JPH0574367B2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention is a food processor that processes vegetables, meat, and other food materials in a cooking container by rotating a chopping cutter inside the cooking container. Regarding electric cookers such as sir.

[Conventional technology]

FIG. 17 shows a conventional food processor, in which reference numeral 1 denotes a bottomed cylindrical cooking container with an open top, which is detachably supported on the upper part of the main body case 2. As shown in FIG. Inside the main body case 2, a support plate 3 is secured with screws 4 at multiple locations (only one location is shown in FIG. 17), and a motor 5 is attached to this support plate 3, and a rotating shaft 6 is mounted on a bearing. It is rotatably attached via part 7. A drive shaft 8 that rotates integrally with the rotating shaft 6 is fitted,
A small gear 10 fixed to the rotating shaft of the motor is meshed with a large diameter gear 9 integrally formed at the lower end of the shaft 8. A cylindrical portion 11 that faces upward and has an open top end is integrally formed in the center of the bottom wall of the cooking container 1, and the drive shaft 8 passes through the bottom portion 11. A chopping cutter 12 that rotates integrally with the drive shaft 8 is removably fitted and attached to the drive shaft 8, and this cutter 12 covers the cylindrical portion 11 and has a pair of upper and lower cutter blades 12a.
It has at the bottom. Further, a lid 13 is removably fitted into the top opening of the cooking container 1. This lid 13 has an extension 14. The extending portion 14 is a switch portion 1 that protrudes from the upper surface of the main body case 2.
5 and is pressed down in the direction of the arrow in the center of FIG. 17 to turn on a switch (not shown) built in the switch section 15, and by releasing the pressing force, the switch is turned on.
It's starting to turn off.

In the food processor having such a configuration, after food ingredients are put into the cooking container 1, the lid 13 is closed as shown by the two-dot chain line in FIG.
By pushing down the extension part 14 of 3, the switch is closed and the motor 5 is operated. Thereby, the chopping cutter 12 in the cooking vessel 1
is rotated to process the food material.

In addition to electric cookers such as the food processors mentioned above, which were developed with the premise of cooking with a small amount of liquid stored in the cooking container, there are An electric cooker, ie, a mixer, which was developed on the premise that ingredients are added to the mixer for cooking, is conventionally known, and is shown in FIG. 19 or 20.

In these figures, reference numeral 21 denotes a bottle support with a cutter stand 22 attached therein, and a cooking container 24 having a vertically long cylindrical shape and having a plurality of ribs 23 formed on the inner circumferential surface is removably screwed into this. ing. A lid 25 is detachably attached to the top opening of the cooking container 24. Note that l in FIGS. 19 and 20 is the water level when the cooking container 21 is filled with liquid up to its rated capacity. Further, a cutter shaft 26 is rotatably attached to the center of the cutter base 22 via a bearing 27, passing through the cutter base 22. A driven coupling 28 connected to the lower end of the cutter shaft 26 is detachably engaged with a driving coupling driven by a motor (not shown). Furthermore, a pair of upper and lower cutter blades 29 are provided on the upper part of the cutter shaft 26.
A cutter 29 with a, 29 is attached. In addition, 30 in FIG. 19 and FIG. 20 is a rubber packing. In the conventional mixer shown in FIG. 19, the upper surface of the cutter stand 22,
And the lower cutter blade 29b of the cutter 20 is
Both are approximately horizontal, and the cutter 29
The upper cutter blade 29a is bent so as to actively agitate the liquid in the cooking container 24 and stir it in the vertical direction. Further, in the conventional mixer shown in FIG. 20, cutter blades 29a, 29
b are bent so that the liquid in the cooking container 24 can be stirred up and down by actively stirring the liquid in the cooking container 24, and due to the relationship in which the lower cutter blade 29b is bent in this way, the cutter stand 22 is It has a flank 22a that slopes downward.

The mixer with such a configuration handles food materials etc. put into the cooking container 24 together with a large amount of liquid.
At least one of the cutter blades of the cutter 29 is used to cut food materials, etc. while agitating the cutter blade in the vertical direction.

