CN214631787U - Food preparation machine with stable work - Google Patents

Abstract

The utility model discloses a food processing machine with stable work, which comprises a main machine and a stirring cup, wherein the stirring cup is internally provided with a stirring knife, the main machine is provided with a motor for driving the stirring knife to rotate and a control component connected with the motor, the upper part of the stirring cup is screwed with a cup cover, the stirring cup is provided with a lower electrical connecting piece and a stopping groove for preventing the cup cover from rotating, the cup cover is provided with an upper electrical connecting piece matched with the lower electrical connecting piece and a stopping piece matched with the stopping groove, the electrical connecting piece and the stopping structure are independently arranged, so that the two components are not interfered with each other when in work, even if one component breaks down, the other component can normally work, in addition, the stopping piece is only matched with the stopping groove and is not matched with the lower electrical connecting piece at the same time, the thrust of the lower electrical connecting piece to the stopping piece is reduced, and the stopping piece is not easy to slide out from the stopping groove, further avoiding the phenomenon of the cup cover rotating and retreating and having more lasting retreat-stopping effect.

Description

Food preparation machine with stable work

Technical Field

The utility model relates to a food processing technical field especially relates to a job stabilization's food preparation machine.

Background

The existing food processing machine such as a household soybean milk machine, a wall breaking machine and the like mainly comprises a host machine, a stirring cup component and a cup cover component, wherein the cup cover component is matched with the stirring cup component through rotation. The food processor can generate slight vibration during working, so that the cup cover can be rotated and retreated.

The existing food processor is provided with an ejector rod on the cup cover, and meanwhile, a retaining structure is arranged on the ejector rod, and a stirring cup is provided with retaining ribs, so that the retaining structure is matched with the retaining ribs to prevent the cup cover from rotating and retreating. Simultaneously, ejector pin and stopping muscle are the metalwork to can realize utilizing the cooperation transmission electric signal of ejector pin and stopping muscle to realize functions such as anti-overflow detection and bowl cover installation detection that targets in place. Therefore, the cooperation of the ejector rod and the retaining rib has both the anti-backing function and the electric connection function. However, the ejector rod and the retaining rib are both metal parts, the rigidity is high, and the anti-return function requires mutual extrusion and friction between the ejector rod and the retaining rib, so that the ejector rod and the retaining rib are easy to wear. And the wearing and tearing of ejector pin and stopping muscle can lead to the electrical connection reliability to lead to anti-overflow to detect and the bowl cover installation detection function that targets in place to appear unusually, on the other hand the preventing of bowl cover is moved back the effect and is weakened, leads to the bowl cover to take place to withdraw from easily in the course of the work, influences normal work on the one hand.

Disclosure of Invention

An object of the utility model is to provide a job stabilization's food preparation machine for solve current food preparation machine and easily appear preventing moving back the problem that the function loses.

In order to achieve the purpose, the utility model provides a job stabilization's food preparation machine, including host computer and stirring cup, be equipped with the stirring sword in the stirring cup, the host computer is equipped with the rotatory motor of drive stirring sword and the control assembly who is connected with the motor, and the top of stirring cup closes soon and is provided with the bowl cover, and the stirring cup is equipped with down electrical connector and prevents the stopping groove that the bowl cover moved back soon, and the bowl cover be equipped with lower electrical connector complex go up electrical connector and with stopping groove complex prevent moving back the piece.

The utility model provides a pair of job stabilization's food preparation machine sets up the stopping groove that prevents the bowl cover from moving back soon through stirring the cup, sets up on the bowl cover with stopping groove complex anti-moving back spare, avoids food preparation machine to lead to the bowl cover to appear moving back soon because its vibrations in the use, has improved user experience.

The stirring cup is provided with a lower electrical connecting piece, the cup cover is provided with an upper electrical connecting piece matched with the lower electrical connecting piece, the upper electrical connecting piece and the lower electrical connecting piece can be communicated with each other along with the cover of the cup cover and disconnected along with the opening of the cup cover, so that the safe use of the whole machine is facilitated, for example, the anti-overflow judgment, the in-place judgment of the cup cover and the like are carried out through the upper electrical connecting piece and the lower electrical connecting piece, and the use safety is improved.

