KR20100038042A - The electric rice cooker - Google Patents

Abstract

PURPOSE: An electric rice cooker is provided to protect children from injury due to high temperature high pressure steam by preventing the children from opening the cover. CONSTITUTION: An electric rice cooker comprises a main body(10), an inner pot(110) placed in the main body and having an inner pot protrusion(111), and a cover(20) which is connected to the main body and covers the internal space. The cover includes a cover case(21) installed in the main body to be opened and closed, a clamp supporting panel(23) in which a driving lever is installed to rotate and which is covered over the inner pot, a clamp(43) installed to rotate in the clamp supporting panel and having a clamp protrusion hanging on the inner pot protrusion, and an electromagnet which revolves the drive lever.

Description

Electric rice cooker

The present invention relates to an electric rice cooker.

In general, an electric rice cooker is a kitchen appliance that converts electric energy supplied from the outside into heat energy and cooks rice using the heat energy.

Electric rice cookers can be cooked conveniently, and demand continues to increase.Equipped with electronic components such as timers and microcomputers, the technology automatically adjusts the cooking temperature, time, and type of rice to improve the taste of rice. It is becoming.

Recently, since the function of the pressure cooker that can use the pressure generated during heating is applied, the inside of the electric cooker is sealed with the outside, the rice contained in the inner pot by the pressure generated therein is cooked.

As such, the electric rice cooker using pressure includes a main body on which the inner pot for receiving rice and water is seated and a cover coupled to the main body to open and close the main body. In addition, the main body is provided with a locking button for coupling the cover and the main body, and the inner pot and the cover is provided with an inner pot sealing lock that can maintain the pressure generated inside the inner pot by sealing the cover.

Looking at the operation process of the inner pot sealing lock device, by turning the locking knob which protrudes out of the cover, the clamp is connected to the locking jaw formed along the circumference of the inner pot opening, so The pressure is maintained or, on the contrary, the locked state is released.

However, since the handle of the conventional inner pot sealing device is configured to protrude out of the cover, it is not only inconvenient to clean the cover upper side, but also detrimental to the appearance design of the rice cooker. In addition, the children inadvertently turn the handle of the inner pot sealing lock inadvertently during cooking, the safety accidents were frequently injured children due to the steam leakage of high temperature and high pressure as the cover is opened.

The problem to be solved by the present invention is to provide an electric cooker which can not only easily clean the upper surface of the cover, but also prevent children from being injured due to the outflow of high temperature and high pressure during inadvertent cooking.

An electric rice cooker according to an embodiment of the present invention includes a main body having an inner space, an inner pot seated in the inner space and an inner pot hanging jaw formed at one side, and a cover connected to the main body and sealing the inner space. The cover may include a cover case that is mounted to the main body so as to be open and close, the cover case is coupled to the cover case, and a driving lever is pivotably installed, and the clamp support panel covered by the inner pot and the clamp support panel are rotated. It is possible to be mounted, the clamp engaging jaw is formed to be caught on the inner pot locking jaw, the clamp is connected to the drive lever, and the electromagnet mounted on the clamp support panel to rotate the drive lever.

The inner pot catching jaw may be formed at a predetermined interval on the upper outer surface of the inner pot, the clamp catching jaw may be formed at a predetermined interval on the lower inner surface of the clamp.

An arc-shaped slide hole is formed in the clamp support panel, and a driving lever locking protrusion fixed to the clamp is movable in the slide hole, and an end portion of the driving lever may be locked to the driving lever locking protrusion.

The clamp support panel may be equipped with a drive lever detection sensor for detecting the position of the drive lever.

When the electromagnet is powered, the operating lever is advanced, the operating lever is connected to the driving lever, and the operating lever may be provided with a return spring for retracting the operating lever.

The apparatus may further include a user authentication means installed in the main body, and the electromagnet may be controlled according to the authentication result of the user authentication means.

The user authentication means includes a password input button and a control unit connected to the button, and the control unit controls the movement of the driving apparatus based on a result of comparing the information input by the password input button with a preset number. Can be controlled.

