CN210727513U

CN210727513U - Electric stewing pot

Info

Publication number: CN210727513U
Application number: CN201921058094.2U
Authority: CN
Inventors: 李一峰; 何致勇
Original assignee: Foshan Xiaoxiong Environmental Electrical Co Ltd; Bear Electrical Appliance Co Ltd
Current assignee: Foshan Xiaoxiong Environmental Electrical Co Ltd; Bear Electrical Appliance Co Ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-06-12
Anticipated expiration: 2029-07-08

Abstract

The utility model provides an electric stewing pot, which comprises a pot cover, an outer pot and an inner container; the outer pot is provided with a heating inner cavity with an opening at the upper side, and the bottom of the heating inner cavity is provided with a heating assembly; the inner container is arranged in the heating inner cavity; the pot cover is covered on the upper side opening of the outer pot, the pot cover is provided with an inward valve structure, and the inward valve structure comprises an exhaust hole, a gas exchange channel, a gas inlet and a pressurizing ball; the exhaust hole is formed in the cooker cover and is used for being communicated with the outside, the gas exchange channel is arranged on the cooker cover and extends along the lower side of the cooker cover, the gas exchange channel is communicated with the exhaust hole, the gas inlet is formed in the lower end of the gas exchange channel and is communicated with the heating inner cavity, and the pressurizing ball is movably arranged in the gas exchange channel and is used for closing or opening the gas inlet according to the pressure in the heating inner cavity; the utility model discloses an electric stewpot, the heat-proof quality and the sealing performance preferred of its pot cover to the edible material that makes in the inner bag can be heated evenly, keeps the original taste.

Description

Electric stewing pot

Technical Field

The utility model relates to an electric stewing handleless cup device field especially indicates an electric stewing handleless cup.

Background

Along with the continuous development of society, people increasingly like to draw time to carefully cook food in daily life, and electric heating cooking equipment is often used in the process of cooking food, and the common electric heating cooking equipment comprises an electric cooker, a pressure cooker and an electric stewing pot, wherein the electric cooker has the working principle that an inner container is heated by a heating assembly on an outer pot, so that food materials in the inner container are cooked after the inner container is heated; the pressure cooker and the electric cooker with the pressure valve work on the principle that a heating component on an outer cooker is used for heating the inner container, and an opening on the inner container is sealed by the upper cover, so that the internal pressure of the inner container is increased, and the cooking speed of food in the inner container is accelerated; but rice cooker and pressure cooker all utilize heating element directly to heat the inner bag and cook and eat the material, and each position thermally equivalent of inner bag can not be guaranteed to this kind of heating methods, leads to the taste and the nutrition loss of eating the material easily, and in order to taste the original juice of eating the material, people can select to use the electric stew handleless cup to cook the material.

Common electric stewing pot includes the pot cover, outer pot, support and inner bag, outer pot middle part is equipped with the cooking chamber, cooking chamber bottom is equipped with the dish that generates heat, when the user uses the electric stewing pot, need add the cooking intracavity with the water, then place the support in cooking chamber bottom, place the inner bag that the splendid attire was eaten the material on the support again, thereby make inner bag and cooking chamber bottom keep the certain distance, then cook the chamber with the pot cover closing cap, the water that the utilization was heated by the dish that generates heat heats the edible material in to the inner bag. However, the electric stewing cup has the following problems: (1) because the pot cover is of a single-layer structure, the heat insulation performance is poor, the heat in the cooking cavity is easy to be lost outwards, and the heating efficiency of the electric stewing pot is reduced; (2) the sealing performance of the pot cover to the cooking cavity is poor, a large amount of steam in the cooking cavity is lost in the cooking process of the electric stewing pot, and in order to ensure the cooking effect, the volume of the cooking cavity needs to be increased to store water, so that the volume of an outer pot is large, the integral appearance proportion of the product is not coordinated, and the attractiveness is poor; (3) the water boiling produces the bubble and can produce the noise because of forming the sympathetic response when assaulting the inner bag, and individual layer structure's pot cover sound-insulating properties is relatively poor, leads to the noise to propagate outside the handleless cup is stewed to the electricity, reduces the user and uses the experience that the handleless cup was stewed to the electricity.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's not enough, provide an electric stew handleless cup, the heat-proof quality and the sealing performance preferred of its pot cover to make edible material in the inner bag can be heated evenly, keeps original juice original flavor.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an electric stewing pot comprises a pot cover, an outer pot and an inner container; the outer pot is provided with a heating inner cavity with an opening at the upper side, and the bottom of the heating inner cavity is provided with a heating assembly; the inner container is arranged in the heating inner cavity; the cooker cover is covered on the upper opening of the outer cooker, an inward valve structure is arranged on the cooker cover, and the inward valve structure comprises an exhaust hole, a gas exchange channel, a gas inlet and a pressurizing ball; the exhaust hole sets up be used for with external intercommunication on the pot cover, the gas exchange passageway sets up on the pot cover and extend along the pot cover downside, the gas exchange passageway with exhaust hole intercommunication, the air inlet sets up the lower extreme of gas exchange passageway and intercommunication the heating inner chamber, the setting of pressurization ball activity is in the gas exchange passageway, be used for according to the pressure of heating inner chamber is airtight or open the air inlet.