Last electrical connector on the bowl cover sets up with preventing moving back independently, promptly, lower electrical connector's the locking mutually noninterfere of triggering and bowl cover, goes up electrical connector and can not cause wearing and tearing to the stopping groove, prevents moving back the piece and can adopt the working of plastics etc. to compare the metalwork thoroughly soft, difficult wearing and tearing, consequently, even the extension prevents moving back the live time in piece and stopping groove, avoids the bowl cover to move back the phenomenon soon, can not influence the cooperation between electrical connector and the lower electrical connector yet. The upper electric connecting piece and the lower electric connecting piece are triggered without adopting a matching mode that extrusion and friction are easily generated between the anti-return piece and the anti-return groove, so that abrasion generated when the upper electric connecting piece and the lower electric connecting piece are matched is reduced, and the connection reliability of the upper electric connecting piece and the lower electric connecting piece is prolonged. In addition, the anti-back piece is only matched with the anti-back groove and is not matched with the lower electrical connecting piece simultaneously, the thrust of the lower electrical connecting piece to the anti-back piece is reduced, the anti-back piece is not easy to slide out of the anti-back groove, the phenomenon of rotating back of the cup cover is further avoided, and the anti-back effect is more durable.

In a preferred realization of the food processor with stable operation, the backstop element is inserted into the backstop slot along the screwing direction to lock the cup cover, the upper electrical connector triggers the lower electrical connector along the screwing direction, and the lower electrical connector is triggered before the cup cover is locked.

The lower electric connecting piece is triggered before the cup cover is locked, so that the food processor is ensured to be triggered to work when being locked, and the condition that the food processor cannot be normally started under the condition that the cup cover and the stirring cup are locked is avoided.

In a preferred realization of the food processor with stable operation, the retaining groove is provided with limiting parts at the left and right sides of the retaining piece, and the retaining piece is inserted into the retaining groove and is in interference fit with the limiting parts.

The limiting parts positioned on the left side and the right side of the anti-return piece are arranged in the anti-return groove, the anti-return groove has anti-return effects on the anti-return piece on two surfaces, the food processing machine is prevented from being used for a long time, the anti-return piece is in contact with the anti-return groove due to only one surface, the anti-return piece is seriously worn by the single surface of the anti-return piece, the anti-return failure is seriously caused, the limiting effect of the anti-return groove on the anti-return piece is further enhanced, the anti-return groove is made to be difficult to slide out, the service time of the anti-return piece and other parts is prolonged simultaneously, the anti-return function is more durable and effective, the service life of the food processing machine is prolonged, and the user experience is improved.

In addition, when the anti-return piece is inserted into the anti-return groove, the anti-return piece and the limiting part are in interference fit, so that the anti-return piece and the limiting part are matched more closely and firmly, and the phenomenon of rotary return of the cup cover is further prevented.

In the preferred implementation mode of the food processor with stable work, the stirring cup is provided with a first anti-return rib and a second anti-return rib, the retaining groove is formed between the first anti-return rib and the second anti-return rib, the first anti-return rib and the second anti-return rib are respectively provided with a boss to form a limiting part, and the anti-return piece is provided with a groove matched with the boss.

The first anti-back rib and the second anti-back rib are arranged on the stirring cup, the anti-back rib is formed between the first anti-back rib and the second anti-back rib, the anti-back groove is arranged, when the anti-back piece is screwed to the anti-back groove, the anti-back rib is easier to deform, so that a user can more easily screw the anti-back piece in place, the user experience is improved, meanwhile, the first anti-back rib and the second anti-back rib are respectively provided with the lug bosses to form the limiting parts, the anti-back piece is provided with the groove matched with the lug bosses, after the anti-back piece is screwed in place, the anti-back piece and the anti-back rib have a certain clamping effect due to the matching of the lug bosses and the groove, when the anti-back piece has the tendency of sliding outwards relative to the anti-back groove, the upper end face of the lug bosses positioned on the anti-back rib can abut against the upper end face of the groove of the anti-back piece, the acting force of the anti-back groove on the anti-back piece is obviously increased, so that the anti-back piece can slide out from the anti-back groove, and the matching of the lug bosses at the same time, make the cooperation in anti-backing piece and stopping groove inseparabler, reduced vibrations between the two, improved user experience, in addition, when the user closes the bowl cover soon, because there is a certain card pause during recess and boss block for the user knows to close soon this moment and targets in place, need not to continue to close soon hard, avoids the user to lead to the fact during the anti-backing piece deepens the bowl cover hard excessively, causes the damage of bowl cover internals.

