CN108245044B

CN108245044B - Stirring rod assembly and food processor with same

Info

Publication number: CN108245044B
Application number: CN201611249895.8A
Authority: CN
Inventors: 周忠建; 唐路蒙
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2016-12-29
Filing date: 2016-12-29
Publication date: 2023-07-14
Anticipated expiration: 2036-12-29
Also published as: CN108245044A

Abstract

The invention provides a stirring rod assembly and a food processor with the same. The stirring rod assembly is applied to the food processor, and comprises a stirring rod cup which can extend into the food processor and a baffle assembly which is arranged on the stirring rod and positioned in the stirring cup of the food processor, wherein the baffle assembly comprises a baffle plate block, the baffle plate block can be overturned to be arranged on the stirring rod, the baffle assembly has a shielding position which enables the baffle plate block to be unfolded to be perpendicular or inclined to the stirring rod, and a plate surface of the baffle plate block is contracted to be close to a collecting and placing position which is close to the stirring rod. According to the stirring rod assembly and the food processor with the stirring rod assembly, food materials in the stirring cup can be stirred, so that the crushing cutter set can crush the food materials rapidly, the baffle assembly can seal the food materials in the stirring cup at the bottom of the stirring cup, the food materials in the stirring cup can be controlled in a small space, the crushing cutter set can crush the food materials rapidly, and further the function of the stirring rod assembly can be increased.

Description

Stirring rod assembly and food processor with same

Technical Field

The invention relates to the technical field of household appliances, in particular to a stirring rod assembly and a food processor with the stirring rod assembly.

Background

The Food processor (English: food machine) is a multifunctional machine integrating the functions of beating soybean milk, grinding dry powder, squeezing juice, beating meat stuffing, planing ice, preparing beauty mask for female, and the like.

In general, the cooking machine includes frame, driving motor, control circuit board, smash knife tackle, stirring cup and bowl cover subassembly isotructure, and in the installation, driving motor and control short circuit board all set up on the frame, smash knife tackle installs in the bottom of stirring cup. The cup cover component is covered on the stirring cup. When the stirring cup is used, the stirring cup is arranged on the machine base, the driving motor is in driving connection with the crushing cutter set at the bottom of the stirring cup, then the driving motor is started under the control action of the control circuit board, and the crushing cutter set is driven to rotate by the rotation of the driving motor, so that food materials in the stirring cup are crushed and stirred.

In addition, still be provided with the stirring rod in the current cooking machine, set up a through-hole on the current bowl cover subassembly, during the use, insert the stirring rod and establish in this through-hole to in its stirring rod extends to the stirring cup, stir the food in the stirring cup, make the food can be smashed the knife tackle and carry out quick crushing.

However, the existing stirring rod only has the function of stirring food materials in the stirring cup, and in the using process, the phenomenon that the food materials in the stirring cup overflow easily occurs due to the through holes arranged on the cup cover assembly.

Disclosure of Invention

The invention mainly aims to provide a stirring rod assembly and a food processor with the stirring rod assembly, so as to solve the problem of single function of a stirring rod in the prior art.

In order to achieve the above object, according to one aspect of the present invention, there is provided a stirring rod assembly for use in a food processor, the stirring rod assembly including a stirring rod cup which can extend into the food processor and a baffle assembly disposed on the stirring rod and located in the stirring cup of the food processor, wherein the baffle assembly includes a baffle plate which is disposed on the stirring rod in a reversible manner, the baffle assembly having a shielding position in which the baffle plate is unfolded to be perpendicular or inclined to the stirring rod, and a retracting position in which a plate surface of the baffle plate is retracted to be abutted against the stirring rod.

Further, be provided with the exhaust hole on the stirring rod, the exhaust hole is the blind hole that upwards extends from the bottom of stirring rod, and the side of stirring rod is provided with the gas vent with blind hole intercommunication.