Electric rice cooker according to another embodiment of the present invention is connected to the main body and the cover that can seal the internal space, disposed on the cover and the clamp is caught on the locking jaw, installed in the receiving space formed in the cover An electromagnet which is connected to the electromagnet, the driving lever pivotally connected to the electromagnet, and the driving lever, and a support ring that moves together when the driving lever moves. A clamp guide hole is formed on one surface of the support ring. At least a portion of the clamp is inserted into the clamp guide hole, and the clamp may be caught or released from the locking jaw as the support ring moves.

The clamp guide hole is formed on the outer circumferential surface of the clamp support ring in a circumferential direction, and when the portion of the clamp is inserted, a portion where the clamp is released from the locking jaw is low, and when the portion of the clamp is inserted, the clamp is caught. A portion having a high height may be formed.

The electromagnet is connected to the electromagnet working shaft, the electromagnet working shaft is connected to the drive lever, one side of the electromagnet may be provided with a return spring for returning the electromagnet working shaft to its original state.

According to the embodiment of the present invention, the clamp is automatically rotated by the motor or the electromagnet and caught in the inner pot, so that the inner pot is easy to seal and there is an advantage of easy cleaning the upper surface of the cover.

In addition, according to an embodiment of the present invention, since the password is entered by operating the password input button of the user authentication means to be authenticated, even if the children try to open the cover, the clamp does not operate due to the authentication failure and thus open the cover. Because of this, high temperature and high pressure steam leakage does not fundamentally injure children.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Like parts are designated by like reference numerals throughout the specification.

Then, an electric rice cooker including an automatic locking device according to an embodiment of the present invention will be described with reference to FIGS. 1 to 3.

Although the automatic locking device according to the present embodiment has been described on the basis of being applied to an electric cooker, this is only one embodiment, and may be applied to any device as long as the second body is automatically caught by the first body.

1 is a perspective view showing the appearance of the electric cooker according to an embodiment of the present invention, Figure 2 is an exploded perspective view of the electric cooker shown in Figure 1, Figure 3 is a bottom perspective view showing a coupling state of the clamp and the inner pot.

1 to 3, the electric rice cooker 100 including the automatic locking device according to the present embodiment includes a main body 10, a cover 20, an operation panel 30, a clamping device 40, and a drive. Motor (50, 50a), the drive lever detection sensor (60, 60a), cooking buttons and release buttons (70, 70a), the user authentication panel 80, and the inner pot 110.

The main body 10 is a component constituting the outer appearance of the electric rice cooker 100 together with the cover 20, and the inner pot 110 is seated therein. The inner pot 110 has a space in which water and rice are contained and become rice by thermal energy. And, the cover engaging button 11 is coupled to one side of the main body 10, the cover engaging jaw 24 is formed on one side of the cover 20, the cover engaging button 11 is the cover engaging jaw (24) Or jammed condition is released.

The cover 20, together with the main body 10, is a component that forms the overall appearance of the electric rice cooker 100, and is coupled to the cover case 21 and the cover case 21 to form an exterior, and the inside of the main body 10. The cover frame 22 and the cover frame 22 together with the cover frame 22 to form a closed, and together with the inner side of the inner pot 110 includes a clamp support panel 23 to form another closed space.

Unlike the prior art in which the handle of the inner pot sealing lock protrudes out of the cover, the handle of the inner pot sealing lock does not protrude to the outer surface of the cover case 21 in the electric cooker 100 according to the present embodiment. In addition, the cover frame 22 may be coupled to the driven gear 41, the rotary shaft 42, and the drive motors 50, 50a, wherein the driven gear 41, the rotary shaft 42, and the drive motor 50 , 50a is disposed between the cover case 21 and the cover frame 22. In addition, the driving lever 45, the clamp support ring 44 and the clamp 43 may be coupled to the clamp support panel 23, in which case the drive lever 45, the clamp support ring 44, and the clamp 43 ) Is disposed between the clamp support panel 23 and the cover frame 22.

In addition, a cover detecting switch Sw is connected to one side of the main body 10, and when the cover 20 is closed to the main body 10, the cover engaging button 11 is caught by the cover engaging jaw 24 and the cover is simultaneously covered. Since the switch Sw is operated by pressing the sensing switch Sw, the clamp 20 connected to the driven gear 41 is operated as the cover 20 is closed to the main body 10 and the driving motor 50 operates. 43 is caught by the inner pot locking jaw 111 while rotating by a predetermined angle.