In these mixers, the food material is stirred and cut in the vertical direction along with the liquid as described above, so the tip of the cutter 29 is placed in the cooking container 24 in order to ensure the stirring effect. It is impossible to bring it close to the lower inner peripheral surface. Therefore, as the number of revolutions of the cutter 29 increases, it is necessary to make the cutter 29 smaller, and there is also a conflicting condition that, if this is done, the stirring efficiency in the vertical direction will decrease and the cutting performance will also decrease. In addition, the cooking container 2 is attached to the bottle support 21.
4 are screwed together, the cooking container 2 is attached to the cutter 29 due to the play in the screwed portion.
Even if the cutter 4 moves a little, it is necessary to prevent the cutter 29 from coming into contact with the inner peripheral surface of the lower end of the cooking container 24. Therefore, for these reasons, the tip of the cutter 29 and the inner circumferential surface of the lower end of the cooking container 24 are opposed to each other with a considerable distance g therebetween.

[Problem that the invention seeks to solve]

By the way, in the food processor described above, in order to enable ON/OFF operation of the switch using the lid 13, the opening end 1a of the cooking container 1 and the lid 13 are fitted into the container as shown in detail in FIG. It is necessary to provide a gap 16 between the portion 13a and the portion 13a.
At the same time, the upper end of the cylindrical portion 11 that stands up from the bottom wall of the cooking container 1 is opened to allow the drive shaft 8 to pass therethrough and to allow insertion and removal of the fitting cylindrical portion of the chopping cutter 12. There is.

Therefore, if you try to cook by storing a large amount of liquid in the cooking container 1 like in a mixer,
The liquid inside the cooking container 1 leaks to the outside from the gap 16 and the upper end opening of the cylindrical portion 11. Moreover, the cutter blade 12 of the chopping cutter 12
Since point a is horizontal, it is impossible to use the cutter 12 to stir the food material in the cooking container 1 along with a large amount of liquid in the vertical direction.
Therefore, for these reasons, conventional food processors have been unsuitable for use as mixers.

Further, in the mixer described above, the tip of the cutter 29 and the inner circumferential surface of the lower end of the cooking container 24 are configured to face each other with a considerable distance g, and the cooking container 24 has a vertically long cylindrical shape. A cutter 29 is disposed at the lower end thereof. Therefore, when food ingredients are put into the cooking container 24 with almost no liquid and used as a food processor, the cooking side items are rotated at the same speed as the cutter 29. Along with
Cooked food accumulates in the gap g, making it difficult to process it. Therefore, for these reasons, conventional mixers were unsuitable for use as food processors. Moreover, since the cutter 29 is made smaller by ensuring the above-mentioned gap g, its circumferential speed is also relatively small, resulting in poor cutting performance.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide an electric cooker that can be used both as a food processor and a mixer, and that can improve cutting performance during use.

[Means for solving problems]

The present invention has a lid removably attached to the top opening of a bottomed cylindrical cooking container, and a cutter blade disposed inside the cooking container and close to the inner surface of the bottom wall of the cooking container, and a cutter blade located above the cutter blade. Electric cooking, in which a chopping cutter having a cutter blade is rotated by the power of a motor built into a main body case that removably supports the cooking container to process food materials placed in the cooking container. Applies to vessels. Further, the present invention provides a shaft support rotatably supporting a cutter shaft into which the chopping cutter is removably fitted, and a shaft support that rotatably supports the cutter shaft, which is attached to the cooking vessel in a watertight manner by penetrating through the center of the bottom wall of the cooking container. The driven coupling ring connected to the lower end of the cutter shaft,
It is removably engaged with a drive coupling rotated by the power of the motor. The height of the cooking container is formed to be lower than the average inner diameter dimension of the cooking container, a plurality of vertical ribs are provided protruding from the inner peripheral surface of the cooking container, and at least one rib is provided on the inner surface of the bottom wall of the cooking container. Two protruding bottom ribs are provided. Furthermore, the diameter of the rotation locus of the outermost end of at least one of the pair of upper and lower cutter blades of the chopping cutter is approximated to the diameter of an inscribed circle inscribed in the vertical rib, The above object of the invention is achieved by attaching an annular packing that closely contacts the inner surface of the opening edge of the cooking container to the container fitting portion of the lid.

[Effect]

Since the cutter shaft is attached to the bottom wall of the cooking container via the shaft support, the relationship between the chopping cutter detachably attached to the cutter shaft and the inner peripheral surface of the cooking container remains constant. As a result, the outermost end of at least one of the pair of upper and lower cutter blades of the cutter can be brought close to the inner peripheral surface of the cooking container, and the cooking container and the cutter blade can nevertheless come into contact with each other. There is no. Therefore, the proportion of the cutter blade in the cooking container can be increased, which makes it easier for the cutter blade to contact the food material and increases the circumferential speed of the cutter blade. At the same time, the vertical ribs can reduce the rotation speed of the food material in the cooking container as described below. Furthermore, the bottom rib makes it easier for the food material to hit the cutter blade. Therefore, the machinability is improved when used as a mixer, and the machinability is similarly improved when used as a food processor.