Further, the stirring rod assembly further comprises a driving device, and the driving device is arranged on the stirring rod and is in driving connection with the baffle assembly so as to enable the baffle assembly to be switched between a shielding position and a retraction position.

Further, the first end of the baffle block is rotatably arranged on the stirring rod, a threaded hole is formed in the stirring rod, and the threaded hole extends downwards from the top end of the stirring rod; the driving device includes: the driving screw is arranged in the threaded hole; the first end of the hinge rod is slidably hinged to the bottom end of the driving screw along the circumferential direction of the driving screw, and the second end of the hinge rod is hinged to one end, far away from the stirring rod, of the baffle block; when the driving screw rod rotates and moves up and down in the threaded hole, the baffle plate assembly is switched between the shielding position and the retraction position.

Further, the periphery of the bottom end of the driving screw is provided with an annular chute, a sliding block is arranged in the annular chute, and the first end of the hinging rod is hinged on the sliding block.

Further, the stirring rod is provided with a yielding hole for avoiding the hinged rod.

Further, the first end of the baffle block is rotatably arranged on the stirring rod through the rotating shaft, the driving device comprises a micro motor, the micro motor is in driving connection with the rotating shaft, and the baffle assembly is driven to switch between the shielding position and the retraction position when the micro motor is in forward rotation and reverse rotation.

Further, a button is arranged at the top end of the stirring rod and is electrically connected with the micro motor to control the micro motor to be started or stopped.

Further, the baffle blocks are two, and the two baffle blocks are all semicircle blocks.

Further, the stirring rod is provided with a cuboid section, the number of baffle blocks is four, and the four baffle blocks are arranged on four sides of the cuboid section in a one-to-one correspondence.

Further, the stirring rod is provided with an annular stop outer flange, and the distance between the annular stop outer flange and the top end of the stirring rod is greater than 5mm.

Further, the stirring rod is provided with a buckle, and the buckle is positioned at the bottom of the outer flange of the annular stop.

Further, the baffle plate is provided with one or more through holes.

Further, the stirring rod is provided with one or more turbulence gaps.

According to another aspect of the invention, a food processor is provided, which comprises a stirring rod assembly, wherein the stirring rod assembly is the stirring rod assembly.

Further, the cooking machine further comprises a stirring cup and a cup cover assembly buckled on the stirring cup, a mounting hole for mounting a stirring rod of the stirring rod assembly is formed in the stirring cup, and a clamping groove connected with the clamping groove in a matched mode is formed in the inner wall of the mounting hole.

Further, a sealing ring for preventing the liquid in the stirring cup from overflowing is arranged between the outer flange of the annular stop on the stirring rod and the cup cover assembly.

Further, clearance fit is arranged between the stirring rod and the mounting hole, and the upper end of the mounting hole is of a funnel-shaped structure.

Further, the food processor further comprises a crushing cutter group, and the minimum distance from the bottom end of the stirring rod to the top end of the crushing cutter group is greater than 5mm.

Further, a minimum distance between an outer edge of the baffle block on the agitator bar assembly and an inner wall of the agitator cup is greater than 2mm.

By applying the technical scheme of the invention, the stirring rod assembly further comprises a baffle assembly, wherein the baffle assembly comprises a plurality of baffle plates, and the baffle plates are arranged around the periphery of the stirring rod in a turnover manner. When the baffle plate assembly works, the baffle plate assembly is provided with a shielding position for enabling the plurality of baffle plates to be unfolded to be perpendicular to or inclined to the stirring rod, and a retracting position for enabling the plate surfaces of the plurality of baffle plates to be retracted to be abutted against the stirring rod. In the working process of the food processor, through the action of the stirring rod assembly, food materials in the stirring cup can be stirred, so that the crushing cutter group can crush the food materials rapidly.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

fig. 1 schematically shows an exploded view of a food processor of the present invention;

fig. 2 schematically shows a first cross-sectional view of the food processor of the present invention;

fig. 3 schematically shows a second cross-sectional view of the food processor of the present invention;

fig. 4 schematically illustrates a front view of the food processor of the present invention;