In addition, the cover detection switch (Sw) may be connected to one side of the cover 20, and similarly, since the drive motor 50 is operated at the same time as the cover 20 is closed to the main body 10, the clamp 43 is the inner pot latching jaw. (111) is caught. The cover detection switch Sw may be any type of switch as long as it detects two components as they are opened and closed, such as a leaf switch or a push switch.

The operation panel 30 is coupled to one side of the main body 10, and various buttons 31, 32, 70, and 70a, an operation state display window 33, and a user authentication panel 80 are coupled to one side thereof. . The operation panel 30 is located in front of the main body 10 when the user is referred to.

Clamping device 40, the cover 20 is coupled to the main body 10, the clamp 43, which is connected to the driven gear 41 is caught on the inner pot locking jaw 111 or the locking state is released, the electric cooker The inner pot 110 of the 100 is tightly coupled with the clamp support panel 23 is the component to form an inner space of the inner pot 110.

In addition, the clamping device 40 includes a rotation shaft 42 coupled to the cover frame 22 and a driving gear 52 and 52a coupled to the rotation shaft 42 and connected to the driving motors 50 and 50a. Is connected to the driven gear 41 and the clamp support panel 23 which are operated in engagement with the driving gear 41, and the drive lever 45 and the clamp support panel 23 which are connected to the rotary shaft 42 to rotate within a predetermined angle range. It is coupled to, the driving lever engaging projection 44c is formed on one side, the driving lever 45 is caught by the driving lever engaging projection 44c, the clamp support ring 44 which rotates within a predetermined angle range And, the clamp 43 is coupled to the clamp support panel 23, one end portion is guided to the clamp guide hole 44b formed on one side of the clamp support ring 44 to rotate within a predetermined angle range ).

Therefore, according to the clamping device 40 configured as described above, the cover 20 is closed on the main body 10 and at the same time the cover detection switch (Sw) detects this drive motor 50 is operated. When the drive motor 50 is operated, the drive gear 52 coupled to the motor shaft 51 of the drive motor 50 rotates while being engaged with the driven gear 41, and is coupled with the driven gear 41. Rotating shaft 42 is rotated. In addition, when the rotary shaft 42 is rotated, the driving lever 45, one end of which is coupled to the rotary shaft 42 is rotated, wherein the support ring guide 47 is guided to the support ring guide hole 44a and clamps. The support ring 44 is rotated within a range of preset angles.

Here, the rotary shaft 42 and the drive lever 45 can be connected in various forms. For example, the rotating shaft 42 may be integrally formed with the driving lever 45, and a protrusion is formed at one end of the rotating shaft 42, and the through hole is formed at one side of the driving lever 45. The protrusions can also be inserted and joined together.

Then, when the clamp support ring 44 is rotated, one end of the clamp 43 is guided to the clamp guide hole 44b formed at one side of the clamp support ring 44, and the clamp support panel 23 Since the other end portion of the clamp 43 coupled to the clamp support 46 coupled to one side is caught by the inner pot catching jaw 111, the inner pot 110 is tightly coupled to the clamp support panel 23. The inner side of the inner pot 110 forms a sealed space.

As such, when the other end of the clamp 43 is caught by the inner pot catching jaw 111, the inner pot 110 is sealed to the outside, so that the electric cooker 100 becomes a pressure cooker during cooking, while the clamp 43 is When the other end is released from the inner pot catching jaw 111, the cover 20 is opened to remove the finished rice by moving the cover 20, or to remove some.

In addition, the cover frame 22 and the clamp support panel 23 may be integrally formed. In this case, the cover frame 22 and the clamp support panel 23 may be integrally formed on one side of an assembly (not shown). The clamping device 40 can be combined.

The drive motors 50 and 50a are drive devices for rotating the clamp support ring 44 to rotate the clamps 43 within a predetermined angle range, and are coupled to the drive motors 50 and 50a. 52, 52a can engage the driven gear 41, which is connected to the clamp 43, to rotate the clamp 43. In this case, the drive gears 52 and 52a may be bevel gears.

