JP2741345B2 - Food processing equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a food processing device capable of cooking food by high-frequency induction heating such as a microwave oven and storing processed food like a can.

[0002]

BACKGROUND OF THE INVENTION A generally known method such as a retort pouch is to put food in a packaging bag such as a laminated film having heat resistance and no air permeability, and reduce the pressure inside the bag with a vacuum pump to heat the food. After sealing with a sealer, put in a retort and sterilize. In addition, both canned and bottled foods require processing before the interior is evacuated. That is, for this type, it is necessary to equip a packing device such as a vacuum pump, a heat sealer or a sealer capper. Also, for example, curry roux made at home is frozen in a freezer as a means of preserving it and stored in the refrigerator, but the amount of storage is limited due to the limited space in the refrigerator, and edible It takes time and effort to thaw the food, and it consumes a lot of power for long-term storage, which is uneconomical.

[0003]

2. Description of the Related Art Conventionally, as a food processing device of this type, a lid is removed from a container, food material, for example, curry roux is put into the container, the lid is covered, and a cap is loosened to open a nozzle hole. Put in microwave oven and energize for a few minutes. Water vapor is generated by the high-frequency induction heating, and the air in the container is released to the outside through the nozzle hole by the water vapor, so that the container becomes only water vapor. In this state, the sealed container is taken out of the microwave oven, the cap is immediately closed, the nozzle hole is closed with the cap, and the opening edge of the cap is pressed against the seal ring to improve the sealing performance. The sealed container is placed in a pressure cooker, and an appropriate amount of water is placed in the container body of the pressure cooker, and the pressure cooker is induction-heated in a microwave oven for a time necessary for cooking the food. After the required time has elapsed, remove the pressure cooker from the microwave oven, open the pressure cooker, take out the sealed container from the container body, and if necessary cool the sealed container with cold water, Is condensed by the cooling action. Due to this condensation action, the inside of the sealed container is brought into a vacuum state, and the bottom formed in the container and reversible toward the inside of the container is reversed toward the inside of the container to absorb the atmospheric pressure. In this state, the sealed container becomes a container that can be stored in the same way as canned.When edible, loosen the cap and open the nozzle hole, the inside of the sealed container becomes atmospheric pressure, the bottom of the container returns to the normal position, and the lid Has been proposed that can be easily opened. (For example, see Japanese Utility Model Publication No. 63-25448 and Japanese Utility Model Application Laid-Open No. 4-103498).

[0004]

When the sealed container containing the food is taken out of the microwave oven, steam is erupting from the nozzle hole, so that when the cap is turned to close the nozzle hole, handling is erroneous. In addition, sufficient attention is required and the operation is complicated.

[0005] It is an object of the present invention to provide a food processing machine which can easily and safely obtain foods prepared by using a microwave oven at home and preserved foods similar to conventional canned foods. It is in.

[0006]

SUMMARY OF THE INVENTION In order to solve the problems of the prior art, the construction of the present invention is to construct a pressure cooker comprising a container body and a lid with a heat-resistant and heat-insulating synthetic resin material. At least a high-pressure regulating valve, a low-pressure regulating valve, and a safety valve are provided on the upper surface of the lid, and a screw rod having an engagement means at the lower end in the center of the lid is screwed. In the main body, formed of a heat-resistant and heat-insulating synthetic resin material, the container and the lid can be disassembled by a screwing structure, and the food material is set at the center of the bottom of the container body via a detent structure. And a screw cylinder for forming a nozzle hole in the middle part is formed integrally with the lid at the center of the upper surface of the lid, and the screw cylinder is engaged with the engagement means of the screw rod. Screwing a cap with a locking means to fit, At the lower end of the screw rod, there is provided a fitting member having an inverted dish structure formed of a relatively soft synthetic resin material fitted on the upper portion of the cap, and a plurality of claw members are provided on the inner peripheral surface of the fitting member. The engaging means is formed at equal intervals, and on the other hand, on the outer periphery of the upper part of the cap,
A ratchet member for engaging and disengaging the claw member of the cup is provided to constitute the locking means, and a lower plate of the screw rod has a polygonal surface fitted on the upper portion of the cap on an inner peripheral surface of the inverted plate structure. The engaging means is constituted by providing a fitting member, and the locking means is constituted by setting the outer surface shape of the cap as a polygonal surface to which a polygonal surface of the fitting member is appropriately fitted; The lower end of the cap is configured as a cross pillar structure, and the engaging means is formed.On the other hand, the locking means is formed by forming a cross-shaped recess in which the cross pillar is appropriately fitted in the center of the upper surface of the cap. At the lower end of the screw rod, a horizontal engaging rod is provided to constitute the engaging means. On the other hand, on the upper surface of the cap, a recess is provided to which the engaging horizontal rod fits, and the locking means is provided. The plurality of protrusions are provided on the lower surface of the lower end of the screw rod. Provided seat plate constitutes the engagement means, while said protrusions on the upper surface of the cap is formed a plurality of recesses for people fitted respectively constitute the locking means,
The container constituting the sealed container is formed integrally with a bottom portion of a spherical bulging structure which is thinner than the body portion and which can be inverted toward the inside of the container.

