KR20220129748A - An apparatus for controlling the discharge of steam in a pressure rice cooker - Google Patents

Abstract

The present invention relates to a steam discharge control device for a pressure cooker. The steam discharge control device for a pressure cooker includes: a central support shaft having a steam discharge passage through which steam passes along the length direction therein while being inserted and fixedly installed in the through hole formed in a lid of the pressure cooker; a weight that is inserted and installed outside the central support shaft to move up and down; a steam breaker equipped with a wedge-shaped blocking pin coupled to the upper end of the weight and selectively blocking a steam discharge hole of the steam discharge passage formed on the central support shaft; and a cylindrical case coupled to the outside of the weight inserted into the central support shaft at the lower end of the central support shaft to surround the weight at a predetermined distance. According to the steam discharge control device of the pressure cooker of the present invention, by turning a lever of the cylindrical case to open the steam discharge hole, the present invention is convenient to safely and conveniently open the steam discharge passage to control the forced discharge of steam without manually opening a hot weight blocking the steam discharge hole or opening the same using a tool such as a stick as in the prior art.

Description

An apparatus for controlling the discharge of steam in a pressure rice cooker

The present invention relates to a steam discharge control device for a pressure cooker, and more particularly, to a steam discharge control device for a pressure cooker that allows forcibly opening a steam discharge hole by a simple operation of a lever when the internal pressure of the pressure cooker increases.

In general, pressure cookers install an inner pot for cooking rice in a separate housing, attach a lid to the housing, and cook rice at high pressure while sealing the inner pot with the lid.

In such a pressure cooker, when the steam pressure inside the housing increases to more than a predetermined value during the cooking process, the steam is discharged so that the internal pressure of the pot is kept constant, so delicious rice can be cooked and safety from high-pressure steam is guaranteed. A steam discharge control device is provided for this.

The steam discharge control device provided in a general pressure cooker usually punches a through hole in the lid covering the housing of the rice cooker, and installs a valve with a weight in this through hole, so that the steam pressure inside the housing exceeds the weight of the weight. When the steam inside the rice cooker is lifted, the steam is discharged by opening the outlet of the steam discharge passage.

However, the weight for controlling the steam emission used in the steam emission control device of the pressure cooker as described above is not a structure that allows the weight to be varied as needed, but is manufactured to have a constant weight. The pressure controlled by it is also constant.

Therefore, after the food inside the rice cooker of the pressure cooker is finished and cooked, even if the pressure inside the rice cooker becomes more than a predetermined value, the weight does not open completely and the weight is only partially lifted. The pressure outlet is completely opened by touching the weight blocking the pressure outlet by hand or by using another tool such as a stick to pull the weight out of the hole of the pressure release valve, so operation is cumbersome and inconvenient. there was ham

[Publication 1] Korean Patent Registration Publication No. 10-0820909 (2008. 04. 11. Announcement) [Text 2] Korean Patent Registration Publication No. 10-10-0926106 (November 11, 2009 Announcement) [Moon 3] Korea Utility Model Registration Publication 20-0157755 (1999. 10. 01. Announcement)

Accordingly, the present invention solves the problem of the steam discharge control device mounted on the conventional pressure cooker as suggested above, and in the pressure cooker in which the pressure inside the rice cooker maintains the high pressure by blocking the pressure outlet with a weight, When it is necessary to adjust the pressure inside the rice cooker after cooking is complete, simply turning the lever lifts the weight blocking the steam discharge hole and controls the steam discharge of the pressure cooker to open the steam discharge hole. The purpose is to provide a device.

The pressure cooker in which the steam discharge control device of the present invention is installed for achieving the above object includes an inner pot for cooking food with food to be cooked, a heating unit for heating the inner pot by generating heat, the inner pot and It comprises a housing for accommodating the heating unit, and a lid for sealing the housing in an airtight state by covering the housing in which the inner pot is accommodated.

