CN113142971B - Electric rice cooker - Google Patents

Abstract

The invention discloses an electric rice cooker, which belongs to the field of kitchen appliances and particularly comprises a cooker body and a cooker cover, wherein the cooker cover comprises an upper cover and an inner cover, the cooker cover is covered on the cooker body to form a cooking cavity, a steam valve is arranged on the inner cover and comprises a valve body and a rotary bubble breaking piece, the valve body is provided with a first air inlet, a second air inlet, an air outlet and a valve cavity, the valve cavity comprises a first cavity and a second cavity, the first cavity surrounds the outer side of the second cavity, the first air inlet is communicated with the first cavity, the first cavity is communicated with the second cavity through the second air inlet, the air outlet is communicated with the second cavity, the rotary bubble breaking piece is arranged in the second cavity and is pushed to rotate by steam entering from the second air inlet, and a backflow hole is formed in the valve body below the second air inlet. The steam valve of the electric cooker can at least complete twice bubble breaking and buffering, improves the condensation effect and the bubble breaking capacity of steam, obviously improves the anti-overflow performance of the steam valve, further can reduce the temperature of discharged steam, and reduces the risk of scalding.

Description

Electric rice cooker

[ technical field ] A method for producing a semiconductor device

The invention relates to the field of kitchen appliances, in particular to an electric cooker.

[ background of the invention ]

The electric rice cooker can realize multiple operation functions such as steaming, boiling, stewing and the like, and has become daily household appliances, a cooker cover of a common electric rice cooker can be provided with a steam valve, steam generated in the cooking process is discharged through the steam valve, when cooking and cooking porridge, a large amount of rice soup foam can be generated in the cooker body, if no anti-overflow design is made on the steam valve, the rice soup foam can be discharged to the outside of the cooker body through the steam valve, and the product cleaning and the overall safety performance are troublesome. The anti-overflow design of traditional steam valve sets up the fender muscle of dislocation usually in steam valve inside, and rice water foam is broken because of surface tension changes when keeping off the muscle, reaches the purpose that reduces the rice water foam and spill over, however the anti-overflow ability of this kind of structure is very limited, under the circumstances such as high-power heating, cook congee, still exists the problem that rice water spills over.

The invention provides a steam valve with a good anti-overflow effect in the prior art, wherein a rotatable wind wheel is arranged in the steam valve, and rice soup foam is broken through the rotation of the wind wheel.

[ summary of the invention ]

The invention aims to solve the technical problem of overcoming the defects of the prior art and provides the electric cooker, which improves the capability of breaking bubbles and preventing overflow.

In order to solve the technical problems, the invention adopts the following technical scheme:

the electric cooker comprises a cooker body and a cooker cover, wherein the cooker cover comprises an upper cover and an inner cover, the cooker cover is covered on the cooker body to form a cooking cavity, the inner cover is provided with a steam valve, the steam valve comprises a valve body and a rotary bubble breaking piece, the valve body is provided with a first air inlet, a second air inlet, an air outlet and a valve cavity, the valve cavity comprises a first cavity body and a second cavity body, the first cavity body surrounds the outer side of the second cavity body, the first air inlet is communicated with the first cavity, the first cavity is communicated with the second cavity through the second air inlet, the air outlet is communicated with the second cavity, the rotary bubble breaking piece is arranged in the second cavity and is pushed to rotate by the steam entering from the second air inlet, and a backflow hole is formed in the valve body below the second air inlet, and a sealing gasket which is opened in one direction is arranged on the inner cover.

In foretell electric rice cooker, form a plurality of sub-cavitys along its circumferential direction in the first cavity, communicate by the broken bubble mouth between the adjacent sub-cavitys, the flow area of broken bubble mouth is less than the flow area of sub-cavitys.

In the above electric cooker, the first cavity is internally provided with a plurality of blocking ribs along the circumferential direction thereof for separating a plurality of sub-cavities, and the bubble breaking port is formed on the blocking rib or between adjacent blocking ribs or between the blocking rib and the cavity wall of the first cavity.