[0007]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a plan view of a pressure pan, FIG. 2 is a vertical sectional front view of a pressure pan containing a sealed container, and FIG. 3 is a partially cutaway plan view of a first embodiment showing a screw engaging means and a cap engaging means. FIGS. 4a and 4b show a second embodiment, FIG. 4a is a partially cutaway front view of a screw rod, FIG. 4b is a plan view of a cap, and FIG.
5A is a front view of a screw, FIG. 5B is a plan view of a cap, FIGS. 6A and 6B are views of a fourth embodiment, FIG. 6A is a front view of a screw, and FIG. FIGS. 7A and 7B are plan views of the cap, FIGS. 7A and 7B show a fifth embodiment, FIG. 7A is a front view of a screw rod, and FIG. 7B is a plan view of the cap.

A shown in FIGS. 1 and 2 is a pressure pan,
The pressure pot A is configured as follows. That is, a container body 1 made of a synthetic resin material having heat resistance and heat insulation,
The lid body 2 is configured to rotate with a tapered slide surface with respect to the container main body 1 and to be hermetically coupled thereto. A low pressure regulating valve 3 for discharging to the outside;
A high pressure regulating valve 4 operating at a higher temperature than the low pressure regulating valve 3 and a safety valve 5 are provided. On the other hand, at the center of the upper surface of the lid 2, a screw 7 made of a hard synthetic resin having a lower end to which a to-be-fitted member 6 made of a relatively soft synthetic resin material is fixed is screwed. A plurality of claw members 8 are integrally formed at equal intervals on the inner surface of the periphery. In the figure, 9 is a rotary knob, and 10 is an O-ring for sealing. The pressure pot A is configured as described above.

B shown in FIG. 2 is a sealed container for foodstuffs,
The sealed container B is configured as follows. That is, it is composed of a container 11 made of a heat-resistant and heat-insulating synthetic resin material, and a lid 12 screwed onto an upper portion of the opening of the container 11. A screw tube 14 forming 13 is provided integrally. Screw tube 14
Has a screw portion 14a having a relatively small pitch, and a cap 15 is screwed to the screw tube 14.
Reference numeral 16 denotes an O-ring disposed on the outer periphery of the base of the screw tube 14. The lower side of the cap 15 is in close contact with the O-ring 16 when the cap 15 is screwed together, so that the inside of the container 11 is kept airtight. . Reference numeral 17 denotes a seal ring provided between the container 11 and the lid 12. On the other hand, the cap 1
A ratchet member 1 which engages with claw members 8 formed integrally with the fitting member 6 of the screw rod 7 on the outer periphery of the upper part of the screw rod 5 and causes the cap 15 to advance with respect to the screw cylinder 14 by the rotation of the screw rod 7.
8 are provided integrally. As positioning means for fitting the fitting member 6 provided at the lower end of the screw rod 7 on the upper part of the cap 15, a plurality of projections 19 are formed on the outer periphery of the bottom of the container 11, and the projections 19 are fitted. A matching recess 20 is provided on the inner surface of the bottom of the container body 1 constituting the pressure pan A, and the fitting of the projection 19 and the recess 20 positions the container 11 with respect to the container body 1 and the claw member When the cap 8 is engaged with the ratchet member 18 to rotate the cap 15, the container 11 is prevented from rotating. Furthermore, the container 11 is formed integrally with a bottom portion 21 of a spherical bulging structure which is thinner than the body portion and which can be turned inward toward the inside of the container 11. The sealed container B is configured as described above. The sealed container B
The structure for positioning and preventing the rotation of the pressure pot A with respect to the container body 1 is not limited to that of the illustrated embodiment because other means can be considered.

