CN217696247U - Multifunctional food processor capable of opening cover in labor-saving manner - Google Patents

Abstract

The utility model discloses a laborsaving multi-functional food preparation machine uncaps belongs to food preparation machine technical field, including the host computer, smash the cup, motor and machined part, it includes the cup to smash the cup, bowl cover and handle, the machined part is located and is smashed the cup and by motor drive, be equipped with speed change gear between motor and the machined part, speed change gear includes output shaft and first spring, be equipped with closure structure and button between bowl cover and the handle, closure structure locking bowl cover makes the bowl cover exert pressure in first spring through machined part and output shaft, button unblock closure structure makes first spring pass through output shaft and machined part jack-up bowl cover. The purpose of automatically jacking the cup cover can be realized through the matching among the locking structure, the button, the machined part and the speed change device, the cover opening difficulty of the cup cover is greatly reduced, and the use experience of a user is favorably improved.

Description

Multifunctional food processor capable of opening cover in labor-saving manner

Technical Field

The utility model relates to a food preparation machine technical field especially relates to a laborsaving multi-functional food preparation machine uncaps.

Background

Nowadays, food processing machines such as food processors, juicers, and soymilk makers are increasingly popular among consumers as new and upgraded consumer products in kitchen appliances. The existing food processor generally comprises a main machine and a processing cup, wherein a motor is arranged in the main machine, a crushing cutter is arranged in the processing cup, and the motor drives the crushing cutter to rotate so as to achieve the processing purposes of cutting and crushing materials. In order to ensure that the processing cup of the food processor can keep stable structure when being processed, a multi-position turn-buckle matching structure is generally adopted between the cup cover and the cup body of the processing cup, a user needs to align the turn-buckle when covering the cup cover on the cup body, and then the cup cover is rotated to be buckled with the cup body. Because the spiral-lock cooperation structure between bowl cover and the cup adopts the tight fit in order to prevent the pine to take off usually, the user is comparatively arduous when revolving the bowl cover soon, is unfavorable for improving user's use and experiences.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects existing in the prior art, the utility model provides a multifunctional food processor with labor saving and cover opening, which utilizes a first spring of a speed change gear to jack up the cup cover automatically when a button is unlocked and locked.

In order to realize above-mentioned technical purpose, the utility model provides a pair of laborsaving multi-functional food preparation machine uncaps, including host computer, crushing cup, motor and machined part, crushing cup includes the cup, is used for the lid to close the bowl cover of cup and locates the outside handle of cup, and the machined part is located and is smashed the cup and by motor drive, be equipped with speed change gear between motor and the machined part, speed change gear is including the output shaft that is used for driving the machined part and contact in the first spring of output shaft, is equipped with the closure structure of locking bowl cover and is used for unblock closure structure's button between bowl cover and the handle, and closure structure locking bowl cover makes the bowl cover exert pressure in first spring through machined part and output shaft, and button unblock closure structure makes first spring pass through output shaft and machined part jack-up bowl cover.

Preferably, the locking structure comprises a first buckle arranged on the cup cover and a second buckle arranged in the handle, and the first buckle is inserted into the handle and is buckled with the second buckle to lock the cup cover.

Preferably, the second buckle is connected to the button, and a second spring which is in contact with the button and pushes the second buckle against the first buckle is arranged in the handle.

Preferably, the cup cover is provided with a lug protruding outwards, and the first buckle is arranged at the bottom of the lug; and/or the top wall of the handle is provided with a through groove for inserting the first buckle.

Preferably, be equipped with the fore-set in the handle and contact in the third spring of fore-set, support when the bowl cover is locked by the locking structure and press the fore-set and make the third spring atress compress, the third spring drives the fore-set and shifts up and jack-up bowl cover when button unblock locking structure.

Preferably, the machined part includes transmission shaft and processing unit, and the processing unit is equipped with the fixture block including dismantling the cover and locating the outside axle sleeve of transmission shaft on the inner wall of axle sleeve, be equipped with the draw-in groove that supplies the fixture block card to go into on the outer wall of transmission shaft, is equipped with between fixture block and the draw-in groove and prevents moving back the structure.