The steam discharge control device of the present invention mounted and used in the pressure cooker as described above is inserted and fixedly installed in the through hole formed in the lid of the pressure cooker, and the central support shaft in which the steam discharge passage through which steam passes along the longitudinal direction is formed. , a weight inserted and installed to be movable up and down outside of the central support shaft, a wedge-shaped blocking pin coupled to the upper end of the weight to selectively block the steam discharge hole of the steam discharge passage formed in the central support shaft It consists of a steam blocker and a cylindrical case fitted to the outside of the weight at the lower end of the central support shaft and coupled to surround the weight at a predetermined distance.

On the other hand, the central support shaft has a small-diameter portion formed with an outer diameter smaller than the other portions in a middle portion of the vertical length, a locking sill formed with a large outer diameter at the lower end of the small-diameter portion, and formed at the lower end of the central support shaft to form the center It has a structure provided with a threaded portion that allows the support shaft to be inserted and fixed in the through hole of the lid.

And the cylindrical case is seated so as to be hung on the multi-stepped step formed on the lid of the rice cooker at different heights, and the cylindrical case is provided with a locking jaw that is hooked on the multi-stepped step, so that the locking step of the cylindrical case is different in height from the lid of the rice cooker. The cylindrical case is moved up and down as it is selectively hung on the formed multi-step.

In addition, a protruding lever is installed on the outer edge of the cylindrical case, and when the protruding lever is turned, the cylindrical case rotates to change the position where the locking jaws of the cylindrical case engage with the multi-steps formed on the rice cooker lid.

In the device of the present invention having such a configuration, the central support shaft is fitted into the through hole of the lid and fixed by a fixing nut from the bottom of the lid, and a weight is inserted into the small diameter part of the central support shaft fixed in this way through a snap ring and assembled. , the snap ring is inserted so that the center of the snap ring is caught in the small diameter of the central support shaft in a state where the periphery of the snap ring is inserted and coupled into the ring groove formed on the inner surface of the weight.

Therefore, the weight is coupled to move up and down by the length of the small-diameter portion formed on the central support shaft via the snap ring.

And when a spring, a support washer, and a cylindrical case are sequentially inserted under the central support shaft, the spring is caught on the protruding protruding protrusion of the central support shaft, and the support washer is in close contact with the inside of the cylindrical case while being elastically supported by the spring. Thus, the cylindrical case is elastically supported by a spring against the locking jaws of the central support shaft and can be moved up and down.

On the other hand, the cylindrical case has a locking jaw protruding inwardly therein, and the diameter of the locking jaw is slightly smaller than the diameter of the weight. It is caught on the edge and pushes the weight upward, and when the weight is pushed upward, the steam blocker coupled to the top of the weight rises upward together.

When the steam blocker rises, the blocking pin provided in the steam blocker exits from the steam outlet hole, thereby opening the steam outlet hole.

The steam discharge control device of the pressure cooker according to the present invention increases the pressure inside the rice cooker while cooking rice, and when it is necessary to release some of the pressure inside the rice cooker, by turning the cylindrical case using the lever, the cylinder The cylindrical case rises upward as the locking jaw provided on the bottom of the wing of the case climbs on the multi-step formed on the lid of the rice cooker. Let it go out so that the steam inside the rice cooker can be discharged.

As described above, the steam discharge control device of the pressure cooker according to the present invention is a cylindrical case by turning the protruding lever or cylindrical case body serving as a handle when it is necessary to discharge steam in a state where the internal pressure is increased after the rice of the rice cooker is cooked. As it moves upward, the weight and the steam blocker are pushed up in sequence to open the steam discharge hole to discharge steam.

Therefore, the device according to the present invention does not need to touch the weight or the steam blocker heated hot by steam with a hand or other tools to discharge the steam, so it is convenient and simple to discharge the steam of the pressure cooker. will be.

