KR100797149B1 - Electric pressure rice cooker and lid assembly therof - Google Patents

Abstract

A pressure rice cooker and a lid thereof are provided to open the lid easily and prevent safety accidents from occurring due to high temperature and pressure vapor left in an inner container by opening the inner container after discharging vapor. A lid of a pressure rice cooker comprises a cover housing(210), a radiating plate(220), a link plate(230), a link(240), a vapor discharging member(260), and a handle assembly(250). The link selectively locks an inner container by the rotation of the link plate. The vapor discharging member is installed at the cover housing to discharge vapor remained in the inner container. The handle assembly, which is elastically placed at the cover housing to operate the vapor discharging member, consists of a handle(251) whose lower center has insertion bosses bolt-combined to place a spring, an arm(252) rotating the link plate and including a hollow boss with two engaging projections, and a pressure spring(253). The longitudinal engaging projections corresponding to the engaging projections are formed at two sides of the insertion bosses.

Description

ELECTRIC PRESSURE RICE COOKER AND LID ASSEMBLY THEROF}

1 is an electric pressure thermal cooker according to the present invention, a longitudinal cross-sectional view showing a cooking state in the inner cylinder is locked state

2 is a plan view of FIG. 1

Figure 3 is an electric pressure insulating rice cooker according to the present invention, a longitudinal cross-sectional view showing a state to discharge the steam inside the inner cylinder by pressing the handle after the end of cooking.

4 is a top view of FIG. 3

Figure 5 shows an electric pressure thermal cooker according to the present invention, the longitudinal cross-sectional view showing a state of unlocking the inner cylinder by turning the handle after the end of cooking.

6 is a plan view of FIG.

Figure 7 is a perspective view showing the inside of the lid of the electric pressure thermal cooker according to the present invention

8 to 10 is a plan view for explaining the operation of the handle, the link plate and the link in the electric pressure thermal cooker lid according to the present invention, when unlocking the inner cylinder after the end of cooking

Figure 11 is an exploded perspective view showing a handle assembly of the electric pressure thermostat rice cooker lid according to the present invention

12 is a longitudinal sectional view showing a state before the handle is pressed;

Figure 13 is a longitudinal cross-sectional view showing a state after the handle is pressed

* Explanation of symbols for main parts of the drawings

100: electric pressure thermal cooker

110: body

111: hinge

112: operation unit

113: push button

120: inner tube

120a: upper projection of inner cylinder

200: lid

201: return spring

210: cover housing

211: lead ring

212: cover lead

212b: Guide

220: heat sink

221: rotation guide projection

222: limit projection

223: guide rail

230: link plate

231: rotation guide slot

232: Cam Guide Slot

232a: first horizontal portion

232b: the second horizontal portion

232c: inclined part

234: first projection

240: link

241: hook section

242: restricted slot

243: cam guide protrusion

250: handle assembly

251 handle

251a: Hang Hook

251b: insertion boss

251c: longitudinal projection

251f: Bolt

252: arm

252a: first slot

252c: hollow boss

252d: jamming

253: compression spring

260: vapor exhaust member

261: first steam discharge pipe

262: Pressure Weight

263: release lever

263a: spring

263: release lever

264: Seesaw Plate

265 hinge

271: second steam discharge pipe

272: solenoid

297: pressure packing

The present invention relates to an electric pressure thermal rice cooker, and more particularly, since the inner cylinder can be opened after the steam remaining in the inner cylinder is discharged after the end of cooking, the lid can be easily opened and closed and the steam pressure of the high temperature and high pressure remaining in the inner cylinder. The present invention relates to an electric pressure thermal cooker and its lid capable of preventing a safety accident in advance.

In general, the electric pressure insulation rice cooker is a kitchen cooking equipment for cooking by heating the sealed pressure vessel (inner container or inner pot) containing the cooking water by electric heating means.

In general, the electric pressure thermal cooker can be divided into a main body, an inner barrel inserted into the main body and containing cooking water (cooking water), and a lid (assembly) installed to be opened and closed to the main body.

