Electric cooker with automatic locking and unlocking functions

Abstract

The utility model discloses an electric cooker with automatic locking and unlocking functions, which comprises a cooker body, an upper cover, a connecting rod, an annular lock catch, a motor and a gear, the upper cover can be turned over to cover the cooker body, the cooker body comprises an inner container, the upper cover comprises a lining, one end of the connecting rod is connected to the lining and can rotate around the inner container, the annular lock catch is connected to the other end of the connecting rod, and the motor can rotate around the inner container. The motor is fixed to the connecting rod, the lining is provided with meshing teeth, the gear is arranged on the motor and connected to the meshing teeth in a meshing mode, the gear is driven by the motor to rotate relative to the lining in a meshing mode and sequentially drives the motor and the connecting rod to rotate relative to the lining, and the annular lock catch is driven by the connecting rod to rotate till the annular lock catch and the inner container are in a locked state or an unlocked state. By the adoption of the design mode, the automatic lock opening and closing structure is arranged, so that the operation when a user uses the electric cooker can be simplified, and the use experience of the user is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rice cookers, in particular to a rice cooker with an automatic opening and locking function. Background Art

[0002] Generally, a rice cooker on the market at present includes a pot body and an upper cover. In order to stably connect the upper cover to the pot body, the upper cover is generally locked to the pot body by a locking method. Specifically, a cover tooth is provided on the upper cover, and a pot tooth is provided on the pot body. The cover tooth and the pot tooth are locked by screwing. However, in the use of the current rice cooker, the user needs to first place the upper cover on the pot body and then rotate the upper cover to lock the cover tooth and the pot tooth. The locking process of the above pot body and the upper cover is relatively complicated, which affects the user experience. Summary of the Utility Model

[0003] In order to overcome at least one of the above-mentioned defects of the prior art, the utility model provides a rice cooker with an automatic opening and locking function to solve the problem that the locking process of the existing rice cooker is relatively complicated and affects the user experience.

[0004] The technical solution adopted by the utility model to solve its problems is that the embodiment of the utility model discloses a rice cooker with an automatic opening and locking function, which includes a pot body, an upper cover, a connecting rod, an annular lock, a motor and a gear. The upper cover can be turned over and closed on the pot body. The pot body includes an inner pot, and the upper cover includes a lining. One end of the connecting rod is connected to the lining and can rotate around the inner pot. The annular lock is connected to the other end of the connecting rod. The motor is fixed on the connecting rod. The lining is provided with meshing teeth, and the gear is arranged on the motor and meshes with the meshing teeth. Driven by the motor, the gear meshes and rotates relative to the lining, and successively drives the motor and the connecting rod to rotate relative to the lining. The annular lock rotates under the drive of the connecting rod to the state where the annular lock is locked or unlocked with the inner pot.

[0005] As an optional implementation manner, in the embodiment of the utility model, the connecting rod is a sector connecting rod. The center of the sector connecting rod is connected to the center of the lining. One side of the arc of the sector connecting rod is connected to the annular lock, and the motor is fixed to the other side of the arc of the sector connecting rod. The meshing teeth are located on the outer periphery of the lining and are arranged around the outer periphery of the arc of the sector connecting rod.

[0006] As an alternative embodiment, in the embodiment of the present utility model, a first avoidance groove is provided on the other side of the arc of the sector link. The motor is located above the first avoidance groove and is fixed to the link on both sides. A part of the gear is located in the first avoidance groove to be connected to the motor, and the axis of the gear is located on the arc line of the sector link.

[0007] As an alternative embodiment, in the embodiment of the present utility model, the annular lock is located below the inner lining and surrounds the inner container. The link is located above the inner lining and one end of the link is fixed to the inner lining. A first hanging shaft is provided on the annular lock, and an arc-shaped second avoidance groove is provided on the inner lining. The first hanging shaft passes through the second avoidance groove to be connected to the other end of the link.

[0008] As an alternative embodiment, in the embodiment of the present utility model, a third avoidance groove is provided on the inner lining, and a manual lever is further provided on the annular lock. The manual lever passes through the third avoidance groove and is used to drive the annular lock to rotate under the action of an external force.

[0009] As an alternative embodiment, in the embodiment of the present utility model, a guiding member is provided on the inner lining, and an arc-shaped guiding groove is provided on the link. The guiding member is inserted into the arc-shaped guiding groove.

