CN209733438U - Automatic rice cooker of uncapping - Google Patents

Abstract

The utility model discloses an automatic rice cooker uncaps aims at providing one kind and can realize uncapping automatically to make rice cooker can need not to trompil setting on the outward appearance face at the push type hasp, guarantee the wholeness of rice cooker outward appearance, can detect the automatic rice cooker of uncapping of the state of opening of a kind of deep pot lid moreover. It includes a kind of deep pot body and articulates the a kind of deep pot lid on a kind of deep pot body through the articulated shaft, still includes: the fixed hook is arranged on one of the cooker body and the cooker cover; the automatic cover opening device is arranged on the other one of the cooker body and the cooker cover and comprises a rotary lock catch matched with the fixed hook and a driver, the rotary lock catch is rotationally arranged on the cooker body or the cooker cover through a rotating shaft, and the driver is used for pushing the rotary lock catch to rotate around the rotating shaft so as to enable the rotary lock catch to be disengaged from the fixed hook and open the cooker cover; and the cover opening detection device is arranged on the cooker body and the cooker cover and is used for detecting whether the cooker cover is in an opening state or not.

Description

automatic rice cooker of uncapping

Technical Field

The utility model relates to a rice cooker, concretely relates to automatic rice cooker uncaps.

Background

Cooking utensils such as rice cooker in the existing market usually include a kind of deep pot body and articulate the a kind of deep pot lid on a kind of deep pot body through the articulated shaft, in order to realize opening a kind of deep pot lid, adopt to cover at a kind of deep pot and set up the cooperation of fixed buckle on push type hasp and a kind of deep pot body, when a kind of deep pot lid is opened to needs, through exerting pressure on the push type hasp, down press the push type hasp, make push type hasp and fixed buckle throw off to open a kind of deep pot lid.

The push type hasp on cooking utensils such as rice cooker needs the manual realization of pressing of people to uncap to need trompil setting at the push type hasp on the outward appearance face of rice cooker, make the wholeness of rice cooker outward appearance not good, succinct inadequately, but also need carry out spraying or electroplating to the surface of push type hasp.

SUMMERY OF THE UTILITY MODEL

the utility model aims at providing a can realize uncapping automatically to make rice cooker can need not to trompil setting in the outward appearance face at the push type hasp, guarantee the wholeness of rice cooker outward appearance, can detect the automatic rice cooker that uncaps of the state of opening of a kind of deep pot lid moreover.

The technical scheme of the utility model is that:

The utility model provides an automatic rice cooker uncaps, includes the a kind of deep pot body and articulates the a kind of deep pot lid on the a kind of deep pot body through the articulated shaft, still includes: the fixed hook is arranged on one of the cooker body and the cooker cover; the automatic cover opening device is arranged on the other one of the cooker body and the cooker cover and comprises a rotary lock catch matched with the fixed hook and a driver, the rotary lock catch is rotationally arranged on the cooker body or the cooker cover through a rotating shaft, and the driver is used for pushing the rotary lock catch to rotate around the rotating shaft so as to enable the rotary lock catch to be disengaged from the fixed hook and open the cooker cover; and the cover opening detection device is arranged on the cooker body and the cooker cover and is used for detecting whether the cooker cover is in an opening state or not.

the automatic cover opening rice cooker has the advantages that the rotary lock catch is pushed by the driver to rotate around the rotating shaft, so that the rotary lock catch is separated from the fixed clamping hook, the cooker cover is automatically opened, the cover opening is realized without manual pressing of a person, and the convenience of cover opening operation can be improved; the automatic cover opening device is adopted to automatically open the cooker cover, so that the driver can be controlled in a mode of setting the control switch, the rice cooker can be provided with the pressing type lock catch without opening holes on the appearance surface, and the integrity of the appearance of the rice cooker is ensured; meanwhile, whether the cooker cover is in an opening state is detected through the cover opening detection device, so that when a user sends a cover opening instruction through the control switch and the cover opening detection device detects that the cooker cover is not opened, the controller of the automatic cover opening rice cooker can send out a driver starting instruction again, the driver is controlled to push the rotary lock catch to rotate around the rotating shaft, the rotary lock catch is separated from the fixed hook, the cooker cover is opened, and accordingly reliability of automatic cover opening is improved; if the controller of the automatic cover opening rice cooker sends out a driver starting instruction for many times and the cover opening detection device detects that the cooker cover is still not opened, a fault alarm can be sent out.