Compared with the prior art, the utility model discloses an electric stewpot has following advantage:

(1) the upper side opening of the outer pot is sealed by the pot cover, so that the sealing performance of the pot cover to the heating inner cavity is improved, the steam in the heating inner cavity is prevented from being largely lost in the cooking process of the electric stewing pot, the volume of the outer pot can be reduced as much as possible by production personnel, the space occupied by the whole electric stewing pot is reduced, the whole appearance proportion of the electric stewing pot is convenient to adjust, and the electric stewing pot can be designed to be smaller and more portable;

(2) by arranging the inward valve structure, the pressurizing ball is utilized to seal or open the air inlet along with the pressure change in the heating inner cavity, when the pressurizing ball seals the air inlet, a micro-pressure environment can be formed in the heating inner cavity, so that the cooking efficiency is improved, and the cooking time is shortened; when the pressurizing ball opens the air inlet, the heating inner cavity is communicated with the outside, so that excessive steam in the heating inner cavity is discharged to the outside, accidents caused by the increase of the internal pressure due to the increase of the steam in the heating inner cavity are avoided, the reliability and the safety of the electric stewing cup are improved, the gas exchange channel can play a role in guiding the steam in the heating inner cavity, and the steam is ensured to flow to the outside after flowing to the exhaust hole from the air inlet in a directional manner;

(3) the arrangement mode is simple in structure and convenient to produce, manufacture and later maintenance, and producers can easily adjust the maximum internal pressure of the heating inner cavity by selecting the pressurizing balls with different specifications, so that the design and adjustment difficulty of products is effectively reduced.

Preferably, the inward valve structure further comprises a sealing member, the sealing member is arranged at one end of the gas exchange channel close to the gas inlet, and the sealing member is annular; the diameter of the pressurizing ball is larger than the inner diameter of the sealing element, so that the pressurizing ball falls on the sealing element in a natural state to block the air inlet. Through the arrangement of the sealing element, one end, close to the air inlet, in the air exchange channel is ensured to be in sealing fit with the air inlet, so that the air tightness of the air exchange channel is improved.

Preferably, the pot cover comprises an outer cover, an inner cover and a sealing ring; the outer cover is buckled on the upper side of the inner cover, and the sealing ring is arranged between the outer cover and the inner cover; a gap is arranged between the outer cover and the inner cover, and the gas exchange channel is arranged in the gap.

The pot cover has the following beneficial effects:

(1) the cooker cover is of a double-layer structure by arranging the outer cover and the inner cover and arranging the two parts in an overlapping mode, the structure is simple, the heat transfer speed of the inner side and the outer side of the cooker cover can be effectively reduced, in addition, a heat insulation area can be formed by reserving a gap between the inner cover and the outer cover, the inner cover is prevented from being in direct contact with the outer cover, the heat dissipation speed of the heating inner cavity is slowed down, the heat insulation performance of the cooker cover is enhanced, and the heating efficiency of the electric stewing pot is improved;

(2) because the pot cover closing cap the upside opening of outer pot makes the heating inner chamber is in airtight state, just the pot cover is bilayer structure, thereby improves the sound insulation performance of pot cover can make the water boiling produce the bubble and can be in because of forming the sympathetic response and produce the noise by the separation when assaulting the inner bag in the heating inner chamber, avoid the noise to spread outside the electric handleless cup, and then improve the user and use the experience of electric handleless cup.

