CN216823106U - Multifunctional food processor - Google Patents

Abstract

The utility model discloses a multi-functional food preparation machine, belong to life electrical apparatus field, the problem of the unable multi-functional demand of user of satisfying of current food preparation machine is solved, the technical scheme who solves this problem mainly is the organism and locates the crushing unit of organism, crushing unit is including smashing the cup, crushing motor and crushing cutter, crushing motor installs in the bottom outside of smashing the cup, the output shaft of smashing the motor stretches into crushing cup, crushing cutter is located crushing cup and installs on crushing motor's output shaft, the oral area sealing connection of smashing the cup filters the cup, it forms closed chamber to filter the cup cover, be equipped with the filter screen that is used for filtering the thick liquid in the closed chamber, multi-functional food preparation machine has crushing cup and is located the system thick liquid position of filtering the cup below and invert the filtration position that makes crushing cup be located the filtration cup top. The utility model discloses mainly used makes food preparation machine function diversified, and whether the user can independently select to filter.

Description

Multifunctional food processor

Technical Field

The utility model relates to a life electrical apparatus, especially a multi-functional food preparation machine.

Background

Along with the continuous improvement of living standard, people also become higher and higher to the demand of food cooking, and food preparation machine is the novel kitchen household electrical appliances of function in an organic whole such as collection soybean milk, squeezed juice, make rice paste, fish soup of cooking. The existing food processor generally comprises a machine body and a crushing cavity, wherein a crushing cutter is driven by a crushing motor to crush and pulp materials in the crushing cavity. For drinks such as fruit juice, soybean milk and the like, a user needs to drink after separating pulp from residues in order to pursue drinking taste, most of the existing food processing machines are not provided with a filtering function, only one crushing cavity is usually arranged in a machine body, the pulp and the residues are mixed and stored in the crushing cavity, at the moment, the user needs to pour out the mixture firstly and then filter the mixture by using a filter screen, the operation is very complicated, and of course, part of the food processing machines in the market also have the filtering function, the pulp and the residues are directly separated when materials are crushed, although the manufacturing requirements of the drinks such as fruit juice, soybean milk and the like are met, the food which does not need to be filtered such as rice paste and the like is suitable for the contrary, at the moment, an additional food processing machine for manufacturing the rice paste is required to be provided, the multifunctional requirements of the user are met, and the purchase cost of the user is greatly increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to reach the purpose provide a multi-functional food preparation machine, overcome the not enough of prior art, satisfy the multi-functional demand of user, whether the user can independently select to need to filter.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a multi-functional food preparation machine, includes the organism and locates the crushing subassembly of organism, and crushing subassembly includes crushing cup, crushing motor and crushing cutter, and crushing motor installs in the bottom outside of crushing cup, and crushing motor's output shaft stretches into crushing cup, and crushing cutter is located crushing cup and installs on crushing motor's output shaft, the oral area sealing connection of crushing cup has the filtration cup, filters the cup and covers crushing cup and form and seal the chamber, seals the intracavity and is equipped with the filter screen that is used for filtering the thick liquid, and multi-functional food preparation machine has the system thick liquid position that crushing cup is located filtration cup below and inverts and make crushing cup be located the filtration position that filters the cup top.

Further, an air outlet channel is arranged at the bottom of the filtering cup body, a switch plug is arranged in the air outlet channel, and the air outlet channel can be opened or closed by the switch plug.

Through adopting above-mentioned technical scheme, the bottom of filtering the cup is equipped with air outlet channel, makes the gaseous discharge in the crushing cup, keeps the internal gas pressure of crushing cup stable, avoids the thick liquid to be spilled over by gas expansion, is equipped with the switch stopper through air outlet channel in, and the user can control opening or closing of air outlet channel through the switch stopper according to actual demand, and is convenient to use.

And in addition, the top end of the switch plug is flush with or protrudes out of the top wall of the filter cup body after the air outlet channel is closed.