In addition, by forming the height of the cooking container to be lower than the average inner diameter dimension of this cooking container, the height position of the water level when liquid is stored in the cooking container to the rated capacity is lowered, and this water level is lowered to the above level. The cutter blade can be brought closer to increase the chance of contact between the food material and the cutter blade. The cutter is rotated integrally with the cutter shaft as the cutter shaft is rotated via a drive coupling rotated by the power of the motor and a driven coupling engaged with the drive coupling. Moreover,
A plurality of vertical ribs provided on the inner circumferential surface of the cooking container and a bottom rib provided on the bottom wall provide resistance to the movement of food materials and liquid within the cooking container, causing these to rotate at the same speed as the cutter. Prevent this from happening. Therefore, when used as a mixer, the cutter does not cut while agitating the food ingredients and liquid in the cooking container vertically, but instead cuts as much as possible while stirring the food ingredients and liquid in the cooking container vertically. Cutting is performed based on the rotational speed difference between the food material and the cutter due to the resistance of the ribs. Furthermore, the shaft support is attached liquid-tightly to the bottom wall of the cooking container, and the annular packing attached to the container insertion part of the lid liquid-tightly closes the gap between the cooking container and the lid, so that the cutter Even if the liquid in the cooking container is violently agitated due to the rotation of the container, it can be prevented from leaking out of the cooking container.

〔Example〕

Hereinafter, one embodiment of the present invention will be described with reference to FIGS. 1 to 16.

In the figure, reference numeral 31 denotes a main body case made of synthetic resin having a top cover 31, and a motor 33 is fixed to a motor mounting plate 32 (see FIG. 1) mounted inside this case. A drive shaft 35 is rotatably supported in the center of the base portion 31b of the main body case 31 via a bearing portion 34, and this shaft 35 and the rotating shaft 33a of the motor 33 are connected via a transmission means 36. has been done. Note that the transmission means 36 is shown in FIG.
For example, a driving pulley 36a fixed to the lower end of the rotating shaft 33a, a driven pulley 36b fixed to the lower part of the driving shaft 35, and both pulleys 36a, 36
It is formed from a belt 36c wrapped around b. A drive coupling 37 is connected to the upper end of the drive shaft 35, and this is connected to the base 3.
It is exposed on the upper outer surface of 1b.

A cooking container 38 made of transparent glass and having a cylindrical shape with an open bottom and an open upper end is removably supported on the base portion 31b.

The inner surface of the bottom wall 38a of this container 38 is formed in a substantially horizontal shape without going down as far as the peripheral edge thereof, and at least one bottom rib 39 is formed on the inner surface of the bottom wall 38a as shown in FIGS. 4 and 5. As shown in the figure, they are integrally protruded along the radial direction.
The protruding height of the bottom rib 39 is approximately 2 mm, and
In this embodiment, its cross-sectional shape is a chevron as shown in FIG. However, the present invention is not limited to this, and the cross section of the bottom rib 39 can of course be implemented as shown in FIG. 7 or FIG. 8. Note that the arrows in FIGS. 6 to 8 indicate the rotational direction of the chopping cutter, which will be described later.

The inner peripheral surface of the peripheral wall of the cooking container 38 is, for example, 4°.
It is formed with a punching taper (of the mold) of ~10°, and a plurality of vertical ribs 40 are integrally formed on the inner peripheral surface of this peripheral wall. These vertical ribs 40 are continuously provided from an upper position avoiding the opening edge of the cooking container 38 to the bottom wall 38a. Note that in this embodiment, one vertical rib 40
Although the bottom ribs 39 are formed in series at the lower end of the bottom rib, it goes without saying that they may be provided separately.