Preferably, the lid opening detection device includes a micro switch and a trigger, the micro switch is disposed on one of the pot body and the pot cover, and the trigger is disposed on the other of the pot body and the pot cover and disposed corresponding to the micro switch. When the cooker cover is opened, the trigger piece touches the contact of the micro switch, so that the cover opening detection device detects that the cooker cover is in an opening state; when the cooker cover is closed, the trigger piece is separated from the contact of the touch microswitch; therefore, whether the cooker cover is in an opening state or not can be accurately detected.

Preferably, the microswitch is adjacent the hinge axis. So, a kind of deep pot lid needs just can touch micro-gap switch's contact after being in the state of opening completely to improve the detection accuracy of uncapping detection device to a kind of deep pot lid open state.

Preferably, the microswitch is arranged on the cooker body, and the trigger piece is arranged on the cooker cover. The signal line of the microswitch can be directly electrically connected with the control in the cooker body without a hinged shaft connected with the cooker body through the cooker cover, so that the wiring of the signal line of the microswitch is facilitated, and the signal line of the microswitch is protected from being damaged.

Preferably, the middle ring of the cooker body is provided with an installation groove with an upward opening, and the microswitch is arranged in the installation groove. Therefore, the microswitch can be protected, and the structure compactness is improved.

Preferably, the bottom surface of the mounting groove is provided with a wiring hole, and a signal wire of the micro switch passes through the wiring hole. Therefore, the wiring of the signal wire of the microswitch is facilitated, and the signal wire of the microswitch is protected from being damaged.

preferably, a buckle for fixing the microswitch is arranged on the side surface of the mounting groove, and the microswitch is fixed in the mounting groove through the buckle. Therefore, the microswitch can be fixed, and the microswitch is convenient and quick to install and fix.

Preferably, the lining cover of the cooker cover is provided with a plurality of ribs, and one rib forms the trigger piece. Therefore, the structural strength of the lining cover can be improved through the rib, one rib forms the trigger part, the trigger part does not need to be additionally arranged, the lining cover structure can be simplified, and the actual die sinking manufacture of the lining cover is facilitated.

Preferably, the automatic cover opening device further comprises a lock catch torsion spring arranged on the rotating shaft, one end of the lock catch torsion spring is supported on the rotating lock catch, the other end of the lock catch torsion spring is supported on the cooker body or the cooker cover, the driver is an electromagnetic valve, the electromagnetic valve comprises a movable iron core, one end of the movable iron core is supported on the rotating lock catch, and the electromagnetic valve pushes the rotating lock catch to rotate around the rotating shaft through the movable iron core so that the rotating lock catch is separated from the fixed clamping hook to open the cooker cover. This scheme realizes the automatic re-setting of rotatory hasp through the hasp torsional spring.

Preferably, the cooker body or the cooker cover is provided with an electromagnetic valve groove and an electromagnetic valve cover plate, the electromagnetic valve is arranged in the electromagnetic valve groove, and the electromagnetic valve cover plate covers the notch of the electromagnetic valve groove. Therefore, the electromagnetic valve can be fixed to guarantee smooth work of the automatic cover opening device, and the electromagnetic valve can be protected.

The utility model has the advantages that: can realize automatic uncapping to make rice cooker can need not to punch the setting on the outward appearance face at the push type hasp, guarantee the wholeness of rice cooker outward appearance, can detect the state of opening of a kind of deep pot lid moreover.

Drawings

Fig. 1 is a schematic structural view of an automatic lid-opening rice cooker of the present invention, wherein the fixing hook is disposed on the cooker body, and the automatic lid-opening device is disposed on the cooker lid.

Fig. 2 is another schematic structural diagram of the rice cooker with automatic lid opening of the present invention, wherein the fixing hook is disposed on the cooker lid, and the automatic lid opening device is disposed on the cooker body.