By adopting the technical scheme, the top end of the switch plug is flush with the top wall of the filtering cup body after the air outlet channel is closed, so that the top wall of the filtering cup body is kept flat, and the machine body can be stably placed when the multifunctional food processor is in a filtering position; or, the top of switch stopper also can be after closing air outlet channel and filter the roof of cup with the roof protrusion of filtering the cup, and when making multi-functional food preparation machine be in filtering the position, the switch stopper receives the extrusion of putting the plane all the time, ensures that sealing portion and air outlet channel keep laminating, keeps air outlet channel's closure, avoids the weeping.

Further setting, the bottom of switch stopper is equipped with the sealing, and the sealing closes it with the cooperation of outlet channel, and the upward motion of switch stopper makes and forms the clearance between sealing and the outlet channel to open outlet channel.

Through adopting above-mentioned technical scheme, the bottom of switch stopper is equipped with the sealing, can make air outlet channel open or close fast, keeps carminative stability and ensures the leakproofness of filtering the cup.

Further setting, filter the cup including filtering interior cup and filtering outer cup, filter and form thermal-insulated chamber between interior cup and the outer cup of filtration, filter the oral area of interior cup and the oral area sealing connection who smashes the cup.

Through adopting above-mentioned technical scheme, filter the cup and be bilayer structure, filter interior cup and filter and form thermal-insulated chamber between the outer cup, reach thermal-insulated effect, the user can safe gripping filter the cup outer wall, avoids the user to scald, also has the heat preservation effect to filtering the internal thick liquid of cup.

Further setting, the organism has the casing of cover in smashing the cup periphery, and the top of casing can be dismantled with the outer cup of filtration and be connected, and the lateral wall parallel and level of the lateral wall of the outer cup of filtration and casing.

Through adopting above-mentioned technical scheme, the top of casing can be dismantled with the outer cup of filtration and be connected, convenient to use, and the lateral wall of outer cup of filtration is parallel and level with the lateral wall of casing, and the focus is stable when guaranteeing that multi-functional food preparation machine is just putting or is invertd.

Further, the filter screen is detachably fixed at the opening of the filter cup body.

Through adopting above-mentioned technical scheme, filter screen detachably is fixed in the oral area of filtering the cup, and the user of being convenient for dismantles the change to the filter screen, and convenient the washing, whether the user can independently select to need the filter screen.

Further arranged, the filter screen and the inner filtering cup are fixedly connected or fixed in an interference fit mode through a rotating buckle.

By adopting the technical scheme, the filter screen and the filtering inner cup are fixedly connected through the rotary buckle, so that the connection reliability between the filter screen and the filtering inner cup is ensured, and the filter screen is convenient for a user to install and disassemble; or the filter screen and the inner filtering cup can be fixed in an interference fit manner, so that the connection reliability between the filter screen and the inner filtering cup is ensured, and the slurry is prevented from entering a connecting gap between the filter screen and the inner filtering cup.

Further, a lifting handle is arranged on the filter screen and is positioned on one side of the filter screen, which faces the crushing cup body.

Through adopting above-mentioned technical scheme, the user can put into or take out the filter screen through the handle, and convenient to use also can avoid with residue direct contact, increases the health nature of using.

Further, a safety switch is arranged in the machine body, and the filtering cup body and the crushing cup body are connected in place and then the safety switch is triggered.

By adopting the technical scheme, the safety switch is arranged in the machine body, so that the filtering cup body and the crushing cup body are connected in place, and the multifunctional food processor can operate safely.

After the technical scheme is adopted, the utility model has the advantages of as follows: the filter cup body is connected with the mouth part of the crushing cup body and covers the crushing cup body to form the closed cavity, the pulp and the residue can be stored separately, the pulp and the residue can be taken out by a user conveniently, the filter screen is arranged in the closed cavity, the separation of the pulp and the residue in the food processing machine is realized, the pulp and the residue do not need to be filtered after the pulp and the residue are poured out by the user, the operation is simple, the requirements of the user for making drinks such as fruit juice and soybean milk are met, the drinking taste is improved, and the good experience of the user is greatly increased, have through multi-functional food preparation machine and smash the system thick liquid position that the cup is located filtration cup below and invert the filtration position that makes crushing cup be located filtration cup top, whether the user can independently select to filter, satisfies food requirements such as user's preparation rice paste, realizes a tractor serves several purposes, reduces user's acquisition cost, and easy operation promotes user's good experience greatly and feels.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a schematic structural view of a multifunctional food processor of the present invention;

fig. 2 is a sectional view of the middle body of the present invention;