The protruding height of these vertical ribs 40 is about 5 mm or less, and their cross-sectional shape is a chevron as shown in FIG. 9 in this embodiment. However, the cross section of the vertical rib 40 is not limited to this, and the cross section of the vertical rib 40 is
Of course, the embodiments can be implemented as shown in FIGS. 13 to 13, respectively. Along with this, the first
As shown in FIG. 4, vertical ribs 40 having different cross-sectional shapes and the same protruding height may be provided on the inner peripheral surface of the cooking container 38, and vertical ribs 40 having the same cross-sectional shape and the same height as shown in FIG. Vertical ribs 4 with different protrusion heights
0 may be provided on the inner peripheral surface of the cooking container 38. Furthermore, as shown in FIG. 16, vertical ribs 40 having different cross-sectional shapes and different protruding heights may be provided on the inner peripheral surface of the cooking container 38.
Note that the arrows in FIGS. 9 to 16 indicate the rotational direction of the chopping cutter, which will be described later.

The height A from the inner bottom surface to the top end of the cooking container 38 is the average inner diameter of the cooking container 38 (that is, the sum of the diameter B of the bottom wall 38a and the opening diameter C of the upper end of the cooking container 38). (expressed as 1/2). Furthermore, the cooking container 38
The rated capacity scale 4 is marked on the outer circumferential surface of the
1 (see FIG. 1). In addition, the first
In FIG. 5, 42 is the handle of the cooking container 38, and 43 is the handle of the cooking container 38.
is a spout formed at the upper opening edge on the side opposite to the handle 42.

Further, as shown in FIG. 1, a shaft support 44 is penetrated through the center of the bottom wall 38a of the cooking container 38. This shaft support 43 is attached by screwing a male threaded portion provided at its lower portion to a male threaded portion provided on a resin container stand 44 screwed to the lower surface of the bottom wall 38. And this shaft support 4
3, a rubber packing 45 is sandwiched between the annular flange portion 43a of the shaft support 43 and the edge of the shaft support through hole of the bottom wall 38a, thereby ensuring liquid tightness of the through hole. It is composed of

A cutter shaft 47 is rotatably supported by the shaft support 43 through a bearing portion 46 . At the lower end of the cutter shaft 47 that protrudes outside the cooking container 38,
A driven coupling 48 is connected to the driving coupling 37 and is detachably engaged therewith. This coupling ring 48 connects the cooking container 38 to the base portion 31b.
When placed on the cutter shaft 47, it engages with the drive coupling ring 37 and transmits the rotational force of the motor 33 to the cutter shaft 47. Further, a resin cover member 47a is attached to the portion of the cutter shaft 47 that protrudes into the cooking container 38.

A chopping cutter 49 is removably fitted to the cutter shaft 47 having a cover member 47a. Note that when the cutter 49 is fitted onto the cutter shaft 47, it engages with a rotation stopper provided on the cover member 47a, and the cutter shaft 47
It is designed to be rotated together with the

The chopping cutter 49 has a resin fitting part 4.
A knob portion 49b is formed at the upper end of the resin fitting portion 49a, and a pair of upper and lower cutter blades 50, 51 are attached to the lower portion of the resin fitting portion 49a. The lower cutter blade 51 is rotated close to the inner surface of the bottom wall 38a. Then, a pair of upper and lower cutter blades 5
0 and 51, the diameter of the outermost rotation locus (indicated by the two-dot chain line D in FIG. 4) is equal to the inscribed circle (in FIG. It is formed to have a size similar to the diameter of (shown in E). In other words, at least one of the cutter blades 50, 51 is provided as close as possible to the inner peripheral surface of the cooking container 38 as long as it does not interfere with the rotation of the cutter 49, and the degree of approximation can be expressed in another way. , as shown in FIGS. 1 and 4, from the center of the cutter shaft 47 to the cutter blades 50, 5.
radius r1 from the position where the outermost ends face each other to at least one outermost end of the cutter shaft 47.
The radius r2 to the center of is the ratio of r2/r1=0.80 to 0.99
It is designed to satisfy the following relationship.

Cooking container 3 with the scale 41 indicating the rated capacity
The height G from the inner bottom surface of the chopping cutter 49 is approximately 2.5 times or less of the distance H between the upper cutter blade 50 of the chopping cutter 49 and the inner bottom surface of the cooking container 38.
At the same time, when the chopping cutter 49 is attached to the cutter shaft 47, its knob portion 49b
is formed to have a height above the rated capacity scale 41.

The top opening of the cooking container 38 is covered with a lid 52 made of synthetic resin that is detachably attached thereto. The lid 52 is
It has an annular flange 53 that comes into contact with the open end of the cooking container 38, and a container fitting part 54 that fits into the upper part of the cooking container 38 below the flange 53. A rubber annular packing 55 is attached to the outer periphery of the container fitting portion 54.