Preferably, the inner cover is provided with a mounting through hole, the sealing element penetrates through the mounting through hole, and the air inlet is arranged on the sealing element; by the arrangement mode, the phenomenon that the air inlet is directly arranged on the inner cover and cannot be sealed by the pressurizing ball due to machining errors, so that production personnel can adapt to the pressurizing ball by adjusting the sealing element, and the production difficulty of the pot cover is reduced.

Preferably, the seal comprises a mounting portion and a sealing portion; the mounting part is annular, and the upper part of the mounting part is in sealing fit with the lower part of the gas exchange channel; the air inlet is arranged on the sealing part, the sealing part is sunken downwards to form a funnel structure, and the outer side of the sealing part is in sealing fit with the inner wall of the mounting through hole; the sealing member adopts above-mentioned mode of setting up, can ensure the sealing member upper end with the sealed cooperation of gas exchange passageway improves the gas tightness of gas exchange passageway can ensure simultaneously the sealing member lower extreme with the sealed cooperation of installation through-hole avoids the steam of heating inner chamber output flows in the enclosing cover with clearance between the inner cup leads to ponding in this clearance, breeds the bacterium.

Preferably, a downward stepped part is arranged on the upper side of the inner cover, and the mounting through hole is arranged at the lower part of the stepped part; the sealing element is clamped between the gas exchange channel and the step part; this arrangement facilitates the rapid assembly of the outer cap, the inner cap and the sealing member by a manufacturer with reference to the stepped portion.

Preferably, the inner side of the outer cover is provided with a limiting block extending towards the pressurizing ball, the number of the exhaust holes is multiple, and the exhaust holes are formed around the limiting block. Through the stopper, can restrict the pressure ball is in the motion range in the gas exchange channel improves the reliability of inside valve structure, in addition, sets up a plurality of the exhaust hole can improve the speed of exhaust steam.

Preferably, the lower end of the inner cover extends outwards horizontally to form an outer edge part, and the sealing ring is sleeved on the outer side of the outer edge part; the arrangement mode is convenient for the sealing ring to seal a gap between the inner cover and the inner wall of the lower side of the outer cover, and the arrangement of the outer edge part can shorten the distance between the gap between the inner cover and the inner wall of the lower side of the outer cover, so that the sealing ring with a thinner thickness can be selected, and the production cost of materials is reduced; the inner wall of the sealing ring extends upwards to form a first extending part, and the inner wall of the sealing ring extends downwards to form a second extending part; the first outer extension part is in sealing fit with the outer side wall of the inner cover; when the pot cover is covered on the upper side opening of the outer pot, the second extending part is in sealing fit with the upper side opening of the outer pot. The arrangement of the first extending part can improve the connection strength of the sealing ring and the inner cover, ensure that the sealing ring is tightly matched with the inner cover and improve the sealing property of the pot cover; the setting of second epitaxy portion enables when the sealing washer closing cap the upside opening of outer pot, second epitaxy portion receive extrusion deformation with the upside opening of outer pot is closely laminated, and makes the heating inner chamber is in airtight state.

Preferably, the lower part of the outer cover extends downwards to the lower part of the inner cover to form a connecting part, and the connecting part is detachably connected with the outer pot through a buckle structure; the arrangement mode is convenient for a user to cover the pot cover on the outer pot, and meanwhile, the arrangement mode can avoid that the pot cover is separated from the outer pot under the action of steam along with the increase of the steam in the heating inner cavity, so that the normal use of the electric stewing pot is influenced.

Preferably, a plurality of support pieces protruding outwards are arranged in the heating inner cavity, the outer ends of the support pieces are matched with the bottom end of the inner container, after the inner container is placed on the support pieces, a gap is formed between the inner container and the outer pot, so that a certain distance is kept between the inner container and the bottom of the heating inner cavity, and the outer pot can heat the inner container conveniently through the heating water.