In a preferred embodiment of the food processor with stable operation, the retaining element is inserted horizontally into the retaining groove, the width a of the retaining groove and the width B of the retaining element having the following relationship: the arrangement ensures that the anti-backing piece and the anti-backing groove are smoothly matched, and can avoid the problem that the anti-backing rib is damaged even in the long-time use condition because the width of the anti-backing groove is too smaller than that of the anti-backing piece, which is more laborious in screwing; the interference effect and the clamping effect cannot be influenced due to the overlarge width of the retaining groove.

In the preferred implementation of job stabilization's food processor, first preventing moving back the muscle and compare the second and prevent moving back the center that the muscle is close to the bowl cover, and the bellying that is located first preventing moving back the muscle is less than the bellied protrusion height that is located the second and prevent moving back the muscle.

Through preventing moving back the protruding setting of muscle than the second with first, prevent moving back that the bellied protrusion height of muscle is little for the user needn't use great power just can close soon and put in place when closing the bowl cover soon, can also reduce bellied wearing and tearing simultaneously, make prevent moving back the muscle to prevent moving back the effect of tightening of piece more permanent, improve food preparation machine's life.

In a preferred embodiment of the food processor with stable operation, the inner side of the retaining groove is inclined inward in the screwing direction of the cup cover to form a guide slope.

Through set up the direction inclined plane of leanin at the stopping inslot side, improved anti-backing piece and stopping groove complex smoothness degree for the user changes to close the stopping piece soon and targets in place, has reduced wearing and tearing between the two simultaneously, makes the effect of tightening between the two more lasting, has improved the life in anti-backing piece and stopping groove.

In a preferred embodiment of the food processor which is stable in operation, the angle of inclination α of the guide ramp is 5 ° to 30 °.

Through setting up the inclination on direction inclined plane to 5-30, avoid inclination undersize to lead to preventing moving back that the piece is difficult to close soon puts in place and increases the wearing and tearing volume scheduling problem, avoid inclination too big simultaneously to lead to the guide effect unsatisfactory, insert hard, still can lead to the cooperation between the two not inseparable simultaneously, reduce and press from both sides tight effect.

In the preferred implementation of job stabilization's food processor, go up electric connecting piece and include the ejector pin, lower electric connecting piece includes the safety switch with the control assembly intercommunication, and when the bowl cover was locked, the ejector pin was followed the direction butt safety switch that closes soon in order to trigger safety switch.

The lower electric appliance switch comprises a safety switch which can control the start and stop of the motor, so that the motor can be started only when the cup cover is in place/locked; when the motor is not in place, the motor cannot rotate, and the use safety is ensured.

In a preferred implementation mode of the food processor with stable work, the upper electric connecting piece further comprises an anti-overflow electrode which can extend into the stirring cup and is communicated with the ejector rod, the lower electric connecting piece comprises an anti-overflow sheet, when the cup cover is locked, the ejector rod is abutted against the anti-overflow sheet, and the anti-overflow sheet is positioned in front of the safety switch in the screwing direction so that the anti-overflow sheet is triggered before the safety switch.

So set up for the bowl cover can carry out anti-overflow circuit intercommunication after target in place, realizes the anti-overflow and judges the function.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a schematic structural diagram of a food processor according to an embodiment of the present invention;

fig. 2 is a schematic view of a partial structure of a food processor according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a food processor taken along the a-a direction in accordance with an embodiment of the present invention;

FIG. 4 is an enlarged view of the portion S of FIG. 3;

FIG. 5 is a schematic structural view of a guide ramp according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view of a food processor taken along the direction b-b in accordance with an embodiment of the present invention;

FIG. 7 is an enlarged view of the Y-section of FIG. 6;

FIG. 8 is a schematic view of the lid and the blending cup when the lid is not screwed in place according to an embodiment of the present invention;

FIG. 9 is a schematic view of the lid and the blending cup when the lid is screwed in place according to an embodiment of the present invention;

fig. 10 is a schematic structural view of the cup lid according to an embodiment of the present invention.