FIG. 3 is a schematic view of a filter screen according to the present invention;

FIG. 4 is a cross-sectional view of the filter cup of the present invention;

FIG. 5 is a schematic view of the open state of the air outlet channel of the present invention;

fig. 6 is a schematic view of the closed state of the air outlet channel in the present invention;

fig. 7 is an exploded view of the self-locking switch of the present invention;

fig. 8 is a cross-sectional view of the self-locking switch of the present invention (the self-locking switch is in an initial spring-open state);

fig. 9 is a cross-sectional view of the self-locking switch of the present invention (continuously pressing the latch);

fig. 10 is a cross-sectional view of the self-locking switch of the present invention (the latch is fixed in a retracted state);

fig. 11 is a cross-sectional view of the self-locking switch of the present invention (secondary pressing claw);

fig. 12 is a cross-sectional view of the self-locking switch of the present invention (the claws are fixed in an extended state);

in the figure, 1, a machine body; 10. a housing; 11. a safety switch; 2. crushing the cup body; 21. an air outlet channel; 3. a grinding motor; 30. an output shaft; 4. a crushing cutter; 5. a filtering cup body; 51. filtering the inner cup; 510. a protrusion; 52. filtering the outer cup; 53. a filtering cup cover; 6. filtering with a screen; 60. a handle; 61. mounting grooves; 7. a switch plug; 70. a sealing part; 71. a control spring; 72. a self-locking switch; 720. a claw; 721. a return spring; 722. a limiting member; 723. a housing; 73. a hook.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in other sequences than those illustrated or described herein.

It should be understood that, in various embodiments of the present invention, the sequence numbers related to the processes do not mean the order of execution, and the execution order of the processes should be determined by their functions and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.

It should be understood that in the present application, "comprising" and "having" and any variations thereof, is 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 explicitly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

It should be understood that, in the present invention, "a plurality" means two or more. "and/or" is merely an association describing an associated object, meaning that three relationships may exist, e.g., X and/or Y, may mean: x alone, X and Y simultaneously, and Y alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "comprises X, Y and Z" and "comprises X, Y, Z" means that X, Y, Z all comprise, "comprises X, Y or Z" means comprise one of X, Y, Z, "comprises X, Y and/or Z" means comprise any one or any two or three of X, Y, Z.

The technical solution of the present invention will be described in detail with specific examples. The following specific embodiments may be optionally combined with or replaced by each other according to practical situations, and the same or similar concepts or processes may not be described in detail in some embodiments.

The first embodiment is as follows:

as shown in fig. 1 to 6, the utility model provides a multifunctional food processor, include organism 1 and the crushing unit who locates organism 1, crushing unit is including smashing cup 2, crushing motor 3 and crushing cutter 4, crushing motor 3 installs in the bottom outside of smashing cup 2, crushing motor 3's output shaft 20 stretches into crushing cup 2, crushing cutter 4 is located crushing cup 2 and installs on crushing motor 3's output shaft 20, the oral area sealing connection who smashes cup 2 filters cup 5, it covers crushing cup 2 and forms the closed chamber to filter cup 5, be equipped with the filter screen 6 that is used for filtering the thick liquid in the closed chamber, multifunctional food processor has crushing cup 2 and is located the system thick liquid position of filtering cup 5 below and inverts the filtration position that makes crushing cup 2 be located filtering cup 5 top.