[0010] As an alternative embodiment, in the embodiment of the present utility model, the guiding member includes a first guiding member near one end of the link and a second guiding member near the other end of the link. The arc-shaped guiding groove includes a first arc-shaped guiding groove near one end of the link and a second arc-shaped guiding groove near the other end of the link. The first guiding member is inserted into the first arc-shaped guiding groove, and the second guiding member is inserted into the second arc-shaped guiding groove.

[0011] As an alternative embodiment, in the embodiment of the present utility model, the rice cooker with an automatic opening and closing lock function further includes a cover plate and a magnetic sensitive float assembly. The cover plate is located between the inner container and the inner lining and is fixed to the inner lining. A first exhaust hole is provided on the cover plate, and a movable hole is provided on the inner lining. The magnetic sensitive float assembly is arranged at the first exhaust hole and can movably pass through the movable hole. When the annular lock is in a locked state with the inner container, the magnetic sensitive float assembly can pass through the movable hole under the pressure in the inner container to limit the link, so that the annular lock remains in the locked state.

[0012] As an alternative embodiment, in the embodiment of the present utility model, the magnetic sensitive float assembly includes a magnetic sensitive float and a first sealing ring. The first sealing ring is disposed at the first exhaust hole. One end of the magnetic sensitive float passes through the first sealing ring, and the other end of the magnetic sensitive float movably passes through the movable hole. The magnetic sensitive float moves under the exhaust pressure of the first exhaust hole to limit the connecting rod.

[0013] As an alternative embodiment, in the embodiment of the present utility model, when the connecting rod rotates to a state where the annular lock engages with the inner container, a limiting hole is formed on one side of the connecting rod. The magnetic sensitive float assembly moves to pass through the limiting hole to limit the connecting rod.

[0014] As an alternative embodiment, in the embodiment of the present utility model, the inner container is provided with a first pot tooth, and the annular lock is provided with a second pot tooth. The annular lock and the inner container are locked or unlocked through the cooperation of the second pot tooth and the first pot tooth.

[0015] Implementing the embodiment of the present utility model will have the following beneficial effects:

[0016] The present utility model provides an electric rice cooker including a pot body, an upper cover, a connecting rod, an annular lock, a motor, and a gear. The upper cover can be turned over and closed on the pot body. The pot body includes an inner container, and the upper cover includes a lining. One end of the connecting rod is connected to the lining and can rotate around the inner container. The annular lock is connected to the other end of the connecting rod. The motor is fixed on the connecting rod. The lining is provided with meshing teeth, and the gear is disposed on the motor and meshes with the meshing teeth. Driven by the motor, the gear rotates meshingly relative to the lining, and sequentially drives the motor and the connecting rod to rotate relative to the lining. The annular lock rotates under the drive of the connecting rod to a state where the annular lock is locked or unlocked with the inner container. When in use, when it is necessary to lock the upper cover on the pot body, the motor drives the gear to rotate meshingly relative to the lining, and sequentially drives the motor and the connecting rod to rotate relative to the lining. The annular lock rotates under the drive of the connecting rod to a state where the annular lock is locked with the inner container. When it is necessary to unlock the upper cover from the pot body, the motor drives the gear to rotate reversely meshingly relative to the lining, and sequentially drives the motor and the connecting rod to rotate reversely relative to the lining. The annular lock rotates under the drive of the connecting rod to a state where the annular lock is unlocked with the inner container. Adopting such a design method, by setting an automatic opening and closing lock structure, the operation of the user when using the electric rice cooker can be simplified, thereby improving the user experience. Description of the Drawings

[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0018] Figure 1 Schematic structural diagram of the upper cover of the rice cooker with an automatic opening and closing lock function in the embodiment of the present invention after being closed on the pot body and the annular lock being in a locked state with the inner pot;

[0019] Figure 2 Schematic structural diagram of the annular lock of the rice cooker with an automatic opening and closing lock function in the embodiment of the present invention being in a locked state with the inner pot;

[0020] Figure 3 Schematic structural diagram of the upper cover of the rice cooker with an automatic opening and closing lock function in the embodiment of the present invention after being closed on the pot body and the annular lock being in an unlocked state with the inner pot;

[0021] Figure 4 Schematic structural diagram of the annular lock of the rice cooker with an automatic opening and closing lock function in the embodiment of the present invention being in an unlocked state with the inner pot;