The main body is provided with a control unit for controlling a series of operations such as cooking, heat keeping, steam discharge, a display unit for displaying an operating state, and an operation unit for a user to select a cooking mode or a heat keeping mode.

The inside of the main body is provided with a heating means such as an induction heater (IH) for heating the inner cylinder.

The lid is provided on the upper portion of the inner cylinder when cooking has a heat sink that serves as a lid of the inner cylinder to seal the inside of the inner cylinder.

In the electric pressure thermal cooker, the inner cylinder containing cooking water is heated in a sealed state with a heat sink, so the inside of the inner cylinder always maintains a high temperature and high pressure during cooking.

Therefore, the electric pressure thermal cooker is equipped with a steam discharge device and safety valves to maintain the inside of the inner cylinder at a proper pressure during cooking, and to discharge the steam remaining inside the inner cylinder after the completion of cooking to the outside of the main body to enable safe cooking. do.

In the case of the conventional electric pressure thermal cooker, since the operation of unlocking (opening) the inner cylinder after the completion of cooking and the operation of discharging the steam remaining in the inner cylinder are simultaneously performed, the steam remaining in the inner cylinder is discharged to discharge the inner steam of the inner cylinder. The inner cylinder could be pre-locked before maintaining the pressure below the reference pressure.

As such, when the inner cylinder is un-locked before the inner steam pressure of the inner cylinder is kept below the reference pressure, the lid itself is difficult to open by the high temperature and high pressure steam remaining in the inner cylinder, There was a serious problem that may cause a safety accident by the high temperature and high pressure steam remaining therein.

Accordingly, the present invention has been made in view of the above-described problems, and by adopting a structure in which the inner cylinder can be unlocked after the steam pressure inside the inner cylinder drops below the reference pressure by discharging steam remaining inside the inner cylinder after the completion of cooking. The purpose of the present invention is to provide an electric pressure cooker and its lid which can prevent the safety accident caused by the high temperature and high pressure steam remaining in the inner cylinder in advance.

Electric pressure thermal cooker of the present invention to implement the technical problem as described above; An inner cylinder containing cooking water therein and being accommodated in the main body and being heated; And a lid installed in the main body so as to be openable and closeable.

In addition, the lid of the electric pressure insulating rice cooker according to the present invention is a cover housing which is installed to be opened and closed in the body; A heat dissipation plate coupled to the cover housing to open and close the inner cylinder accommodated in the main body; A link plate rotatably installed on an upper portion of the heat sink; A link for selectively locking the inner cylinder by rotation of the link plate; A steam discharge member installed in the cover housing to discharge steam remaining in the inner cylinder; And a handle assembly rotatably coupled to the cover housing for selectively rotating the link plate and resiliently liftable to the cover housing for actuating the vapor exhaust member.

Here, the locking of the inner cylinder refers to a state in which the heat sink is in close contact with the upper portion of the inner cylinder by the link to seal the inside of the inner cylinder. The unlocking of the inner cylinder refers to a state of opening the inner cylinder by separating the heat sink from the upper portion of the inner cylinder by the link.

The link is positioned between the heat sink and the link plate, and a hook portion is formed on one side thereof, a restriction slot is formed on the other side, and a cam guide protrusion may be formed in the middle so as to selectively lock the inner cylinder while linearly reciprocating. have. Correspondingly, a limiting protrusion may be formed on an upper surface of the heat sink to fit into the limiting slot, and a cam guide slot may be formed on the link plate so that the cam guide protrusion is fitted thereto.

The cam guide slot may include a first horizontal portion formed on both sides thereof, a second horizontal portion, and an inclined portion connecting the first horizontal portion and the second horizontal portion.

A guide rail for guiding linear reciprocation of the link may be formed on an upper surface of the heat sink.

A plurality of rotation guide slots may be formed in the link plate to rotate the link plate, and a plurality of rotation guide protrusions may be formed on an upper surface of the heat sink to fit the rotation guide slot.

The cover housing may include a lead ring covering an upper portion of the link plate, and a cover lead positioned on the lead ring.