Preferably, the draw-in groove is including the direction section and the block section that communicate each other and be angle setting, prevents moving back the structure including locating the spacing arch that is arranged in the block section with the fixture block on the draw-in groove inner wall.

Preferably, the anti-withdrawal structure comprises a limiting groove formed in the clamping block, and an inclined plane which is located between the guide section and the clamping section and used for guiding the clamping block to enable the limiting protrusion to be matched with the limiting groove is formed in the inner wall of the clamping groove.

Preferably, the top end of the transmission shaft is provided with a positioning column, and the cup cover is provided with a positioning hole or a positioning bearing for inserting the positioning column.

Preferably, the speed changing device comprises an input shaft and a transmission structure, the input shaft is driven by a motor, the transmission structure is arranged between the input shaft and the output shaft, the transmission structure comprises a first output piece and a second output piece which are different in rotating speed and distributed up and down, the output shaft is provided with a first position in transmission fit with the first output piece and a second position in transmission fit with the second output piece, and the first spring is arranged at the lower end of the output shaft and is in a compression state.

After the technical scheme is adopted, the utility model has the advantages of as follows:

1. the utility model provides a food preparation machine adds between motor and the machined part and has established speed change gear, because the rotational speed of output shaft is adjustable among the speed change gear, and the rotational speed of each machined part of output shaft drive is different, can make food preparation machine satisfy the rotational speed requirement of different food processing modes, is favorable to rationally expanding food preparation machine's processing function. When the cup cover covers the cup body, the cup cover is locked by the locking structure to keep the cup cover fixed relative to the cup body, and the cup cover simultaneously exerts pressure on the first spring through the machined part and the output shaft to enable the first spring to deform under stress. When the button unlocks the locking structure, the first spring which recovers deformation jacks up the cup cover through the output shaft and the workpiece, so that the cup cover is separated from the cup body. The purpose of automatically jacking the cup cover can be realized through the cooperation between the locking structure, the button, the machined part and the speed change device, the cover opening difficulty of the cup cover is greatly reduced, and the use experience of a user is favorably improved.

2. The locking structure adopts a structure that a first buckle is matched with a second buckle, when the cup cover covers the cup body, the first buckle on the cup cover is inserted into the handle and buckled with the second buckle, and the cup cover is locked on the cup body. The operation difficulty when the user closes the cup cover is greatly reduced, and the use experience of the user is improved.

3. The second buckle is connected to the button, and the button drives the second buckle synchronous motion when being pressed to remove to make the second buckle break away from first buckle and realize the purpose of unblock locking structure through pressing the button when uncapping. The second spring supports the second buckle to the first buckle, so that the second buckle is kept at the position buckled with the first buckle, the buckling stability between the second buckle and the first buckle can be improved, and the stability of the cup cover when the cup body is covered is improved.

4. The bottom of lug is located to first buckle, rationally sets up the position that sets up of first buckle, makes it can insert in the handle downwards smoothly when closing the bowl cover. The roof of handle sets up logical groove, and when the lid closed the bowl cover, first buckle on the bowl cover inserts in the handle and the smooth lock of second buckle from leading to groove department.

5. When the cup cover is locked by the locking structure, the cup cover abuts against the top column to enable the third spring to be stressed and compressed. When the button unlocks the locking structure, the deformed third spring drives the ejection column to move upwards, and the upward-moving ejection column jacks up the cup cover. The acting force of uncapping that the cooperation increase bowl cover through third spring and fore-set received when uncapping further reduces the degree of difficulty of uncapping of bowl cover, is favorable to further improving user's use and experiences.

6. Set up between the fixture block on the axle sleeve inner wall of processing unit and the draw-in groove on the transmission shaft outer wall and prevent moving back the structure, prevent through preventing moving back the condition that the processing unit takes place to loosen for the transmission shaft in the course of working, make the processing unit can rotate with the processing axle synchronous and realize the food processing purpose smoothly in the course of working.

7. When the processing unit is sleeved outside the transmission shaft, the clamping block on the inner wall of the shaft sleeve enters the clamping section through the guide section, and the limiting bulge on the inner wall of the clamping groove limits the clamping block in the clamping section. The concrete structure of structure is prevented moving back in reasonable setting, avoids the fixture block to break away from the block section when the machined part rotates, satisfies the requirement of moving back of preventing of processing unit.

