JPS6222156Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] This invention relates to a frozen dessert maker that can easily produce frozen desserts such as ice cream and sherbet by cooling mainly in a household refrigerator.

[Prior art] This kind of conventional frozen dessert making machine is shown in Figs. 9 to 11.
As shown in the figure, a bottomed cylindrical outer container 1 and an inner container 2 are shown.
are combined while forming a space 3 between these two containers 1 and 2, and a cold storage agent 4 is sealed in the space 3 to form a double container 5, and the upper edge of the double container 5 is A bottomed cylindrical outer container 7 is fitted with a ring 6 made of a flexible material such as rubber, and the outside of the double container 5 is made of synthetic resin or the like and is provided with a handle 7a. The upper end of the outer container 7 supports the support step 6a of the ring 6. A detent recess 7b is formed in a part of the upper edge of the outer container 7, and a protrusion 6b that can be engaged with the recess 7b is formed on the support step 6a of the ring 6. Rotation relative to the container is prevented. A lid receiving portion 6c is formed on the upper surface of the ring 6, and a lid 8 is removably fitted into the lid receiving portion 6c. A stirring blade 9 is provided at the center of the lid 8, and a stirrer 10 inserted into the double container 5 is supported. A handle 12 is detachably attached to the rotating shaft 11 of the stirrer 10.

Then, the double container 5 was cooled in a refrigerator for several hours to freeze the cold storage agent 4 inside, and then the frozen dessert material was put into the double container 5 and frozen in a thin layer in the double container 5. The frozen dessert ingredients are stirred using the stirring blade 9 of the stirrer 10.
When the frozen dessert material is stirred to scrape it off, the entire frozen dessert material becomes ice cream-like or sherbet-like, making it possible to make a frozen dessert.

[Problems to be solved by the invention] However, since the conventional frozen dessert maker is as described above, the ring 6 is mainly used to prevent the double container 5 from rotating.
Because this was done by the holding force of
Due to the frictional resistance between the stirring blade 9 and the frozen dessert on the inner surface of the double container 5, the double container 5 may slip against the ring 6, and the stirring blade 9
There is a problem in that there are cases where it becomes impossible to scrape off frozen desserts, making it impossible to make ice cream or the like.

[Means for solving the problem] This invention was devised in view of the above-mentioned circumstances, and its purpose is to form a space between the bottomed cylindrical outer container and the inner container. a double container having a refrigerant sealed in the space, a bottomed cylindrical outer container housing the double container, a removable lid, and a removable lid. It comprises a stirrer that is rotatably supported in the center and can be plunged into the double container, and a handle that is detachable from the rotating shaft of the stirrer, and the outer container is attached to each connecting end. It is divided into an upper half and a lower half that are separably coupled to each other by formed male and female threaded parts or a convex part and a groove that can fit into each other, and the upper half faces inward at the upper part of the upper half. By interposing a friction material in at least one of the step formed by the double container and the upper end of the double container, or the bottom of the double container and the bottom of the lower half, the double container becomes an outer container. To provide a frozen confection making device which is securely fixed to the frozen confectionery, prevents the double container from spinning idly due to stirring blades during the manufacture of the frozen confectionery, and allows the work of making ice cream etc. to be easily performed.

[Example] Fig. 1 is a vertical cross-sectional view of a frozen dessert maker according to this invention, and in the drawing, 20 is a double container, for example, an inner container 21 and an outer container each made of a bottomed cylinder and made of aluminum alloy. 22 are connected to each other at intervals on the bottom and circumferential surfaces to form a space 23, and are formed into a bottomed cylindrical shape that is hemmed around each flange 24 and is open at the top. . In this case, the inner container 21 and the outer container 22
This is an aluminum alloy plate that is deep-drawn and then coated with an anodic oxide coating over its entire surface. In addition, in the space 23 formed between the inner and outer containers 21 and 22, a cold storage agent 2 is placed before tightening.
5 is included. The cold storage agent 25 is, for example, based on water or carbonated water to which a necessary amount of organic or inorganic substances such as alcohol, sodium chloride, or an organic thickener is added to achieve the desired viscosity.
Its melting point temperature is adjusted within the range of -7°C to -17°C.

The lower half of the double container 20 is covered with a lower half 26 of an outer container made of synthetic resin or the like and formed into a cylindrical shape with a bottom, while the upper half of the double container 20 is similarly made of synthetic resin or the like and covered with a cylindrical shape. Upper half 2 of the outer container formed in
7, at which time a step 28 is formed at the upper end of the upper half 27 to protrude inward, and a step 28 is fitted into the upper end of the double container 20. After it is installed, a friction material 29, which will be described in detail, is brought into contact with it. Connecting portion 31
By screwing together the female screw portion 31a at the lower end of the upper half body 27 and the male screw portion 31b of the lower half body 26, the friction material 29 is held between the step portion 28 and the double container 20. The upper half 27
and the lower half body 26.
A double container 20 is fixed to 2. As shown in FIG. 3, the connecting portion 31 includes a plurality of pins 33, which are convex portions planted at appropriate intervals on the outer circumference of the lower end of the upper half body 27, and
A plurality of grooves 3 are formed at appropriate intervals on the inner circumference of the upper end of the lower half body 26.
4.
Further, as shown in FIGS. 4 and 5, a friction material 2 interposed between the double container 20 and the outer container 32
Reference numeral 9 denotes a packing 35 which is interposed between the upper edge of the double container 20 and the stepped portion 30 and is formed into a ring shape with a C-shaped or H-shaped cross section by a flexible material such as rubber. Alternatively, as shown in FIGS. 6, 7a and 7b (partial vertical sectional view and plan view of the lower half) or FIG. 8, the bottom of the double container 20 and the lower half 26 A ring-shaped or piece-shaped packing 3 formed of a flexible material such as rubber between the bottom and the bottom.
It is also possible to set it to 6. By interposing the packings 35 and 36 in this manner, the double container 20 can be held securely by the outer container 32.