The vapor discharge member is in communication with the interior of the inner cylinder is a first steam discharge pipe positioned to be exposed to the outside of the cover lid; A pressure weight installed at an upper end of the first steam discharge pipe to maintain a constant internal steam pressure of the inner cylinder; A release lever elastically installed on the cover lid to release the pressure weight; And a seesaw plate, the one being in contact with the hand assembly and the other being in contact with the release lever so as to selectively operate the release lever by the lifting movement of the handle assembly.

A second steam discharge pipe for discharging the steam pressure of the inner cylinder by a solenoid is installed in a position adjacent to the first steam discharge pipe, the upper end of the first steam discharge pipe and the second steam discharge pipe is formed on the cover lid Exposed to the mounting groove, the steam cover mounting groove may be mounted to the steam cover.

The handle assembly includes a handle rotatably installed in the cover housing; An arm connected to the link plate and rotating the link plate while being rotated by the handle; And a compression spring interposed between the handle and the arm.

Hollow bosses having locking projections are formed on both sides of the central upper surface of the arm, and corresponding to the bosses, hollow bosses are inserted into the hollow bosses on the handle, and insertion bosses are bolted through springs. On both sides of the insertion boss, a locking projection in the longitudinal direction corresponding to the locking projection is formed.
The handle is guided by a guide piece formed on the cover housing, and a lower end of the handle may be provided with a hook that is caught by the lower end of the guide piece.

A first slot may be formed at one side of the arm so that the link plate may be rotated by the rotation of the arm, and a first protrusion may be formed at the link plate to be inserted into the first slot.

The link reciprocates linearly in a radial direction about the center of the heat sink.

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

1 is an electric pressure thermal cooker according to the present invention, a longitudinal cross-sectional view showing a cooking state in the inner cylinder is locked state, Figure 2 is a plan view of FIG.

As shown in Figure 1 and 2, the electric pressure thermal cooker 100 of the present invention is a main body 110, the inner container which is housed in the cooking water contained in the main body 110 and heated for a predetermined time ( 120 and the lid 200 is installed to be opened and closed on the main body 110.

The inside of the main body 110 is provided with a heating means (not shown) such as IH for cooking by heating the inner cylinder 120, the outer surface of the main body 110 to cook cooking water, such as cooking mode or warming mode The operation part 112 for doing so is provided.

The lid 200 is pivotally coupled to the main body 110 in a hinge 111 structure and is elastically supported by the return spring 201.

Electric pressure insulating rice cooker lid 200 of the present invention is a cover housing 210, a heat sink 220 is coupled to the cover housing 210, and a link plate rotatably installed on the top of the heat sink 220 ( 230). The cover housing 210 is further divided into a lead ring 211 and a cover lead 212.

The biggest feature of the electric pressure insulation rice cooker 100 of the present invention, after the end of cooking, the steam remaining in the inner cylinder 220 is discharged by the lifting (Up / Down) operation of the handle 251, which will be described later, Since the inner cylinder 120 can be safely unlocked by the rotation (Rotation) operation of the handle 251.

In other words, in the prior art, since the inner cylinder is unlocked at the same time as the operation of discharging the inner cylinder by the rotation of the handle after the completion of cooking, the inner cylinder is opened in a state in which the steam pressure inside the inner cylinder is not properly dropped below the reference pressure. This was possible.

When the inner cylinder is unlocked while the inner steam pressure of the inner cylinder is not kept below the reference pressure, it is not only inconvenient to use because the user requires more force than usual to open the lid, but also the high temperature and high pressure of the inner cylinder. There was a risk of a safety accident by steam.

However, in the electric pressure insulation rice cooker of the present invention, after the cooking is finished, the user can easily open the lid because the inner cylinder can be unlocked after the inner cylinder is kept below the reference pressure by discharging steam remaining in the inner cylinder. In addition, safety accidents caused by the high temperature and high pressure steam remaining in the inner cylinder can be prevented in advance.

Hereinafter, described in more detail with respect to the lid of the electric pressure thermal cooker according to the present invention.