8. The clamping block is provided with a limiting groove, and when the processing unit is sleeved outside the transmission shaft, the clamping block on the inner wall of the shaft sleeve enters the clamping section through the guide section and the inclined plane and enables the limiting protrusion to be matched with the limiting groove. The anti-retreat effect between the processing unit and the transmission shaft can be further improved through the matching of the limiting protrusion and the limiting groove, and the anti-retreat requirement of the processing unit is better met.

9. When the cup cover covers the cup body, the positioning column at the top end of the transmission shaft is inserted into the positioning hole or the positioning bearing on the cup cover, so that the top end of a machined part is positioned in the machining process, the rotation stability of the machined part is improved, and the machining effect is improved, and the working noise of the machine body is reasonably reduced.

10. The transmission structure of the speed change device is provided with two output members which have different rotating speeds and are distributed up and down, the first position of the output shaft in transmission fit with the first output member and the second position of the output shaft in transmission fit with the second output member have different output rotating speeds, the rotating speed output range of the speed change device can be reasonably expanded, and the rotating speed requirements of different processing modes can be met.

Drawings

FIG. 1 is a diagram of a multi-functional food processor according to an embodiment;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is an exploded view of some components of a multi-function food processor according to an embodiment;

FIG. 4 is a block diagram of a transmission in a multi-function food processor according to an embodiment;

FIG. 5 is an exploded view of a transmission in a multi-function food processor according to an embodiment;

FIG. 6 is an exploded view of a workpiece in the multi-functional food processor according to the embodiment;

FIG. 7 is an exploded view of some of the components of the multi-function food processor of the second embodiment;

FIG. 8 is an exploded view of the workpiece in the multifunctional food processor according to the third embodiment.

In the figure, 100-a main machine, 200-a grinding cup, 210-a cup body, 220-a cup cover, 221-a lug, 222-a positioning hole, 230-a handle, 231-a through groove, 232-a mounting hole, 233-a through hole, 240-a button, 251-a first buckle, 252-a second buckle, 260-a second spring, 270-a cup shell, 280-a top column, 290-a third spring, 300-a motor, 400-a processing piece, 410-a transmission shaft, 411-a clamping groove, 411 a-a guide section, 411 b-a clamping section, 420-a processing unit, 421-a shaft sleeve, 422-a stirring rod, 423-a clamping block, 424-a grinding knife, 431-a limiting protrusion and 432-a limiting groove, 433-bevel, 440-positioning post, 450-top block, 500-gear, 510-gearbox, 511-upper box, 512-lower box, 513-boss, 520-input shaft, 530-output shaft, 531-first tooth profile, 532-second tooth profile, 540-first spring, 551-sun gear, 5511-internal tooth profile, 552-planet gear, 552 a-lower gear, 552 b-upper gear, 553-upper planet carrier, 554-lower planet carrier, 555-driving sleeve, 556-fulcrum, 557-internal gear ring, 560-driving head, 610-upper driving joint, 620-lower driving joint.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments. It is to be understood that the following terms "upper," "lower," "left," "right," "longitudinal," "lateral," "inner," "outer," "vertical," "horizontal," "top," "bottom," and the like are used in an orientation or positional relationship relative to one another only as illustrated in the accompanying drawings and are used merely for convenience in describing and simplifying the invention, and do not indicate or imply that the device/component so referred to must have a particular orientation or be constructed and operated in a particular orientation and therefore should not be considered as limiting the invention.

Example one

As shown in fig. 1 to 6, the embodiment of the present invention provides a multifunctional food processor with labor saving function, which comprises a main machine 100, a crushing cup 200, a motor 300 and a processing member 400, wherein the crushing cup 200 comprises a cup 210, a cup cover 220 for covering the cup 210 and a handle 230 arranged outside the cup 210, and the processing member 400 is arranged in the crushing cup 200 and driven by the motor 300. A speed change device 500 is arranged between the motor 300 and the workpiece 400, the speed change device 500 comprises an output shaft 530 for driving the workpiece 400 and a first spring 540 contacting the output shaft 530, and a locking structure for locking the cup cover 220 and a button 240 for unlocking the locking structure are arranged between the cup cover 220 and the handle 230. The lock locks the cap 220 such that the cap 220 is pressed against the first spring 540 by the workpiece 400 and the output shaft 530, and the button 240 unlocks the lock such that the first spring 540 lifts the cap 220 by the output shaft 530 and the workpiece 400.