List of reference numerals:

1-a cup cover, 11-an anti-retreat piece, 111-a groove, 12-an upper electric appliance connecting piece and 121-a mandril;

2-stirring cup, 21-retaining groove, 210-anti-return rib, 211-first anti-return rib, 212-second anti-return rib, 213-limiting part, 22-lower electrical connecting piece, 221-anti-overflow sheet, 222-safety switch and 223-anti-overflow electrode.

Detailed Description

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

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

As shown in figures 1 and 2, the food processor with stable work comprises a host machine 3 and a stirring cup 2, wherein a stirring knife is arranged in the stirring cup 2, the host machine 3 is provided with a motor for driving the stirring knife to rotate and a control assembly connected with the motor, and a cup cover 1 is screwed above the stirring cup 2. As shown in fig. 3, the mixing cup 2 is provided with a lower electrical connector 22 and a retaining groove 21 for preventing the cup cover from rotating, and the cup cover is provided with an upper electrical connector cooperating with the lower electrical connector 22 and a retaining member 11 cooperating with the retaining groove 21.

When a user needs to process food, the food is placed in the stirring cup 2 at first, then the cup cover is screwed on the stirring cup 2, the food processor is opened through the control assembly to enable the food processor to work and operate, the stirring knife is driven to crush the food so as to meet the requirements of the user by means of high-speed operation of the motor, when the food is processed, the vibration of the motor can drive the whole food processor to vibrate, the phenomenon that the cup cover 1 rotates back is caused, if the vibration is too large or the time is too long, the phenomenon that the cup cover 1 rotates back seriously so as to disconnect the connection of the electric parts of the cup cover 1 and the stirring cup 2 can be caused, the food processor stops working, and the user experience is seriously influenced.

As shown in figure 3, this application prevents the stopping groove 21 that bowl cover 1 moved back soon through setting up at stirring cup 2, still set up simultaneously on bowl cover 1 with stopping groove 21 complex anti-back 11, avoid food preparation machine to lead to bowl cover 1 to appear rotating back the phenomenon because its vibrations in the use, so that food preparation machine can not normally work, user experience has been improved, electrical connector independently sets up with the stopping structure simultaneously, lower electrical connector 22's the triggering and bowl cover 1's locking mutually noninterfere, even the life of extension anti-back 11 and stopping groove 21, avoid the bowl cover to rotate back the phenomenon, can not influence the cooperation between electrical connector and the lower electrical connector yet. The upper electric connecting piece and the lower electric connecting piece are triggered without adopting a matching mode that extrusion and friction are easily generated between the anti-return piece 11 and the anti-return groove 21, so that abrasion generated when the upper electric connecting piece and the lower electric connecting piece are matched is reduced, and the connection reliability of the upper electric connecting piece and the lower electric connecting piece is prolonged. In addition, the anti-backing piece 11 is only matched with the anti-backing groove 21 and is not matched with the lower electrical connecting piece 22 simultaneously, so that the thrust of the lower electrical connecting piece 22 to the outer anti-backing piece 11 is reduced, the anti-backing piece 11 is not easy to slide out of the anti-backing groove 21, the phenomenon of rotating and backing of the cup cover is further avoided, and the anti-backing effect is more durable. It should be noted that, this application does not specifically limit to the material of preventing moving back piece 11, as an optimization of this application, prevents moving back piece 11 and chooses for use the plastics material, compares in traditional metal material texture more soft, is difficult to take place wearing and tearing, further improves the stopping effect.

It is to be noted, of course, that the lower electrical connection 22 is triggered only slightly before the lid 1 is locked for safety.

Specifically, as shown in fig. 3, the ejector rod is closer to the inner ring than the anti-back piece, the length of the ejector rod is greater than that of the anti-back piece, and when the triggering position of the lower electrical connecting piece 22 is flush with the locking position of the anti-back groove 21 in the screwing direction, the lower electrical connecting piece 22 can be triggered before the cup cover is locked.