In the electric pressure thermostat rice cooker lid 200 of the present invention, the lead ring 211 is located inside the lid 200 to reinforce the rigidity of the lid 200 itself, as a mounting plate for mounting of other components Perform the function.

The cover lid 212 is located at the outermost side of the lid 200 and serves to cover the entire upper surface of the lid 200.

The heat dissipation plate 220 capable of opening and closing the inner cylinder 120 accommodated in the main body 110 is coupled to the cover housing 210, more precisely, to the lower portion of the lead ring 211.

The heat dissipation plate 220 serves as a cover of the inner cylinder 120, and may be fastened to the lead ring 11 by a conventional fastening means, for example, a bolt (not shown).

A predetermined space is provided between the lead ring 211 and the heat sink 220, and the space includes a link plate 230, a link 240, a vapor discharge member 260, and the like.

The link plate 230 has a structure that is rotated on the upper surface of the heat sink 220, in order to enable the rotation of the link plate 230, a plurality of rotation guide slots 231 in the link plate 230 ) Is formed, and a plurality of rotation guide protrusions 221 are formed on the top surface of the heat dissipation plate 220 to be inserted into the rotation guide slot 231.

A link 240 for locking the inner cylinder 120 and the heat sink 220 selectively by the rotation of the link plate 230 is provided between the link plate 230 and the heat sink 220.

The link 240 linearly reciprocates in a radial direction about the center of the heat sink 220.

The link 240 may be installed on an upper surface of the link plate 230 according to a design change.

The link 240 has a structure capable of selectively locking the inner cylinder 120 while linearly reciprocating when the link plate 230 rotates.

Looking at the structure of the link 240, one side of the link 240 is a "c" shaped hook portion 241 is formed, the other side of the link 240 is a limit slot (Limit Slot) (242) Is formed, and the cam guide protrusion 243 is formed in the middle.

When the inner cylinder 120 is locked, the upper end protrusion 120a of the inner cylinder 120 and the end of the heat sink 220 are fitted into the hook portion 241.

Corresponding to the structure of the link 240, a limiting protrusion 222 is formed on the upper surface of the heat sink 220 to be fitted into the limiting slot 242, the link plate so that the cam guide protrusion 243 is fitted The cam guide slot 232 is formed at 230.

The cam guide slot 232 may be divided into three parts, and a first horizontal portion 232a and a second horizontal portion 232b are formed at both sides thereof, and the first horizontal portion 232a and the first horizontal portion 232a are formed. The inclination part 232c is formed in the position which connects 2 horizontal parts 232b.

When the cam guide protrusion 243 is located at the first horizontal portion 232a or the second horizontal portion 232b, the link plate 230 is rotated, but the link 240 does not move, and at this time, the inner cylinder ( 120 is locked or unlocked by link 240.

On the other hand, when the cam guide protrusion 243 is located on the inclined portion 232c, the link plate 230 is rotated, and the link 240 also linearly moves, wherein the inner cylinder 120 of the link 240 It is converted from the locked state to the unlocked state or from the unlocked state to the locked state by the linear motion.

The reason why the first horizontal portion 232a and the second horizontal portion 232b are formed in the cam guide slot 232 described above is that the link 240 does not immediately operate due to the rotation of the link plate 230. A delay time is given to the operation of the link plate 230 and the link 240 so that the inner cylinder 120 is firmly locked and the next operation is performed in a completely unlocked state, thereby preventing malfunction and preventing safety accidents. In order to increase the reliability of the product.

The upper surface of the heat sink 220 is formed with a guide rail 223 for guiding the linear reciprocation of the link 240, it is preferable to smooth the linear reciprocation of the link 240.

The cover housing 210 is provided with a handle assembly 250 that operates the vapor discharge member 260 and locks / unlocks the inner cylinder 120.

Looking at the structure of the handle assembly 250, the handle 251 is fitted into the mounting groove 212a formed in the cover lid 212 so as to rotate and lift.

A lower portion of the handle 251 is connected to the link plate 230 and an arm 252 for rotating the link plate 230 while rotating by the handle 251 is connected. A compression spring 253 is interposed between the handle 251 and the arm 252.