The speed change device is additionally arranged between the motor and the processed parts, and the rotating speed of the output shaft in the speed change device can be adjusted, so that the rotating speed of each processed part driven by the output shaft is different, the food processing machine can meet the rotating speed requirements of different food processing modes, and the processing function of the food processing machine can be reasonably expanded. When the cup cover covers the cup body, the cup cover is locked by the locking structure to keep the cup cover fixed relative to the cup body, and the cup cover simultaneously exerts pressure on the first spring through the machined part and the output shaft to enable the first spring to be stressed and deformed. When the button unlocks the locking structure, the first spring which recovers deformation jacks up the cup cover through the output shaft and the workpiece, so that the cup cover is separated from the cup body. The purpose of automatically jacking the cup cover can be realized through the matching among the locking structure, the button, the machined part and the speed change device, the cover opening difficulty of the cup cover is greatly reduced, and the use experience of a user is favorably improved.

Referring to fig. 2 and 3, in the present embodiment, the locking structure includes a first latch 251 disposed on the cap 220 and a second latch 252 disposed in the handle 230, and the first latch 251 is inserted into the handle 230 and is latched with the second latch 252 to lock the cap 220. Specifically, the cup cover 220 is circumferentially provided with a lug 221 protruding outward, and the first buckle 251 is disposed at the bottom of the lug 221. The second latch 252 is connected to the button 240, a second spring 260 contacting the button 240 and urging the second latch 252 against the first latch 251 is provided in the handle 230, and a through groove 231 into which the first latch 251 is inserted is provided in a top wall of the handle 230. When the lid 220 is closed, the first buckle 251 is inserted into the handle 230 from the through groove 231, and the second buckle 252 is vertically buckled with the first buckle 251, so that the lid 220 is subjected to vertical acting force.

The handle 230 has a mounting hole 232 for mounting a button 240 on a sidewall thereof, and the button 240 is inserted into the mounting hole 232 and can move back and forth along a radial direction of the cup 210 within a certain range of travel. The second latch 252 is preferably integrally formed with the button 240, and one end of the second spring 260 abuts against the inner wall of the handle 230 to achieve a positioning configuration, and the other end abuts against the button 240. When button 240 is pressed to disengage second catch 252 from first catch 251, second spring 260 is forced to deform.

Referring to fig. 1, in the present embodiment, the grinding cup 200 further includes a cup shell 270 sleeved outside the cup body 210, the cup body 210 and the speed changing device 500 are disposed in the cup shell 270, and the speed changing device 500 is located at the bottom of the cup body 210. The cup body 210 and the cup shell 270 are preferably of a structure with an inner steel and an outer plastic, that is, the cup body 210 is a metal cup body, the cup shell 270 is a plastic cup shell, and the handle 230 is preferably integrated with the cup shell 270. In order to ensure the stability of the cup cover 220 covering the cup 210, a turn-buckle structure is arranged between the cup cover 220 and the cup shell 270, and the turn-buckle structure is diagonally arranged with the locking structure. The upper portion of the transmission 500 extends into the cup 210, and waterproof sealing structures are arranged between the cup 210 and the cup shell 270, between the cup 210 and the transmission 500, and inside the transmission 500.

The speed changing device 500 includes an input shaft 520 and a transmission structure, the input shaft 520 is driven by the motor 300, the transmission structure is disposed between the input shaft 520 and the output shaft 530, the transmission structure includes a first output member and a second output member which have different rotation speeds and are distributed up and down, the output shaft 530 has a first position in transmission fit with the first output member and a second position in transmission fit with the second output member, and a first spring 540 is disposed at a lower end of the output shaft 530 and is in a compressed state.