1 is an overall front view of a pressure cooker installed with a device according to the present invention;
2 is an overall cross-sectional view of a pressure cooker installed with a device according to the present invention;
3 is a perspective view showing only the device according to the present invention separated from the pressure cooker;
4 is an exploded perspective view of a device according to the present invention;
5 is an exploded cross-sectional view of a device according to the present invention;
6 is a perspective view showing the structure and location of the multi-stepped step formed on the lid of the pressure cooker to which the device according to the present invention is installed;
7 is a perspective view of a cylindrical case cut in half to show the internal structure of the cylindrical case constituting the device according to the present invention;
8 is a cross-sectional view of a state in which steam is discharged from the apparatus according to the present invention, and the wedge-shaped steam blocking pin of the steam blocker coupled to the weight is blocking the steam discharge hole of the steam discharge passage formed on the central support shaft. ,
9 is a view showing a process in which steam is discharged from the apparatus according to the present invention, wherein the wedge-shaped steam blocking pin of the steam blocker coupled to the weight is lifted by the cylindrical case while the steam in the steam discharge passage is formed on the central support shaft. It is a cross-sectional view showing the state in which the steam discharge hole is opened after coming out of the discharge hole.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Figure 1 is an overall perspective view of a pressure cooker installed with a device according to the present invention, Figure 2 is an overall cross-sectional view of a pressure cooker equipped with a device according to the present invention, Figure 3 is a perspective view showing only the device according to the present invention, 4 is an exploded perspective view of the apparatus according to the present invention, and FIG. 5 is an exploded front sectional view of the apparatus according to the present invention. The rice cooker includes a heating unit (1) that generates heat using electricity or other heat sources, an inner pot (2) that cooks food using the heat generated by the heating unit (1), and the heating unit (1) It consists of a housing 3 with an open top while accommodating the inner pot 2, and a lid 4 that selectively seals the upper open end of the housing 3 so that the food contained in the inner pot 2 is cooked under pressure. .

As shown in Figures 1 and 2, the steam discharge control device (A) according to the present invention is installed and used on the lid (4) of the pressure cooker as described above.

As shown in Figs. 3, 4 and 5, the steam discharge control device (A) of the present invention is inserted and fixed in the through hole 41 formed in the lid 4 and installed along the longitudinal direction therein. A central support shaft (5) having a steam discharge passage (51) through which steam passes, a weight (6) inserted and installed to be movable up and down outside of the central support shaft (5), and an upper end of the weight (6) A steam blocker 7 having a wedge-shaped blocking pin 71 that is coupled to and selectively blocks the steam discharge hole 52 of the steam discharge passage 51 formed in the central support shaft 5, and the central support shaft It consists of a cylindrical case (8) fitted to the outside of the weight (6) at the lower end of (5) and coupled to surround the weight (6) at a predetermined interval.

On the other hand, the central support shaft 5 has a small-diameter portion 52 having an outer diameter smaller than that of the other portions in the middle part of the vertical length, and a locking jaw ( 53) and a screw thread portion 54 is formed at the lower end of the central support shaft 5, respectively.

The threaded portion 54 has the central support shaft 5 inserted into the through hole 41 of the lid 4 from the lower side of the lid 4, as shown in FIGS. 8 and 9, with the nut 55 and packing. (55a) to be fixed.

In addition, the spring 56, the support washer 57, and the cylindrical case 8 are sequentially fitted under the central support shaft 5, so that the spring 56 protrudes from the central support shaft 5. The support washer 57 is supported by being caught on the 53, and the support washer 57 is in close contact with the inside of the cylindrical case 8 while being elastically supported by the spring 56.

Accordingly, the cylindrical case 8 is elastically supported by the spring 56 with respect to the locking protrusion 53 of the central support shaft 5 so that it can move up and down.

The weight 6 is assembled by being fitted to the small-diameter portion 52 of the central support shaft 5 via a snap ring 61. While a part is in a cut-out form, a thin wire having good elasticity and thickness forms only the rim of the snap ring, so that the interior except for only the rim of the snap ring 61 forms an empty space 61a.