Furthermore, as shown in FIGS. 2 and 3, the lid 5
2 is provided with a protruding hook portion 56 that engages with the spout 43 of the cooking container 38, and is also integrally provided with an operating protrusion 57 that protrudes laterally. Note that the lid 52 should first be tilted, and its hook portion 5
6 hooked onto the spout 43, the cooking container 38 can be attached by closing the upper opening of the cooking container 38 by pivoting it downward about this engagement point as a fulcrum. Then, by reversing this procedure, the lid 5 is removed from the cooking container 38.
2 is designed to be removed.

Further, in FIGS. 2 and 3, 58 is an operation button, and 59 is an actuator housing cylinder that is installed upright on the main body case 31 and houses an actuator for closing and operating a normally open switch (not shown), and the upper end thereof A notch 60 into which the operating protrusion 57 is inserted and removed is provided on the side surface of the portion. Insertion of the operating protrusion 57 into the notch 60 pushes the actuator (not shown) to close the switch and operate the motor 33. Note that insertion and removal of the operating protrusion 57 into and out of the notch 60 are as follows:
This is done by rotating the lid 52 placed over the cooking container 38 together with the cooking container 38.

To use the electric cooker of the above embodiment as a food processor to cook food materials such as meat and vegetables, use the chopping cutter 49 or A cutter for grating (not shown) is placed in the cooking container 38 attached to the cutter shaft 47, and the lid 52 is attached to the cooking container 38.
After closing the top opening, the cooking container 38 is set on the base 31b of the main case 31.

As a result, the driven coupling 48 engages with the driving coupling 37, and the switch is closed via an actuator (not shown).
Next, the user can operate the motor 33 by operating the operation button 58. Then, the power of the motor 33 is transmitted from the transmission device 36 to the cutter shaft 47 via the respective coupling rings 37 and 48. Therefore, since the chopping cutter 49 is rotated integrally, this cutter 49
Food materials are processed with a pair of upper and lower cutter blades 50 and 51 provided therein.

By the way, according to the configuration described above, the cutter shaft 4
7 to the bottom wall 38a of the cooking container 38 via the shaft support 43 rather than to the main body case 31 side.
Since this is attached, the relationship between the chopping cutter 49 attached to this shaft 47 and the inner peripheral surface of the cooking container 38 remains constant. Thereby, the outermost end of at least one of the cutter blades 50 and 51 of the cutter 49 can be brought close to the inner circumferential surface of the cooking container 38, and even though the cooking container 38 and the cutter blade 50, There is no contact with 51.

That is, the proportion of the cutter 49 in the cooking container 38 can be increased, thereby making it easier for the cutter blades 50, 51 to contact the food material, and increasing the circumferential speed of the cutter blades 50, 51. Therefore, cutting performance can be improved when used as a food processor as described above.

A bottom rib 3 is attached to the bottom wall 38a of the cooking container 38.
9 is provided, the bottom rib 39 causes the food material pieces cut into flakes by the cutter 49 to float upward, and the food material pieces remain stuck to the inner surface of the bottom wall 38a. It is possible to prevent this from occurring and improve machinability.

In addition, when using the electric cooker with the above structure as a mixer, except for storing food ingredients together with a large amount of liquid such as water, use the same operating procedure as when using it as a food processor as described above. do. The cooking container 38 is used to store such a large amount of liquid.
This is possible because the inside is sealed. In other words, although the height of the cooking container 38 is lower than that of a normal mixer as described above, the annular gasket 55 of the lid 52 provides a fluid-tight seal between the lid 52 and the cooking container 38. Therefore, even if the liquid inside the cooking container 38 is shaken violently, it is prevented from leaking out of the cooking container 38. In addition, since the shaft support 43 that supports the cutter shaft 47 passing through the bottom wall 38a of the cooking container 38 and the bottom wall 38 are liquid-tightly sealed with the rubber gasket 45, cooking liquid does not leak out from between these. Leakage to the outside of the container 38 can also be prevented.

When used as such a mixer, cooking is performed according to the following principle.

In other words, the height of the cooking container 38 is
By being formed to be smaller than the average inner diameter dimension of 8, the water level of the liquid stored in the cooking container 38 can be lowered and brought closer to the cutter blades 50, 51. This eliminates the need to agitate and stir the food material and liquid in the vertical direction, and allows the food material and liquid to easily come into contact with the cutter blades 50, 51 of the chopping cutter 49. Along with this, a plurality of vertical ribs 40 provided on the inner peripheral surface of the cooking container 38 and a bottom rib 39 provided on the inner surface of the bottom wall 38a.
This provides resistance to the movement of the food materials and liquid in the cooking container 38, and prevents these food materials and liquid from rotating at the same speed as the chopping cutter 49. A large speed difference can be created in the rotation with the pin cutter 49.