[0010]

Description of the operation The preservation processing of foodstuffs will be described based on the above embodiment. For example, 300c constituting the sealed container B
The lid 12 is removed from the container 11 having a capacity c, and 200 gr of food, for example, curry roux is put in the container 11 and then the lid 1 is placed.
2, the cap 15 of the screw tube 14 is loosened and the nozzle hole 13 is opened. As shown in FIG. 2, the sealed container B is put in the container body 1 of the pressure pot A, the projection 19 and the recess 20 are fitted to each other, and the positioning and the rotation are set. Add water. After the fitting member 6 provided at the lower end of the threaded rod 7 is fitted on the upper part of the cap 15 and the claw member 8 and the ratchet member 18 are engaged, the lid 2 is sealed to the container body 1. The pressure cooker A in which the sealed container B is set in the container main body 1 is put in a microwave oven (not shown) and energized for about 2 minutes. Water vapor is generated in the container 11 by the high-frequency induction heating for 2 minutes, and the air in the container 11 is released from the nozzle hole 13 into the container body 1 by the water vapor, and the air in the container body 1 also generates water vapor. A part of it is released to the outside. In this state, the pressure pan A is taken out of the microwave oven, and the screw 7 is rotated and advanced by an external operation of the rotary knob 9. This screwing is performed by the claw member 8 and the ratchet member 18.
The nozzle hole 13 is closed by screwing the cap 15 with respect to the screw tube 14, and the lower side of the cap 15 is pressed against the O-ring 16 to maintain the airtightness. Further, the rotary knob 9 is also pressed against the O-ring 10, and the airtightness of the screw 7 is maintained. The pressure cooker A in this state is again placed in the microwave oven and is subjected to high-frequency induction heating for about 3 minutes. After elapse of 3 minutes, the pressure cooker A is taken out of the microwave oven, and then the pressure cooker A is opened under reduced pressure to take out the sealed container B, and if necessary, the sealed container B is cooled with cold water. The water vapor in B is condensed by the cooling action, and the inside of the sealed container B is evacuated by the condensing action, and the bottom 21 of the container 11 is turned inward to absorb the atmospheric pressure. In this state, the sealed container B is a container that can be stored in the same manner as canned. When serving for food, loosening the cap 15 and opening the nozzle hole 13 causes the inside of the sealed container B to be at atmospheric pressure, and the bottom 21 of the container 11 is inverted. Then, the lid 12 can be easily opened. In this embodiment, when the lid 2 constituting the pressure pot A is rotated in the opening direction, the claw member 8 is idled without engaging with the ratchet member 18 and the cap 15 is not screwed off. .
Also, for example, put raw sardines and seasonings in the container 11,
The energization time is different, but by performing the same operation as above,
Cooking is also possible, and food cooking similar to canning can also be accomplished.

Next, second to fifth embodiments of the engaging means and the locking means will be described with reference to FIGS. 4A and 4B to 7A and 7B.
The second embodiment shown in FIGS.
A fitting member 23 having a fitting recess 22 having a regular hexagonal structure is integrally provided on the inner surface of the peripheral edge, and a cap 25 having a regular hexagonal surface 24 on which the fitting recess 22 fits is screwed to the screw cylinder 14. It was done. In this embodiment, the fitting surfaces formed on the outer surfaces of the fitted member 23 and the cap 25 are not limited to the regular hexagonal structure. FIG. 5a,
In the third embodiment shown in FIG. 3B, an engaging body 26 having a cruciform structure is integrally formed at the lower end of the screw rod 7 and the engaging body 2
6 is a cap 28 having a cross-shaped recess 27 into which the cap 6 is fitted. The fourth embodiment shown in FIGS. 6A and 6B is a horizontal
9 is provided, and a cap 31 in which a recess 30 in which the engaging lateral rod 29 is appropriately fitted is formed in the diameter direction is screwed to the screw cylinder 14. In the fifth embodiment shown in FIGS. 7A and 7B, a seat plate 33 having a plurality of projections 32 on the lower surface is provided at the lower end of the screw rod 7 and a plurality of recesses 3 to which the projections 32 fit respectively.
The cap 35 formed with the screw 4 is screwed to the screw cylinder 14. In the above-described second to fifth embodiments, the rotation of the screw 7 is transmitted to the caps 25, 28, 31, and 35 for screwing, and the nozzle hole 13 provided in the screw cylinder 14 is closed by an external operation. However, when the pressure pot A is opened, the caps 25, 28, 3
1, 35 also rotate about 1/4 in the direction opposite to the tightening direction.
However, since the pitch of the screw portion 14a formed in the screw cylinder 14 is small, the blockage of the nozzle hole 13 is not released at all, and the sealing action of the O-ring 16 is not affected. Needless to say, the pressure cooker A itself can be used for cooking rice and cooking foods.