In the above rice cooker, a support column is arranged in the second cavity, the support column has a vertical axis, and the rotary bubble breaking piece is mounted on the support column and rotates around the vertical axis.

In the above electric cooker, the second air inlet is disposed toward a side surface of the rotary bubble breaking member, so that steam entering the second air inlet pushes the rotary bubble breaking member to rotate laterally.

In the above electric cooker, the steam valve includes a valve seat and a valve cover disposed on the gas outlet, the valve seat has a bottom wall, a first side wall and a second side wall located inside the first side wall, the bottom wall, the first side wall and the second side wall enclose the first cavity, the bottom wall and the second side wall enclose the second cavity, the first gas inlet is disposed on the bottom wall enclosing the first cavity, and the second gas inlet is disposed on the second side wall.

In the above electric cooker, the second air inlet is disposed on a side of the second sidewall away from the first air inlet.

In the above rice cooker, the backflow hole is disposed on the bottom wall below the second air inlet, and the inner surface of the bottom wall transitions from high to low toward the position of the backflow hole.

In the electric cooker, the upper cover is provided with an exhaust port communicated with the outside, and an exhaust buffer cavity is arranged between the exhaust port and the steam valve.

In the above electric cooker, the upper cover includes an upper cover body and an exhaust cover, and the exhaust cover protrudes from the upper surface of the upper cover body to form the exhaust buffer cavity.

The invention has the beneficial effects that:

according to the electric cooker, the steam valve with the rotary bubble breaking piece is arranged on the inner cover, so that the steam valve can be hidden inside the cooker cover, the mounting structure of the steam valve is not required to be reserved outside the cooker cover, the integrity of the external structure of the cooker cover is ensured, and the external shape of the cooker cover is simpler and more attractive.

The steam valve prolongs the circulation path of steam/bubbles in the steam valve through the arrangement of the first cavity and the second cavity, and particularly, fluid (including steam and rice soup foam) overflowing outwards during cooking porridge of the electric rice cooker enters the first cavity from the first air inlet, primary bubble breaking and buffering are completed in the first cavity, the fluid enters the second cavity from the second air inlet, secondary bubble breaking and buffering are completed by the aid of the rotary bubble breaking piece in the second cavity, and finally steam is discharged from the air outlet.

According to the steam valve, the backflow hole is formed in the valve body below the second air inlet, the first cavity and the second cavity are communicated through the second air inlet, rice water and condensed water collected in the first cavity and the second cavity can be rapidly led out of the steam valve through the backflow hole, rice water residues in the first cavity and the second cavity are reduced, and therefore the good bubble breaking and anti-overflow capacity of the steam valve is maintained.

Further, a plurality of sub-cavities are formed in the first cavity along the circumferential direction of the first cavity, the adjacent sub-cavities are communicated through a bubble breaking port, and the flow area of the bubble breaking port is smaller than that of the sub-cavities. For steam flowing in the first cavity, the flow area of the bubble breaking port is small, so that the steam flowing is blocked, and the buffering effect on the steam is improved; for the rice water foam flowing in the first cavity, as the flow area of the broken bubble opening is small, the rice water foam passing through is extruded, relatively large bubbles cannot pass through the broken bubble opening and then are extruded and broken, and the broken bubble capacity is improved.

Further, the second air inlet is arranged on one side, far away from the first air inlet, of the second side wall. The first cavity is fully utilized to break bubbles and buffer, and the situation that fluid which is not broken and buffered fully enters the second air inlet due to the fact that the second air inlet and the first air inlet are too close to each other is avoided.

Further, the backflow hole is formed in the bottom wall below the second air inlet, and the position of the inner surface of the bottom wall, facing the backflow hole, is changed from high to low. The collection of rice water and condensed water in the valve cavity is facilitated, and the backflow efficiency of the rice water and the condensed water is improved.