As shown in FIG. 2. When the plurality of drive motors 50 and 50a are applied, one is operated by the positive rotation drive motor 50 and the other is operated by the reverse rotation drive motor 50a. On the other hand, when only one driving motor 50 is applied, the clamp 43 may be rotated in both directions by rotating the motor shaft 51 forward or reversely.

The drive lever detecting sensors 60 and 60a are components that detect the position of the drive lever 45, and any kind of sensor capable of detecting the position may be used, including a proximity sensor. When the driving lever detecting sensors 60 and 60a detect the position of the driving lever 45 and determine that the driving lever 45 is in the initial position or the final position, the driving motors 50 and 50a are stopped, and thus the clamp 43 ) Is accurately caught on the inner pot locking jaw 111, or is separated from the inner pot locking jaw (11) to completely release the locking state.

The cooking button 70 is a component for performing the cooking function in the state in which the clamp 43 is caught on the inner pot locking jaw 111, and the release button 70a is the inner pot of the clamp 43 of the sealed electric rice cooker 100. It is a component that can be executed to completely release the locking state from the locking step 111.

Then, when the cover 20 is closed by the main body 10, pressing the cover detection switch (Sw), the drive motor 50 for rotation only is activated, the clamp 43 rotates and is caught by the inner pot locking jaw 111. At this time, since the driving lever sensor 60 operates to detect the position of the driving lever 45, it is determined that the clamp 43 is caught by the inner pot locking jaw 111 and the driving motor 50 is completed. It doesn't work anymore.

On the other hand, when the release button 70a is pressed, the reverse rotation drive motor 50a is operated to return the drive lever 45 to the release position, and the clamp 43 is separated from the inner pot locking jaw 111. At this time, the drive lever sensor 60a is activated to detect the position of the drive lever 45, it is determined that the clamp 43 is completely removed from the inner pot locking jaw 111, the drive motor 50a is no longer It doesn't work. In particular, since the reverse rotation drive motor 50a does not operate even when the release button 70a is pressed during cooking, the clamp 43 is not released from the inner pot catching jaw 111.

However, when cooking is finished, the clamp 43 is finally released from the inner pot locking jaw 111 by pressing the release button 70a. And, if you want to add other grains, such as rice contained in the inner pot 110 during cooking, by pressing the cancel button (not shown) provided in the main body 10, by canceling the entire function inner pot 110 Put the desired grain into the, then press the cook button 70 to restart cooking.

The user authentication panel 80 is a user authentication means for fundamentally blocking safety accidents such as high temperature and high pressure steam leakage accidents caused by involuntary opening and closing of the cover 20 of the children. A component that works to grant (authenticate) or deny permissions.

That is, since only the adult, such as a housewife who handles the electric cooker 100 can be set to be given a password as a party user, children who do not have a password is considered to be not a party user. Therefore, the driving motors 50 and 50a may be operated only when it is determined as a legitimate user according to the authentication result of the user authentication panel 80.

The user authentication panel 80 includes a password input button 81 and a password display window 33 for setting or inputting a password. The password input button 81 checks the password display window 33. Can work. Since the driving motors 50 and 50a are operated only when the input password matches the set password, the driving motors 50 and 50a operate only when the input password is authenticated after the cooking is finished, and the clamp 43 It is not possible to open the cover 20 until the latched state of the door is released. On the other hand, if the authentication fails, the cover 20 cannot be opened. In addition, the user authentication panel 80 may be omitted.

In addition, in the electric rice cooker 100 including the automatic locking device according to an embodiment of the present invention, with reference to FIGS. 4 to 9 for the operation of the clamp 43 when starting cooking and when the cooking is finished. Will be explained.

Figure 4 is a perspective view showing that the clamp is caught on the inner pot stopper, Figure 5 is a plan view schematically showing a part shown in Figure 4, Figure 6 is a cooking process after closing the cover, the operation process of the electric cooker 7 is a perspective view illustrating that the clamping state of the clamp is released, FIG. 8 is a plan view schematically illustrating a portion of FIG. 7, and FIG. In this case, there is a flowchart illustrating the operation of the electric cooker.

4 to 9, water and rice are mixed and placed in the inner pot 110 to be seated inside the main body 10, and then the cover 20 is closed to operate the cover detection switch Sw, thereby driving the motor 50. Clamp guide hole 44b is inclined to one side of the clamp support ring 44 is rotated as the driving lever 45 is rotated, the clamp support ring 44 is connected to the drive lever 45 is rotated One end of the clamp 43 is guided along.