Be connected with through the oral area of smashing cup 2 and filter cup 5, filter cup 5 and cover and smash cup-shaped closed chamber that becomes, realize depositing separately to thick liquid and residue, convenience of customers takes out thick liquid and residue alone. The filter screen 6 is arranged in the closed cavity, so that the separation of the pulp from the residues in the food processing machine is realized, the pulp and the residues do not need to be poured out by a user and then filtered, the requirements of the user on making beverages such as fruit juice and soybean milk are met, the drinking taste is improved, and the good use feeling of the user is greatly increased. Have through multi-functional food preparation machine and smash cup 2 and be located the system thick liquid position of filtering 5 belows of cup and invert the filtration position that makes crushing cup 2 be located 5 tops of filtering cup, whether the user can independently select to filter, satisfy user's multi-functional requirement, lie in the system thick liquid position through multi-functional food preparation machine, satisfy food requirements such as user's preparation rice paste, realize a tractor serves several purposes, reduce user's acquisition cost, and easy operation, user's good experience is felt has been promoted greatly.

In order to increase the safety of the user, the filtering cup body 5 comprises an inner filtering cup 51 and an outer filtering cup 52, and an insulating cavity is formed between the inner filtering cup 51 and the outer filtering cup 52. For bilayer structure through filtering cup 5, form thermal-insulated chamber between cup 51 and the outer cup 52 of filtration in the filtration, reach thermal-insulated effect, reduce the temperature of filtering cup 5 outer walls, the user can safe gripping, avoids the user to scald, also has the heat preservation effect to thick liquid in filtering cup 5 simultaneously. In order to further increase the heat insulation and preservation effects, the outer wall of the filtering outer cup 52 can be wrapped by a silica gel ring, so that the heat insulation and preservation effects are effectively achieved.

The machine body 1 is provided with a shell 10 which is sleeved on the periphery of the crushing cup body 2, the top end of the shell 10 is detachably connected with the filtering outer cup 52, and the outer side wall of the filtering outer cup 52 is flush with the outer side wall of the shell 10. Smash cup 2 through casing 10 parcel, increase the protection to smashing cup 2, in this embodiment, casing 10's top and the outer body of filtration are threaded connection, operate when convenience of customers uses, and suitable connected modes such as buckle connection still can be adopted to certainly between casing 10 and the outer body of filtration.

In order to further increase the use safety, a safety switch 11 is arranged in the machine body 1, and the safety switch 11 is triggered after the filtering cup body 5 and the crushing cup body 2 are connected in place. The safety switch 11 is arranged in the machine body 1, so that the multifunctional food processor can be in a working state after the filtering cup body 5 and the crushing cup body 2 are connected in place, and the safe operation of the multifunctional food processor is ensured.

In order to improve the sealing performance of the multifunctional food processor, the mouth of the filtering inner cup 51 is hermetically connected with the mouth of the grinding cup body 2, so as to prevent the slurry from leaking. In order to further increase the sealing performance between the filtering inner cup 51 and the grinding cup body 2, a sealing ring is arranged at the mouth part of the filtering inner cup 51, and the sealing ring is pressed when the mouth part of the grinding cup body 2 is connected with the mouth part of the filtering cup body 5, so that the sealing performance is further improved.

For the convenience of the cleaning of the filter screen 6, the filter screen 6 is detachably fixed at the opening of the filter cup body 5, the filter screen 6 is convenient to clean and replace, and a convenience of a user can independently select whether the filter screen 6 is needed or not, so that the multifunctional requirement of the user is met.

As shown in fig. 3 and fig. 4, in this embodiment, the filter screen 6 and the inner filtering cup 51 are fixed by being connected through a rotating buckle, the filter screen is provided with an installation groove 61, the inner filtering cup 51 is provided with a protrusion 510 matched with the installation groove 61, during installation, the protrusion 510 is connected with the installation groove 61 by being rotated and buckled, so that the connection reliability between the filter screen 6 and the inner filtering cup 51 is ensured, and the installation and the detachment of a user are facilitated. In other embodiments, the filter screen 6 and the inner filtering cup 51 may be fixed by interference fit, so as to prevent slurry from entering into a connecting gap between the filter screen 6 and the inner filtering cup 51.

In order to facilitate the mounting and dismounting of the sieve 6, the sieve 6 is provided with a handle 60, and the handle 60 is positioned on the sieve 6 at a side facing the crushing cup body 2. The user puts in or takes out the filter screen through the handle 60, and convenient to use also can avoid with residue direct contact, increases the sanitary nature of use.