Drawings

FIG. 1 is an exploded view of an electric stewpot;

FIG. 2 is a cross-sectional view of an electric stewing cup;

figure 3 is a cross-sectional view of the lid;

figure 4 is an exploded view of the lid;

fig. 5 is a schematic view of a seal.

Description of reference numerals:

the outer pot of 1, 10 heating inner chambers, 11 support piece, 12 heating element, 2 inner bags, 3 buckle structures, 31 block is protruding, 32 draw-in grooves, 4 pot lids, 5 enclosing covers, 51 installation cavity, 52 heat insulation region, 53 exhaust holes, 530 stopper, 54 spacing convex wall, 55 gas exchange channel, 56 connecting portion, 6 inner covers, 61 installation through hole, 62 air inlet, 63 step portion, 64 outside along portion, 65 keep away the cavity, 7 sealing washer, 71 first outside extension portion, 72 second outside extension portion, 8 interior valve structure, 81 pressurization ball, 82 sealing members, 83 installation portions, 84 sealing portion.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings:

referring to fig. 1 to 5, the electric stewing pot of the embodiment comprises a pot cover 4, an outer pot 1 and an inner container 2; the outer pot 1 is provided with a heating inner cavity 10 with an opening at the upper side, and the bottom of the heating inner cavity 10 is provided with a heating assembly 12; the inner container 2 is arranged in the heating inner cavity 10; the cooker cover 4 covers the upper opening of the outer cooker 1, an inward valve structure 8 is arranged on the cooker cover 4, and the inward valve structure 8 comprises an exhaust hole 53, a gas exchange channel 55, a gas inlet 62 and a pressurizing ball 81; the exhaust hole 53 is arranged on the pot cover 4 and used for communicating with the outside, the gas exchange channel 55 is arranged on the pot cover 4 and extends along the lower side of the pot cover 4, the gas exchange channel 55 is communicated with the exhaust hole 53, the gas inlet 62 is arranged at the lower end of the gas exchange channel 55 and communicated with the heating inner cavity 10, and the pressurizing ball 81 is movably arranged in the gas exchange channel 55 and used for closing or opening the gas inlet 62 according to the pressure in the heating inner cavity 10.

A plurality of support pieces 11 protruding outwards are arranged in the heating inner cavity 10, the outer ends of the support pieces 11 are matched with the bottom end of the inner container 2, the inner container 2 is placed behind the support pieces 11, a gap is formed between the inner container 2 and the outer pot 1, so that the inner container 2 and the bottom of the heating inner cavity 10 keep a certain distance, and the outer pot 1 is convenient to heat the inner container 2 through a heating water body.

A plurality of limiting blocks 530 extending towards the pressurizing ball 81 are arranged on the inner side of the outer cover 5, and the plurality of exhaust holes 53 are formed around the limiting blocks 530. Through the stopper 530, the range of movement of the pressurizing ball 81 in the gas exchange passage 55 can be restricted, and the reliability of the inward valve structure 8 can be improved, and in addition, the speed of discharging steam can be improved by providing a plurality of the exhaust holes 53.

The operation of the inward valve structure 8 is as follows: the pressurizing ball 81 seals the air inlet 62 under the action of self weight, so that the heating inner cavity 10 is a sealed space and can form a micro-pressure environment with pressure inside, thereby improving the heating speed and the heating efficiency of the electric stewing pot; after the electric stewing cup is heated for a period of time, steam in the heating inner cavity 10 is increased, the internal pressure of the heating inner cavity 10 is increased, the steam pushes the pressure increasing ball 81 to the exhaust hole 53, and the steam flows to the outside from the gap between the pressure increasing ball 81 and the exhaust hole 53, so that safety accidents caused by the excessive internal pressure of the heating inner cavity 10 are avoided; after the internal pressure of the heating inner cavity 10 is reduced to a safe level, the pressurizing ball 81 is reduced under the action of self weight to seal the air inlet 62, so that the heating efficiency of the electric stewing cup is ensured.