FIG. 5 schematically illustrates a perspective view of the stirring rod of the present invention in a stirring cup;

FIG. 6 schematically illustrates a cross-sectional view of the agitator bar assembly of the present invention in an agitator cup;

FIG. 7 schematically illustrates a perspective view of the baffle assembly of the first embodiment of the agitator bar assembly of the present invention in a retracted position;

FIG. 8 schematically illustrates a perspective view of the baffle assembly of the first embodiment of the agitator bar assembly of the present invention in a semi-open position;

FIG. 9 schematically illustrates a perspective view of the baffle assembly of the first embodiment of the agitator bar assembly of the present invention in an extended state;

FIG. 10 schematically illustrates a top view of a first embodiment of the agitator bar assembly of the present invention installed in an agitator cup;

FIG. 11 schematically illustrates a second exploded view of the stirring rod and lid assembly of the present invention;

FIG. 12 schematically illustrates a perspective view of a baffle assembly of a second embodiment of the agitator bar assembly of the present invention in an extended state; and

fig. 13 schematically illustrates a top view of a second embodiment of the glue stick assembly of the invention installed in a stirring stick assembly.

Wherein the above figures include the following reference numerals:

10. a stirring rod; 11. an exhaust port; 12. an annular stop outer flange; 13. a buckle; 14. turbulence notch; 15. a relief hole; 20. a baffle assembly; 21. a baffle plate; 22. a through hole; 30. a driving device; 31. a screw; 32. a button; 40. a cup holder; 50. a base; 60. a driving motor; 70. a heating assembly; 80. a stirring cup; 90. a cup cover assembly; 91. a mounting hole; 911. a funnel-like structure; 92. a clamping groove; 93. a cover body; 94. a bottom sealing ring; 100. a crushing knife group; 110. a seal ring; 120. and a heating disc sealing ring.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be capable of being practiced otherwise than as specifically illustrated and described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Referring to fig. 1 to 13, according to an embodiment of the present invention, there is provided a food processing machine including a base 50, a driving motor 60, a cup holder 40, a heating assembly 70, a stirring cup 80, a crushing cutter set 100, and a cup cover assembly 90.

Wherein, driving motor 60 in this embodiment is installed in frame 50, and driving motor 60's motor shaft stretches out in the upper end of frame 50, stirring cup 80 fixed mounting is on cup holder 40, smash knife tackle 100 install in stirring cup 80 with be used for smashing the food in the stirring cup 80 and stirring bowl cover subassembly 90 buckle closure is in stirring cup 80 for prevent that the solution in the stirring cup 80 from splashing to the outside of stirring cup 80, heating element 70 installs in the bottom of stirring cup 80, and seal through heating disc sealing washer 120, the user can open heating element 70 according to own like and demand and heat the food in the stirring cup 80 in appropriate opportunity.

In operation, the cup holder 40 and the stirring cup 80 which are assembled together are mounted on the machine base 50, and the motor shaft of the driving motor 60 is in driving connection with the crushing cutter set 100, then the driving motor 60 is started, and the driving motor 60 rotates to drive the crushing cutter set 100 to rotate, so that food materials in the stirring cup 80 are crushed and stirred.

The cup cover assembly 90 in this embodiment includes a cover 93 and a bottom sealing ring 94 disposed at the bottom of the cover 93, and is convenient for sealing the cup mouth of the stirring cup 80 through the action of the bottom sealing ring 94, so as to prevent food in the stirring cup 80 from overflowing.

In order to improve the work efficiency of the cooking machine of this embodiment, the cooking machine in this embodiment still includes stirring rod assembly, through stirring rod assembly's effect, not only can stir the food in the stirring cup 80, can also realize multiple functions such as exhaust and pressure bubble.