Furthermore, the upper cover is provided with an exhaust port communicated with the outside, and an exhaust buffer cavity is arranged between the exhaust port and the steam valve. Exhaust cushion chamber has prolonged the steam circulation route of steam valve to gas vent, steam from steam valve exhaust gets into exhaust cushion chamber and gets behind the buffering again outside the gas vent discharge a kind of deep pot lid, can reduce the temperature and the velocity of flow of exhaust steam on the one hand, thereby reduce the risk that the user was scalded by steam, on the other hand, if there is rice soup foam to spill over from the steam valve, the exhaust chamber can break bubble and condensation to this part rice soup foam, avoid overflowing from the direct gas vent of following of rice soup foam that the steam valve spills over, further promote the whole anti-overflow ability of anti-overflow structure on the a kind of deep pot lid.

Further, the upper cover comprises an upper cover body and an exhaust cover, and the exhaust cover protrudes out of the upper surface of the upper cover body to form the exhaust buffer cavity. The exhaust cover is an independently formed part, so that the exhaust cover is convenient to shape, and can be made of a material with better temperature resistance, thereby avoiding high-temperature deformation and prolonging the service life; exhaust lid salient in the upper surface of upper cover body is in order to form exhaust cushion chamber, and exhaust lid highly not restricted by upper cover body inner space to guarantee that exhaust cushion chamber's length satisfies the anti-overflow needs, the outstanding exhaust lid can give the user more striking suggestion moreover, reduces the probability that the mistake touched exhaust lid and leads to the scald among the culinary art process.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The invention is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic view of a rice cooker according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of a steam valve according to an embodiment of the present invention;

FIG. 4 is a schematic view of a valve seat of a steam valve according to an embodiment of the present invention;

fig. 5 is a schematic view of a valve cover of a steam valve according to an embodiment of the invention.

Reference numerals:

100 pot body, 110 inner container and 120 cooking cavity;

200 pot covers, 210 upper cover bodies, 211 surface covers, 212 lining covers, 213 through holes, 214 cavities, 220 inner covers and 221 sealing gaskets;

300 steam valve, 310 valve cover, 311 gas outlet, 312 flow guide surface, 320 valve seat, 321 support column, 322 first gas inlet, 323 second gas inlet, 324 bottom wall, 325 first side wall, 326 second side wall, 327 backflow hole, 330 rotating bubble breaking piece, 331 rotating shaft, 332 blade, 340 first cavity, 341 sub-cavity, 342 blocking rib, 343 bubble breaking port and 350 second cavity;

400 a seal member;

500 exhaust cap, 510 exhaust cap top wall, 511 exhaust port, 520 exhaust cap side wall, 521 exhaust buffer cavity.

[ detailed description ] embodiments

The invention provides an electric cooker which comprises a cooker body and a cooker cover, wherein the cooker cover comprises an upper cover and an inner cover, the cooker cover covers the cooker body to form a cooking cavity, and the electric cooker is characterized in that a steam valve is mounted on the inner cover and comprises a valve body and a rotary bubble breaking piece, the valve body is provided with a first air inlet, a second air inlet, an air outlet and a valve cavity, the valve cavity comprises a first cavity and a second cavity, the first cavity surrounds the outer side of the second cavity, the first air inlet is communicated with the first cavity, the first cavity is communicated with the second cavity through the second air inlet, the air outlet is communicated with the second cavity, the rotary bubble breaking piece is arranged in the second cavity and is pushed to rotate by steam entering from the second air inlet, and a backflow hole is formed in the valve body below the second air inlet.

In the invention, the built-in steam valve is adopted, namely the steam valve with the rotary bubble breaking piece is arranged on the inner cover, so that the steam valve can be hidden in the cooker cover, the installation structure of the steam valve is not required to be reserved outside the cooker cover, the integrity of the external structure of the cooker cover is ensured, and the external shape of the cooker cover is simpler and more attractive; optimize steam valve inner structure, through setting up first cavity and second cavity in the steam valve, prolonged the circulation route of the steam bubble in the steam valve, successively realize twice broken bubble and buffering and promoted steam condensation effect and broken bubble ability to reduce steam discharge amount and steam flow rate, make the anti-overflow performance of steam valve show the promotion, further can reduce the temperature of discharge steam, reduce the risk of scalding.