Of course, the implementation manner of triggering the lower electrical connector 22 before the cup cover is locked is not limited to the above-mentioned one, and actually, the triggering position of the lower electrical connector 22 may be arranged in front of the locking position of the retaining groove 21 in the screwing direction, or the lower electrical connector 22 may be triggered before the cup cover is locked.

It should be noted that, the structure of the lower electrical connector 22 is not specifically limited in the present application, for example, it may be a safety switch communicated with the control component, the food processor may normally operate only when the safety switch is turned on, when the cup lid is screwed, the safety switch is firstly triggered by the locking position of the retaining groove 21, it is ensured that the safety switch is already turned on when the cup lid 1 is screwed, and it is avoided that the triggering position of the safety switch is located behind the locking position, so that after the cup lid 1 is screwed in place, the safety switch is not yet triggered, which results in the situation that the food processor cannot normally operate.

The structure of the retaining groove 21 is not particularly limited in the present application, and as an embodiment of the present application, as shown in fig. 3 and 4, since the retaining groove 21 is provided with the stopper portions 213 on both left and right sides of the retainer 11, when the anti-back piece 11 is screwed to the anti-back groove 21, the anti-back groove 21 has anti-back function to the anti-back piece 11 on two surfaces, the contact area of the anti-back piece 11 and the anti-back groove 21 is increased, the food processor is prevented from being used for a long time, the anti-backing failure of the anti-backing piece 11 caused by serious abrasion of one surface of the anti-backing piece 11 due to the fact that only one surface of the anti-backing piece 11 is in contact with the anti-backing groove 21 further strengthens the limiting effect of the anti-backing groove 21 on the anti-backing piece 11, so that the anti-backing piece is not easy to slide out of the anti-backing groove 21, meanwhile, the service life of the anti-return piece 11 and other parts is prolonged, so that the service life of the food processor is prolonged, and the user experience is improved.

In addition, when the anti-receding piece 11 is inserted into the anti-receding groove 21, the anti-receding piece 11 and the limiting portion 213 are in interference fit, so that the anti-receding piece 11 and the limiting portion 213 are more tightly and firmly matched, and the phenomenon of rotational receding of the cup lid 1 is further prevented.

Further, stirring cup 2 is equipped with first anti-backset muscle 211 and second anti-backset muscle 212, stopping groove 21 forms between first anti-backset muscle 211 and second anti-backset muscle 212, this application does not limit to above-mentioned concrete mechanism that prevents backset muscle 210, it can be the part that sets up alone in stirring cup 2, also can be with 2 shells integrated into one piece of stirring cup, as a preferred under this embodiment, as shown in fig. 4, 2 shells of stirring cup inwards extend and form anti-backset muscle 210, so set up and need not to establish independent part in addition in stirring cup 2, stirring cup 2 structure has been simplified, the occupation space of anti-backset muscle 210 has been reduced, prevent backset muscle 210 and shell integrated into one piece simultaneously, and the production cost is reduced, and the production efficiency and the assembly efficiency are improved. Because the wall thickness of the anti-back rib 210 is thinner, when the anti-back piece 11 is screwed to the anti-back groove 21, the anti-back rib 210 is easier to deform and is more labor-saving to screw.

In addition, as shown in fig. 4, the first anti-back rib 211 and the second anti-back rib 212 are respectively provided with a boss to form a limiting portion 213, the anti-back member 11 is provided with a groove 111 matched with the boss, after the anti-back member 11 is screwed in place, due to the matching of the boss and the groove 111, the anti-back member 11 and the anti-back rib have a certain clamping effect with each other, when the anti-back member 11 has a tendency of sliding outwards relative to the anti-back groove 21, the upper end surface of the boss of the anti-back rib abuts against the upper end surface of the groove 111 of the anti-back member 11, the acting force of the anti-back groove 21 on the anti-back member 11 is obviously increased, so as to prevent the anti-back member 11 from sliding out of the anti-back groove 21, and simultaneously, due to the matching of the groove 111 and the boss, the anti-back member 11 and the anti-back groove 21 are more tightly matched, the vibration between the anti-back member 11 and the anti-back groove 21 is reduced, the user experience is improved, and, in addition, when the user is screwed in place, because the groove 111 and the boss are clamped, the user knows that the cup cover is screwed in place at the moment, the cup cover does not need to be screwed in continuously, and the situation that the anti-return piece 11 goes deep into the cup cover and internal parts of the cup cover are damaged due to the fact that the user exerts too much force is avoided.