Specifically, the stirring rod assembly in this embodiment includes a stirring rod 10 that can extend into the food processor, the stirring rod 10 in this embodiment is a rod-shaped structural body, the stirring rod 10 in this embodiment is provided with an exhaust hole, the exhaust hole is a blind hole extending upward from the bottom end of the stirring rod 10, and the side surface of the stirring rod 10 is provided with an exhaust port 11 communicating with the blind hole. In the in-process of cooking machine work, through the effect of stirring rod subassembly of this embodiment, not only can stir the food in the stirring cup 80 for smash knife tackle 100 can smash the food fast, in addition, at the in-process of in-service use, make the gas vent 11 on the stirring rod 10 be located the top of bowl cover subassembly 90, at this moment, through the effect of exhaust hole and gas vent 11 on the stirring rod 10, the food stirring in-process can get rid of the heat through gas vent 11, the top of reducing the food and beating the time is highly washed, and then effectively prevents the emergence of overflow phenomenon.

Referring to fig. 7 to 13, the stirring rod assembly in this embodiment further includes a baffle assembly 20 disposed on the stirring rod 10 and located in a stirring cup 80 of the food processor, where the baffle assembly 20 includes a plurality of baffle plates 21, and the plurality of baffle plates 21 are invertably surrounded on the periphery of the stirring rod 10. In operation, the baffle assembly 20 of the present embodiment has a shielding position (see fig. 9 and 12) in which the multiple baffle plates 21 are unfolded to be perpendicular or inclined to the stirring rod 10, and a retracted position (see fig. 7) in which the plate surfaces of the multiple baffle plates 21 are retracted to abut the stirring rod 10.

Because the stirring rod assembly in this embodiment includes baffle assembly 20, and the polylith baffle plate 21 of this baffle assembly 20 have shelter from the position and receive and release the position, when the in-process of in-service use stirring rod assembly, the polylith baffle plate 21 of baffle assembly 20 is in the expansion position, through the effect of polylith baffle plate 21, can block the food material in stirring cup 80 in the bottom of stirring cup 80, can control the food material in stirring cup 80 in little space, be convenient for smash knife tackle 100 and carry out quick crushing to the food material.

Meanwhile, when the baffle plates 21 of the baffle assembly 20 are in the unfolding position, upward impulsive force of food materials in the stirring cup 80 can be reduced, a bubble pressing function is realized, and overflow phenomenon is further prevented. When the stirring rod assembly is not needed, the baffle plates 21 of the baffle assembly 20 are in the retracted position.

In practical use of the agitator bar assembly of this embodiment, the baffle plate 21 may be completely opened (as shown in fig. 9 and 10), or may be semi-opened (as shown in fig. 8), and in the case of a lot of foam (such as soybean milk), the baffle plate 21 may be opened to break foam and to lower the agitation water level to prevent overflow.

Preferably, the stirring rod 10 in this embodiment is provided with one or more turbulence gaps 14, which is convenient for turbulence of the food material in the stirring cup 80, and improves the crushing efficiency of the crushing cutter set 100 on the food material in the stirring cup 80.

The agitator bar assembly of this embodiment further includes a drive means 30, the drive means 30 being mounted on the agitator bar 10 and being in driving connection with the flapper assembly 20 to switch the flapper assembly 20 between the blocking position and the stowed position.

To drive the shutter assembly 20 between the shielding position and the retracted position, the first end of the shutter block 21 in this embodiment is rotatably mounted to the stirring rod 10, and the stirring rod 10 is provided with a threaded hole (not shown) extending downward from the top end of the stirring rod 10. And the driving device 30 comprises a driving screw 31 and a hinging rod (not shown in the figure), and when the driving device is installed, the driving screw 31 is rotatably installed in the threaded hole; so that the first end of the hinge rod can slide along the circumference of the driving screw 31 and is hinged at the bottom end of the driving screw 31, and the second end of the hinge rod is hinged at one end of the baffle block 21 far away from the stirring rod 10

When the driving screw 31 moves up and down in the threaded hole, the hinge rod is driven to pull up or put down the second end of the baffle plate 21, so that the baffle assembly 20 is switched between the shielding position and the retracted position.