At this time, the clamp 43 in which one end portion is guided along the inclined clamp guide hole 44b is within a range of a predetermined angle with respect to the clamp support 46 coupled to the clamp support panel 23. Rotate, the clamp 43 is rotated so that the other end of the clamp 43 is caught on the inner pot locking jaw 111, the drive lever sensor 60 detects the position of the drive lever 45, When it is detected that the final position has been reached, the driven drive motor 50 stops operating, and the clamp 43 is completely caught by the inner pot locking jaw 111, and then, by pressing the cooking button 70, it is finally achieved. Cooking is started. In this case, a password may be set by specifying and inputting a password for user authentication.

In addition, the locked state of the clamp 43 is set so that an LED lamp (not shown) disposed on one side of the cooking button 70 is turned on and displayed, or a sound is generated by a separate buzzer. Can also be set.

On the other hand, when the cooking is finished to operate the release button (70a), first need to authenticate the user using the user authentication panel 80, the password input button 81 to operate the normal user authentication is made by entering a password After the ground, the driving motor 50a is activated so that the clamp 43 returns to the initial position where the locking state with the inner pot locking jaw 111 is completely released, and the driving lever detection sensor 60a of the driving lever 45 is closed. When the position is sensed and the sensing state is located at the initial position where the locking state is released, the driven driving motor 50a stops operating, and at this time, the clamp 43 completes the locking state from the inner pot catching jaw 111. To be released. Thus, when the clamp 43 is completely released from the inner pot catching jaw 11, the cover 20 may be opened after the cover opening button 11 is operated.

Therefore, the electric rice cooker 100 including the automatic locking device according to an embodiment of the present invention equipped with a user authentication means, the children are injured by the steam leakage of high temperature and high pressure due to the indiscriminate opening and closing of the cover 20 It can fundamentally prevent accidents. In particular, it is possible to prevent the release state of the clamp 43 caught on the inner pot catching portion 43 during cooking by preventing the release button 70a from operating during cooking.

And, the operation of the electric rice cooker including the automatic locking device according to another embodiment of the present invention will be described with reference to FIGS. 1 and 10 to 12.

10 is a schematic plan perspective view of an electric cooker according to another embodiment of the present invention, Figure 11 is a flow chart showing the operation process when starting cooking after closing the cover, Figure 12 is a cover after cooking is finished It is a flowchart showing the operation process when opening the.

1 and 10 to 12, the electric cooker 100 including an automatic locking device according to another embodiment of the present invention, the main body 10, the cover 20, the operation panel 30, clamping The device 40a, the electromagnet 90, the return spring S, the drive lever sensor 60, 60a, the cooking button and the release button 70, 70a, the user authentication panel 80, and the inner pot 110 Include. Descriptions of parts similar to those of the exemplary embodiment shown in FIGS. 1 to 9 will be omitted.

First, when the inner pot 110 is seated on the main body 10, and then the cover 20 is closed to operate the cover detection switch Sw, the electromagnet 90 is operated to rotate the driving lever 45 and the driving lever. One end of the clamp 43 is guided along the clamp guide hole 44b which is inclined to one side of the clamp support ring 44 while the clamp support ring 44 connected to the 45 is rotated.

As shown in FIGS. 4 and 5, the clamp 43 in which one end is guided along the inclined clamp guide hole 44b is referred to the clamp support 46 coupled to the clamp support panel 23. Is rotated within the range of a predetermined angle, and finally the other end of the clamp 43 is caught on the inner pot locking jaw 111, the drive lever sensor 60 detects the position of the drive lever 45, When it is detected that the final position has been reached, the operated electromagnet 90 stops the operation, and at this time, the clamp 43 is completely caught by the inner pot locking jaw 111 and is cooked by pressing the cooking button 70 again. Is disclosed.