The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and 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 thus, are not to be considered as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1 to 5, the electric rice cooker proposed in one embodiment of the present invention includes a cooker body 100 and a cooker cover 200, the cooker cover 200 includes an upper cover and an inner cover 220, the inner container 110 is accommodated in the cooker body 100, and when the cooker cover 200 covers the cooker body 100, the inner cover 220 cooperates with the inner container 110 to form a cooking cavity 120. Install steam valve 300 on the inner cup 220, steam valve 300 includes the valve body and rotatory broken bubble piece 330, the valve body has first air inlet 322, second air inlet 323, gas outlet 311 and valve pocket, the valve pocket includes first cavity 340 and second cavity 350, first cavity 340 centers on the second cavity 350 outside, first air inlet 322 communicates first cavity 340, first cavity 340 and second cavity 350 communicate through second air inlet 323, gas outlet 311 communicates second cavity 350, rotatory broken bubble piece 330 sets up in second cavity 350 and is promoted rotatoryly by the steam that second air inlet 323 got into, be equipped with backward flow hole 327 on the valve body of second air inlet 323 below.

Referring to fig. 3 to 5, the steam valve 300 of the present embodiment specifically includes a valve seat 320 and a valve cover 310 provided with an air outlet 311, the valve seat 320 has a bottom wall 324, a first side wall 325 and a second side wall 326 positioned inside the first side wall 325, the first side wall 325 and the second side wall 326 are provided in a closed-loop structure, such as a circular ring shape, an elliptical ring shape, and the like, the bottom wall 324, the first side wall 325 and the second side wall 326 enclose a first cavity 340, the bottom wall 324 and the second side wall 326 enclose a second cavity 350, the first air inlet 322 is provided on the bottom wall 324 enclosing the first cavity 340, and the second air inlet 323 is provided on the second side wall 326.

According to the steam valve 300, when the electric cooker cooks rice and cooks porridge, fluid (including steam and rice soup foam) overflowing outwards enters the first cavity 340 from the first air inlet 322, and first bubble breaking and buffering are completed in the first cavity 340, which is a preferable structure for breaking and buffering: a plurality of sub-cavities 341 are formed in the first cavity 340 along the circumferential direction, adjacent sub-cavities 341 are communicated with each other through a bubble breaking opening 343, and the flow area of the bubble breaking opening 343 is smaller than that of the sub-cavities 341. For the steam flowing in the first cavity 340, the flow area of the bubble breaking opening 343 is small, so that the steam flowing is obstructed, and the buffering effect on the steam is improved; for the rice water foam flowing in the first cavity 340, since the flow area of the bubble breaking opening 343 is small, the rice water foam passing through is extruded, and large bubbles cannot be extruded and broken through the bubble breaking opening 343, so that the bubble breaking capacity is improved. The following are exemplary: a plurality of blocking ribs 242 are arranged in the first cavity 340 along the circumferential direction thereof for separating a plurality of sub-cavities 341, and vertical strip-shaped bubble breaking openings 343 are formed in the blocking ribs 342 from top to bottom. In other embodiments, the gap between the two blocking ribs and the gap between the blocking rib and the cavity wall (the first side wall and the second side wall) of the first cavity may also form the bubble breaking port with the same function.