[0022] Figure 5 For Figure 3 Cross-sectional view;

[0023] Figure 6 Cross-sectional view of the magnetic sensitive float assembly of the rice cooker with an automatic opening and closing lock function in the embodiment of the present invention limiting the connecting rod;

[0024] Figure 7 Exploded schematic structural diagram of the magnetic sensitive float assembly of the rice cooker with an automatic opening and closing lock function in the embodiment of the present invention;

[0025] Figure 8 Schematic structural diagram of the upper cover of the rice cooker with an automatic opening and closing lock function in the embodiment of the present invention after being flipped relative to the pot body.

[0026] Among them, the meanings of the reference numerals are as follows:

[0027] 1 - Pot body; 11 - Inner liner; 111 - First pot tooth; 2 - Cover plate; 3 - Inner lining; 31 - Engaging teeth; 32 - Second avoidance groove; 33 - First guiding member; 34 - Second guiding member; 35 - Third avoidance groove; 4 - Connecting rod; 41 - Limit hole; 42 - First arc-shaped guiding groove; 43 - Second arc-shaped guiding groove; 5 - Ring lock; 51 - First hanging shaft; 52 - Second pot tooth; 6 - Motor; 7 - Gear; 8 - Manual lever; 9 - Magneto-sensitive float; 91 - Inner float; 92 - Outer float; 10 - First sealing ring. Detailed implementation manners

[0028] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

[0029] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present invention belongs. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0031] Please refer to Figures 1 to 8 , the embodiments of the present invention disclose an electric rice cooker with an automatic opening and locking function, including a pot body 1, an upper cover, a connecting rod 4, a ring lock 5, a motor 6 and a gear 7. The upper cover can be turned over and closed on the pot body 1. The pot body 1 includes an inner liner 11. The upper cover includes an inner lining 3. One end of the connecting rod 4 is connected to the inner lining 3 and can rotate around the inner liner 11. The ring lock 5 is connected to the other end of the connecting rod 4. The motor 6 is fixed on the connecting rod 4. The inner lining 3 is provided with engaging teeth 31. The gear 7 is arranged on the motor 6 and meshes with the engaging teeth 31. Driven by the motor 6, the gear 7 rotates meshingly relative to the inner lining 3, and successively drives the motor 6 and the connecting rod 4 to rotate relative to the inner lining 3. The ring lock 5 rotates under the drive of the connecting rod 4 until the ring lock 5 and the inner liner 11 are in a locked state (as Figure 1 shown) or an unlocked state (as Figure 2As shown. When in use, when it is necessary to lock the upper cover to the pot body 1, the motor 6 drives the gear 7 so that the gear 7 meshes and rotates relative to the inner liner 3, and successively drives the motor 6 and the connecting rod 4 to rotate relative to the inner liner 3. The annular lock 5 rotates under the drive of the connecting rod 4 until the annular lock 5 and the inner pot 11 are in a locked state; when it is necessary to unlock the upper cover from the pot body 1, the motor 6 drives the gear 7 so that the gear 7 meshes and rotates in the reverse direction relative to the inner liner 3, and successively drives the motor 6 and the connecting rod 4 to rotate in the reverse direction relative to the inner liner 3. The annular lock 5 rotates under the drive of the connecting rod 4 until the annular lock 5 and the inner pot 11 are in an unlocked state. By adopting such a design method, by setting an automatic opening and closing lock structure, the operation of the user when using the rice cooker can be simplified, thereby improving the user experience.

[0032] In order to realize the locking or unlocking of the annular lock 5 and the inner pot 11, a first pot tooth 111 is provided on the inner pot 11, a second pot tooth 52 is provided on the annular lock 5, and the annular lock 5 and the inner pot 11 are locked or unlocked through the cooperation of the second pot tooth 52 and the first pot tooth 111.

[0033] Among them, the connecting rod 4 can rotate around the inner liner 3 specifically includes that the connecting rod 4 can rotate around the center of the inner liner 3 or can rotate around the eccentric shaft of the inner liner 3. There is no limitation on this, and this embodiment takes the connecting rod 4 rotating around the center of the inner liner 3 as an example.