With reference to fig. 4 and 5, the transmission 500 further includes a transmission case 510, the transmission case 510 includes an upper case 511 and a lower case 512 fixed together to form a cavity, the input shaft 520 is rotatably mounted on the lower case 512 through a bearing, and a lower end of the input shaft 520 extends out of the transmission case 510 and is sleeved with an upper transmission joint 610. The motor 300 is preferably disposed in the main unit 100, a rotating shaft sleeve of the motor 300 is provided with a lower transmission joint 620 detachably engaged with the upper transmission joint 610, and the rotating shaft of the motor 300 drives the input shaft 520 to rotate through the engagement of the lower transmission joint 620 and the upper transmission joint 610.

The transmission structure preferably adopts a planetary gear transmission structure and comprises a sun gear 551, a planetary gear 552, a planetary carrier, an annular gear 557 and a transmission sleeve 555, wherein the sun gear 551 is sleeved at the top end of the input shaft 520, the planetary carrier comprises an upper planetary carrier 553 and a lower planetary carrier 554 which are distributed up and down, the planetary gear 552 is erected between the upper planetary carrier 553 and the lower planetary carrier 554 through a support shaft 556, the top end of the support shaft 556 is inserted on the upper planetary carrier 553, and the bottom end of the support shaft 556 is inserted on the lower planetary carrier 554. The planetary gear 552 includes a lower gear portion 552a and an upper gear portion 552b that are vertically arranged, an outer diameter of the lower gear portion 552a is larger than an outer diameter of the upper gear portion 552b, the lower gear portion 552a is externally engaged with the sun gear 551, and the upper gear portion 552b is internally engaged with the ring gear 557. The inner gear ring 557 is provided on the inner wall of the upper case 511, and the inner gear ring 557 is preferably integrally formed with the upper case 511. The transmission sleeve 555 is fixed on the upper planet carrier 553 and is positioned outside the output shaft 530, the transmission sleeve 555 and the sun gear 551 are distributed up and down, and the axial leads of the transmission sleeve 555 and the sun gear 551 are overlapped. The upper box body 511 is provided with a hollow boss 513 protruding upwards, the output shaft 530 is rotatably erected at the boss 513 through a bearing, the output shaft 530 can move up and down relative to the boss 513, the top end of the output shaft 530 extends upwards out of the boss 513 and is sleeved with a transmission head 560, and the upper portion of the transmission sleeve 555 is located in the boss 513. When the machine body works, the rotating shaft of the motor 300 drives the input shaft 520 to rotate through the lower transmission joint 620 and the upper transmission joint 610, the input shaft 520 drives the sun gear 551 to rotate, the sun gear 551 drives the planet carrier to rotate through the planet gears 552, the planet carrier drives the transmission sleeve 555 to rotate, and the rotating speed of the transmission sleeve 555 is lower than that of the sun gear 551.

In this embodiment, the sun gear 551 is used as the first output member of the transmission structure, and the transmission case 555 is used as the second output member of the transmission structure. When the output shaft 530 is at the first position, the sun gear 551 drives the workpiece 400 to rotate at a high speed, and the output shaft 530 can drive the workpiece to rotate at a high speed, so that the requirements of wall breaking, dry grinding and other food processing are met. When the output shaft 530 is at the second position, the transmission sleeve 555 drives the workpiece 400 to rotate at a low speed, and the output shaft 530 can drive the workpiece 400 to rotate at a low speed, so that the requirements of food processing such as meat grinding, shredding, slicing and the like are met.

Referring to fig. 5, for the purpose of the output shaft 530 being capable of being in transmission fit with the sun gear 551 and in transmission fit with the transmission sleeve 555, the output shaft 530 is provided with a first tooth-shaped portion 531 in transmission fit with the sun gear 551 and a second tooth-shaped portion 532 in transmission fit with the transmission sleeve 555, and the first tooth-shaped portion 531 is located below the second tooth-shaped portion 532. The sun gear 551 is provided with an internal tooth hole 5511 engaged with the first toothed portion 531, and the inner wall of the driving sleeve 555 is provided with driving teeth engaged with the second toothed portion 532. The first spring 540 is sleeved at the lower end of the output shaft 530, the lower end of the first spring 540 extends into the inner toothed hole 5511 and abuts against the top surface of the input shaft 520 to realize positioning, and the upper end of the first spring 540 contacts with the bottom surface of the first toothed portion 531 to realize contact with the output shaft 530.