Fig. 3 is an enlarged view of a portion a of fig. 1, in which the rotary latch is engaged with the fixed hook.

Fig. 4 is an exploded view of the automatic lid opening device of the automatic lid opening rice cooker of the present invention.

Fig. 5 is a partially enlarged view at B in fig. 1.

Fig. 6 is a schematic structural view of the automatic lid opening device of the automatic lid opening rice cooker of the present invention in the instant of opening the lid.

Fig. 7 is a schematic structural view of the rice cooker with an automatically opened cover according to the present invention.

Fig. 8 is a partial enlarged view at C in fig. 7.

In the figure:

The cooker cover 1, the lining cover 1.1 and the rib sheet 1.11;

A pot body 2 and a middle ring 2.1;

A hinged shaft 3;

A fixed hook 4;

The automatic cover opening device comprises an automatic cover opening device 5, a rotating shaft 5.1, a rotating lock catch 5.2, a driver 5.3, an electromagnetic valve 5.4, a movable iron core 5.41, a movable iron core reset spring 5.42, a lock catch torsion spring 5.5, an electromagnetic valve slot 5.6 and an electromagnetic valve cover plate 5.7;

The cover opening detection device comprises a cover opening detection device 6, a trigger piece 6.0, a microswitch 6.1, an installation groove 6.2 and a wiring hole 6.3;

And a lid opening torsion spring 7.

Detailed Description

To make the objects, technical solutions and advantages of embodiments of the present invention clearer, the embodiments of the present invention are clearly explained and illustrated below with reference to the accompanying drawings, but the following embodiments are only preferred embodiments of the present invention, not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present solution, and are not construed as limiting the present solution.

These and other aspects of embodiments of the invention will be apparent with reference to the following description and attached drawings. In the description and drawings, particular embodiments of the invention have been disclosed in detail as being indicative of some of the ways in which the principles of the embodiments of the invention may be practiced, but it is understood that the scope of the embodiments of the invention is not limited thereby. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.

In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., and "a plurality" means one or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as fixed or removable connections or integral parts, either mechanically or electrically, or in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the specific embodiment, as shown in fig. 1, 2 and 3, an automatic lid-opening rice cooker comprises a cooker body 2, a cooker lid 1 hinged to the cooker body 2 through a hinge shaft 3, a fixing hook 4, an automatic lid-opening device 5 and a lid-opening detection device 6. The fixing hook 4 is provided on one of the pot body 2 and the pot cover 1, and the automatic lid opening device 5 is provided on the other of the pot body 2 and the pot cover 1. The automatic cover opening device 5 comprises a rotary lock catch 5.2 matched with the fixed hook 4 and a driver 5.3, the rotary lock catch 5.2 is rotatably arranged on the cooker body 2 or the cooker cover 1 through a rotating shaft 5.1, and the driver 5.3 is used for pushing the rotary lock catch 5.2 to rotate around the rotating shaft 5.1 so as to separate the rotary lock catch 5.2 from the fixed hook 4 and open the cooker cover 1. The cover opening detection device 6 is arranged on the pot body 2 and the pot cover 1 and is used for detecting whether the pot cover 1 is in an opening state.

the automatic opening rice cooker pushes the rotary lock catch 5.2 to rotate around the rotating shaft 5.1 through the driver 5.3, so that the rotary lock catch 5.2 is separated from the fixed hook 4, the cooker cover 1 is automatically opened, opening is realized without manual pressing of a person, and the convenience of opening operation can be improved; moreover, the automatic opening device 5 is adopted to realize the automatic opening of the cooker cover 1, so that the driver 5.3 can be controlled in a mode of setting a control switch (such as a touch switch or a key switch), the rice cooker can be set on the pressing type lock catch without opening holes on the appearance surface, and the integrity of the appearance of the rice cooker is ensured; meanwhile, whether the pot cover 1 is in an opening state is detected through the cover opening detection device 6, so that after a user sends a cover opening instruction through the control switch, the cover opening detection device 6 detects that the pot cover 1 is still not opened, the controller of the automatic cover opening rice cooker can send a driver starting instruction again, the driver 5.3 is controlled to push the rotary lock catch 5.2 to rotate around the rotating shaft 5.1, the rotary lock catch 5.2 is separated from the fixed hook 4, the pot cover 1 is opened, and accordingly the reliability of automatic cover opening is improved; if the controller of the automatic cover opening rice cooker sends out a driver starting instruction for multiple times (for example, after the controller sends out the driver starting instruction for 3 times), and the cover opening detection device 6 detects that the cooker cover 1 is not opened, a fault alarm can be sent out.

