KR102358889B1 - Electrical pressure rice cooker - Google Patents

Abstract

The present invention relates to an electric pressure cooker in which the inner surface of the inner cylinder of the steam cap wraps the outer circumferential surface of the open guard surrounding the first steam outlet for the pressure weight in a closed type.

Description

Electric pressure cooker {ELECTRICAL PRESSURE RICE COOKER}

The present invention relates to an electric pressure cooker in which the inner surface of the inner cylinder of the steam cap wraps the outer circumferential surface of the open guard surrounding the first steam outlet for the pressure weight in a closed type.

In general, an electric pressure cooker is a device capable of selectively performing a cooking function capable of cooking rice and a warming function capable of maintaining the cooked rice at a constant temperature.

In such an electric pressure cooker, a lid having a steam discharge hole formed on the upper portion of the main body is installed to be opened and closed, an inner pot is removably built in the inside of the main body, and an inner pot lid is separately provided to cover the inner pot, and in the main body An induction heating method or a hot plate type heater is provided to transfer heat to the cooking object accommodated in the inner pot, that is, rice, grains, or other food materials to be cooked.

1 is a cross-sectional view showing the main configuration of the lid of the electric pressure cooker according to the prior art, the lid 200 of the electric pressure cooker is a lid body 210, a pressure weight 220, a solenoid valve 230, a nozzle ( 240).

The lid body 210 is formed with a first steam outlet 212 and a second steam outlet 214 for discharging steam during or after cooking operation. The pressure weight 220 is installed at the first steam outlet 212 via the nozzle 240 , and the solenoid valve 230 is installed at the second steam outlet 214 .

The pressure weight 220 is a metal member having a significant weight, and normally completely closes the nozzle 240 . However, when the internal pressure of the electric pressure cooker is greater than the weight of the pressure weight 220, the pressure weight 220 is shaken sideways like a chive by the vapor pressure to open the nozzle 240 from time to time, and accordingly, the steam is discharged to the outside. will be discharged Accordingly, the internal pressure of the electric pressure cooker is constantly maintained by the operation of the pressure weight 220 as described above.

On the other hand, Figure 2 is a view showing the steam discharging assembly of the electric pressure cooker, the pressure weight 324, a portion of the first guard 420 blocking the steam discharged to the vicinity or downward forms a second guard (440). The first guard 420 is formed only on a portion of the circumference of the first steam outlet 240 to block the steam discharged through the first steam outlet 240, and the second guard 440 around the rest of the circumference except for the part. is formed so as to block the steam discharged through the first steam outlet 240 .

In this way, since the second guard 440 wraps around the rest of the circumference except for a part of the first guard 420, the steam coming out of the pressure weight 220 is scattering in all directions, and the surrounding is polluted by scattering, and the area is not covered. There is a possibility that outside air may flow into the inside of the rice cooker.

Korean Utility Model Publication No. 20-0433505

The present invention has been devised to solve the above problem, and the purpose of the present invention is to provide an electric pressure cooker that minimizes the penetration of air into the rice cooker from the outside while preventing contamination of the surroundings by improving the scattering of the discharged steam. have.

In order to achieve the above object, the electric pressure cooker according to claim 1 of the present invention is an electric pressure cooker comprising a main body having an inner pot, a lid, and a hinge portion for pivotally supporting the lid with respect to the main body. , a steam cap including a lower housing and an upper housing, and a groove formed on the upper side of the lid and in which the steam cap is separably seated, and a first steam outlet for pressure weight and a solenoid valve at the bottom of the groove A second steam outlet, a drain hole, and an open-type guard protruding and having an opening are formed around the first steam outlet, and the lower housing includes an outer passage, an inner passage through which the pressure addition passes, the inner tube and the outer tube It is made of a bottom connecting the , the upper housing is formed with a through-hole and a steam discharge hole to which the pressure is added, and an inner surface of the inner cylinder is characterized in that it surrounds the opening and the outer surface of the open-type guard.

According to the present invention, there are the following effects.

By adopting a sealed structure in which the inner cylinder of the steam cap wraps around the opening and the entire perimeter of the open guard, the inner cylinder prevents scattering of steam discharged from the pressure weight, thereby preventing contamination of the surroundings and maximally suppressing the penetration of air into the inside of the rice cooker from the outside. can do it

1 is a cross-sectional view showing the main configuration of the lid of the electric pressure cooker according to the prior art.
Figure 2 is a view showing the steam discharge assembly of the conventional electric pressure cooker.
Figure 3 is a side view showing an electric pressure cooker according to a preferred embodiment of the present invention.
Figure 4 is an external perspective view showing the separation of the steam cap from the electric pressure cooker of Figure 3;
Figure 5 is an enlarged perspective view of the steam cap of Figure 4;
Fig. 6 is a side view of Fig. 5;
7 is a cross-sectional view taken along line 7-7 of FIG. 5;
Figure 8 is a perspective view showing the steam cap is separated.
Figure 9 is a perspective view of the steam cap of Figure 4 turned over.
10 is a cross-sectional view partially cut back and forth in a state in which the steam cap is mounted.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, and the same reference numerals are given to the same parts as those of the prior art, and detailed descriptions are omitted.