Referring to fig. 6, the machining member 400 includes a transmission shaft 410 and a machining unit 420, the machining unit 420 includes a shaft sleeve 421 detachably sleeved outside the transmission shaft 410, a clamping block 423 is disposed on an inner wall of the shaft sleeve 421, a clamping groove 411 for the clamping block 423 to be clamped into is disposed on an outer wall of the transmission shaft 410, and an anti-retreating structure is disposed between the clamping block 423 and the clamping groove 411. In this embodiment, the processing unit 420 includes the stirring rod 422 that is fixed in the outside of axle sleeve 421, and the draw-in groove 411 includes the direction section 411a and the block section 411b that communicate each other and be the angle setting, prevents moving back the structure including locating the spacing arch 431 that is arranged in spacing block 423 in block section 411b on the draw-in groove 411 inner wall. Specifically, the guide section 411a and the engaging section 411b are disposed substantially at a right angle, the limiting protrusion 431 is preferably disposed at an inner side of a joint between the guide section 411a and the engaging section 411b, when the processing unit 420 is sleeved outside the transmission shaft 410, the fixture block 423 on the inner wall of the shaft sleeve 421 enters the engaging section 411b through the guide section 411a, and the limiting protrusion 431 limits the fixture block 423 in the engaging section 411b, so as to prevent the fixture block 423 from being separated from the engaging section 411b when the workpiece 400 rotates.

In order to improve the axial stability and the radial stability of the workpiece 400 during operation, the top end of the transmission shaft 410 is provided with a positioning column 440, and the bottom surface of the cup cover 220 is provided with a positioning hole 222 for inserting the positioning column 440. When the cup cover 220 covers the cup body 210, the positioning column 440 at the top end of the transmission shaft 410 is inserted into the positioning hole 222 on the cup cover 220, so that the top end of the workpiece 400 is positioned in the machining process, the rotation stability of the workpiece 400 is improved, the machining effect is improved, and the working noise of the machine body is reasonably reduced.

In order to enable the workpiece 400 to be matched with the speed changing device 500 to achieve the purpose of different output rotating speeds, the pushing blocks 450 which are abutted against the transmission head 560 are arranged inside the transmission shaft 410, and when the workpiece 400 is matched with the speed changing device 500, the pushing blocks 450 are abutted against the transmission head 560 to enable the first tooth-shaped portion 531 of the output shaft 530 to be in transmission matching with the sun gear 551 or enable the second tooth-shaped portion 532 to be matched with the transmission sleeve 555. In this embodiment, the workpieces 400 are provided in plurality, and the height of the top block 450 in the drive shaft 410 of each workpiece 400 is determined according to each processing unit 420. If the processing unit 420 performs fast processing on the material, the top block 450 is located at a lower position so that the output shaft 530 is located at a first position when the workpiece 400 is driven. If the processing unit 420 is performing slow processing on the material, the top block 450 is located at a higher position so that the output shaft 530 is located at a second position when the workpiece 400 is driven.

When the cup is used, the corresponding workpiece 400 is selected according to the use requirement, the workpiece 400 is put into the crushing cup 200 and matched with the speed change device 500, materials are added into the cup body 210, and then the cup cover 220 is covered. When the lid 220 is closed, the lid 220 is rotated to fasten the fastening structure in place, and then a downward force is applied to the lid 220 to insert the first fastener 251 into the handle 230 from the through slot 231 and fasten the first fastener 252, the positioning post 440 is inserted into the positioning hole 222, the lid 220 abuts against the workpiece 400, and the workpiece 400 is pressed to drive the output shaft 530 to move downward to compress the first spring 540 under force.

When the cover needs to be opened after the work is finished, the button 240 is pressed to enable the second buckle 252 to be separated from the first buckle 251, the pressure of the cup cover 220 on the workpiece 400 is relieved, the deformed first spring 540 drives the output shaft 530 to move upwards and reset, the output shaft 530 drives the workpiece 400 to move upwards, and the cup cover 220 is jacked upwards by the workpiece 400.

It will be appreciated that second catch 252 may be separately formed and secured to button 240.

It will be appreciated that the inner cup 210 may be formed from a suitable metal such as stainless steel.