According to the steam valve 300, the fluid which completes the first bubble breaking and buffering in the first cavity 340 enters the second cavity 350 through the second air inlet 323, and the second bubble breaking and buffering is completed by means of the rotating bubble breaking member 330 in the second cavity 350, which is a preferred bubble breaking and buffering structure: a support column 321 is disposed within the second cavity 350, the support column 321 having a vertical axis a, and the rotating bubble-breaking member 330 is mounted on the support column 321 and rotates about the vertical axis a, for example: the rotating bubble-breaking member 330 includes a rotating shaft 331 and a plurality of blades 332 disposed on the rotating shaft 331, the rotating shaft 331 is a hollow structure with a closed upper end and an open lower end, so that the rotating shaft 331 can be freely sleeved on the supporting column 321, and the valve cover 310 is matched with the supporting column 321 to axially limit the rotating shaft 331, thereby preventing the rotating shaft 331 from coming off the supporting column 321. The second air inlet 323 is arranged on the second side wall 326 and is arranged towards the side of the rotating bubble breaking piece 330, the steam entering from the second air inlet 323 pushes the rotating bubble breaking piece 330 to rotate around the vertical axis a to break bubbles, rice water and condensed water formed by the broken bubbles are deposited in the second cavity 350, and the steam is discharged from the air outlet 311 on the valve cover 310.

Preferably, the method comprises the following steps: the second air inlet 323 is arranged on the side of the second side wall 326 far away from the first air inlet 322, and the first cavity 340 is fully utilized to break bubbles and buffer, so that the situation that fluid which is not broken and buffered fully enters the second air inlet 323 due to too close distance between the second air inlet 323 and the first air inlet 322 is avoided.

According to the steam valve 300, the valve cover 310 is provided with the concave guide surface 312, the air outlet 311 is arranged on the guide surface 312, referring to fig. 3, the valve cover 310 is provided with the sealing member 400, the sealing member 400 is used for sealing and matching between the steam valve 300 and the upper cover, the concave guide surface 312 is arranged on the area, sealed by the sealing member 400, of the valve cover 310, the air outlet 311 is arranged on the guide surface 312 in a porous structure, the concave guide surface 312 can receive rice water and condensed water sprayed out of the air outlet 311, the rice water and the condensed water can be guided back to the air outlet 311 again, and the rice water and the condensed water flow back to the valve cavity from the air outlet 311, so that the rice water and the condensed water are prevented from being accumulated on the valve cover 310.

According to the above-mentioned steam valve 300, the return hole 327 is formed on the bottom wall 324 below the second gas inlet 323, and the inner surface of the bottom wall 324 transitions from high to low at the position of the return hole 327. Because the first cavity 340 and the second cavity 350 are communicated through the second air inlet 323, the backflow hole 327 is formed in the bottom wall 324 below the second air inlet 323, rice water and condensed water collected in the first cavity 340 and the second cavity 350 can be led out of the steam valve 300 through the backflow hole 327, rice water residue in the first cavity 340 and the second cavity 350 is reduced, and accordingly the steam valve 300 is kept to have good bubble breaking and anti-overflow capacity. On the basis, the inner surfaces of the bottom walls 324 below the first cavity 340 and the second cavity 350 are transited from high to low towards the position of the backflow hole 327, so that the collection of rice water and condensed water in the first cavity 340 and the second cavity 350 is facilitated, and the backflow efficiency of the rice water and the condensed water is improved.

Referring to fig. 2 and 3, as described above, the rice water, the condensed water and other liquids led out from the backflow hole 327 of the steam valve 300 flow back into the inner container 110 through the through hole of the inner cover 220, the inner cover 220 is provided with the sealing gasket 221 for opening the backflow hole 327 in a one-way manner, the sealing gasket 221 plays a role in sealing in a one-way manner, and can prevent the steam and the bubbles in the inner container 110 from directly entering the valve cavity through the backflow hole 327, so that the steam and the bubbles can only enter the first cavity 340 from the air inlet of the steam valve 300, thereby prolonging the flow path of the steam and the bubbles in the valve cavity and facilitating the breaking and preventing overflow of the bubbles.