[0012]

According to the configuration of the present invention as described above, the following effects can be obtained. (A) Cooking made at home can be easily preserved and processed using a microwave oven, and can be preserved in the same way as canned food, so that it does not squeeze the space inside the freezer as in frozen storage. In addition, long-term storage means is easy, and
Since the sealed container B can be used repeatedly, dust pollution due to disposal can be naturally resolved, and the nozzle hole provided in the screw cylinder of the sealed container B can be externally operated by the screw rod provided in the pressure pot A. It is possible to improve simplicity of handling and safety with a simple configuration. (B) By forming a spherically bulging bottom which can be turned inward toward the inside of the container constituting the sealed container B, it is possible to easily absorb the atmospheric pressure and, therefore, to withstand the atmospheric pressure. As a result, the entire sealed container is not unnecessarily formed into a thick structure, and the economic effect is large.

[Brief description of the drawings]

FIG. 1 is a plan view of a pressure pan.

FIG. 2 is a vertical sectional front view of a pressure pan in which a sealed container is set and accommodated.

FIG. 3 is a partially cutaway plan view of the first embodiment showing the engagement means of the screw rod and the engagement means of the cap.

FIG. 4A is a partially cutaway front view of a threaded rod. b is a plan view of the cap.

FIG. 5A is a front view of a screw rod. b is a plan view of the cap.

FIG. 6A is a front view of a screw rod. b is a plan view of the cap.

FIG. 7a is a front view of a screw rod. b is a plan view of the cap.

[Explanation of symbols]

 Reference Signs List A pressure cooker B sealed container 1 container body 2 lid 3 low pressure regulating valve 4 high pressure regulating valve 5 safety valve 6 fitted member 7 screw rod 8 claw member 9 rotary knob 10 O-ring 11 container 12 lid 13 nozzle hole 14 screw cylinder 14a Screw portion 15 Cap 16 O-ring 17 Sealing 18 Ratchet member 19 Projection 20 Depression 21 Bottom 22 Fitting recess 23 Fitting member 24 Regular hexagonal surface 25 Cap 26 Engagement body 27 Recess 28 Cap 29 Engagement horizontal rod 30 Recess 31 cap 32 protrusion 33 seat plate 34 recess 35 cap

Continued on the front page (51) Int.Cl. ⁶ Identification code FI F24C 7/02 551 F24C 7/02 551A

Claims (7)

(57) [Claims] 1. A pressure pan comprising a container body and a lid made of a synthetic resin material having heat resistance and heat insulation, and at least a high pressure regulating valve is provided on an upper surface of the lid constituting the pressure pan.
A low pressure regulating valve and a safety valve are provided, and a screw rod having an engagement means at the lower end is screwed into the center of the lid.
The container and the lid are formed of a heat-resistant and heat-insulating synthetic resin material inside the container body, and the container and the lid can be disassembled by a screwing structure. And a screw cylinder for forming a nozzle hole at an intermediate portion is formed integrally with a central part of the upper surface of the lid constituting the sealed container, and the screw cylinder is engaged with the screw cylinder. A food processing machine characterized by screwing a cap having locking means for engaging with the food processing device. 2. A fitting member having an inverted dish structure formed of a relatively soft synthetic resin material fitted on an upper portion of the cap and provided on a lower end of the screw rod, and a peripheral inner surface of the fitting member is provided with A plurality of claw members are formed at equal intervals to constitute the engaging means, while a ratchet member to which the claw member of the cup is disengaged is provided on the upper outer periphery of the cap to constitute the locking means. The food processing device according to claim 1, wherein: 3. The engaging means is constituted by providing a fitting member having an inverted dish structure having a polygonal surface fitted on an upper portion of the cap on an inner peripheral surface at a lower end of the screw rod.
2. The food processing device according to claim 1, wherein the outer shape of the cap is a polygonal surface on which a polygonal surface of the member to be fitted is appropriately fitted. 4. The engaging means is formed with a lower end of the screw rod as a cross pillar structure, and a cross-shaped recess is formed in the center of the upper surface of the cap so that the cross pillar fits properly. 2. The food processing device according to claim 1, wherein said food processing device comprises means. 5. The engaging means is constituted by providing an engaging horizontal rod in a horizontal position at a lower end of the screw rod, and a concave portion for fitting the engaging horizontal rod is provided on a diameter of an upper surface of the cap. 2. The food processing device according to claim 1, wherein the locking means is configured by a hook. 6. A lower end of the threaded rod is provided with a seat plate having a plurality of projections on a lower surface to constitute the engaging means. On the other hand, a plurality of recesses to which the projections respectively fit are fitted on an upper surface of the cap. 2. The food processing device according to claim 1, wherein said locking means is formed. 7. A container constituting the sealed container, wherein a bottom portion of a spherical bulging structure which is thinner than a body portion and which can be turned inward toward the inside of the container is integrally formed. The food processing device according to claim 1, 2, 3, 4, 5, or 6.