It is understood that the cup 210 may also be a single-layer cup, and in this case, the cup holder assembly is disposed at the bottom of the cup 210, and the transmission 500 may be disposed in the cup holder assembly.

It is understood that the handle 230 and the cup shell 270 may be integrally formed, or may be separately formed and then fixed together.

It can be understood that the screw structure between the cup cover 220 and the cup shell 270 adopts a screw and a screw groove which are in clearance fit, the screw is arranged on the outer wall of the top end of the cup shell 270, and the screw groove is arranged at the circumferential outer edge of the cup cover 220.

It is understood that the annular gear 557 may be separately formed and then secured within the transmission case 510.

It should be understood that the components of the processing unit 420 fixed to the outside of the sleeve 421 are not limited to the stirring rod 422 described above or shown in the drawings, and may be configured as a crushing blade, a slicer, a shredder, or other appropriate structures.

It is understood that the processing unit 420 and the driving shaft 410 may be directly fixed together.

It will be appreciated that the provision of first and second toothed portions 531, 532 on output shaft 530 may be eliminated, and that output shaft 530 may be provided with only one toothed portion which drivingly engages sun gear 551 when output shaft 530 is in the first position and drivingly engages drive sleeve 555 when output shaft 530 is in the second position.

It is understood that the workpiece 400 may have a structure in which a plurality of processing units 420 are disposed on one transmission shaft 410, and the sleeve 421 of each processing unit 420 is provided with a different processing structure, in order to reduce costs. At this time, in order to match the rotation speed of the output shaft 530 with the processing unit 420, a positioning block is provided on the inner wall of the sleeve 421, which can be extended into the transmission shaft 410 to vertically position the top block 450. When the processing unit 420 is sleeved outside the transmission shaft 410, the positioning block abuts against the top block 450 to determine the height of the top block 450, and when the workpiece 400 is matched with the speed changing device 500, the top block 450 abuts against the transmission head 560 to enable the output shaft 530 to be located at the first position or the second position.

Example two

Referring to fig. 7, a top post 280 and a third spring 290 contacting the top post 280 are disposed in the handle 230. The third spring 290 is forced to compress by pressing against the post 280 when the lid 220 is locked by the locking structure, and the third spring 290 drives the post 280 to move upward to jack up the lid 220 when the button 240 unlocks the locking structure. The cover opening acting force of the cup cover 220 during cover opening is increased through the cooperation of the third spring 290 and the top column 280, and the cover opening difficulty of the cup cover 220 is further reduced.

In this embodiment, the top wall of the handle 230 is provided with a through hole 233 for the top pillar 280 to expose out of the handle 230, the top pillar 280 is inserted into the through hole 233 and can move up and down within a certain range of travel, the bottom end of the third spring 290 abuts against the inner wall of the handle 230 to achieve positioning, and the top end abuts against the top pillar 280. When the lid 220 is closed, the lid 220 abuts against the pillar 280 to move the pillar 280 downward, so that the third spring 290 is compressed under force. When the button 240 unlocks the locking structure, the deformed third spring 290 drives the pillar 280 to move upwards, and the upward pillar 280 jacks up the lid 220.

The other structures of the second embodiment are the same as those of the first embodiment, and are not described in detail here.

It is understood that the specific number of the top post 280 and the springs is not limited to one shown in the drawings, the number of the top post 280 may be set to a reasonable number of two, three, etc., and the number of the third springs 290 is identical to that of the top post 280.

EXAMPLE III

Referring to fig. 8, the anti-receding structure includes a limiting groove 432 formed in the latch 423, and an inclined surface 433 is formed on an inner wall of the latch 411 and located between the guide section 411a and the latching section 411b to guide the latch 423 so that the limiting protrusion 431 is engaged with the limiting groove 432. In this embodiment, the processing unit 420 includes a crushing blade 424 fixed outside the shaft sleeve 421, the limiting groove 432 is substantially L-shaped, and the inclined surface 433 extends from the side of the guiding section 411a to the side of the engaging section 411b. When the processing unit 420 is sleeved outside the transmission shaft 410, the locking block 423 on the inner wall of the shaft sleeve 421 enters the locking section 411b through the guiding section 411a and the inclined plane 433, so that the limiting protrusion 431 is matched with the limiting groove 432. The anti-retreat effect between the processing unit 420 and the transmission shaft 410 can be further improved through the matching of the limiting protrusion 431 and the limiting groove 432, and the anti-retreat requirement of the processing unit 420 is better met.