The snap ring 61 has an outer edge of the outer diameter inserted into a ring groove 62 formed on the inner surface of the weight 6, and the inner edge of the snap ring 61 is a small diameter portion of the central support shaft 5 ( 52), the weight 6 is hooked to the central support shaft 5 through the snap ring 61 and coupled thereto.

The weight 6 coupled to the central support shaft 5 in this way can move up and down along the small-diameter portion 52 of the central support shaft 5 through the snap ring 61 .

And the cylindrical case (8) is fitted into the installation groove (43) formed in the upper end of the lid (4) of the rice cooker as shown in Figure 6, and is seated. A plurality of multi-stepped steps 42 having different heights are formed on the bottom surface of the installation groove 43 , while a locking jaw 81 is provided at the edge of the cylindrical case 8 , the cylindrical case 8 . When it is fitted into the installation groove 43 of the lid 4 , the locking jaw 81 is fitted to be hooked on the multi-stepped step 42 .

In this way, when the cylindrical case 8 is rotated in a state in which the locking jaw 81 of the cylindrical case 8 is caught on the multi-stepped step 42 of the installation groove 43 , the locking jaw 81 is formed on the lid 4 . The cylindrical case 8 is moved up and down according to the height of the multi-stepped step 42 while riding on the multi-stepped step 42 .

In addition, the cylindrical case 8 may be rotated by installing a protruding lever 82 on the outer edge of the cylindrical case 8 and holding and turning the protruding lever 82 .

On the other hand, as shown in FIGS. 5 and 7, the cylindrical case 8 has a protruding jaw 83 protruding inward therein, and the diameter D1 of the protruding jaw 83 is It is made slightly smaller than the diameter D2 of the weight 6, and as described above, when the cylindrical case 8 moves up and down, the protruding jaw 83 is attached to the lower edge jaw 61 of the weight 6 It is caught and pushes the weight 6 upward, and when the weight 6 is pushed upward, the steam cutoff 7 coupled to the upper end of the weight 6 rises upward together.

And a plurality of ribs 83a are formed on the upper surface of the protrusion 83 at regular intervals in the circumferential direction, and when the cylindrical case 8 is in close contact with the weight 6 , the protrusion 83 . It is possible to make the ribs 83a arranged and formed at regular intervals without direct contact with the lower surface of the weight 6 come into contact with each other.

On the other hand, when the steam shutoff port 7 is pushed upward as described above, the wedge-shaped blocking pin 71 coupled to the steam shutoff port 7 escapes from the steam outlet hole 52 and the steam outlet hole ( 52) will be opened.

When the steam discharge hole 52 is opened in this way, the high-pressure steam of the inner pot 2 is installed on the lid 4 and through the steam discharge passage 51 of the central support shaft 5 communicating with the inside of the inner pot 2, the It exits to the outside through the steam discharge passage (51).

As such, when the high-pressure steam of the inner pot (2) exits through the steam discharge passage (51) to the outside and then the cylindrical case (8) is rotated in the opposite direction again, the locking jaw (81) of the cylindrical case (8) is the lid. As it is caught on the lower multi-step (42) of (4) and moves downward, the cylindrical case (8) comes down.

When the cylindrical case 8 descends downward, the weight 6 in contact with the protruding jaw 82 protruding in the inner direction of the cylindrical case 8 through the edge jaw 61) of its own weight. It comes down together with the cylindrical case 8 by the It blocks the steam discharge hole (52).

When the steam blocking pin 71 blocks the steam discharge hole 52, the outlet of the steam discharge passage 51 is blocked, so steam discharge is stopped, and the high-temperature steam of the inner pot 2 is no longer discharged.

As shown in FIG. 8, the device according to the present invention is, as shown in FIG. 8, the steam cut-off pin ( 71) starts in a state that blocks the steam discharge hole (52).

