JPS59125848A - Household ice cream maker - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Technical Field The present invention relates to an ice cream manufacturing machine, and more specifically, the present invention relates to an annular container provided with a blade member driven and rotated by a geared motor therein; This invention relates to a household ice cream manufacturing machine comprising a motor compressor, a condenser, and a cooling system comprising an evaporator provided adjacent to the outer wall and bottom of the annular container.

In conventional ice cream making machines of this type, the container is fixed to the body of the ice cream making machine and one evaporator is brought into direct contact with the wall of the container itself.

PRIOR ART However, with the above-mentioned conventional arrangements, the cleaning of a single container is not without difficulty, and the problems associated with this cleaning include, among other things, the cleaning of different types in rapid succession, as may be required in some cases. The disadvantage is that it is not possible to produce different ice creams.

OBJECTS OF THE INVENTION The present invention has been made in view of the above-mentioned drawbacks of the conventional machines of this type, and is capable of supporting a container in a removable manner within an annular vessel, and connecting the container with the container. An intermediate space is formed between the annular body and the annular body accommodates enough of the low freezing point liquid of fireflies to fill the intermediate space when the container is incorporated into the annular body, and It is an object of the present invention to provide an ice cream making machine of the above-mentioned type, particularly for domestic use, characterized in that an evaporator is arranged in such a way as to maintain a favorable heat exchange relationship with respect to the liquid. That is the purpose.

SUMMARY OF THE INVENTION According to the above configuration according to the present invention, the annular container can be removed from the main body of the ice cream manufacturing machine.
Cleaning becomes extremely easy. Moreover, the small and lightweight annular container is
In fact, they can be easily cleaned like back-to-back cooking utensils.

According to the ice cream making machine according to the invention, the intermediate space is formed by the outer side wall and the bottom of the annular container.

In a first embodiment of the invention, the evaporator is housed in the intermediate space and is immersed in the low freezing point liquid when the container is incorporated into the body.

In a variation of the invention, the annular body is made of a material with a high heat transfer rate, and the evaporator is welded to the outer surface and bottom of the outer wall of the body.

Thus - the evaporator does not need to be immersed in a low-freezing point liquid, further simplifying periodic cleaning of the annular vessel, and
According to the second formula, the volume of the intermediate space M - Therefore,
On the other hand, it is possible to reduce the slippage of low freezing point liquids.
A two-phase improvement in the delivery of the cooling system can be achieved and, on the other hand, it becomes easier to attach and detach the annular container to and from the ice cream production machine.

There is also a clear advantage in terms of appearance, since the evaporator coil is protected and shielded by the annular body and is not visible from the outside even if the annular container is removed.

EMBODIMENTS The structure of the present invention will be explained below with reference to the attached drawings regarding an m-embodiment.

In FIG. 1, an annular body 1 is fixed to a support (not shown) of a domestic ice cream making machine and has an external insulation 2. In FIG.

An annular flange portion 3 formed by horizontally bending one side outward is provided on the outer edge of the main body 1, and a vertical screw 4 is attached to the flange portion 3.

The annular container 5 is located inside the main body 1 and has an annular flange portion 6 around its outer edge that is bent horizontally outward and supported on the flange portion 3 of the main body 1. .

The flange portion 6 is provided with a hole into which a screw 4 is engaged, and a nut 7 is screwed into the screw 4 to detachably attach the container 5 to the main body 1. The nut 7 may be formed in a manner convenient for rapid manual manipulation, for example as a butterfly nut, or as a cylindrical nut with a knurled outer surface.

The radially inner part of the bottom of the container 5 is also supported on a step 1a formed in the bottom of the body 1.

Since the container 5 has a size smaller than that of the main body 1, it can contain a liquid with a lower freezing point, such as - salt water (seawater - 1>r
An intermediate space 8 is formed between the outer wall and the bottom of the body, which accommodates the main body (inc).

Inside the intermediate space 8, below the level of the low-freezing liquid, there is provided an evaporator coil 9, which coil 9 is provided with a cooling system provided with a motor-driven compressor 10 and a condenser 11 cooled by a fan 12. Configure part of the system.

The low freezing point liquid in the intermediate space has the function of ensuring good cold air transmission from the evaporator 9 to the container 5 without direct metallic contact between the two.

A tap for discharging low freezing point liquid] 3 is provided, and a geared mork unit 14 is provided. Rotate the shaft 15 having the shaft 15. As shown in the figure, one shaft 15ζ is surrounded by an inner side wall 1b of the main body 1, and the side wall 11) is further surrounded by an inner side wall 5a of the annular container 5.
surrounded by.

At the free end of the shaft 15 a vane 17 housed in the container 5 is keyed by means of a prism joint 16 in a known manner. A threaded portion is provided at the end of the shaft 15.
A nut 18, which can be operated with one hand, is engaged with the threaded part so that the axial IF blade part 17 can be inserted onto the threaded part.

Attach a removable lid 20 to close the container 5,
The lid 20 has a handle 2 in the center for convenience of handling.
1 will be provided.

After operation of the ice cream making machine according to Ichiki's invention according to the following explanation, the lid 20. It will be clear that the annular container 5 can be quickly removed by simply removing the pads 7 and 18, the vanes 17, etc.

The modified examples shown in FIGS. 2 to 4 are generally similar to the above-described embodiment, so only the differences will be described below, using the same reference numerals for the same parts.