[0034] In some embodiments, in order to drive the annular lock 5 to rotate relative to the inner pot 11 to lock or unlock when the connecting rod 4 rotates around the inner liner 3, the connecting rod 4 is a fan-shaped connecting rod. The center of the fan-shaped connecting rod is connected to the center of the inner liner 3, one side of the arc of the fan-shaped connecting rod is connected to the annular lock 5, and the motor 6 is fixed to the other side of the arc of the fan-shaped connecting rod. The meshing teeth 31 are located on the outer periphery of the inner liner 3 and are arranged around the outer periphery of the arc of the fan-shaped connecting rod.

[0035] Furthermore, in order to drive the connecting rod 4 to rotate relative to the inner liner 3 when the gear 7 meshes and rotates relative to the inner liner 3, a first avoidance groove is provided on the other side of the arc of the fan-shaped connecting rod. The motor 6 is located above the first avoidance groove and is fixed to the connecting rod 4 on both sides. The gear 7 is partially located in the first avoidance groove to be connected to the motor 6, and the axis of the gear 7 is located on the arc line of the fan-shaped connecting rod. By adopting such a design method, since the axis of the gear 7 is located on the arc line of the fan-shaped connecting rod, the fan-shaped connecting rod can move along its own arc when the gear 7 rotates.

[0036] Among them, the annular lock 5 is located below the inner liner 3 and is arranged around the inner pot 11. The connecting rod 4 is located above the inner liner 3 and one end is fixed to the inner liner 3. A first suspension shaft 51 is provided on the annular lock 5, and an arc-shaped second avoidance groove 32 is provided on the inner liner 3. The first suspension shaft 51 passes through the second avoidance groove 32 to be connected to the other end of the connecting rod 4.

[0037] In some embodiments, considering that the electric rice cooker may have an abnormal power outage or the motor 6 may be abnormal and unable to open and close the annular lock buckle 5, preferably, a third avoidance groove 35 is provided on the inner lining 3, and a manual lever 8 is also provided on the annular lock buckle 5. The manual lever 8 passes through the third avoidance groove 35 and is used to drive the annular lock buckle 5 to rotate under the action of an external force. With such a design, when an abnormal power outage occurs or the driving member is abnormal and unable to open and close the annular lock buckle 5, the user can manually rotate the manual lever to unlock or close the lock.

[0038] In some embodiments, in order for the connecting rod 4 to better rotate around the liner 3, a guide piece is provided on the liner 3, and an arc-shaped guide groove is provided on the connecting rod 4, and the guide piece is inserted into the arc-shaped guide groove. With such a design, when the motor 6 drives the connecting rod 4 to rotate relative to the liner 3, the arc-shaped guide groove and the guide column can guide the rotation of the connecting rod 4, so that the connecting rod 4 can rotate in a preset direction.

[0039] Furthermore, the guide member includes a first guide member 33 near one end of the connecting rod 4 and a second guide member 34 near the other end of the connecting rod 4, the arcuate guide groove includes a first arcuate guide groove 42 near one end of the connecting rod 4 and a second arcuate guide groove 43 near the other end of the connecting rod 4, the first guide member 33 is inserted into the first arcuate guide groove 42, and the second guide member 34 is inserted into the second arcuate guide groove 43.

[0040] In some embodiments, the electric rice cooker with automatic opening and closing lock function further includes a magnetic sensitive float assembly, the cover plate 2 is located between the inner pot 11 and the inner liner 3 and is fixed on the inner liner 3, the cover plate 2 is provided with a first exhaust hole, the inner liner 3 is provided with a movable hole, the magnetic sensitive float assembly is arranged at the first exhaust hole and can be movably penetrated in the movable hole, when the annular lock 5 and the inner pot 11 are in a locked state, the magnetic sensitive float assembly can be penetrated in the movable hole under the pressure in the inner pot 11 to limit the connecting rod 4, so that the annular lock 5 remains in the locked state. With such a design, by setting the magnetic sensitive float assembly, the pressure-starting and anti-opening function of the electric rice cooker can be realized.

[0041] Furthermore, in order to achieve the limiting of the connecting rod 4, the magnetically sensitive float assembly includes a magnetically sensitive float 9 and a first sealing ring 10. The first sealing ring 10 is arranged at the first exhaust hole. One end of the magnetically sensitive float 9 is passed through the first sealing ring 10, and the other end of the magnetically sensitive float 9 can be movably passed through the movable hole. The magnetically sensitive float 9 is used to move under the exhaust pressure of the first exhaust hole to limit the connecting rod 4.

