JPS5839168Y2 - Attachment device for food containers in electric cooking machines - Google Patents

Description

[Detailed description of the invention] This invention relates to an electric cooking machine, and in particular, an electric cooking machine that includes a base housing a motor and a food container housing a cutter driven by the motor. The present invention relates to a mounting device for removably mounting a food container.

In the figure, reference numeral 1 denotes a synthetic resin electric cooking machine base, which has a raised part 1a for housing a motor 2 therein and a lower part 1b for attaching a food container, which will be described later, and has a horizontally long rectangular shape in plan view.

The lower part 1b has a cylindrical recess 4 on the upper surface, and in the center thereof,
An output shaft 5 projects, which is driven by the motor 2 via a belt 9 and a pulley 7.8.

The output shaft 5 has a drive-side joint 6 at the upper end within the recess 4 .

Reference numeral 10 designates a synthetic resin type food container, which has a cylindrical convex portion 10a extending downward from the annular wall on the bottom surface, and an opening on the top surface is covered with a lid 17 that can be opened and closed.

The food container 10 also includes an input shaft 14 extending through the center of the bottom wall and rotatable about a vertical axis.

The input shaft 14 has a driven side joint 15 which is detachably connected to the joint 6 at its lower end projecting from the bottom of the container, and a cutter 16 is removably connected to its upper end which projects into the container.

The cutter 16 shown in the drawing is a knife for slicing, and has a blade 16a cut and raised on the upper surface of a disc-shaped rotating body, and the material is inserted into the material input port 17H protruding from the upper surface of the lid 17 in a cylindrical shape. By pushing the material toward the cutter using the pushing rod 13, the material can be cut into thin pieces and stored in the container 10.

In addition to this, the knife can be replaced with a grated knife, a grinding knife, etc.

The food container 10 has a U-shaped handle 11 on its side surface with a grip parallel to the side surface, and has a spout 12 (FIG. 6) on the upper edge of the side surface opposite to the handle 11.

In FIG. 6, reference numeral 17b denotes a canopy-shaped piece integrally formed to protrude from the lid 17 so as to cover the upper part of the spout 12 in the closed state.

23 (Fig. 1) is a switch inserted into the power supply circuit of the motor 2, which is pressed and closed by a cam 20 formed protruding from the periphery of the lid 17, and the cutter does not rotate when the lid 17 is not attached to the container 10. It looks like this.

22 is a switch push button for selecting the rotational speed of the motor 2.

The mounting for removably attaching the food container 10 to the base 1 consists of the following configuration.

That is, the convex portion 10a of the food container 10 is provided with an engaging protrusion 24 protruding radially outward on the outer periphery of its lower end.

The retaining protrusion 24 has a flat surface 2 on its upper surface, which has a sloped surface 24a that gradually increases in height in the counterclockwise direction when viewed from above, and a semicircular projection 24C continuous from the upper end of the sloped surface in the middle.
4 b and a stopper 24 standing up against its flat surface.
d.

The recessed portion 4 of the base 1 includes a retaining receiving portion 25 that protrudes radially inward and a protruding portion 26 on its inner circumferential surface.

The engagement receiving portion 25 is located at a distance from the bottom surface of the recess 4 that corresponds approximately to the height of the flat surface 24b of the engagement protrusion 24, and has a semicircular recess 25a on its lower surface. It has a sloped surface 25b at the starting end in the clockwise direction.

The protrusion 26 protrudes into the recess 4 by the same size as the engagement receiving part 25, and has an upper surface at the same height as the engagement receiving part.

There are two locking receiving portions 25 and two protruding portions 26 facing each other in the diametrical direction of the recess 4, and the distance L1 between one locking receiving portion 25 and one of the protruding portions 26 corresponds to the engagement. The positional relationship between the receiving portion 25 and the other protruding portion 26 is determined so as to be larger than the distance L2 between the two.

Note that the length L3 in the circumferential direction of the engagement protrusion 24 is smaller than the L1 and larger than L2.

Further, the recess 4 has a rib-shaped protrusion 27 located between the two retaining receiving parts 25 on its bottom surface and extending in the radial direction.

As is clear from the above configuration, the convex portion 10 of the food container 10
a can be inserted into the recess 4 of the base 1 only at a position where the engagement protrusion 24 corresponds between the engagement receiving part 25 and the protrusion 26, where the distance L1 is larger than the length L3 of the engagement protrusion 24. can.

In this position, the bundle 11 of food containers 10 is located at the lateral rear of the base 1, as shown in broken lines in FIG.

After that, when the bundle 11 is rotated so as to be pulled toward you (clockwise when viewed from above), the engagement protrusion 24 enters the lower side of the retention receiving part 25, and the sloped surface of the engagement protrusion 24 24a is guided by the sloped surface 25b of the engagement receiving portion 25, and the flat surface 2
4b comes into contact with the lower surface of the engagement receiving part 25, and the stopper part 24d also comes into contact with the engagement receiving part 25 to restrict further rotation.

At the same time, the semicircular protrusion 24C on the upper surface of the flat part is elastically deformed, enters the lower side of the engagement receiving part 25, fits into the semicircular recess 25a, and rotates in the opposite direction to the rotation operation direction. It also suppresses looseness.

Further, since the lower end surface of the convex portion 10a is in contact with the rib-like protrusion 27 in the concave portion 4, the engagement receiving portion 25 presses the engagement protrusion 24 downward between the rib-like protrusions, and the convex portion 10
a or the elasticity of the material of the rib-like projections 27
a is fixed in the recess 4 so as not to easily loosen.

When the food container 10 is fixed to the base 1, as shown in FIGS. 2 and 3, the bundle 11 is placed above the front side corner 1C of the base 1 and diagonally from the container 10 to the front side. prominently located.