As shown in FIG. 2, a transparent synthetic resin lid 37 is removably fitted to the upper end of the upper half 27. As shown in FIG. In this case, a plurality of hanging pieces 38 are formed on the edge of the lid 37 at appropriate intervals, and
A plurality of notches 39 that are hooked onto the hooking pieces 38 are formed in the stepped portion 30 at appropriate intervals, thereby preventing the lid 37 from rotating with respect to the outer container 32.

Further, as shown in FIG. 1, a bearing 41 is provided at the center of the lid 37 to rotatably support a stirrer 40, which will be described later. Furthermore, a recess 43 is provided at the center of the inner bottom of the double container 20 to receive a rotating shaft 42 that constitutes a part of the stirrer 40.

The stirrer 40 is constructed of a rotating shaft 42 that has a large diameter portion 45 having a fitting groove 44 with a non-circular, for example, rectangular cross section at the upper end, and a small diameter portion 46 that extends below the large diameter portion 45. A pair of stirring blades 47 protrude sideways from diagonal positions and have their tips close to the inner circumferential surface of the double container 20, and are detachable from the fitting groove 44 of the rotating shaft 42. The rotation shaft 42 and the stirring blade 47 are rotated by a handle 49 which is entirely formed in the shape of a crank and has a shaft 48 in the shape of a rectangular cylinder for connection that can be freely fitted therein. In this case, the stirring blades 47 are formed parallel to each other with a gentle inclination of about 10 to 20 degrees with respect to the axis of the rotating shaft 42,
The frozen dessert ingredients put into the double container 20 can be stirred uniformly. The handle 49 also includes a crank-shaped handle body 50 having a connecting shaft 48 at one end below, and the handle body 50.
Knob 5 rotatably attached to the top of the other end of 0
1. When the agitator 40 is not in use, the agitator 40 can be removed by pulling out the shaft 48 from the fitting groove 44, and the agitator 40 can be used as a cooling container such as an ice bucket.

[Operation of the invention] To manufacture frozen desserts using the frozen dessert maker of this invention configured as described above, first, the double container 20 is cooled in a refrigerator for several hours to freeze the cold storage agent 25 inside. let Next, the double container 20, the outer container 32, the lid 37, and the stirrer 40 are assembled at a predetermined location, and the frozen dessert material is put into the double container 20. At this time, the frozen dessert material becomes a thin layer and freezes inside the double container 20, so if the stirring blade 47 of the stirrer 40 is used repeatedly to scrape it off, the entire frozen dessert material will become ice cream-like or sherbet in about 10 minutes. It becomes like this.

[Effect of the invention] As explained above, according to the frozen dessert maker of this invention, the double container 20 is sandwiched between the upper half 27 and the lower half 26 of the outer container 32 via the friction material 29. Since it is fixed to the outer container 32,
When manufacturing ice cream, etc., double containers 20
This has the effect that ice cream and the like can be manufactured more easily in a shorter time without idling due to the frictional force with the stirring blade 47.

[Brief explanation of the drawing]

Fig. 1 is a longitudinal sectional view of the frozen dessert maker according to this invention, Fig. 2 is a partial perspective view of the same frozen dessert maker, and Fig. 3 is a partial perspective view of another embodiment of the same frozen dessert maker. 4 to 8 are sectional views showing different embodiments of the frozen dessert maker, and FIGS. 9 to 11 are longitudinal sectional views, a partial sectional view, and a perspective view of the conventional frozen dessert maker. It is a diagram. In the drawings, 20...double container, 21...inner container, 22...outer container, 23...space, 25...
...Cold storage agent, 26...Lower half of outer container, 27...
... Upper half of outer container, 28 ... Stepped part, 29 ...
Friction material, 31...Connection part, 31a...Female thread part,
31b...Male thread part, 32...Outer container, 33...
...Pin (protrusion), 34...Concave groove, 35, 36...
Packing (friction material), 37... Lid body, 40...
It is a stirrer.

Claims (1)

[Scope of utility model registration request] A double container comprising a bottomed cylindrical outer container and an inner container connected to each other with a space formed between the two containers, and a cold storage agent sealed in the space;
A cylindrical outer container with a bottom that houses this double container,
It comprises a detachable lid, a stirrer that is rotatably supported in the center of the lid and can be thrust into the double container, and a handle that is detachable from the rotation shaft of the stirrer. The outer container is divided into an upper half and a lower half that are separably coupled to each other by male and female threaded portions formed at each connecting end or a convex portion and a groove that can fit into each other. , a friction material is applied to at least one of the step portion formed inwardly at the top of the upper half, the upper end of the double container, or the bottom of the double container and the bottom of the lower half. A frozen dessert maker with an intervening device.