The pair of upper and lower cutter blades 50 and 51 process the food material based on the above-mentioned opportunities for contact between the food material and the chopping cutter 49 and the difference in rotational speed. Although the chopping cutter 49 suitable for use in a food processor is used due to this cutting principle, the cutter 49 can cut food materials into small pieces and mix them with liquid. Moreover, when used as a mixer, the rotation speed of the food material is reduced by the action of the vertical ribs 40 as described above, so the cutter blades 50, 51
As the proportion of the inside of the cooking vessel 38 increases, the circumferential speed of the cutters 50 and 51 increases, and cutting performance can be improved.

Although the above-mentioned embodiment has been constructed as described above, in the present invention, the cutter blade has a mechanism such as bending its tip upward, or tilting the entire body diagonally, to supplement the tilting action. It may be implemented in such a way that it is obtained.

In addition, when implementing the present invention, unless it is contrary to the gist of the invention, the main body case, motor, couplings, cooking container, bottom wall, cutter shaft, shaft support,
Vertical rib, cutting cutter, cutter blade,
It goes without saying that the specific structure, shape, position, material, etc. of the lid, the container fitting part, the annular packing, etc. are not limited to the one embodiment described above, and can be implemented in various forms.

〔Effect of the invention〕

According to the present invention, the gist of which is the configuration described in the claims above, the food processor can also be used as a food processor.
It also has the effect of being able to be used as a mixer, and also has the effect of improving the machinability when used as a mixer and when used as a food processor.

[Brief explanation of the drawing]

Figures 1 to 16 show an embodiment of the present invention, with Figure 1 being a partially sectional rear view, Figure 2 being a perspective view, Figure 3 being a plan view, and Figure 4 being a cooking method. A plan view of the container, FIG. 5 is a sectional view taken along the line - in FIG. 4, FIG. 6 is a sectional view taken along the line - in FIG. 4, and FIGS. 7 and 8 show different embodiments of the bottom rib. FIG. 9 is a cross-sectional view taken along the line - in FIG. 5, and FIGS. 10 to 16 are cross-sectional views corresponding to FIG. 9 showing different embodiments of the vertical ribs. It is a diagram. FIG. 17 is a partially sectional front view of a conventional food processor, and FIG. 18 is an enlarged view of the middle part of FIG. FIGS. 19 and 20 are longitudinal sectional side views showing parts of different conventional mixers, respectively. 31...Main body case, 33...Motor, 37...
... Drive coupling, 38 ... Cooking container, 38a
... Bottom wall, 39 ... Bottom rib, 40 ... Vertical rib, 4
3... shaft support, 45... rubber packing, 47...
... Cutter shaft, 48 ... Driven coupling, 49
... Chopping cutter, 50, 51 ... Cutter blade, 52 ... Lid, 54 ... Container fitting part, 55
...Annular packing, D...Rotation locus, E...Inscribed circle.

Claims (1)

[Scope of Claims] 1. A lid is removably attached to the top opening of a bottomed cylindrical cooking container, and a cutter blade disposed inside the cooking container and close to the inner surface of the bottom wall of the cooking container and the upper side thereof. A chopping cutter having a cutter blade located in the cooking container is rotated by the power of a motor built into the main body case that removably supports the cooking container, thereby processing the food material put into the cooking container. In an electric cooker, a shaft support rotatably supports a cutter shaft to which the chopping cutter is removably fitted;
A driven coupling ring connected to the lower end of the cutter shaft is detachably engaged with a driving coupling ring rotated by the power of the motor; and , the height of the cooking container is formed to be lower than the average inner diameter of the cooking container, a plurality of vertical ribs are provided protruding from the inner peripheral surface of the cooking container, and at least one rib is provided on the inner surface of the bottom wall of the cooking container. A bottom rib is provided to protrude, and the diameter of the rotation locus of the outermost end of at least one of the pair of upper and lower cutter blades of the chopping cutter is determined by the diameter of an inscribed circle inscribed in the vertical rib. An electric cooking appliance characterized in that a tubular packing is attached to the container fitting portion of the lid, which approximates the above-mentioned cooking container and closely contacts the inner surface of the opening edge of the cooking container.