[0042] The magnetically sensitive float 9 includes an inner float 91 and an outer float 92 . The inner float 91 is disposed through the first sealing ring 10 , and the outer float 92 is movably disposed through the movable hole.

[0043] Further, in order for the magnetic sensitive float assembly to limit the connecting rod 4, when the connecting rod 4 rotates to a position where the annular lock 5 is locked with the inner liner 11, a limiting hole 41 is formed on one side of the connecting rod 4, and the magnetic sensitive float assembly moves to pass through the limiting hole 41 to limit the connecting rod 4.

[0044] An electric rice cooker with an automatic opening and closing lock function provided by the present utility model includes an electric rice cooker provided with a pot body 1, an upper cover, a connecting rod 4, an annular lock 5, a motor 6 and a gear 7. The upper cover can be turned over and closed on the pot body 1. The pot body 1 includes an inner liner 11, the upper cover includes a lining 3, one end of the connecting rod 4 is connected to the lining 3 and can rotate around the inner liner 11, the annular lock 5 is connected to the other end of the connecting rod 4, the motor 6 is fixed on the connecting rod 4, the lining 3 is provided with meshing teeth 31, the gear 7 is arranged on the motor 6 and meshingly connected to the meshing teeth 31. Driven by the motor 6, the gear 7 rotates meshingly relative to the lining 3, and successively drives the motor 6 and the connecting rod 4 to rotate relative to the lining 3. The annular lock 5 rotates under the drive of the connecting rod 4 to a state where the annular lock 5 is locked or unlocked with the inner liner 11. When in use, when it is necessary to lock the upper cover on the pot body 1, the motor 6 drives the gear 7 to rotate meshingly relative to the lining 3, and successively drives the motor 6 and the connecting rod 4 to rotate relative to the lining 3, and the annular lock 5 rotates under the drive of the connecting rod 4 to a state where the annular lock 5 is locked with the inner liner 11; when it is necessary to unlock the upper cover from the pot body 1, the motor 6 drives the gear 7 to rotate reversely meshingly relative to the lining 3, and successively drives the motor 6 and the connecting rod 4 to rotate reversely relative to the lining 3, and the annular lock 5 rotates under the drive of the connecting rod 4 to a state where the annular lock 5 is unlocked with the inner liner 11. By adopting such a design method, by setting an automatic opening and closing lock structure, the operation of the user when using the electric rice cooker can be simplified, thereby improving the user experience.

[0045] The technical means disclosed in the solution of the present utility model are not limited to the technical means disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements and refinements can be made, and these improvements and refinements are also regarded as the protection scope of the present utility model.

Claims

1. An electric rice cooker with automatic opening and closing lock function, characterized in that: The invention comprises a pot body (1), an upper cover, a connecting rod (4), an annular lock (5), a motor (6) and a gear (7); the upper cover can be turned over and covered on the pot body (1); the pot body (1) comprises an inner pot (11); the upper cover comprises an inner lining (3); one end of the connecting rod (4) is connected to the inner lining (3) and can rotate around the inner pot (11); the annular lock (5) is connected to the other end of the connecting rod (4); the motor (6) is fixed on the connecting rod (4); the inner lining (3) is connected to the inner lining (3) and can rotate around the inner pot (11); the annular lock (5) is connected to the other end of the connecting rod (4); the motor (6) is fixed on the connecting rod (4); and the inner lining (3) is connected to the inner lining (3) and the inner lining (1 ... 3) is provided with meshing teeth (31), the gear (7) is arranged on the motor (6) and meshingly connected to the meshing teeth (31), under the drive of the motor (6), the gear (7) meshes and rotates relative to the lining (3), and in turn drives the motor (6) and the connecting rod (4) to rotate relative to the lining (3), and the annular lock buckle (5) is driven by the connecting rod (4) to rotate until the annular lock buckle (5) and the inner liner (11) are in a locked state or an unlocked state.

2. The electric rice cooker with automatic opening and closing lock function according to claim 1, characterized in that: The connecting rod (4) is a fan-shaped connecting rod, the center of the circle of the fan-shaped connecting rod is connected to the center of the lining (3), one side of the arc of the fan-shaped connecting rod is connected to the annular lock buckle (5), the motor (6) is fixed to the other side of the arc of the fan-shaped connecting rod, and the meshing teeth (31) are located on the outer periphery of the lining (3) and are arranged around the arc outer periphery of the fan-shaped connecting rod.