In order to meet the requirement of stable air pressure in the grinding cup body 2 during pulping, an air outlet channel 21 is arranged at the bottom of the filtering cup body 5, a switch plug 7 is arranged in the air outlet channel 21, and the air outlet channel 21 can be opened or closed by the switch plug 7. Can be with 2 interior gas discharges of smashing cup through air outlet channel 21, keep 2 interior gas pressures of smashing cup stable, avoid the thick liquid to receive the gas expansion to overflow, be equipped with switch stopper 7 in the air outlet channel 21, the user can open or close air outlet channel 21, convenient to use through switch stopper 7 as required.

Specifically, the bottom end of the switch plug 7 is provided with a sealing part 70, the sealing part 70 is matched with the air outlet channel 21 to close the air outlet channel, the switch plug 7 moves upwards to form a gap between the sealing part 70 and the air outlet channel 21, so that the air outlet channel 21 is opened, and gas in the crushing cup body 2 is discharged, as shown in fig. 5, at this time, the multifunctional food processor is in a pulping position, and the crushing cup body 2 is positioned below the filtering cup body 5 to finish pulping. The switch stopper 7 moves downwards to make the sealing part 70 and the air outlet channel 21 fit and seal, the air outlet channel 21 is closed, and the filtering cup body 5 is sealed, as shown in fig. 6, when the multifunctional food processor is in a filtering position, the crushing cup body 2 is positioned above the filtering cup body 5, and a user makes the air outlet channel 21 sealed through the switch stopper 7, so that the filtering function is realized, and the slurry is prevented from leaking. The sealing portion 70 in this embodiment may be spherical, semicircular, or cylindrical, and may be adapted to the air outlet channels 21 of different shapes.

In this embodiment, the top end of the switch plug 7 is flush with the top wall of the filtering cup body 5 after the air outlet channel 21 is closed, so that the top wall of the filtering cup body 5 is kept flat, and the machine body 1 can be stably placed when the multifunctional food processor is located at the filtering position. In another embodiment, the top end of the switch plug 7 protrudes out of the top wall of the filtering cup body 5 together with the top wall of the filtering cup body 5 after the air outlet channel 21 is closed, so that when the multifunctional food processor is in the filtering position, the switch plug 7 is always pressed by the placing plane, and the sealing part 70 is always kept attached to the air outlet channel 21. The top of filtering cup 5 is for dismantling the filtration bowl cover 53 of connection, filters bowl cover 53 and filters through the fix with screw between the cup 5, and convenience of customers installs and dismantles, the washing of the switch stopper 7 of being convenient for.

For a better understanding of the working principle of the switch plug 7, reference is made to fig. 7 to 12. In this embodiment, the switch plug 7 is provided with a control spring 71 and a hook 73, the switch plug 7 is fixed to the sealing portion 70 in a snap-fit manner, and a self-locking switch 72 is provided between the hook 73 and the sealing portion 70, as shown in fig. 7, the self-locking switch 72 includes a claw 720, a return spring 721, a stopper 722, and a housing 723. As shown in fig. 8, when the self-locking switch 72 is in the initial state, the latch 720 is located at the top, the stopper 722 is located in the lower limit groove on the back of the latch 720, and the latch 720 releases the hook 73. As shown in fig. 9, when the user presses the switch plug 7 downward, the latch 720 is squeezed, and the stopper 722 slides upward along the lower back-side stopper groove, and due to the guiding action of the left-side inclined surface of the front stopper, the stopper 722 slides into the right-side stopper groove at the right of the back stopper toward the center, and the hook 73 is located in the latch 720. As shown in fig. 10, the switch plug 7 is continuously pressed, the latch 720 is continuously pressed, the stopper 722 finally pushes against the top surface of the back side stopper groove, the latch 720 is located at the lowest end, the hook 73 is located in the latch 720, at this time, the switch plug 7 is released, the latch 720 rebounds upwards under the action of the elastic force of the return spring 721, at this time, the stopper 722 moves downwards along the right wall of the back side stopper rib, when the stopper 722 reaches the gap between the back side stopper and the back side stopper rib, the stopper 722 slides into the gap due to the fact that the right wall of the stopper is more right than the back side stopper rib, at this time, the stopper 722 hangs on the L-shaped surface of the back side stopper under the action of the elastic force of the return spring 721, as shown in fig. 11, the position of the latch 720 is fixed in the contracted state, the latch 720 clamps the hook 73, the hook 73 of the switch plug 7 presses the sealing portion 70 downwards, so that the sealing portion 70 is sealed with the air outlet channel 21, the air outlet passage 21 is closed.