The first end of the hinge rod in this embodiment can slide along the circumferential direction of the driving screw 31 to hinge at the bottom end of the driving screw 31, so as to prevent the hinge rod from breaking when the driving screw 31 moves up and down in a rotating manner.

In order to enable the hinge rod to rotate at the bottom end of the drive screw 31 during the rotation of the drive screw 31, the periphery of the bottom end of the drive screw 31 in this embodiment is provided with an annular chute (not shown in the figure) in which a slider is provided, on which the first end of the hinge rod is hinged. When the driving screw 31 rotates in the threaded hole, the sliding block slides in the annular sliding groove, and the hinge rod is prevented from being broken.

In order to ensure that the hinge rod can smoothly retract or put down the second end of the baffle plate 21, the stirring rod 10 in this embodiment is provided with a yielding hole 15 for avoiding the hinge rod.

In other embodiments of the present invention, the first end of the baffle plate 21 may be rotatably mounted on the stirring rod 10 through a rotating shaft (not shown), and the driving device 30 includes a micro motor (not shown) that is drivingly connected to the rotating shaft, and drives the baffle assembly 20 to switch between the shielding position and the retracted position when the micro motor rotates in forward and reverse directions.

Of course, in other embodiments of the present invention, the driving device may be configured in other structures, such as a link mechanism, and any other modification manner that can switch the shutter assembly 20 between the shielding position and the retracted position is within the scope of the present invention.

For driving the micro motor, the top end of the stirring rod 10 in this embodiment is provided with a button 32 (as shown in fig. 11), and the button 32 is electrically connected to the micro motor to control the micro motor to be turned on or off.

Referring to fig. 7 to 10, in the first embodiment of the present invention, the baffle plates 21 are provided in two blocks, and each of the two baffle plates 21 is a semicircular block.

Referring to fig. 11 and 13, in the second embodiment of the present invention, the stirring rod 10 has a rectangular block, and the baffle plates 21 are provided as rectangular blocks, and four baffle plates 21 are installed on four sides of the rectangular block in a one-to-one correspondence, so as to facilitate the pressing down of the food materials in the stirring cup 80, thereby improving the crushing efficiency of the crushing blade group 100 of the present embodiment.

Of course, in the embodiment of the present invention, the baffle plate 21 may be provided in other shapes, and any other modification forms under the concept of the present invention are within the scope of the present invention.

Preferably, the baffle plate 21 in this embodiment is provided with one or more through holes 22, and the exhaust is facilitated by the action of the through holes 22, and of course, in other embodiments of the present invention, no through holes 22 may be provided.

In order to limit the stirring rod assembly of the present embodiment to the cup cover assembly 90 and prevent the stirring rod assembly from falling into the stirring cup 80, the stirring rod 10 of the present embodiment is provided with an annular stop outer flange 12, and the distance a between the annular stop outer flange 12 and the top end of the stirring rod 10 is greater than 5mm, so that an operator can operate the stirring rod assembly conveniently.

Preferably, the stirring rod 10 in this embodiment is further provided with a buckle 13, and the buckle 13 is located at the bottom of the outer flange 12 of the annular stop, so that the stirring rod assembly is conveniently fixed on the cup cover assembly 90 through the action of the buckle 13.

The cup cover assembly 90 in this embodiment is provided with a mounting hole 91 for mounting the stirring rod 10 of the stirring rod assembly, and when the stirring rod assembly is used, the stirring rod 10 is mounted in the mounting hole 91, and after the stirring function of the stirring rod 10 is completed, in order to fixedly mount the stirring rod 10 in the mounting hole 91, a clamping groove 92 which is matched and connected with a buckle 13 on the stirring rod 10 is formed in the inner wall of the mounting hole 91 in this embodiment.