Specifically, as shown in fig. 1, 2 and 5, the hinged shaft 3 is further provided with an uncovering torsion spring 7, one end of the uncovering torsion spring 7 abuts against the cooker cover 1, and the other end of the uncovering torsion spring 7 abuts against the cooker body 2. When the driver 5.3 pushes the rotary lock catch 5.2 to rotate around the rotating shaft 5.1, so that the rotary lock catch 5.2 is separated from the fixed hook 4, the cooker cover 1 rotates around the hinged shaft 3 to be opened under the action of the cover opening torsion spring 7, and the cooker cover 1 is automatically opened.

The rice cooker with the automatic cover opening function further comprises a controller and a control switch (not shown in the figure). The control switch is arranged on the cooker body 2 or the cooker cover 1, the control switch is a touch switch or a key switch, and a user can open the cooker cover 1 by touching or pressing the control switch. So can make the rice cooker can need not to punch the setting on the outward appearance and at the push type hasp, guarantee the wholeness of rice cooker outward appearance. The controller is arranged on the cooker body 2 or the cooker cover 1. The controller is respectively electrically connected with the driver 5.3 and the control switch and is used for receiving the opening instruction sent by the control switch and controlling the driver 5.3 to start, and the driver 5.3 pushes the rotary lock catch 5.2 to rotate around the rotating shaft 5.1 so as to separate the rotary lock catch 5.2 from the fixed hook 4, thereby realizing the automatic opening of the cooker cover 1.

Further, as shown in fig. 1, 3 and 4, the automatic lid opening device 5 further includes a locking torsion spring 5.5 disposed on the rotating shaft 5.1. One end of the lock catch torsion spring 5.5 is propped against the rotary lock catch 5.2, and the other end of the lock catch torsion spring 5.5 is propped against the cooker body 2 or the cooker cover 1.

The driver 5.3 is a solenoid valve 5.4. The electromagnetic valve 5.4 is electrically connected with the controller. The electromagnetic valve 5.4 comprises a movable iron core 5.41, and one end of the movable iron core 5.41 is abutted against the rotary lock catch 5.2. The electromagnetic valve 5.4 pushes the rotary lock catch 5.2 to rotate around the rotating shaft 5.1 through the movable iron core 5.41, so that the rotary lock catch 5.2 is separated from the fixed hook 4, and the cooker cover 1 is opened. In this embodiment, the electromagnetic valve 5.4 further includes an outer shell of the electromagnetic valve 5.4 and a movable iron core return spring 5.42. The movable iron core 5.41 is provided with a movable iron core 5.41 limiting piece on the outer side of the electromagnetic valve 5.4 shell, the movable iron core return spring 5.42 is sleeved on the movable iron core 5.41, and the movable iron core return spring 5.42 is arranged between the movable iron core 5.41 limiting piece and the electromagnetic valve 5.4 shell.

As shown in fig. 3 and 6, the driver 5.3 is used to push the rotating lock catch 5.2 to rotate around the rotating shaft 5.1, so that the rotating lock catch 5.2 is disengaged from the fixing hook 4, and the cooker cover 1 is opened; specifically, when the electromagnetic valve 5.4 is energized, the movable iron core 5.41 extends out, so as to push the rotary lock catch 5.2 to rotate around the rotating shaft 5.1, so that the rotary lock catch 5.2 is separated from the fixed hook 4, and the cooker cover 1 is opened; when the electromagnetic valve 5.4 is powered off, the movable iron core 5.41 resets under the restoring force action of the iron core reset spring, and at the moment, the rotary lock catch 5.2 resets under the action of the lock catch torsion spring 5.5.