3. The electric rice cooker with automatic opening and closing lock function according to claim 2, characterized in that: A first avoidance groove is provided on the other side of the arc of the fan-shaped connecting rod, the motor (6) is located above the first avoidance groove and is fixed on the connecting rod (4) on both sides, the gear (7) is partially located in the first avoidance groove to be connected to the motor (6), and the axis of the gear (7) is located on the arc line of the fan-shaped connecting rod.

4. The electric rice cooker with automatic opening and closing lock function according to claim 1, characterized in that: The annular lock buckle (5) is located below the lining (3) and is arranged around the inner liner (11); the connecting rod (4) is located above the lining (3) and one end is fixed to the lining (3); a first suspension shaft (51) is provided on the annular lock buckle (5); an arc-shaped second avoidance groove (32) is provided on the lining (3); the first suspension shaft (51) passes through the second avoidance groove (32) to be connected to the other end of the connecting rod (4).

5. The electric rice cooker with automatic opening and closing lock function according to claim 4, characterized in that: The inner lining (3) is provided with a third avoidance groove (35), and the annular lock buckle (5) is also provided with a manual lever (8), and the manual lever (8) passes through the third avoidance groove (35) and is used to drive the annular lock buckle (5) to rotate under the action of an external force.

6. The electric rice cooker with automatic opening and closing lock function according to claim 1, characterized in that: The inner lining (3) is provided with a guide piece, the connecting rod (4) is provided with an arc-shaped guide groove, and the guide piece is inserted into the arc-shaped guide groove.

7. The electric rice cooker with automatic opening and closing lock function according to claim 6, characterized in that: The guide member comprises a first guide member (33) close to one end of the connecting rod (4) and a second guide member (34) close to the other end of the connecting rod (4); the arc-shaped guide groove comprises a first arc-shaped guide groove (42) close to one end of the connecting rod (4) and a second arc-shaped guide groove (43) close to the other end of the connecting rod (4); the first guide member (33) is inserted into the first arc-shaped guide groove (42) and the second guide member (34) is inserted into the second arc-shaped guide groove (43).

8. The electric rice cooker with automatic opening and closing lock function according to any one of claims 1 to 7, characterized in that: The electric rice cooker with an automatic opening and closing lock function further comprises a cover plate (2) and a magnetically sensitive float assembly. The cover plate (2) is located between the inner pot (11) and the inner liner (3) and is fixed on the inner liner (3). The cover plate (2) is provided with a first exhaust hole, and the inner liner (3) is provided with a movable hole. The magnetically sensitive float assembly is arranged at the first exhaust hole and can be movably inserted into the movable hole. When the annular lock buckle (5) and the inner pot (11) are in a locked state, the magnetically sensitive float assembly can be inserted into the movable hole under the action of the pressure in the inner pot (11) to limit the connecting rod (4) so ​​that the annular lock buckle (5) remains in the locked state.

9. The electric rice cooker with automatic opening and closing lock function according to claim 8, characterized in that: The magnetic sensitive float assembly comprises a magnetic sensitive float (9) and a first sealing ring (10), wherein the first sealing ring (10) is arranged at the first exhaust hole, one end of the magnetic sensitive float (9) is passed through the first sealing ring (10), and the other end of the magnetic sensitive float (9) is movably passed through the movable hole, and the magnetic sensitive float (9) moves under the exhaust pressure of the first exhaust hole to limit the connecting rod (4).

10. The electric rice cooker with automatic opening and closing lock function according to claim 8, characterized in that: When the connecting rod (4) is rotated until the annular lock buckle (5) is locked with the inner liner (11), a limiting hole (41) is formed on one side of the connecting rod (4), and the magnetically sensitive float assembly moves to penetrate the limiting hole (41) to limit the connecting rod (4).

11. The electric rice cooker with automatic opening and closing lock function according to any one of claims 1 to 7, characterized in that: The inner container (11) is provided with a first pot tooth (111), and the annular lock buckle (5) is provided with a second pot tooth (52); the annular lock buckle (5) and the inner container (11) are locked or unlocked through the cooperation of the second pot tooth (52) and the first pot tooth (111).

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