It should be noted that, the specific positions of the groove 111 and the boss are not limited, and besides the above arrangement, the boss may be arranged on the anti-receding member 11, and the groove 111 matched with the boss is arranged on the anti-receding rib, which will not be explained in detail here.

Further, as shown in fig. 5, the width of the retaining groove 21 is a, the width of the retaining member 11 is B, and the relationship between a and B is: b-a is 1 to 2mm, and as a preferred value in the present application, the design value is preferably 0.8 to 1.6mm, more preferably, the groove 111 depth C of the rib receding prevention is 0.5 to 2mm, and the preferred value is 0.8 to 1.6 mm; so set up, it is smooth and easy to have guaranteed that anti-moving back piece 11 and stopping groove 21 cooperate, can not lead to relatively difficultly when closing soon because the width of stopping groove 21 too is less than the width of anti-moving back piece 11, cause the damage of anti-moving back muscle even under the long-time in service behavior, the depth dimension of injecing recess 111 simultaneously, it is difficult for withdrawing from when avoiding the too deep of recess 111 degree of depth to lead to anti-moving back piece 11 to withdraw from stopping groove 21, avoid recess 111 degree of depth too shallow to lead to recess 111 and boss cooperation not inseparable enough simultaneously, can cause stopping groove 21 to prevent that the effect of moving back of anti-moving back piece 11 reduces.

Further, as shown in fig. 4 and 5, the protruding height of the boss of the first anti-moving rib 211 is smaller than that of the boss of the second anti-moving rib 212, so that a user can be screwed in place without using a large force when screwing the cup cover, meanwhile, the abrasion of the boss can be reduced, the clamping effect of the anti-moving rib 210 on the anti-moving piece 11 is longer, and the service life of the food processor is prolonged.

As one of the preferences of the present application, as shown in fig. 4 and 5, by providing the inward inclined guide slope inside the retaining groove 21, when the retaining member 11 is screwed into the retaining groove 21, the guide slope can play a certain guiding role for the retaining member 11, thereby improving the smoothness of the cooperation of the retaining member 11 and the retaining groove 21, making the user more easily screw the retaining member into place, and reducing the wear of the two, so that the clamping effect between the two is more durable, and the service lives of the retaining member 11 and the retaining groove 21 are prolonged.

Further, as shown in fig. 5, the inclination angle α of the guide slope is 5 ° to 30 °, as a preferred option of the present application, the inclination angle α is 10 ° to 15 °, and by setting the inclination angle of the guide slope to 10 ° to 15 °, the problem that the guide slope is too large to cause the loose fit between the guide slope and the guide slope is avoided, the clamping effect is reduced, and meanwhile, the problem that the anti-back piece 11 is not easy to be screwed in place to increase the abrasion loss due to too small inclination angle is avoided.

It should be noted that, in the present application, the heights of the anti-receding piece 11 and the anti-receding rib are not specifically limited, and as a preferred aspect of the present application, as shown in fig. 6 and 7, the height D of the anti-receding rib is 5-20mm, and preferably 8-15 mm; the height E of the corresponding anti-back piece 11 is 5-20mm, preferably 8-15 mm; meanwhile, in order to ensure the deviation caused by each part during matching, the anti-back rib 210 is designed to be higher than the anti-back piece 11, the matching consistency is ensured, D-E is 2-8mm, and the design value D-E is preferably 2-5 mm.