Note that when the driven side joint 15 inserts the protrusion 10a of the food container 10 into the recess 4, the protrusion 10a is positioned at the center of the four parts 4 by the inner end surfaces of the retaining receiving part 25 and the protrusion 26, so that the protrusion 10a is already driven. It is connected to the side joint 6.

Since the cutter 16 rotates clockwise when viewed from above, the container 10 will not loosen due to the rotation.

In order to remove the food container 10 from the base 1, the bundle 11 may be pushed diagonally backward and laterally through the side surface of the base 1, contrary to the above.

Next, the structure of the attachment portion between the food container 10 and the lid 17 will be explained.

The lid 17 has a U-shaped mounting arm 18 facing inward on its outer periphery, and the food container 10 has a fin piece 19 that protrudes like a flange on the outer periphery of its opening edge and penetrates into the U-shaped inner surface of the mounting arm 18. .

The fin piece 19 has a sufficiently large distance from the introduction end 19a to the stopper part 19b so that the mounting arm 18 is in contact with the stopper part 19b, that is, the cam 20 of the lid 17 closes the switch 23. Even after turning the lid 17 slightly counterclockwise to open the switch 23, it took enough time to return the mounting arm 18 to the introduction end 19a, and by the time the lid 17 was opened, the blade was removed. Be sure to slow down enough or stop.

Further, the fin piece 19 has an extension part 19C extending toward the spout 12, and the distance between the extension part 19C and the spout 12 is made smaller than the width of the mounting arm 18, and the fin piece 19 has an extension part 19C extending toward the spout 12. This prevents the attachment arm 18 from being inserted.

If the above-mentioned extension part 19C does not exist,
When the food container 10 is rotated in the direction to remove it from the base (counterclockwise direction) with the mounting arm 18 positioned between the fin piece 19 and the spout 12, the cam 20 of the lid closes the switch 2.
Pressing 3 will cause it to close, which is extremely dangerous.

In the electric cooking machine of the above embodiment, a shaft 14 separate from the output shaft 5 is provided in the food container 10 and the two are connected by a joint, but the joint and shaft 14 are eliminated and the output shaft 5 is extended. It is also possible to make it project directly into the food container 10 and attach a cutter to its upper end.

As described above, this invention provides a cylindrical recess surrounding the output shaft on the top surface of the base, and a cylindrical protrusion that fits into the recess on the bottom surface of the food container. A plurality of retaining receivers protruding radially inward from the bottom surface of the recess at intervals, and a plurality of protrusions located between the retaining receivers and having approximately the same radial length as the retaining receivers. and the spacing between one of the protrusions adjacent to it is different from the distance between the other protrusion, and the side surface of the convex part is provided with a A plurality of locking protrusions are provided to be inserted and fixed between the bottom surface of the recess, and the circumferential length of the locking protrusions is set to be longer than the distance between the engagement receiving part and one of the protrusions adjacent thereto. Since it is formed to be larger and smaller than the distance between the two protruding parts, the protruding part of the food container is guided by the inner end surface of the retaining part in the recess and the protruding part, so that the protruding part of the food container reliably aligns with the center of the recess. This allows the output shaft to be easily and accurately connected to the cutter.

In addition, the retaining protrusion provided on the convex portion is inserted into the gap between the retaining receiving portion and one protrusion adjacent to it, but not into the gap with the other protrusion, so that the food container is It is fixed to the base only at a specific point, and the food container can always be placed in a fixed direction with respect to the base.

In other words, if the food container is equipped with a handle, the handle can always be placed in a fixed, easy-to-operate position, or if the food container or lid opens and closes a motor circuit in the base, the food container The switch can be used safely without erroneously operating the switch due to mounting it in the wrong position with respect to the base.

[Brief explanation of drawings]

Figure 1 is a cutaway front view of essential parts of an electric cooking machine that embodies this idea, Figure 2 is a plan view of Figure 1, and Figure 3 is II of Figure 1.
4 is a developed view of the inner peripheral surface of the base recess, FIG. 5 is a perspective view of the base recess and the protrusion of the food container, and FIG. 6 is a perspective view of the top of the food container and the lid. It is. Explanation of symbols 1: Base, 2: Mo/Yu, 4: Recess, 5
: Output shaft, 10: Food container, 10a: Convex part, 24: Engagement projection, 25: Engagement receiving part, 26: Projection part.

Claims (1)

[Scope of utility model registration request] 1. In an electric cooking machine comprising a base having a motor inside and an output shaft protruding from the top surface, and a food container having a cutter inside that is placed on the top surface of the base and connected to the output shaft, the top surface of the base a cylindrical recess surrounding the output shaft; a cylindrical plate protrusion that fits into the recess on the bottom of the food container; A locking receiver including a plurality of protruding engagement receiving portions and a plurality of protruding portions located between the locking receiving portions and having approximately the same radial length as the locking receiving portions. A plurality of pieces are inserted and fixed on the side surface of the convex part between the retaining receiving part and the bottom surface of the recess, the distance between the part and one protruding part adjacent thereto being different from the interval with the other protruding part. A locking protrusion is provided, and the length of the locking protrusion in the circumferential direction is larger than the distance between the locking receiving part and one protrusion adjacent thereto and smaller than the distance between the other protrusion. A food container mounting device characterized by: 2. The food container mounting device for an electric cooking machine according to claim 1, wherein the food container has a handle on its side surface. 3. The food container or its lid closes the motor circuit in the base by fixing the food container in a fixed position relative to the base, as claimed in claim 1 or 2 of the registered utility model. A food container attachment device for electric cooking machines.