In the above modification, the outer side wall 11) and the base wall IC of the annular body 1 are made of a material having a limited thermal conductivity, for example, usually copper, and the evaporator coil 9 is made of a wall portion], l)
And the outer surface of the IC is melted. Therefore - evaporator 9
is immersed in a low freezing point liquid in the intermediate space 8, which further simplifies the periodic cleaning of the container 5. The evaporator 9 is
Even if the annular container 5 is removed - in this way the main body 1'
In addition, the dimensions of the intermediate space 8,
As a result, there is the added benefit of reducing the need for low freezing point liquids.

In this variant, the internal wall of the body 1 is constituted by a cylindrical casing 22 fitted onto the shaft 15 and locked to the bottom of the body 1 by means of a ring nut 23. Similarly, the inner wall of the annular container 5 is constituted by a cylindrical casing 24 that surrounds the casing 22 and is locked to the base of the container 5 by a ring nut 25.

The removable connection between the container 5 and the main body 1 is welded to the annular flange 3 of the main body 1 and projects vertically upward to engage a corresponding oblong opening 27 formed in the annular flange 6 of the container 5. This is achieved by a pair of grooved pins 26. As clearly shown in FIG. 4, each opening 27 has an initially enlarged end portion 28 formed to allow each pin 26 to pass therethrough, and a narrow portion 29 for engaging the groove of the pin 26 when the container is rotated. and.

Two handles 30 are attached to the annular flange portion 6 to facilitate removal and reinsertion of the container 5.

In order to effectively close the intermediate space 8 in a gas-tight manner upon insertion of the annular container, an annular washer 31 made of an elastically yielding material is arranged between the annular flange 6 and the outer edge of the body 1.

In this modification, geared motor unit) 14ii - main body 1
and parallel to the axis 15. Motor unit 14
Although the connection between the shaft 15 and the shaft 15 is not shown, it is a known type of ν.
This is accomplished by a single toothed transmission belt via a launch.

Therefore, the present invention can achieve the intended purpose by having the configuration as described in detail in the above embodiments.

[Brief explanation of the drawing]

FIG. 1 is a partial cross-sectional schematic side view of a household ice cream manufacturing machine according to a first embodiment of the present invention, and FIG. 2 is a schematic side view of a household ice cream manufacturing machine according to a second embodiment of the present invention. Figure 1 is a partial cross-sectional schematic side view similar to Figure 1. Figure 3 is a schematic side view of Figure 2.
4 is a detailed sectional view of the main part of the figure, and FIG. 4 is a plan view showing the main part of FIG. 1. 1... annular vessel,
2... External insulation material, 3... Annular flange-4...
Screw, 5...Annular cont.
ainer), 6...flange part, 7...nando, 8
...Intermediate space, 9...Evaporator coil, 10...
Compressor-11... Condenser-12... Fan, 13.
・Tap, 14... Geared motor unit, 15...
・Shaft-17・Blade portion-18... Nando, 2o... Lid, 21... Handle, 22.24... Cylindrical casing, 26... Grooved pin - 27... Horizontal opening ,3o
...Handle, 31...Annular onesha. Patent applicant Preverati Gaggia Società Bell Accioni Patent attorney Aoyama Hajime and 2 others

Claims (1)

[Claims] ], an annular container (5) rotatably housing a blade portion (1η) driven by a geared motor (14), a compressor (101) with a motor, and a condenser (11). Evaporator coil (
9) and a cooling system comprising: an evaporator (9) disposed adjacent to the outer surface and bottom of an annular container (5); 5) is removably supported within the annular body (1) to form an intermediate space (8) between the container (5) and the body (1), and the body (1) includes a tea utensil (5). is incorporated into the body (1), it accommodates an amount of low freezing point liquid sufficient to fill the intermediate space (8), and the evaporator coil (9) is removed from the intermediate space (8). An ice cream manufacturing machine characterized by being arranged so as to maintain a favorable heat exchange relationship with the ice cream making machine. 2. An ice cream making machine according to claim 1, characterized in that the intermediate space (8) is formed by the outer side wall and the bottom of the annular container (5). 3. The ice cream manufacturing machine according to claim 1 or 2, wherein the annular container (5) is the main body (1).
characterized in that the evaporator coil (9) is housed in the intermediate space (8) such that when installed in the evaporator coil (9) it is immersed in the low freezing point liquid. 4. The ice cream manufacturing machine according to claim 1 or 2, wherein the main body (1) is made of a material having high thermal conductivity, and the evaporator coil (9) is made of a material having high thermal conductivity. ) is characterized by welding to the outer surface and bottom of the outer side wall. 5. An ice cream manufacturing machine according to claim 1 or 2, in which the annular container (5) is used as the main body (1).
The device is characterized in that it is provided with holding means (4°26) for locking the container (5) with respect to the main body (1) when inserted into the container. 6. Ice cream according to claim 5
- a mold manufacturing machine, wherein the outer edge of the container (5) has a corresponding bent flange (3) on the outer edge of the main body (1);
An annular flange part (6) bent horizontally outward supported on the top is provided with removable locking means (4, 26) for fixing the flange parts (3, 6) to each other. 7. The ice cream manufacturing machine according to claim 6, wherein the removable locking means includes screw means (4).
). 8. The ice cream manufacturing machine according to claim 6, wherein the removable locking means has a corresponding opening (27) having an enlarged end 1g+ formed in the annular flange (6) of the container (5). ), and the rail means (31) is interposed between the flange (6) of the container (5) and the corresponding edge of the main body (1). What to do. 9. The ice cream manufacturing machine according to claim 1 or 2, wherein one lower end is a geared motor (14).
A vertical shaft 05) (wing part 0'L) driven by a shaft 05) and extending into the central cavity of the annular body (1) is removably attached to the two ends of the shaft 05) and the annular body (1). A sealing means (19) is interposed between the inner wall of the container (5) and the inner wall of the container (5).