The handle 251 is guided by a guide piece 212b formed on the cover lid 212, and a locking hook 251a caught at a lower end of the guide piece 212b is provided at a lower end of the handle 251. Formed.

In the fastening structure of the arm 252 and the handle 251, when the handle 251 is elastically pushed up and down by the compression spring 253, the arm 252 does not interlock with the fixed position 2 but the handle 251 is rotated in conjunction with the handle 251 when the handle 251 is rotated.

More specifically, hollow bosses 252c having locking projections 252d are formed on both sides of the central upper surface of the arm 252. Correspondingly, an insertion boss 251b is inserted into the hollow boss 252c at the center lower surface of the handle 251 and fastened to the bolt 251f via a spring 253.

Then, both sides of the insertion boss 251b are formed with longitudinal locking projections 251c corresponding to the locking projections 252d.

Accordingly, the locking protrusions 252d and 251c do not contact each other when the handle 251 is raised by the support of the spring 253, but the locking when the handle 251 is pressed for vapor discharge. As the protrusions 252d and 251c are engaged with each other, the arm 252 can be rotated in conjunction with the handle 251.

As described above, when the user rotates the handle 251 to lock or unlock the inner cylinder 120, the arm 252 connected with the handle 251 is rotated, and the link is rotated by the arm 252. The plate 230 is configured to be rotated.

In order to interlock the handle 251, the arm 252, and the link plate 230, a first slot 252a is formed at one side of the arm 252, and the first slot 252a is formed. A first protrusion 234 is formed on the link plate 230 so as to be inserted into the link plate 230.

On the other hand, during cooking, the steam pressure of the inner cylinder 120 is kept constant, but after the end of cooking, the steam discharge member 260 in the cover housing 210 to discharge the steam remaining in the inner cylinder 120 It is provided.

The vapor discharge member 260 includes a first vapor discharge pipe 261 positioned in communication with the inside of the inner cylinder 120 to be exposed to the outside of the cover lid 212.

A pressure weight 262 is installed at an upper end of the first steam discharge pipe 261. The pressure weight 262 blocks the first steam discharge pipe 261 during cooking to maintain a constant steam pressure of the inner cylinder 120. After the cooking is finished, the inner cylinder 120 is configured to be flipped for steam discharge.

A release lever 263 is elastically installed on the cover lid 212 by a spring 263a so as to retract the pressure weight 262.

In addition, the top surface of the lead ring 211 is provided with a seesaw plate 264 which is operated by the lifting movement of the handle 251 and performs the seesaw movement around the hinge 265.

The seesaw plate 264 is located between the handle 251 and the release lever 263, one of which is in contact with the lower end of the handle 251 and the other is in contact with the release lever 263. .

A second steam discharge pipe 271 is provided at a position adjacent to the first steam discharge pipe 261 to discharge steam inside the inner cylinder 120 by the solenoid 272.

The solenoid 272 operates according to the steam pressure of the inner cylinder 120 and the cooking time approximately 3 minutes before the end of cooking, and discharges the steam of the inner cylinder 120 through the second steam discharge pipe 271. Do it.

Referring to the operation of the electric pressure thermal cooker according to the present invention.

In order to cook, first, the cooking water is contained in the inner cylinder 120, the inner cylinder 120 is inserted into the main body 110, and then the lid 200 is closed.

As soon as the lid 200 is closed, the head 115b of the rotation member 115 is elastically caught by the locking protrusion 114 by the spring 201 so that the lid 200 is locked.

At this time, the heat sink 220 of the lid 200 covers the inner cylinder 120, the pressure packing 297 is in close contact with the upper end of the inner cylinder 200 to completely seal the inner cylinder 200.

In this state, the handle 251 of the handle assembly 250 is turned so that the handle 251 is in the correct position. At the moment of turning the handle 251, the arm 252 coupled to the lower portion of the handle 251 is also rotated in conjunction.

When the arm 252 rotates, the link plate 230 rotates because the first protrusion 234 is inserted into the first slot 252a.