As shown in fig. 10, the switch plug 7 is pressed again, the latch 720 is pressed, so that the stopper 722 slides up along the L-shaped sidewall until it abuts against the inclined surface of the front side stopper rib, the stopper 722 will deflect outwards due to the guiding action of the inclined surface until the stopper 722 abuts against the top surface of the stopper groove, at this time, the switch plug 7 is released, the latch 720 rebounds upwards due to the elastic force of the return spring 721, the stopper 722 will fall into the rear side left stopper groove, then continuously slides downwards until the fixing portion of the latch 720 abuts against the fixing groove of the housing 723, at this time, the latch 720 returns to the initial state, the position of the latch 720 is fixed in the extended state, as shown in fig. 12, the latch 720 releases the hook 73, the spring 71 of the switch plug 7 pulls the sealing portion 70 to move, so that a gap is formed between the sealing portion 70 and the air outlet channel 21, and the air outlet channel 21 is opened, the gas is circulated. Of course, other suitable structures for controlling the opening and closing of the air outlet channel 21 can be adopted.

In addition to the above preferred embodiments, the present invention has other embodiments, and all other embodiments obtained by those skilled in the art without any creative work belong to the scope of the claimed invention.

Claims (10)

1. The utility model provides a multifunctional food processor, includes organism and the crushing subassembly of locating the organism, and crushing subassembly is including smashing cup, crushing motor and crushing cutter, and crushing motor installs in the bottom outside of smashing the cup, and crushing motor's output shaft stretches into and smashes the cup, and crushing cutter is located and smashes the cup and install on the output shaft of crushing motor, its characterized in that, the oral area sealing connection of smashing the cup has the filtration cup, filters the cup and covers and smashes the cup and form and seal the chamber, seals the intracavity and is equipped with the filter screen that is used for filtering the thick liquid, and multifunctional food processor has and smashes the cup and is located the pulping position of filtering the cup below and invert the filtration position that makes the crushing cup be located filtration cup top.

2. The multifunctional food processor as claimed in claim 1, wherein the bottom of the filtering cup body is provided with an air outlet channel, and a switch plug is provided in the air outlet channel, and the switch plug can open or close the air outlet channel.

3. The multi-function food processor of claim 2, wherein the top end of the switch plug is flush with or protrudes from the top wall of the filter bowl after the air outlet passage is closed.

4. The multi-function food processor of claim 2, wherein the bottom end of the switch plug is provided with a sealing portion which cooperates with the air outlet channel to close the same, and the upward movement of the switch plug causes a gap to be formed between the sealing portion and the air outlet channel, thereby opening the air outlet channel.

5. The multi-function food processor of claim 1, wherein the filter bowl includes a filter inner bowl and a filter outer bowl, the filter inner bowl and the filter outer bowl defining an insulated chamber therebetween, the filter inner bowl having a mouth portion sealingly engaged with the grinding bowl mouth portion.

6. The multi-function food processor of claim 5, wherein the body has a housing that fits over the periphery of the grinding cup, the housing having a top end that is removably attached to the outer filter body, the outer filter cup having an outer sidewall that is flush with an outer sidewall of the housing.

7. A multi-function food processor as defined in claim 1, wherein said strainer is removably secured to the mouth of the filter bowl.

8. The multi-function food processor of claim 7, wherein the strainer is secured to the inner filter cup by a rotational snap-fit connection or an interference fit.

9. The multi-function food processor of claim 7, wherein the strainer includes a handle located on a side of the strainer facing the grinding cup.

10. The multi-function food processor as recited in claim 1, wherein a safety switch is provided in said housing, said safety switch being activated when said filter cup and said grinding cup are properly connected.

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