KR200374843Y1 - Electric pressure rice cooker - Google Patents

Abstract

The present invention is installed in the inner cylinder, the main body for accommodating the inner cylinder, the lid case rotatably coupled to one side to open and close the main body and the inner lid installed inside the lid case and the lower portion of the inner lid An electric pressure cooker including a lid having a rotating hot plate covering an upper portion of an inner cylinder, comprising: an operating knob including an upper knob rotatable and a lower knob coupled to the upper knob to rotate together with the upper knob; And a piston lever that is in contact with the tip of the lower knob and is levered in accordance with the rotation of the lower knob, and a safety device that is in contact with one side of the piston lever and moves up and down in accordance with the lever lever movement of the piston lever.

Description

ELECTRIC PRESSURE RICE COOKER

The present invention relates to an electric pressure cooker, and more particularly to an electric pressure cooker having a safety device for discharging steam in conjunction with the operation knob when opening the lid using a rotary operation knob installed on the lid of the electric pressure cooker. will be.

In general, the electric pressure cooker is to improve the taste of cooked rice by increasing the break point of the water by increasing the pressure of the inner container containing the rice when cooking by using the change of the water break point according to the pressure.

The electric pressure cooker is coupled to the inner cylinder and the upper portion of the main body seated in the main body and the main body to be opened and closed.

Referring to FIG. 1, which is a cross-sectional view illustrating a configuration of a control knob and a safety device of a conventional electric pressure cooker, an inner lid 33 and a rotating hot plate that are hermetically coupled to an inner cylinder (not shown) at the bottom of the lid 10. 36 is provided, and the rotary heating plate 36 is provided with a solenoid switch (not shown) so as to maintain the pressure inside the inner cylinder under a predetermined pressure condition.

In addition, the lid 30 is provided with an operation knob 10 which can open the lid 30 manually, the operation knob 10 is the upper knob 13 and the upper knob 13 corresponding to the handle portion. The lower knob 16 is coupled to the bottom of the).

At this time, the lower knob 16 is made of a disc shape, the through hole 19 of a predetermined diameter is provided.

On the other hand, the lower part of the lower knob 16 is provided with a safety device 20 is provided with a plunger 23 to move up and down through the elastic member is installed during cooking or when the internal pressure inside the inner cylinder plunger 23 ) Is raised to push the plunger pin 26 of the safety device 20 into the through hole 19 formed in the lower knob 16, and when the customer forcibly turns the operation knob 10, the operation knob 10 It prevents rotation.

In addition, the safety device 20 is installed with a plunger packing member 29 is configured to prevent the explosion of the electric pressure cooker by the high temperature and high pressure steam generated during cooking.

However, the conventional plunger type safety device may cause the plunger's function to be lost due to hardening or tearing of the plunger packing during prolonged operation. If the holes of the knob do not coincide, the piston, which is raised by the operation of the plunger when the air pressure rises, is not inserted into the hole of the lower knob, and pushes the bottom of the lower knob to become incomplete. At this time, when the user forcibly turns the handle, there is a problem that an explosion occurs when the lid is opened.

Therefore, the present invention has been made in view of the above problems, and an object of the present invention is to provide a safety device for preventing the risk of injury to consumers by discharging steam inside the inner cylinder using a safety device when operating the operation knob to open the lid of the electric pressure cooker. It is to provide an electric pressure cooker having.

1 is a cross-sectional view schematically showing the configuration of the operation knob and the safety device of a conventional electric pressure cooker.

Figure 2 is a cross-sectional view schematically showing the configuration of the lid of the electric pressure cooker according to the present invention.

3a and 3b are schematic perspective views for explaining the operation of the safety device according to the present invention.

<Description of the code for the main part>

110: lid

112: lid case

114: inner lid

116: rotating hot plate

117: auxiliary steam outlet

120: solenoid switch

125: steam discharge pipe

126 steam outlet

130: operation knob

133: upper knob

136: lower knob

140: safety device

141: Plunger hollow part

142: valve cover

143: elastic member

144: Plunger

145: valve piston

146: valve body

147: hollow part

148: packing member

149: auxiliary steam discharge pipe

150: piston lever

155: fixing member

The present invention for realizing the above object is the inner cylinder, the main body for receiving the inner cylinder, the lid case coupled to one side rotatably to open and close the main body and the inner lid installed inside the lid case and the inside In the electric pressure cooker comprising a lid provided on the lower portion of the lid having a rotary hot plate to cover the upper portion of the inner cylinder,

An operation knob comprising a top knob rotatable and a bottom knob coupled to the top knob to rotate together with the top knob;

A piston lever which is in contact with the front end of the lower knob and leverages the rotation of the lower knob;

And a safety device that is in contact with one side of the piston lever and moves up and down according to the lever movement of the piston lever.

Preferably, the lower knob has a disk shape and a center thereof is extended to be coupled to the upper knob, and the height of one semicircle forms a step lower than the height of the other semicircle.

Preferably, the piston lever is axially fixed by the fixing member, and the front end of the lower knob and the safety device is characterized in that for transmitting the rotation of the operation knob to the safety device.

Preferably, the safety device is raised by the high-pressure steam inside the inner cylinder when cooking, it is characterized in that the high-pressure steam is discharged by lowering when the operation knob rotates.

Hereinafter, a preferred embodiment of the present invention with reference to the drawings in detail.

Referring to FIG. 2, the electric pressure cooker is seated inside the main body (not shown) and at the same time an inner cylinder (not shown) having a plurality of locking jaws formed at the upper edge portion thereof, and one side of which is rotatable to open and close the upper side of the main body. It is composed of a lid 110 coupled to.