The action of the catch 13 and the catch groove 92 facilitates the securement of the agitator bar assembly to the cap assembly 90 when the agitator bar 10 is not performing an agitating function.

Preferably, a sealing ring 110 for preventing liquid in the stirring cup 80 from overflowing is arranged between the annular stop outer flange 12 on the stirring rod 10 and the cup cover assembly 90 in the embodiment, when food materials are rushed upwards, the food materials can only pass through the exhaust hole in the middle of the stirring rod 10, and the exhaust port 11 at the upper end of the stirring rod 10 is higher than the top surface of the cup cover assembly 90, so that heat is firstly discharged through the exhaust port 11 in the food material stirring process, the rushing height in the food material stirring process is reduced, and the food materials are prevented from overflowing.

In this embodiment, the stirring rod 10 and the mounting hole 91 are in clearance fit, and the upper end of the mounting hole 91 is in a funnel-shaped structure 911, and under the action of the funnel-shaped structure 911, when the food in the stirring cup 80 is punched up to the top of the mounting hole 91, the upper end is provided with the sealing ring 110 for sealing, so that under the action of the funnel-shaped structure 911, the food which is punched up is convenient to flow back into the stirring cup 80.

Preferably, the minimum distance B from the bottom end of the agitator bar 10 to the top end of the crushing blade set 100 in this embodiment is greater than 5mm, preventing the crushing blade set 100 from damaging the agitator bar assembly during operation.

Preferably, the minimum distance C between the outside edge of the baffle plate 21 and the inner wall of the stirring cup 80 is greater than 2mm when the baffle assembly 20 is in the shielding position, so as to facilitate switching the baffle assembly 20 between the shielding position and the retracted position.

The stirring rod 10 in this embodiment may be assembled with a plurality of structures, or may be a rod-like structure integrally provided.

According to the embodiment, the sealing ring is arranged between the cup cover assembly and the stirring rod assembly of the food processor, when food materials are upwards flushed, the sealing ring can only pass through the air outlet, the height of the air outlet on the stirring rod is higher than the upper end surface of the cup cover assembly, heat is removed through the air outlet line in the food material stirring process, the flushing height of the food materials in stirring is reduced, and the overflow phenomenon is prevented. Meanwhile, the stirring rod is placed in the stirring cup, so that the food materials can be better disturbed and crushed, and the upward impulsive force of the food materials is reduced. The mounting hole on the cup cover component is of a funnel-shaped structure, so that food materials can flow back conveniently. In addition, be provided with baffle subassembly on the stirring rod, let the liquid level position pressure of edible material in the lower extreme of baffle piece, can reduce the dynamics of edible material dashing, can also smash edible material control in little space, smash effectually.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a stirring rod assembly, is applied to on the cooking machine, its characterized in that, stirring rod assembly including can stretch into stirring rod (10) in the cooking machine and set up in just be located baffle assembly (20) in stirring cup (80) of cooking machine on stirring rod (10), wherein, baffle assembly (20) include baffle piece (21), baffle piece (21) can set up with overturning stirring rod (10) on, baffle assembly (20) have and make baffle piece (21) expand to perpendicular or oblique to the shielding position of stirring rod (10), and make the face shrink of baffle piece (21) is to the subsides of receiving and releasing position of stirring rod (10).

2. The stirring rod assembly according to claim 1, characterized in that the stirring rod (10) is provided with an exhaust hole, the exhaust hole is a blind hole extending upwards from the bottom end of the stirring rod (10), and the side surface of the stirring rod (10) is provided with an exhaust port (11) communicated with the blind hole.

3. The agitator bar assembly of claim 1, further comprising a drive means (30), the drive means (30) being mounted on the agitator bar (10) and being in driving connection with the baffle assembly (20) for switching the baffle assembly (20) between the shielding position and the stowed position.