Referring to fig. 1 and 2, in one embodiment of the present invention, the rice cooker based on the above embodiment: the upper cover is provided with an exhaust port 511 communicated with the outside, and an exhaust buffer chamber 521 is arranged between the exhaust port 511 and the steam valve 300. Specifically, the method comprises the following steps: the upper cover includes upper cover body 210 and exhaust lid 500, sets up gas vent 511 and exhaust cushion 521 on the exhaust lid 500, and exhaust lid 500 is independent fashioned part, and convenient molding can select the better material preparation of temperature resistance moreover, avoids high temperature deformation, increase of service life, exemplary: the exhaust cover 500 includes an exhaust cover top wall 510 and a cylindrical exhaust cover side wall 520 extending downward from the exhaust cover top wall 510, an exhaust opening 511 is provided on the exhaust cover top wall 510, and an exhaust buffer chamber 521 is enclosed by the exhaust cover top wall 510 and the exhaust cover side wall 520.

The exhaust buffer cavity 521 prolongs the steam flow path from the steam valve 300 to the exhaust port 511, and the steam discharged from the steam valve 300 enters the exhaust buffer cavity 521 to be buffered and then is discharged out of the cooker cover 200 from the exhaust port 511, so that on one hand, the temperature and the flow rate of the discharged steam can be reduced, and the risk of scalding of a user by the steam is reduced, on the other hand, if rice soup foam overflows from the steam valve 300, the exhaust cavity can break bubbles and condense the part of rice soup foam, the rice soup foam overflowing from the steam valve 300 is prevented from directly overflowing from the exhaust port 511, and the integral anti-overflow capacity of an anti-overflow structure on the cooker cover 200 is further improved.

Preferably, the method comprises the following steps: the opening area of the exhaust port 511 is smaller than the cross-sectional area of the exhaust buffer chamber 521, for example, the exhaust port 511 is distributed on the exhaust cover top wall 510 in a porous structure, which has certain bubble breaking and steam buffering effects.

In this embodiment, the inner side of the upper cover body 210 is recessed towards the direction away from the inner cover 220 to form the cavity 214 for accommodating the steam valve 300, a part of the space of the upper cover body 210 is used for yielding the steam valve 300, the built-in steam valve 300 is prevented from increasing the thickness of the cooker cover 200, the upper cover body 210 is provided with a through hole corresponding to the top of the cavity 214, and the exhaust cover 500 is installed on the upper cover body 210 above the through hole, specifically: the upper cover body 210 comprises a lining cover 212 and a surface cover 211, the part of the lining cover 212 corresponding to the steam valve 300 is recessed towards the direction far away from the inner cover 220 to form a containing cavity 214 for containing the steam valve 300, and a through hole 213 is arranged at the top of the corresponding steam valve 300; the exhaust cover 500 is mounted on the face cover 211 and communicates the exhaust buffer chamber 521 with the through hole 213; the sealing member 400 provides a seal between the liner cover 212 around the through hole 213 and the steam valve 300, preventing the steam and liquid discharged from the steam valve 300 from leaking to the inside of the pot cover 200.

In the above solution, in order to provide the receiving cavity 214 inside the upper cover body 210, the space between the liner cover 212 and the face cover 211 above the receiving cavity 214 needs to be compressed, and if the exhaust cover 500 is to be completely installed inside the upper cover body 210, only the height of the exhaust cover 500 can be reduced, and accordingly the length of the exhaust buffer chamber 521 is also reduced, and the anti-overflow capability of the exhaust buffer chamber 521 is weakened, so in this embodiment, the exhaust cover 500 protrudes from the upper surface of the upper cover body 210 to form the exhaust buffer chamber 521, for example: the lower end of the exhaust cover 500 is fixedly connected to the lining cover 212, the rest part of the exhaust cover 500 penetrates through the surface cover 211 and protrudes out of the upper surface of the surface cover 211, the height of the exhaust cover 500 is not limited by the inner space of the upper cover body 210, so that the length of the exhaust buffer chamber 521 meets the anti-overflow requirement, the protruding exhaust cover 500 can give a user a more striking prompt, and the probability of scalding caused by mistakenly touching the exhaust cover 500 in the cooking process is reduced.