That is, the electromagnet 90 rotates the drive lever 45 so that the clamp 43 is rotated within a range of a predetermined angle so as to be caught by the inner pot catching jaw 111 or the locked state is released. The electromagnet 90 is an electromagnet body 91, an electromagnet operating shaft 92 and an electromagnet operating shaft 92 which are housed inside the electromagnet body 91 and reciprocated out of the electromagnet body 91 and are transported. It is coupled to the end includes an actuator 93 is reciprocated by a predetermined section in accordance with the action of the attraction or reaction force by the induced magnetic force generated in the electromagnet body 91, one side of the actuator 93 is a drive lever Coupled to 45.

And, one side of the electromagnet 90 may further include a return spring (S), so that the actuator 93 is easily returned to its original position. The engagement position of the return spring S with respect to the electromagnet 90 may be changed depending on whether the clamp 43 is set to the initial state of the inner pot catching jaw 11 to the initial state or vice versa. The return spring S may be deleted.

Therefore, in the electric rice cooker according to another embodiment of the present invention, unlike the driving motors 50 and 50a in the embodiment shown in Figs. 1 to 9, the electromagnet 90 is operated as a driving device, As the operator 93 reciprocates linearly, the clamp 43 rotates about the clamp support 46, so that the clamp 43 is caught by the inner pot catching jaw 111 or the latching state is released. .

As such, the electric rice cooker including an automatic locking device according to various embodiments of the present disclosure has a technical feature in that the clamp 43 is automatically caught on the inner pot catching jaw 111 or the catching state is automatically released. In addition, there is another technical feature to fundamentally block safety accidents such as high-temperature, high-pressure steam leakage caused by children who are not party users by opening the cover with a user authentication means.

And, the operation of the electric rice cooker including the automatic locking device according to the clamping device of another embodiment of the present invention will be described with reference to FIGS.

FIG. 13 is a perspective view of an electric rice cooker according to another embodiment of the present invention, FIG. 14 is an exploded perspective view of FIG. 13, FIG. 15 is a perspective view showing a part of the driving device shown in FIG. 14, and FIG. 16 is a inner pot of a clamp. It is a top view which shows that it catches on a latching jaw, and FIG. 17 is a top view which shows that the clamping state of a clamp is released.

13 to 17, the electric rice cooker according to another embodiment includes a main body 10 on which the inner pot 110 is seated, and a cover 20 mounted on the main body so as to be openable and closed.

The operation panel 30 is mounted to the main body 10, and various buttons 31, 32, 70, and 70a, an operation state display window 33, and a user authentication panel 80 are coupled to the operation panel 30. Since the operation panel 30 has the same configuration and operation as the operation panel 30 of the electric rice cooker described in the above embodiment, description thereof will be omitted.

Inner pot 110 is formed on the upper edge of the inner pot engaging jaw 111 protruding in the circumferential direction. The inner pot locking step 111 is composed of a plurality of locking step (111a, 111b) protruding at a predetermined interval in the outer direction on the upper end of the inner pot (110).

The cover 20 may include a cover case 21, which is combined with the cover case 21 and forms a closed space together with the inside of the main body 10, to form an exterior and to be opened and closed to the main body 10 ( 22) and a clamp support panel 23 coupled to the cover frame 22 and forming another closed space together with the inner side of the inner pot 110.

The clamp 43 is rotatably supported on the inner surface of the clamp support panel 23, and the clamp 43 has a predetermined interval inward at a lower end of the clamp 43 so as to be caught by the inner pot locking jaw 111. A locking jaw 433 is formed.

That is, when the cover 20 is closed on the main body 10, the clamp support panel 23 is positioned on the inner pot 110, and at this time, the clamp catching jaw 433 is positioned between the inner pot catching jaws 111. When the clamp 43 is rotated in this state, the clamp catching jaw 433 is fitted to the lower surface of the inner pot catching jaw 111 to seal the inner pot 10.

Drive motors 50 and 50a are mounted to the cover frame 22, and drive gears 51 and 51a are mounted to the drive motors 50 and 50a, and the drive gears 51 and 51a are rotated shafts 42. The driven gear 41 is fixed to the outer peripheral surface of the gear bites.

The rotating shaft 42 passes through the center of the cover frame 22 and is rotatably supported by the cover frame 22. One end of the driving lever 45 is mounted at the lower end of the rotating shaft 42, and the driving lever 45 rotates when the rotating shaft 42 is rotated.