When the link plate 230 rotates, the cam guide protrusion 243 is inserted into the cam guide slot 232, so that the link 240 moves linearly with the guide rail 223 while the guide inner cylinder ( Lock 120). At the same time as the inner cylinder 120 is locked, the inner cylinder 120 is sealed by the pressure packing 297.

As such, when the sealing of the inner cylinder 120 is completed, the control unit receives a predetermined signal (Signal) from a detection unit (not shown), etc. to operate the heating means such as IH to heat the inner cylinder 120 for a predetermined time to prepare the cooking water. Catering

After a certain period of time, and before cooking is finished and cooking is complete, the controller operates the solenoid 272 to discharge steam inside the inner cylinder 120 to the outside of the lid 200 and to press the inside of the inner cylinder 120 at a reference pressure. Drop it below.

After the steam in the inner cylinder 120 is discharged, the user presses the handle 251 downward to discharge the pressure remaining in the inner cylinder 120.

At this time, when the handle 251 is elastically pressed downward by the compression spring 243, the seesaw plate 264 in contact with the lower end of the handle 251 is rotated about the hinge 265.

At this time, the release lever 263 elastically rises by the rotation of the seesaw plate 264, and the pressure weight 262 is flipped down by the rise of the release lever 263.

When the pressure weight 262 is flipped, steam inside the inner cylinder 120 is discharged through the first steam discharge pipe 261. Here, the pressure weight 262 blocks the first steam discharge pipe 261 during cooking to maintain a constant internal steam pressure of the inner cylinder 120, and serves to discharge steam after the cooking is finished.

When the inner cylinder 120 is to be taken out of the main body 110 after the cooking is finished, the handle 251 of the hand assembly 250 is turned to the original home position. At this time, the arm 252 connected to the lower part of the handle 251 is also rotated together.

When the arm 252 rotates, the link plate 230 rotates because the first protrusion 234 is inserted into the first slot 252a.

When the link plate 230 is rotated, the cam guide protrusion 243 is inserted into the cam guide slot 232, so that the link 240 is linearly reciprocated by the guide rail 223, and thus the guide inner cylinder ( Unlock 120).

In this state, the lid 200 may be opened by pressing the opening / closing push button 113.

As described above, in the present invention, by pressing the handle 251 downward to open the lid 200 after the cooking is finished, the pressure weight 262 is bent to discharge steam inside the inner cylinder 120, and the handle 251. Since the section for unlocking the inner cylinder 120 by turning) is clearly divided, since the inner cylinder 120 is unlocked after the steam inside the inner cylinder 120 is discharged, the safety accident can be effectively prevented.

Embodiments described above may be modified in other forms, for example, the safety valve assembly may be modified in a multi-stage structure.

As described above, according to the present invention, the inner cylinder is firmly locked by the coupling structure of the link plate and the link, and the inner cylinder is unlocked after the steam remaining in the inner cylinder is discharged after the completion of cooking by the safety valve assembly. Since the lid can be easily opened and closed, it is possible to effectively prevent the safety accident caused by the high temperature and high pressure steam pressure remaining in the inner cylinder.

Claims (14)