The other structures of the third embodiment are the same as those of the first embodiment, and are not described in detail here.

It is understood that the third embodiment can be combined with the second embodiment.

Example four

In this embodiment, a positioning bearing is disposed on the bottom surface of the cap 220. When the cup cover 220 covers the cup body 210, the positioning column 440 at the top end of the workpiece 400 is inserted into the positioning bearing.

The other structures of the fourth embodiment are the same as those of the first embodiment, and are not described in detail here.

It is understood that the fourth embodiment can be combined with the second and third embodiments separately or together.

In addition to the above preferred embodiments, the present invention has other embodiments, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope defined by the appended claims.

Claims (10)

1. A multifunctional food processor capable of opening a cover in a labor-saving manner comprises a host, a crushing cup, a motor and a machined part, wherein the crushing cup comprises a cup body, a cup cover used for covering the cup body and a handle arranged outside the cup body, the machined part is arranged in the crushing cup and driven by the motor.

2. The multifunctional food processor with the labor-saving uncovering function as claimed in claim 1, wherein the locking structure comprises a first buckle arranged on the cup cover and a second buckle arranged in the handle, and the first buckle is inserted into the handle and buckled with the second buckle to lock the cup cover.

3. The multifunctional food processor with the labor-saving cover opened according to claim 2, characterized in that the second buckle is connected with the button, and a second spring is arranged in the handle, is contacted with the button and pushes the second buckle to the first buckle.

4. The multifunctional food processor with the cover opened for saving labor as claimed in claim 2, wherein the cup cover is provided with a lug protruding outwards, and the first buckle is arranged at the bottom of the lug; and/or the top wall of the handle is provided with a through groove for inserting the first buckle.

5. The multifunctional food processor with a labor-saving cover opening function as claimed in claim 1, wherein a top column and a third spring in contact with the top column are arranged in the handle, the cup cover is pressed against the top column when locked by the locking structure to enable the third spring to be stressed and compressed, and the third spring drives the top column to move upwards to jack the cup cover when the button unlocks the locking structure.

6. The multifunctional food processor with the labor-saving uncovering function as claimed in claim 1, wherein the processing part comprises a transmission shaft and a processing unit, the processing unit comprises a shaft sleeve detachably sleeved outside the transmission shaft, a clamping block is arranged on the inner wall of the shaft sleeve, a clamping groove for the clamping block to be clamped is arranged on the outer wall of the transmission shaft, and a retreat-preventing structure is arranged between the clamping block and the clamping groove.

7. The multifunctional food processor with the labor-saving uncovering function as claimed in claim 6, wherein the clamping groove comprises a guide section and a clamping section which are communicated with each other and arranged at an angle, and the anti-withdrawing structure comprises a limiting protrusion which is arranged on the inner wall of the clamping groove and used for limiting the clamping block in the clamping section.

8. The multifunctional food processor with a labor-saving uncovering function as claimed in claim 7, wherein the anti-retreating structure comprises a limiting groove arranged on the clamping block, and an inclined surface which is arranged between the guide section and the clamping section and used for guiding the clamping block to enable the limiting protrusion to be matched with the limiting groove is arranged on the inner wall of the clamping groove.

9. The multifunctional food processor with the labor-saving uncovering function as claimed in claim 6, wherein a positioning column is arranged at the top end of the transmission shaft, and a positioning hole or a positioning bearing for the positioning column to insert is arranged on the cup cover.

10. A multifunctional food processor with a labor-saving uncovering function as claimed in claim 1, wherein the speed changing device comprises an input shaft and a transmission structure, the input shaft is driven by a motor, the transmission structure is arranged between the input shaft and the output shaft, the transmission structure comprises a first output member and a second output member which have different rotating speeds and are distributed up and down, the output shaft is provided with a first position in transmission fit with the first output member and a second position in transmission fit with the second output member, and the first spring is arranged at the lower end of the output shaft and is in a compressed state.

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