As shown in fig. 3 and 4, the pot body 2 or the pot lid 1 is provided with a solenoid valve slot 5.6 and a solenoid valve cover plate 5.7, the solenoid valve 5.4 is arranged in the solenoid valve slot 5.6, and the solenoid valve cover plate 5.7 covers the notch of the solenoid valve slot 5.6, so that the solenoid valve 5.4 is fixed in the solenoid valve slot 5.6. In this embodiment, the electromagnetic valve slot 5.6 is disposed on the lining cover 1.1 of the pot cover 1, the opening of the electromagnetic valve slot 5.6 is upward, and the fixing hook 4 is disposed on the middle ring 2.1 of the pot body 2.

further, as shown in fig. 1, 4 and 5, the lid opening detection device 6 includes a micro switch 6.1 and a trigger 6.0. The microswitch 6.1 is arranged on one of the cooker body 2 and the cooker cover 1, and the trigger piece 6.0 is arranged on the other of the cooker body 2 and the cooker cover 1 and is arranged corresponding to the microswitch 6.1. The microswitch 6.1 is electrically connected with the controller through a signal wire. In this embodiment, the microswitch 6.1 is arranged on the pot body 2, and the trigger piece 6.0 is arranged on the pot cover 1.

As shown in fig. 7 and 8, when the cooker lid 1 is opened, the trigger 6.0 will touch the contact of the microswitch 6.1, so that the open-lid detection device 6 detects that the cooker lid 1 is in the open state. As shown in fig. 1 and 5, when the cooker lid 1 is closed, the trigger piece 6.0 is separated from the contact of the touch microswitch 6.1.

When a user touches or presses the control switch to send a cover opening instruction, if the trigger piece 6.0 does not touch the contact of the microswitch 6.1, the cover opening detection device 6 detects that the cooker cover 1 is not opened; the controller of the rice cooker with the automatic cover opening function can send out a driver starting instruction again, and the driver 5.3 is controlled to push the rotary lock catch 5.2 to rotate around the rotating shaft 5.1, so that the rotary lock catch 5.2 is separated from the fixed hook 4, the cooker cover 1 is opened, and the reliability of the automatic cover opening is improved; if the controller of the automatic cover opening rice cooker sends out a driver starting instruction for multiple times (for example, after the controller sends out the driver starting instruction for 3 times), and the cover opening detection device 6 detects that the cooker cover 1 is not opened, a fault alarm can be sent out.

further, as shown in fig. 1 and 5, the microswitch 6.1 is close to the hinge shaft 3, and correspondingly, the trigger 6.0 is also close to the hinge shaft 3. So, the pot lid 1 needs to be in the state of opening completely after, trigger 6.0 just can touch the contact of micro-gap switch 6.1 to improve the detection accuracy of uncapping detection device 6 to the open state of pot lid 1.

Further, as shown in fig. 1, 4 and 5, a lining cover 1.1 of the pot cover 1 is provided with a plurality of ribs 1.11, wherein one rib 1.11 constitutes the trigger 6.0. Therefore, the structural strength of the lining cover 1.1 can be improved through the rib pieces 1.11, one rib piece 1.11 forms the trigger piece 6.0, the trigger piece 6.0 does not need to be additionally arranged, the structure of the lining cover 1.1 can be simplified, and the actual die sinking manufacture of the lining cover 1.1 is facilitated. The rib piece 1.11 and the lining cover 1.1 are of an integral injection molding structure.

The middle ring 2.1 of the cooker body 2 is provided with an installation groove 6.2 with an upward opening, and the micro switch 6.1 is arranged in the installation groove 6.2. The side on the mounting groove 6.2 is used for fixing the buckle of micro-gap switch 6.1, and micro-gap switch 6.1 is fixed in mounting groove 6.2 through the buckle. The bottom surface of the mounting groove 6.2 is provided with a wiring hole 6.3, and a signal wire of the microswitch 6.1 passes through the wiring hole 6.3. So microswitch 6.1's signal line can be directly be connected with the control electricity in the a kind of deep pot body 2, need not to be connected articulated shaft 3 through a kind of deep pot lid 1 and a kind of deep pot body 2, is favorable to walking line of microswitch 6.1's signal line to the protection makes microswitch 6.1's signal line not destroyed.