A cover housing installed on the main body so as to be opened and closed, a heat sink coupled to the cover housing to open and close the inner cylinder accommodated in the main body, a link plate rotatably installed on an upper portion of the heat sink, and rotation of the link plate. A link for selectively locking the inner cylinder by means of a vapor trap, a vapor discharging member installed in the cover housing to discharge steam remaining in the inner cylinder, and rotatable to the lead ring to selectively rotate the link plate In the lid of the electric pressure thermal cooker comprising a handle assembly coupled to the cover assembly, the handle assembly is resiliently mounted to the cover housing to operate the steam discharge member, The handle assembly includes a handle rotatably installed in the cover housing; An arm connected to the link plate and rotating the link plate while being rotated by the handle; And A compression spring interposed between the handle and the arm, Hollow bosses having locking projections are formed on both sides of the central upper surface of the arm, and corresponding bosses are inserted into the hollow bosses on the lower surface of the center of the handle and inserted into bolts through the spring. Caps of the electric pressure thermal cooker, characterized in that the engaging boss in the longitudinal direction corresponding to the locking projection is formed on both sides of the insertion boss. The method of claim 1, The link is located between the heat sink and the link plate, a hook portion is formed on one side thereof, a restriction slot is formed on the other side, and a cam guide protrusion is formed in the middle so as to selectively lock the inner cylinder while linearly reciprocating. Lid of the electric pressure thermal cooker, characterized in that the restriction projection is formed on the upper surface of the heat sink to be inserted into the restriction slot and the cam guide slot is formed in the link plate so that the cam guide projection is inserted. The method of claim 2, The cam guide slot is a lid of the electric pressure thermal cooker, characterized in that consisting of a first horizontal portion, a second horizontal portion, the inclined portion formed on both sides. The method according to claim 1 or 2, A lid of the electric pressure thermal cooker, characterized in that the upper surface of the heat sink is formed with a guide rail for guiding the linear reciprocating motion of the link. The method according to any one of claims 1 to 3, A plurality of rotary guide slots are formed on the link plate to rotate the link plate, and a plurality of rotary guide protrusions are formed on an upper surface of the heat sink to be fitted into the rotary guide slot. . The method of claim 1, The cover housing is a lid of the electric pressure thermal cooker, characterized in that consisting of a lead ring covering the upper portion of the link plate, and a cover lead located on the upper portion of the lead ring. The method of claim 6, The vapor discharge member is in communication with the interior of the inner cylinder is a first steam discharge pipe positioned to be exposed to the outside of the cover lid; A pressure weight installed at an upper end of the first steam discharge pipe to maintain a constant internal steam pressure of the inner cylinder; A release lever elastically installed on the cover lid to release the pressure weight; And And a seesaw plate having one side in contact with the handle assembly and the other side in contact with the release lever so as to selectively operate the release lever by the lifting movement of the handle assembly. The method of claim 7, wherein A lid of the electric pressure thermostat rice cooker, characterized in that the second steam discharge pipe for discharging the steam pressure of the inner cylinder by the solenoid is installed in a position adjacent to the first steam discharge pipe. The method of claim 1, When the handle is raised by the support of the spring, the locking protrusions do not contact each other, but when the handle is pressed for vapor discharge, the locking protrusions are engaged with each other, so that the arm can rotate in conjunction with the handle. Lid of the electric pressure rice cooker, characterized in that. The method of claim 9, The handle is guided by a guide piece formed in the cover housing, the lower end of the handle is a lid of the electric pressure thermal cooker, characterized in that the engaging hook is formed on the lower end of the guide piece is formed. The method of claim 9, A first slot is formed at one side of the arm so that the link plate can be rotated by the rotation of the arm, and the link plate is formed with a first protrusion to be inserted into the first slot. Lid of cooker. The method of claim 1, The link is a lid of the electric pressure thermal cooker, characterized in that the linear reciprocating motion in a radial direction about the center of the heat sink. delete In the electric pressure thermostat rice cooker comprising a main body, an inner barrel which holds cooking water therein and is accommodated in the main body and heated; The lid includes a cover housing, a heat sink coupled to the cover housing, a link plate rotatably installed on an upper portion of the heat sink, a link for selectively locking the inner cylinder by rotation of the link plate, and an inner cylinder interior. A vapor discharging member installed in the cover housing for discharging the remaining steam in the cover housing; and rotatably coupled to the lead ring to rotate the link plate, and resiliently coupled to the cover housing to operate the steam discharging member. A handle assembly that is removably installed, The handle assembly may include a handle rotatably installed in the cover housing, an arm connected to the link plate and rotated by the handle to rotate the link plate, and a compression spring interposed between the handle and the arm. Including, Hollow bosses having locking projections are formed on both sides of the central upper surface of the arm, and corresponding bosses are inserted into the hollow bosses on the lower surface of the center of the handle and inserted into bolts through the spring. Both sides of the insertion boss is an electric pressure insulating rice cooker characterized in that the locking projection in the longitudinal direction corresponding to the locking projection is formed.

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