which the power source drives the processing implement through the speed change mechanism to operate at a speed in the range of 5000rpm to 50000 rpm; and/or

The food processor has a second working mode, and under the second working mode, the power source drives the processing executive component to operate in a rotating speed range smaller than or equal to 2000rpm through the speed change mechanism.

19. An electrical apparatus comprising a power source, an actuator and a variator according to any one of claims 1 to 12, the power source being in driving connection with the actuator via the variator.

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