The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and equivalent transformation of doing above embodiment the utility model discloses technical scheme's protection scope.

Claims (10)

1. the utility model provides an automatic rice cooker uncaps, includes a kind of deep pot body (2) and articulates a kind of deep pot lid (1) on a kind of deep pot body (2) through articulated shaft (3), characterized by still includes:

the fixed hook (4), the fixed hook (4) is arranged on one of the cooker body (2) and the cooker cover (1);

The automatic cover opening device (5) is arranged on the other one of the pot body (2) and the pot cover (1), the automatic cover opening device (5) comprises a rotary lock catch (5.2) matched with the fixed clamping hook (4) and a driver (5.3), the rotary lock catch (5.2) is rotatably arranged on the pot body (2) or the pot cover (1) through a rotating shaft (5.1), and the driver (5.3) is used for pushing the rotary lock catch (5.2) to rotate around the rotating shaft (5.1) so as to enable the rotary lock catch (5.2) to be separated from the fixed clamping hook (4) and open the pot cover (1);

And the cover opening detection device (6) is arranged on the cooker body (2) and the cooker cover (1) and is used for detecting whether the cooker cover (1) is in an opening state or not.

2. An automatic cover-opening rice cooker as claimed in claim 1, characterized in that the cover-opening detection means (6) comprises a microswitch (6.1) and a trigger (6.0), the microswitch (6.1) is arranged on one of the cooker body (2) and the cooker cover (1), and the trigger (6.0) is arranged on the other of the cooker body (2) and the cooker cover (1) and is arranged corresponding to the microswitch (6.1).

3. An automatic lid-opening rice cooker as claimed in claim 2, characterized in that said microswitch (6.1) is close to the hinging axis (3).

4. A rice cooker with an automatic cover-opening function as claimed in claim 2 or 3, wherein the microswitch (6.1) is arranged on the cooker body (2), and the trigger piece (6.0) is arranged on the cooker cover (1).

5. A rice cooker with an automatic cover opening as claimed in claim 4, wherein the middle ring (2.1) of the cooker body (2) is provided with an installation groove (6.2) with an upward opening, and the microswitch (6.1) is arranged in the installation groove (6.2).

6. An automatic cover-opening rice cooker as claimed in claim 5, wherein the bottom surface of the mounting groove (6.2) is provided with a wire hole (6.3), and a signal wire of the microswitch (6.1) passes through the wire hole (6.3).

7. an automatic cover-opening rice cooker as claimed in claim 5, characterized in that a snap for fixing the micro switch (6.1) is arranged on the side surface of the mounting groove (6.2), and the micro switch (6.1) is fixed in the mounting groove (6.2) through the snap.

8. A rice cooker with an automatic cover opening as claimed in claim 4, characterized in that the lining cover (1.1) of the cooker cover (1) is provided with a plurality of ribs (1.11), wherein one rib (1.11) constitutes the trigger member (6.0).

9. The automatic cover opening rice cooker according to claim 1, 2 or 3, characterized in that the automatic cover opening device (5) further comprises a lock catch torsion spring (5.5) arranged on the rotating shaft (5.1), one end of the lock catch torsion spring (5.5) abuts against the rotating lock catch (5.2), the other end of the lock catch torsion spring (5.5) abuts against the cooker body (2) or the cooker cover (1), the driver (5.3) is an electromagnetic valve (5.4), the electromagnetic valve (5.4) comprises a movable iron core (5.41), one end of the movable iron core (5.41) abuts against the rotating lock catch (5.2), and the electromagnetic valve (5.4) pushes the rotating lock catch (5.2) to rotate around the rotating shaft (5.1) through the movable iron core (5.41) so as to separate the rotating lock catch (5.2) from the fixed hook (4) and open the cooker cover (1).

10. A rice cooker with an automatic cover opening as claimed in claim 9, wherein the cooker body (2) or the cooker cover (1) is provided with an electromagnetic valve slot (5.6) and an electromagnetic valve cover plate (5.7), the electromagnetic valve (5.4) is arranged in the electromagnetic valve slot (5.6), and the electromagnetic valve cover plate (5.7) covers the notch of the electromagnetic valve slot (5.6).