The lid 110 is formed of a lid case 112 and an inner lid 114 installed inside the lid case 112 to form an exterior and installed in the inner lid 114 and in the inner cylinder. It is composed of a rotating hot plate 116 is formed a plurality of engaging jaw to be engaged.

A solenoid switch 120 is installed at the center of the inner lid 114 and the rotary heating plate 116 to maintain a predetermined pressure inside the inner cylinder when cooking, and the solenoid switch 120 takes a tubular body. The steam discharge pipe 125 is formed to protrude to discharge the high-temperature, high-pressure steam generated during cooking.

On the other hand, one side of the inner cover 114 and the lid case 112, the operation knob 130 is installed, the lower one side of the operation knob 130 when the consumer opens the lid to the steam inside the electric pressure cooker The safety device 140, that is, auxiliary steam discharge means is installed to forcibly discharge to prevent the risk of injury to consumers.

Hereinafter, the operation knob and the safety device of the technical idea of the present invention will be described.

First, the manipulation knob 130 is coupled to the upper knob 133 and the upper knob 133 corresponding to the handle to the connection rod that is rotated at the same time when the upper knob 133 is rotated, that is, the lower knob 136 It is composed.

Here, the lower knob 136 has a central portion thereof is extended and bolted to the upper knob 133, the lower portion is a disk shape, the step is formed with one side semicircle and the other half circle is different from each other.

In addition, the piston lever 150 is installed to the front end of the upper surface of the disc of the lower knob 136 and the upper portion of the safety device 140 to be described later, the piston lever 150 is rotated of the lower knob 136 According to the fixing member 155 for fixing the piston lever 150 as a working point to the lever movement, the safety device 140 in contact with the piston lever 150 due to the lever lever movement of the piston lever 150. In the same way, the up and down linear motion.

On the other hand, the safety device 140 is a valve cover having a valve piston 145 in contact with the piston lever 150, the plunger hollow portion 141 is installed at the lower portion of the valve piston 145 (open both ends) ( 142 and the plunger 144 elastically installed via the elastic member 143 so as to move up and down through the plunger hollow portion 141 of the valve cover 142, and formed on one side of the rotary heating plate 116. It is installed around the auxiliary steam outlet 117 and consists of a valve body 146 on which the plunger 144 is seated.

At this time, a hollow portion 147 is formed in the valve body 146, and the hollow portion 147 is formed to allow the plunger 144 to rise by the inflow of steam inside the inner cylinder.

In addition, the safety device 140 is formed with a secondary steam discharge pipe 149 formed on the side, the auxiliary steam discharge pipe 149 is connected to the steam outlet 126 which is a place where steam is discharged by the solenoid switch 120. do.

In addition, a packing member 148 is installed at an upper portion of the auxiliary steam discharge pipe 149 to prevent steam from flowing upward.

Hereinafter, the action and effect of the electric pressure cooker of the present invention with reference to Figures 3a and 3b in detail.

On the other hand, it should be noted that the same reference numerals are given to the same components, although belonging to different drawings for convenience of understanding.

First, referring to FIG. 3A, when the lid 110 of the electric pressure cooker is closed and the electric pressure cooker is operated, the inside of the inner cylinder (not shown) is sealed and raised to a predetermined pressure to cook. At this time, the safety device 140 is raised by a predetermined pressure inside the inner cylinder to block the auxiliary steam outlet 117.

Then, referring to Figure 3b, when the operator is finished cooking or holding the upper knob 133 protruding on one side of the lid 110 to open the lid 110 in the middle of the cooking, and rotates in a predetermined direction, the upper The lower knob 136 connected with the knob 133 is rotated in the same direction.

In addition, the piston lever 150 in contact with the lower knob 136 and the safety device 140 performs a lever movement in accordance with the rotation of the lower knob 136 in which the step is formed, and thus the valve piston of the safety device 140. The safety device 140 is lowered by pressing 145.

Therefore, the steam remaining in the inner cylinder is introduced into the space of the auxiliary steam outlet 117 generated by the falling of the safety device 140, the introduced steam is installed on the side of the safety device 140 Passing through the auxiliary steam discharge pipe 149 is discharged to the steam outlet 126 connected to the auxiliary steam discharge pipe 149.

Therefore, the steam inside the inner cylinder is discharged at the same time during the operation of the operation knob 130 to open the lid 110, thereby preventing a safety accident such as explosion.

As described above, the electric pressure cooker of the present invention has an effect of preventing safety accidents such as an explosion by providing a safety device for automatically discharging steam when operating the operation knob.

Although the present invention has been described with reference to the illustrated embodiment, this is merely exemplary, and those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Therefore, the scope of the present invention should be defined by the appended claims and their equivalents.

Claims (4)

An inner passage, a main body accommodating the inner cylinder, a lid case rotatably coupled to one side to open and close the main body, and an inner lid installed inside the lid case and a lower portion of the inner lid, the upper portion of the inner cylinder In the electric pressure cooker comprising a lid having a rotating hot plate to cover the; An operation knob comprising a top knob rotatable and a bottom knob coupled to the top knob to rotate together with the top knob; A piston lever which is in contact with the front end of the lower knob and leverages the rotation of the lower knob; An electric pressure cooker comprising a safety device which is in contact with one side of the piston lever and moves up and down according to the lever movement of the piston lever. The method of claim 1, The lower knob has a disc shape and a center thereof extends to be coupled to the upper knob, and the height of one half circle forms a step lower than the height of the other half circle. The method of claim 1, The piston lever is fixed by the fixing member, the electric pressure cooker, characterized in that the front end of the lower knob and the safety device in contact with the rotation of the operating knob to transmit to the safety device. The method of claim 1, The safety device is raised by the high pressure steam inside the inner cylinder during cooking, the electric pressure cooker characterized in that the high pressure steam is discharged by lowering when the operation knob rotates.