When heat is applied to the inner pot (2) in the state in which the steam blocking hole (52) is blocked and the rice is cooked and the steam pressure inside the pressure cooker reaches the highest level, a part of the high-pressure steam is released through the steam outlet passage (51). The steam cut-off pin 71 pushed up by the pressure of the weight 6 comes up and is partially discharged while slightly pushing up, thereby automatically adjusting the pressure of the inner pot (2).

In this way, when it is necessary to manually adjust the steam pressure of the inner pot (2) in a state in which the pressure of the inner pot (2) is automatically adjusted, hold the lever (82) provided in the cylindrical case (8) by hand and the cylindrical case (8) ), as described above sufficiently and shown in FIG. 9, the cylindrical case 8 pushes up the weight 6 and the steam support 7 together and the steam discharge hole 52. is completely opened, and when the steam discharge hole 52 is opened in this way, the high-pressure steam of the inner pot 2 is discharged through the steam discharge passage 51 to lower the steam pressure of the inner pot 2 .

As described above, in the device according to the present invention, as the cooking is completed in the pressure cooker, the steam pressure inside the rice cooker becomes high enough to exceed the weight of the weight 6 blocking the steam discharge passage 51, the cylinder By turning the lever 82 of the case 8, it is possible to manually open the steam discharge hole 52.

Therefore, when the device according to the present invention is used, the steam discharge passage can be safely and conveniently opened without manually opening the hot weight blocking the steam discharge hole as in the prior art or using a tool such as a stick to open it. It is possible to obtain the convenience of being able to control the forced discharge of steam by opening it.

A - Steam emission control device B - Electric pressure cooker
1 - heating part 2 - inner pot
3 - housing 4 - lid
5 - central axis 6 - weight
6a - Internal space 7 - Steam cutoff
8 - Cylindrical case 9 - Steam discharge space
41 - through hole 42 - multi-stepped
43 - Installation groove 51 - Steam exhaust passage
52 - small caliber 53 - catchment jaw
54 - threaded part 55 - nut
56 - spring 57 - support washer
61 - snap ring 61a - empty space
61b - edge jaw 62 - ring groove
71 - steam shut-off pin 81- jamming jaw
82 - protruding lever 83 - protruding jaw
83a - rib 83b - space

Claims (2)

An inner pot for cooking food with food to be cooked, a heating unit for heating the inner pot by generating heat, a housing for accommodating the inner pot and the heating unit, and a lid for sealing the inner pot in an airtight state by covering the housing in which the inner pot is accommodated A steam discharge control device installed on the lid of the pressure cooker and configured to discharge the steam of the inner pot;
The steam discharge control device is inserted and fixed into the through hole formed in the lid, and a central support shaft having a steam discharge passage through which steam passes along the longitudinal direction is formed therein, and the weight is inserted and installed to move up and down outside of the central support shaft A weight, a steam blocker having a wedge-shaped blocking pin that is coupled to the upper end of the weight and selectively blocks the steam discharge hole of the steam discharge passage formed on the central support shaft, is inserted outside of the weight at the lower end of the center support shaft It consists of a cylindrical case coupled to surround the weight with a predetermined interval;
The cylindrical case is seated on the lid of the rice cooker so as to be hung on multi-stepped heights formed differently from each other, and the cylindrical case is provided with a locking jaw that is hooked on the multi-stepped step, so that the locking jaws of the cylindrical case are formed with different heights on the lid of the rice cooker. The cylindrical case is coupled to be movable up and down as it is selectively hung on the multi-step;
As the cylindrical case is manually rotated, the cylindrical case moves up and down while moving the weight that blocks the steam discharge of the inner pot up and down to block or open the steam outlet hole. of steam emission control device
The lower end of the central support shaft of claim 1, wherein the central support shaft has a small-diameter portion formed in a middle portion of the vertical length with an outer diameter smaller than that of the other portions; Steam discharge control device of a pressure cooker, characterized in that it is provided with a threaded portion that is formed in the central support shaft to fit and fix the central support shaft into the through hole of the lid.

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