4. A stirrer bar assembly as claimed in claim 3, wherein the first end of the baffle block (21) is rotatably mounted on the stirrer bar (10), the stirrer bar (10) being provided with a threaded bore extending downwardly from the top end of the stirrer bar (10); the driving device (30) includes:

a drive screw (31), the drive screw (31) being mounted within the threaded bore;

the first end of the hinge rod is slidably hinged to the bottom end of the driving screw (31) along the circumferential direction of the driving screw (31), and the second end of the hinge rod is hinged to one end, far away from the stirring rod (10), of the baffle block (21);

wherein the shutter assembly (20) switches between the shielding position and the retracted position when the drive screw (31) is rotated up and down within the threaded bore.

5. The agitator bar assembly of claim 4, characterized in that the periphery of the bottom end of the drive screw (31) is provided with an annular chute in which a slider is provided, the first end of the hinge rod being hinged on the slider.

6. The stirring rod assembly according to claim 4, characterized in that a yielding hole (15) for avoiding the hinging rod is arranged on the stirring rod (10).

7. A stirrer bar assembly as claimed in claim 3, wherein the first end of the shutter block (21) is rotatably mounted on the stirrer bar (10) by a shaft, and the drive means (30) comprises a micro motor drivingly connected to the shaft, the micro motor driving the shutter assembly (20) to switch between the blocking position and the retracted position upon forward and reverse rotation of the micro motor.

8. The agitator bar assembly of claim 7, characterized in that the top end of the agitator bar (10) is provided with a button (32), the button (32) being electrically connected to the micro-motor to control the micro-motor to be turned on or off.

9. The agitator bar assembly of claim 1, wherein the baffle blocks (21) are two, and wherein both baffle blocks (21) are semi-circular blocks.

10. The stirring rod assembly according to claim 1, wherein the stirring rod (10) is provided with a cuboid section, the baffle blocks (21) are four, and the four baffle blocks (21) are arranged on four sides of the cuboid section in a one-to-one correspondence.

11. The stirring rod assembly according to claim 1, characterized in that an annular stop outer flange (12) is arranged on the stirring rod (10), and the distance between the annular stop outer flange (12) and the top end of the stirring rod (10) is larger than 5mm.

12. A stirrer bar assembly according to claim 11, characterised in that the stirrer bar (10) is provided with a catch (13), the catch (13) being located at the bottom of the annular stop outer flange (12).

13. A stirrer bar assembly as claimed in claim 2, wherein the baffle block (21) is provided with one or more through holes (22).

14. The agitator bar assembly of claim 1, wherein the agitator bar (10) is provided with one or more turbulence notches (14).

15. A food processor comprising a stirrer bar assembly, wherein the stirrer bar assembly is as claimed in any one of claims 1 to 14.

16. The food processor according to claim 15, further comprising a stirring cup (80) and a cup cover assembly (90) fastened on the stirring cup (80), wherein a mounting hole (91) for mounting a stirring rod (10) of the stirring rod assembly is formed in the stirring cup (80), and a clamping groove (92) matched and connected with a clamping buckle (13) on the stirring rod (10) is formed in the inner wall of the mounting hole (91).

17. The food processor according to claim 16, wherein a sealing ring (110) for preventing overflow of liquid in the stirring cup (80) is arranged between the annular stop outer flange (12) on the stirring rod (10) and the cup cover assembly (90).

18. The food processor according to claim 16, wherein a clearance fit is provided between the stirring rod (10) and the mounting hole (91), and the upper end of the mounting hole (91) is of a funnel-shaped structure (911).

19. The food processor according to claim 15, further comprising a crushing blade set (100), wherein a minimum distance from a bottom end of the stirring bar (10) to a top end of the crushing blade set (100) is greater than 5mm.

20. The food processor according to claim 16, wherein a minimum distance between an outer edge of a baffle block (21) on the stirring rod assembly and an inner wall of the stirring cup (80) is greater than 2mm.