Figure 3 is a side view showing an electric pressure cooker according to a preferred embodiment of the present invention, Figure 4 is an external perspective view showing the steam cap is separated from the electric pressure cooker of Figure 3, Figure 5 is an enlarged steam cap of Figure 4 6 is a side view of FIG. 5, FIG. 7 is a cross-sectional view taken along line 7-7 of FIG. 5, FIG. 8 is a perspective view showing the steam cap separated, and FIG. 9 is the steam cap of FIG. is a perspective view viewed from the inside out, and FIG. 10 is a cross-sectional view partially cut off front and back in a state in which the steam cap is mounted.

3 and 4, the electric pressure cooker according to a preferred embodiment of the present invention connects the rear of the main body 10 and the lid 30, and the main body 10 and the lid 30, which form a large external shape. It consists of a hinge part (50).

A detachable inner pot is housed inside the main body 10 .

A groove 31 in which the steam cap 70 is detachably seated is formed on the upper side of the lid 30 .

A first steam outlet 240 for the pressure weight 220 and a second steam outlet 230 for a solenoid valve are disposed at the bottom of the groove 31 .

In addition, a fence-shaped open-type guard 33 is formed around the second steam outlet 230 .

A drain hole 35 is formed at the bottom edge of the groove 31 facing the opening 33a of the open guard 33 .

In addition, as shown in FIGS. 4 and 9 , it is preferable that a stopper 37a for protrusions is formed inside the groove 31 to prevent the steam cap 70 from being seated by being pressed hard.

The stopper 37b for a groove formed in the lower housing 80 of the steam cap 70 is seated on the stopper 37a for the protrusion, and the moment the steam cap 70 is seated in this way, the steam cap 70 is no longer pressed.

As shown in FIGS. 5 to 8, the steam cap 70 includes a lower housing 80, an upper housing 90, and a locking part 100a for locking the upper housing 90 with respect to the lower housing 80 ( 100b).

The lower housing 80 is, as shown in FIGS. 7 and 8 , an outer cylinder 81 , an inner cylinder 83 through which the pressure weight 220 passes, and a bottom connecting the inner cylinder 83 and the outer cylinder 31 . It consists of (85).

A second lower outlet 87 connected to the second steam outlet 230 is formed on the bottom 85 .

The bottom 85 is inclined so that its depth increases from the front to the rear.

9 and 10 , the inner surface of the inner cylinder 83 surrounds the entire outer circumference of the open guard 33 and the opening 33a, and an inner flange is formed at its upper end 83a.

In this way, since the inner surface of the inner cylinder 83 takes a closed type that wraps around the entire outer surface of the open guard 33 and the opening 33a, prevention of contamination due to scattering of steam around the rice cooker and air from the outside into the inside of the rice cooker Prevention of performance degradation due to inflow can be achieved.

The inner flange takes the form of covering the upper end of the open guard 33 and the opening 33a.

Further, an opening 83b is formed on the front side of the inner cylinder 83 .

The opening 83b faces the opening 33a of the guard 33 and serves as a hole through which the steam discharged from the first steam outlet 240 exits.

The second lower outlet 87 has a hole 87a formed in the bottom 85, a disk 87b disposed above the hole 87a, and a plurality of connections connecting the hole 87a and the disk 87b. It consists of a belt (87c).

In particular, the bottom surface of the disk 87b has a funnel shape as shown in FIG. 7 , and serves to disperse the resistance of the ejected steam.

Accordingly, the steam coming out of the second steam outlet 230 collides with the disk 87b and exits into the space between the connecting strips 87c.

On the other hand, as shown in FIGS. 7 and 8 , on the lower surface of the upper plate 90a of the upper case 90 , a wall 98 extending downward to be disposed in both open spaces of the second lower outlet 87 is formed. It is preferable to be

Each of the walls 98 reduces or blocks the steam to flow to the floor 85 as much as possible, and slightly arc-shaped plates are arranged to face each other.

Accordingly, the second lower outlet 87 is generally surrounded in four directions by the inner cylinder 83 and the outer cylinder 81 and the wall 98, so that the discharged steam collides with the flow and stops the flow, The noise caused by speed can be reduced as much as possible.

A through hole 93 in which the pressure weight 220 is disposed and a steam discharge hole 91 are formed in the upper plate 90a of the upper housing 90 .

The inner surface of the side plate 90b of the upper housing 90 is fitted to the outer surface of the outer cylinder 81 .

A packing 94 in contact with the upper end of the outer cylinder 81 is mounted on the edge of the upper plate 90a of the upper housing 90 .

The locking parts 100a and 100b include a first locking part 100a and a second locking part 100b formed on one side (front) and the other side (rear) of the lower housing 80 and the upper housing 90 ). has been

The first locking portion 100a includes a locking bar 110a formed on one side of the lower housing 80 and a hooking portion on which a locking hook 130a formed on one side of the upper housing 90 is caught.