An arc-shaped slide hole is formed at one side of the clamp support panel 23, and the driving lever locking protrusion 44d is slidably inserted into the slide hole, and the driving lever locking protrusion 44d is connected to the clamp 43. The clamp 43 is rotated when the driving lever locking protrusion 44d is formed on the upper surface and moved along the slide hole.

Drive lever detection sensors 60 and 60a are mounted at both edges of the slide hole, and the drive lever detection sensors 60 and 60a are components for detecting the position of the drive lever 45 and include a proximity sensor. Any kind of sensor capable of detecting the can be used. When the driving lever detecting sensors 60 and 60a detect the position of the driving lever 45 and determine that the driving lever 45 is positioned at the initial position or the final position, the driving motors 50 and 50a are stopped. The 433 is correctly caught by the inner pot catching jaw 111 or is separated from the inner pot catching jaw 11 to completely release the latching state.

One end of the driving lever 45 is mounted to the rotary shaft 42 and the other end thereof is locked to the driving lever locking protrusion 44d. When the rotating shaft 42 is rotated, the other end is pivoted in an arc shape to drive the locking lever locking protrusion ( Move 44d) along the slide hole.

Thus, the operation of the electric rice cooker according to another embodiment configured will be described below.

Since the operation of the operation panel 30 is the same as the operation of the operation panel 30 described in the above embodiment, a description thereof will be omitted.

When the cover 20 is closed to the main body 10, the clamp catching jaws 111 formed in the clamp 43 are disposed between the inner pot catching jaws 433. In this state, when the operation panel 30 is operated, the drive motors 50 and 5a are driven to rotate the rotation shaft 42. Then, the driving lever 45 is pivoted and the driving lever engaging protrusion 44d is moved along the slide hole. Then, as the clamp 43 rotates, the clamp catching jaws 111 are fitted to the lower surfaces of the inner pot catching jaws 433 to seal the inner pot 110.

Then, as described in the above embodiment, when the operation motor 30 and the driving motors 50 and 5a are driven in the reverse direction, the clamp catching jaws 111 are separated from the inner pot catching jaw 433 and the inner pot ( Unlock 110).

18 is a top view of an electric rice cooker according to another embodiment of the present invention.

The electric rice cooker shown in FIG. 18 is the same as the electric rice cooker described in another embodiment, but the electromagnet 500 is used instead of the driving motor 42 as a driving device for driving the driving lever 45.

That is, the electric rice cooker according to another embodiment is equipped with an electromagnet 500 on the upper surface of the clamp support panel 23, the operating rod 510 of the electromagnet 500 is hinged to one side of the drive lever 45. Connected.

And, when the power applied to the electromagnet 500 is cut off, the operating rod 510 is provided with a return spring 520 to return the operating rod to its original state.

The electric cooker according to another embodiment as described above pushes the driving lever 45 while the operating rod 510 is advanced when power is applied to the electromagnet 500. Then, as the driving lever 45 pivots, the driving lever engaging protrusion 44d is moved along the slide hole. Then, as the clamp 43 rotates, the clamp catching jaws 111 are fitted to the lower surfaces of the inner pot catching jaws 433 to seal the inner pot 110.

When the power applied to the electromagnet 500 is cut off, the driving rod 45 is pulled back by the operation rod 510 by the elastic force of the return spring 520. Then, while the driving lever 45 is pivoting in the opposite direction, the clamping jaws 111 are separated from the inner pot locking jaw 433 to release the lock of the inner pot 110.

Although the preferred embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of the present invention.

1 is a perspective view showing the appearance of an electric rice cooker according to an embodiment of the present invention,

2 is an exploded perspective view of the electric rice cooker shown in FIG.

