JPH0453278Y2 - - Google Patents

Description

[Detailed description of the invention] (Industrial application field) This invention relates to a chestnut roasting device.

(Prior Art) Conventionally, as this type of chestnut roasting oven device, the one disclosed in Japanese Utility Model Publication No. 14988/1988, which was already proposed by the inventor of the present invention, is known.

That is, as shown in the sectional front view of FIG. 5 and the plan view of FIG. 6, the pot 22 is integrally attached to the door 21,
A hollow bearing 23 is erected in the center of the hook 22, a main shaft 24 is provided passing through the hook 22 and the hollow bearing 23, and hollow shafts 25, 26 for impellers are fitted around the outer periphery of the hollow bearing 23. It is provided integrally with the main shaft 24. The first impeller 3 is connected to this impeller hollow shaft 26 via arms 27, 28, 29, and 30.
1, a second impeller 32, and a third impeller 33 are attached.

The first impeller 31 is disposed at the top outermost position inside the pot 22, the second impeller 32 is provided at an intermediate position at an intermediate height, and the third impeller 33 is disposed inside the pot 22. It is provided at the innermost position - the lowest position and the position closest to the innermost diameter.

In this conventional chestnut roasting oven device, when the main shaft 24 is slowly rotated in the direction of the arrow (clockwise) in FIG. A hole that looks like it was returned (not shown)
occurs.

At that time, the arms 29, 30 of the third impeller 33
This prevents chestnuts and pebbles from falling backwards. Moreover, the chestnuts are caught in the arms 29 and 30 and roasted well.

Further, the second impeller 32 pushes the chestnuts and pebbles outward. Then, the first impeller 31 lifts the chestnuts and pebbles that have been pushed outwards high along the outer peripheral edge of the upper opening of the pot 22.

Then, the chestnut and pebble that rose high became the third
Arrow A toward the hole formed in the impeller 33
flowing down in the direction. At the same time, the area is filled with pebbles from above. Therefore, it moves in a donut-shaped planetary motion, just like the earth orbiting around the sun.
Stirred.

(Problems to be Solved by the Invention) As a result of numerous prototype experiments, it has been found that the conventional apparatus shown in FIGS. 5 and 6 has the following problems.

Namely, (a) there is a problem where a stone is caught between the first impeller 31 and the pot 22, causing scratches on the inner surface of the pot 22; (b) the chestnuts are overcooked and the resulting baking cracks (the chestnut skin and The problem of occurrence of explosion due to water vapor between the fruit and the fruit, and
(c) There is a problem in that the chestnuts only move up and down at the outer periphery of the upper opening of the pot 22 and do not fall into the hole in the center.

(Means for Solving the Problems) In order to solve the above-mentioned problems, the present invention provides a main shaft vertically erected in the center of the pot forming an upwardly opening hemispherical recess, and A first impeller for lifting the chestnuts and stones upward is placed on the outermost part of the upper part of the hollow shaft for lifting the chestnuts and stones upward through an arm bent in a dogleg shape in the direction of rotation, and the chestnuts and stones are placed in the middle position on the hollow shaft exclusively fitted for the blades. a second impeller for guiding the chestnuts and stones in the outer radial direction, a third impeller for forming holes on the innermost side, and a fourth impeller for turning the chestnuts and stones over the hollow shaft. A wheel is provided close to the bottom of the inner surface of the pot, and is connected to the outermost part of the upper part and the first part through a horizontal straight arm above the arm.
A fifth impeller for guiding the chestnuts and stones in the inner diameter direction is provided on the hollow shaft at a symmetrical position of the impeller, and the area of the fifth impeller is smaller than the area of the first impeller. A chestnut roasting pot device characterized by:

(Function) Since the first impeller is installed on a hollow shaft dedicated to the impeller via an arm bent in a dogleg shape with respect to the rotation direction, there are no stones between the first impeller and the inner surface of the pot. If you try to bite, this arm elastically deforms to prevent scratches.

Since the fourth impeller is installed close to the inner bottom of the pot, it is close to the stove and sufficiently stirs the hot stones and chestnuts to roast the chestnuts evenly and prevent cracking.

Further, the fifth impeller guides the outermost chestnuts inward (inner diameter direction), drops the chestnuts into the hole formed at the position of the third impeller, and roasts them evenly.

By the way, the arm of the fifth impeller is provided above the arm of the first impeller to prevent stones and chestnuts from coming into contact with this straight arm, and the area of the fifth impeller is smaller than that of the first impeller. Since it is smaller than the area, the load applied to this arm is small, and as the arm of this fifth impeller, like the arm of the first impeller,
In order to elastically deform it, there is no need to bend it in a dogleg shape in the direction of rotation.

(Example) The illustrated embodiment will be described below.

In FIGS. 1, 2, and 3, reference numeral 1 denotes a pot forming a hemispherical recess with an upward opening, and a stove 2 is disposed below the bottom of the pot.

Reference numeral 3 denotes a main shaft that stands vertically at the center of the pot 1.

A hollow shaft 4 for an impeller is attached to the main shaft 3 in an externally fitted manner.

A first impeller 5 is provided on the upper outermost side of the hollow shaft 4 via an arm 11 bent in a dogleg shape with respect to the rotation direction.

This is because the arm 1 is bent into a dogleg shape due to the pressure of the stone caught between the pot 1 and the first impeller 5.
1 is to be elastically deformed by the action of a spring and to prevent scratches from occurring on the inner surface of the pot 1.