That is, the locking bar 110a is a bar connecting the front end of the protruding bar 111a protruding from both sides of the front outer surface of the outer cylinder 81 .

Accordingly, a hole penetrating vertically is formed between the locking bar 110a and the protruding bars 111a on both sides.

When the engaging hook 130a is put into this hole and laid down immediately, the engaging hook 130a is caught on the underside of the engaging bar 110a.

The second locking part 100b is composed of a pressing piece 110b extending downward from the other side of the lower housing 80 and a locking piece 130b extending downward from the other side of the upper housing 90. .

The pressing piece 110b has a plate shape extending downward from the rear of the outer cylinder 81 .

A locking projection 111b is formed in the middle of the outer surface of the pressing piece 110b.

A pressing protrusion 113b facing outward is formed at the lower end of the pressing piece 110b.

The outer cylinder 81 is further formed with a pressure-allowing groove (81a) that enters the inside so that the pressing piece (110b) can be pressed forward.

The locking piece 130b has a plate shape extending downward from the rear of the side wall 90b.

The locking piece 130b has a locking hole 131b through which the locking jaw 111b is hooked.

Because of the belt, when the locking jaw (111b) is accommodated in the locking hole (131b), the lower surface of the locking jaw (111b) is caught on the lower surface of the locking hole (131b), locking is made.

A reinforcing rib 150 is formed on the outer surface of the locking piece 130b.

The reinforcing rib 150 is composed of a plurality of vertical ribs 151 and a horizontal rib 153 connecting the plurality of vertical ribs 151 as shown in FIG. 8 .

The rib 150 prevents the elasticity of the locking piece 130b from being weakened by repetition of locking and release.

On the other hand, the through-hole 93 is formed with a scattering prevention member 60 that protrudes upward.

The scattering prevention member 60 is formed to protrude much higher than the pressure weight 220 as a funnel shape, so as to prevent the steam coming out of the first steam outlet 240 from scattering to the outside.

Meanwhile, a vapor discharge hole 91 is formed on the upper surface of the upper housing 90 as shown in FIG. 5 .

Most of the steam discharged from the first steam outlet 240 and the second steam outlet 230 is collected in the steam cap 70 , and the drain hole 81 of the lower housing 80 and the drain hole 35 of the lid 30 are ) through which it is drained.

The steam discharge hole 91 discharges a portion of the steam to the outside of the lid 30 so that a large pressure is not applied to the inside of the steam cap 70 .

Meanwhile, a plurality of drain passages 93 formed by concentric circles are formed on the upper surface of the upper housing 90 .

That is, the drain passage 93 is formed in the form of a circle and a groove between the circles.

Accordingly, the water droplets formed on the upper surface of the upper housing 90 from which the steam coming out of the steam discharge hole 91 is guided to the steam discharge hole 91 along the drain passage 93 and drained.

In particular, the upper surface of the upper housing 90 is inclined downward toward the rear (α), and the vapor discharge hole 91 is located at the rear of the upper housing 90 .

The inclination α may be formed very minutely.

This slope α provides a natural drainage effect to further increase drainage efficiency.

The vapor discharge hole 91 of FIG. 5 is formed through concentric circles.

At the rear of the upper housing 90 , a handle ( ) to hold when the steam cap 70 seated in the groove 31 is removed is extended outwardly.

As described above, although described with reference to preferred embodiments of the present invention, those skilled in the art can variously modify or modify the present invention within the scope without departing from the spirit and scope of the present invention as set forth in the claims below. can be carried out.

10: body 30: lid
33: open guard 33a: opening
50: hinge 70: steam cap
80: lower housing 81: outer cylinder
83: inner cylinder 90: upper housing
91,91': vapor discharge hole 93: drain flow path
98: wall 100a, 100b: first and second locking parts
150: rib 220: pressure weight

Claims (1)

In the electric pressure cooker comprising a main body having an inner pot, a lid, and a hinge portion for pivotally supporting the lid with respect to the main body,
It consists of a steam cap including a lower housing and an upper housing, and a groove formed on the upper side of the lid in which the steam cap is detachably seated,
At the bottom of the groove, a first steam outlet for a pressure weight, a second steam outlet for a solenoid valve, a drain hole, and an open guard 33 protruding around the first steam outlet and having an opening 33a are formed become,
The lower housing consists of an outer tube, an inner passage through which the pressure is additionally passed, and a bottom connecting the inner tube and the outer tube,
The upper housing is formed with a through-hole and a steam discharge hole through which the pressure is added,
The inner surface of the inner cylinder surrounds the outer surface of the open guard 33 and the opening 33a,
The upper end (83a) of the inner cylinder is formed with an inner flange,
The inner flange covers the upper end of the open guard (33) and the singe opening (33a),
An opening (83b) facing the opening (33a) is formed on the front side of the inner cylinder,
Electric pressure cooker.

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