Figure 3 is a bottom perspective view showing a coupling state of the clamp and the inner pot,

Figure 4 is a perspective view showing that the clamp is caught on the inner pot locking jaw,

5 is a plan view schematically showing a portion of FIG. 4;

6 is a flowchart illustrating the operation of the electric cooker when starting cooking after closing the cover,

7 is a perspective view illustrating that the clamping state of the clamp is released;

FIG. 8 is a plan view schematically showing a portion of FIG. 7;

9 is a flowchart illustrating an operation process of the electric rice cooker when the cover is opened after cooking is finished;

10 is a schematic plan view of an electric rice cooker according to another embodiment of the present invention,

11 is a flowchart illustrating an operation process in the case of starting cooking after closing the cover,

12 is a flowchart illustrating an operation process when the cover is opened after cooking is finished;

13 is a perspective view of an electric rice cooker according to another embodiment of the present invention,

14 is an exploded perspective view of FIG. 13,

FIG. 15 is a perspective view showing a part of the driving device shown in FIG. 14;

16 is a plan view showing that the clamp is caught on the inner pot locking jaw,

17 is a plan view showing that the clamping state of the clamp is released;

18 is a plan view of an electric rice cooker according to another embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

10: body 11: cover latch button

20: cover 21: cover case

22: cover frame 23: clamp support panel

24: cover jam step 30: operation panel

31: Insulation selection button 32: Cooking selection button

33: operation status display window 40: clamping device

41: driven gear 42: rotating shaft

43: clamp 44: clamp support ring

44a: support ring guide hole 44b: clamp guide hole

44c, 44d: driving lever locking projection 45: driving lever

46: clamp support 47: support ring guide

48: clamp coupling panel 50 (50a): drive motor

51 (51a): Motor shaft 52 (52a): Drive gear

60 (60a): drive lever detection sensor 70 (70a): cook (release) button

80: user authentication panel 81: password input button

82: password display window 90: electromagnet

91: electromagnet body 92: electromagnet working shaft

93: operator 100: rice cooker

110: inner pot 111: inner pot hanging jaw

S: Return spring Sw: Cover detection switch

Claims (11)

Body with internal space, Inner pot seated in the inner space and the inner pot engaging jaw is formed on one side, A cover connected to the main body and capable of sealing the internal space; The cover is a cover case mounted to the main body so as to be openable, A clamp support panel coupled to the cover case, the driving lever being pivotally mounted, and covered by the inner pot; A clamp locking jaw rotatably mounted to the clamp support panel, the clamp locking jaw engaging with the inner pot locking jaw is formed, and a clamp connected to the driving lever, and And an electromagnet mounted on the clamp support panel to rotate the driving lever. In claim 1, The inner pot catching jaw is formed at a predetermined interval on the upper outer surface of the inner pot, the clamp engaging jaw is formed at regular intervals on the lower inner surface of the clamp. In claim 1, An arc-shaped slide hole is formed in the clamp support panel, and a driving lever locking protrusion fixed to the clamp is movable in the slide hole, and the end of the driving lever is caught by the driving lever locking protrusion. In claim 1, The clamp support panel is an electric rice cooker equipped with a drive lever detection sensor for detecting the position of the drive lever. In claim 1, The electromagnet is an electric rice cooker, the operating lever is advanced when the power is applied, the operating lever is connected to the driving lever, the operating lever is provided with a return spring for retracting the operating lever. In claim 1, The electric cooker further comprises a user authentication means installed in the main body, the electromagnet is controlled according to the authentication result of the user authentication means. In claim 6, The user authentication means includes a password input button and a control unit connected to the button, and the control unit controls the movement of the driving apparatus based on a result of comparing the information input by the password input button with a preset number. Electric cooker to control. A cover connected to the main body and capable of sealing the internal space; A clamp disposed on the cover and caught on the locking jaw, An electromagnet installed in the accommodation space formed in the cover; A driving lever pivotally connected with the electromagnet, and Is connected to the drive lever, and includes a support ring that moves together when the drive lever moves, A clamp guide hole is formed on one surface of the support ring, at least a portion of the clamp is inserted into the clamp guide hole, and the clamp is caught or released on the locking jaw as the support ring moves. In claim 8, The clamp guide hole is formed on the outer circumferential surface of the clamp support ring in a circumferential direction, and when the portion of the clamp is inserted, a portion where the clamp is released from the locking jaw is low, and when the portion of the clamp is inserted, the clamp is caught. Electric rice cooker is formed in the high part caught. In claim 8, Is disposed on the cover, the electric rice cooker further comprising a drive lever sensor for detecting the position of the drive lever. In claim 8, The electromagnet is an electromagnet working shaft is connected, the electromagnet working shaft is connected to the drive lever, one side of the electromagnet is equipped with a return spring for returning the electromagnet working shaft to its original state.

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