As a preferred embodiment of the present application, as shown in fig. 8, 9, and 10, the upper electrical connection member includes a top rod 121, the lower electrical connection member 22 includes a safety switch 222 communicated with the control component, when the cup lid is locked, as shown in fig. 9, the top rod 121 abuts against the safety switch 222 along a screwing direction to trigger the safety switch 222, and the safety switch 222 can control the start and stop of the motor, so that, including the safety switch 222, when the cup lid 1 is in place/locked, the motor can only be started, and when the cup lid is not in place, the motor cannot rotate, thereby ensuring the safety of use.

Furthermore, the upper electrical connecting part also comprises an anti-overflow electrode 223 which can extend into the stirring cup 2 and is communicated with the ejector rod 121, the lower electrical connecting part 22 comprises an anti-overflow sheet 221, when the cup cover is locked, the ejector rod 121 is abutted against the anti-overflow sheet 221, the anti-overflow sheet 221 is positioned in front of the safety switch 222 in the screwing direction, the arrangement is such that the anti-overflow sheet 221 is triggered before the safety switch 222, the anti-overflow function of the cup cover is opened before the food processor is opened, the phenomenon that the anti-overflow function is not opened due to the fact that the anti-overflow sheet 221 is not triggered in the processing process is avoided, food in the stirring cup 2 flows out of the stirring cup 2 through the cup cover to influence user experience, meanwhile, the anti-overflow circuit communication can be carried out after the cup cover 1 is screwed in place, the anti-overflow judging function is realized, if too much food in the stirring cup 2 contacts the anti-overflow electrode 223, the anti-overflow electrode 223 detects signals and transmits the signals to the control panel to control the food processor to reduce the heating power, or to stop the motor. This prevents food from spilling out.

The technical solution protected by the present invention is not limited to the above embodiments, and it should be noted that the technical solution of any one embodiment is combined with the technical solution of one or more other embodiments in the protection scope of the present invention. Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (10)

1. The food processing machine is characterized in that the stirring cup is provided with a lower electrical connecting piece and a backstop groove for preventing the cup cover from being withdrawn in a rotating mode, and the cup cover is provided with an upper electrical connecting piece matched with the lower electrical connecting piece and a backstop piece matched with the backstop groove.

2. A work stable food processor as claimed in claim 1, wherein the backstop member is inserted into the backstop slot in a twist on direction to lock the lid, the upper electrical connector actuating the lower electrical connector in a twist on direction, the lower electrical connector being actuated prior to locking of the lid.

3. A food processor as claimed in claim 1, wherein the retaining groove is provided with a limiting portion on each of the left and right sides of the retaining member, and the retaining member is inserted into the retaining groove and is in interference fit with the limiting portion.

4. A food processor as claimed in claim 3, wherein the mixing cup is provided with a first anti-back rib and a second anti-back rib, the anti-back groove is formed between the first anti-back rib and the second anti-back rib, the first anti-back rib and the second anti-back rib are respectively provided with a boss to form the limiting portion, and the anti-back member is provided with a groove matched with the boss.

5. A stable working food processor as claimed in claim 4, characterized in that the anti-backup element is inserted horizontally into the anti-backup slot, the width A of the anti-backup slot and the width B of the anti-backup element being such that: B-A is 1-2 mm.

6. A machine as claimed in claim 4, which is substantially stationary in operation, wherein the first ribs are substantially closer to the centre of the lid than the second ribs, and wherein the projections on the first ribs have a smaller height than the projections on the second ribs.

7. A machine as claimed in claim 1, wherein the inner side of the retaining groove is inclined inwardly in the screwing direction of the lid to form a guide ramp.

8. A work-stable food processor as claimed in claim 7, characterized in that the angle of inclination α of the guide ramp is 5 ° -30 °.

9. A stable working food processor as claimed in claim 1, wherein the upper electrical connection member comprises a push rod and the lower electrical connection member comprises a safety switch in communication with the control assembly, the push rod abutting the safety switch in a screwing direction to activate the safety switch when the lid is locked.

10. A stable food processor as defined in claim 9, wherein the upper electrical connector further includes an anti-spill electrode capable of extending into the blender cup and communicating with the lift pin, and the lower electrical connector includes an anti-spill tab, the lift pin abutting the anti-spill tab when the cup cover is locked, the anti-spill tab being positioned in front of the safety switch in a twist-on direction such that the anti-spill tab is triggered prior to the safety switch.

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