Note that the gap between the first impeller 5 and the pot 1 is approximately 5
It is better to use mm. The reason for this is that if it is about 5 mm, you won't have to chew the chestnut, and since the size of stones varies,
This is to allow small stones less than 5mm to escape.

Then, the second
The second impeller 7 and the third impeller 7 and 3 are located in the same position as the impeller 32 and the third impeller 33 and have the same function.
The impeller 6 is attached to the hollow shaft 4 as shown in FIGS.
Provided for.

Next, a fourth tube is attached to the hollow shaft 4 for the impeller, and a fourth
An impeller 8 is provided. This arrangement is to prevent the chestnuts from being overcooked, and the chestnuts and stones are placed in this fourth position.
This is to prevent cracking due to the reverse rotation by the impeller 8. (Normally, about 10% of quench cracks occur.) In this way, the yield is improved.

Next, 9 is the fifth impeller. The fifth impeller 9 is provided on the upper outermost side and at a position symmetrical to the first impeller 5.

That is, the fifth impeller 9 is provided on the hollow shaft 4 via a horizontal straight arm 15 above the arm 11.

By the way, in this case, the area of the fifth impeller 9 is set smaller than the area of the first impeller 5.

In addition, the innermost third impeller 6 in FIG. 1 has a slightly increased vertical height and is directly attached to the hollow shaft 4. In addition, as shown in Figure 4, arm 1
Alternatively, the third impeller 6 may be attached via 2.

The fifth impeller 9 is mounted opposite to the third impeller 6 at an angle (see FIG. 2).

In addition, the fifth impeller 9 can be used in other embodiments (FIG. 4).
It may also be formed to have a V-shaped cross section as shown in (the reference numeral is particularly indicated as 9').

Due to this arrangement, the fifth impeller 9 rolls the chestnuts, which do not move easily toward the center but only repeats up and down motions, to the center at the outermost side of the pot 1. It is configured to have the role of guiding it into a hole formed in the direction and causing it to fall.

This chestnut roasting oven device is constructed as described above.

The operation of this device is as follows: First, the main shaft 3, the impeller hollow shaft 4, each arm 11, 12, 15, 13, and each impeller 5, 8, 9, 6, 7 rotate as shown in FIG. Rotate slowly in direction D (arrow).

Therefore, the first impeller 5 rotates at the outermost side by utilizing the elasticity of the dogleg-shaped arm 11, and the fourth impeller 8 rotates at the bottom while turning the chestnut inside out. The fifth impeller 9 rotates while moving the outermost chestnut, which only moves up and down, inward toward the third impeller 6. (In this case, a hole will be formed in the direction of the third impeller 6, so this hole will be filled. Note that the "hole" is not shown.) The second impeller 7 rotates to move the chestnuts outward (indicated by the arrow). As mentioned above,
Each impeller 5, 8, 9, 6, 7 rotates as one.

Therefore, the arm 15 of the fifth impeller 9
Since it is provided above the arm 11 of the impeller 5, stones and chestnuts are unlikely to come into contact with this arm 15, and the area of the fifth impeller 9 is smaller than the area of the first impeller 5, the arm No. 15 is under almost no load. Moreover, since the fifth impeller 9 guides the chestnuts and stones in the inner diameter direction, stones are hardly caught between the fifth impeller 9 and the inner surface of the pot 1.

Therefore, unlike the arm 11 of the first impeller 5, the arm 15 of the fifth impeller 9 does not need to be elastically deformed and does not need to be bent in a dogleg shape with respect to the rotation direction.

In this way, chestnuts can be roasted efficiently and deliciously.

(Effects of the invention) The chestnut roasting oven device of this invention solves the problems (a), (b), and (c) of the conventional chestnut roasting oven, and can significantly improve the efficiency of chestnut roasting operations. There was no quenching cracking, and the yield was improved.

Furthermore, scratches on the inner surface of the pot 1 can be prevented.

Furthermore, the roasted chestnuts are roasted evenly and are more delicious than the traditional method.

[Brief description of the drawings]

Fig. 1 is a sectional view of one embodiment of the invention, Fig. 2 is a sectional view for explaining the operation, Fig. 3 is a plan view, Fig. 4 is a sectional view of another embodiment of the invention, and Fig. 5 is a sectional view of an embodiment of the invention. A sectional view showing the conventional example, and FIG. 6 is a plan view showing the conventional example. 1...Kettle, 3...Main shaft, 4...Hollow shaft, 5...
1st impeller, 6...3rd impeller, 7...2nd impeller, 8...4th impeller, 9...5th impeller.

Claims (1)

[Scope of utility model registration request] A main shaft 3 is vertically set up in the center of the pot 1 forming an upper opening hemispherical recess, and a hollow shaft 4 exclusively for blades is fitted onto the main shaft 3 and is bent in a dogleg shape with respect to the rotation direction. A first impeller 5 for lifting the chestnuts and stones upward is provided at the upper outermost side via the arm 11,
A second impeller 7 for guiding the chestnuts and stones toward the outer diameter is provided at an intermediate position, and a third impeller 6 for forming holes is provided at the innermost position. A fourth impeller 8 for turning over stones is provided close to the bottom of the inner surface of the pot 1, and the arm 1
Through a horizontal straight arm 15 above 1,
A fifth impeller for guiding the chestnuts and stones in the inner diameter direction is located at the uppermost outermost position and symmetrical to the first impeller 5.
A chestnut roasting kettle apparatus characterized in that an impeller 9 is provided on the hollow shaft 4, and the area of the fifth impeller 9 is set smaller than the area of the first impeller 5.