In one embodiment of the invention, the electric cooker based on the above embodiment: the inner lid is detachably mounted inside the upper lid, exemplarily: the upper cover inboard has the cavity that holds the inner cup, and the relative both sides of cavity set up slot and inner cup buckle respectively, and the inner cup buckle is set up to elastic expansion structure, and inner cup one side is freely pegged graft in the slot, and the opposite side is spacing by the inner cup buckle, when dismantling the inner cup, dials the inner cup buckle to keeping away from inner cup center direction and can relieve spacingly, pulls down the inner cup. Because the steam valve is installed including covering for steam valve and inner cup carry out the dismouting as an subassembly, have reduced the neglected loading probability of steam valve, also can not forget when wasing the inner cup and wash the steam valve, promote to use and experience.

While the invention has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the invention is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the invention as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims (9)

1. The electric cooker comprises a cooker body and a cooker cover, wherein the cooker cover comprises an upper cover and an inner cover, the cooker cover is covered on the cooker body to form a cooking cavity, and the electric cooker is characterized in that a steam valve is installed on the inner cover and comprises a valve body and a rotary bubble breaking piece, the valve body is provided with a first air inlet, a second air inlet, an air outlet and a valve cavity, the valve cavity comprises a first cavity and a second cavity, the first cavity surrounds the outer side of the second cavity, the first air inlet is communicated with the first cavity, the first cavity and the second cavity are communicated through the second air inlet, the air outlet is communicated with the second cavity, the rotary bubble breaking piece is arranged in the second cavity and is pushed to rotate by steam entering from the second air inlet, a backflow hole is formed in the valve body below the second air inlet, a sealing gasket for opening the backflow hole in a single direction is arranged on the inner cover, the second cavity comprises a second side wall, and the second air inlet is formed in one side, far away from the first air inlet, of the second side wall.

2. The rice cooker of claim 1, wherein a plurality of sub-cavities are formed in the first cavity along a circumferential direction of the first cavity, adjacent sub-cavities are communicated through a bubble breaking opening, and a flow area of the bubble breaking opening is smaller than a flow area of the sub-cavities.

3. The electric cooker according to claim 2, characterized in that a plurality of blocking ribs are arranged in the first cavity along the circumferential direction thereof for separating a plurality of sub-cavities, and the bubble breaking opening is formed on the blocking rib or between adjacent blocking ribs or between the blocking rib and the cavity wall of the first cavity.

4. The rice cooker of claim 1, wherein a support post is disposed within said second chamber, said support post having a vertical axis, said rotating bubble-breaking member being mounted to said support post and rotating about said vertical axis.

5. The rice cooker of claim 4, wherein the second air inlet is disposed toward a side of the rotary bubble breaking member, so that steam entering from the second air inlet pushes the rotary bubble breaking member to rotate laterally.

6. The rice cooker of one of claims 1 to 5, wherein the steam valve comprises a valve seat and a valve cover provided with the air outlet, the valve seat has a bottom wall, a first side wall and a second side wall located inside the first side wall, the bottom wall, the first side wall and the second side wall enclose the first cavity, the bottom wall and the second side wall enclose the second cavity, the first air inlet is provided on the bottom wall enclosing the first cavity, and the second air inlet is provided on the second side wall.

7. The rice cooker of claim 6, wherein the return hole is formed in the bottom wall below the second inlet, and the inner surface of the bottom wall transitions from high to low toward the position of the return hole.

8. The rice cooker as claimed in any one of claims 1 to 5, wherein the upper cover is provided with an exhaust port communicated with the outside, and an exhaust buffer chamber is arranged between the exhaust port and the steam valve.

9. The rice cooker of claim 8, wherein the upper cover includes an upper cover body and an exhaust cover protruding from an upper surface of the upper cover body to form the exhaust buffer chamber.

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