The inward valve structure 8 further comprises a sealing member 82, the sealing member 82 is arranged at one end of the gas exchange channel 55 close to the gas inlet 62, and the sealing member 82 is annular; the diameter of the pressurizing ball 81 is larger than the inner diameter of the sealing member 82, so that in a natural state, the pressurizing ball 81 drops on the sealing member 82 to block the air inlet 62. By providing the sealing member 82, it is ensured that the end of the gas exchange channel 55 close to the gas inlet 62 is in sealing engagement with the gas inlet 62, thereby improving the gas tightness of the gas exchange channel 55.

The pot cover 4 comprises an outer cover 5, an inner cover 6 and a sealing ring 7; the outer cover 5 is buckled on the upper side of the inner cover 6, and the sealing ring 7 is arranged between the outer cover 5 and the inner cover 6; a gap is provided between the outer cover 5 and the inner cover 6, and the gas exchange passage 55 is provided in the gap.

Specifically, the gas exchange passage 55 is provided at the lower side of the outer lid 5 and extends toward the inner lid 6.

Specifically, a mounting cavity 51 is arranged on the lower side of the outer cover 55, the outer cover 55 is arranged in the mounting cavity 51, and the gap left between the inner cover 6 and the mounting cavity 51 forms a heat insulation area 52; the lower side of the outer cover 5 is provided with a limiting convex wall 54, the limiting convex wall 54 extends towards the air inlet 62 to form the air exchange channel 55, and the exhaust hole 53 is positioned on the inner side of the limiting convex wall 54.

Specifically, the inner cup 6 downside corresponds the inner bag 2 is equipped with keeps away cavity 65, and this kind of mode of setting can effectively reduce the shared space of pot cover 4 avoids pot cover 4's high too high.

The arrangement mode of the pot cover 4 has the following beneficial effects:

(1) the outer cover 5 and the inner cover 6 are arranged, and the two components are arranged in an overlapping mode, so that the pot cover 4 is of a double-layer structure, the structure is simple, the heat transfer speed of the inner side and the outer side of the pot cover 4 can be effectively reduced, in addition, a heat insulation area 52 can be formed by reserving the gap between the inner cover 6 and the outer cover 5, the inner cover 6 is prevented from being in direct contact with the outer cover 5, the heat dissipation speed of the heating inner cavity 10 is reduced, the heat insulation performance of the pot cover 4 is enhanced, and the heating efficiency of the electric stewing pot is improved;

(2) because the pot cover 4 closing cap the upside opening of outer pot 1 makes heating inner chamber 10 is in airtight state, just pot cover 4 is bilayer structure, thereby improves the sound insulation performance of pot cover 4 can make the water boiling produce the bubble and can be in because of forming the sympathetic response and produce the noise by the separation when assaulting inner bag 2 in heating inner chamber 10, avoid the noise to spread outside the electric stew handleless cup, and then improve the user and use the experience of electric stew handleless cup.

The diameter of the pressure increasing ball 81 is larger than the caliber of the exhaust hole 53 and the air inlet 62, and the diameter of the gas exchange channel 55 is larger than that of the pressure increasing ball 81; this arrangement can limit the pressure ball 81, ensure the pressure ball 81 to move directionally along the direction of the gas exchange channel 55, and avoid the pressure ball 81 from moving unidirectionally, which may cause the inward valve structure 8 to be out of normal use.

The inner cover 6 is provided with a mounting through hole 61, the sealing element 82 penetrates through the mounting through hole 61, and the air inlet 62 is arranged on the sealing element 82; due to the arrangement mode, the problem that the pressurizing ball 81 cannot seal the air inlet 62 due to machining errors caused when the air inlet 62 is directly arranged on the inner cover 6 can be avoided, so that a manufacturer can adapt to the pressurizing ball 81 by adjusting the sealing element 82, and the production difficulty of the pot cover 4 is reduced.

The seal 82 includes a mounting portion 83 and a sealing portion 84; the mounting part 83 is annular, and the upper part of the mounting part 83 is in sealing fit with the lower part of the gas exchange channel 55; the air inlet 62 is arranged on the sealing part 84, the sealing part 84 is downwards sunken to form a funnel structure, and the outer side of the sealing part 84 is in sealing fit with the inner wall of the mounting through hole 61; sealing member 82 adopts above-mentioned mode of setting up, can ensure sealing member 82 upper end with the sealed cooperation of gas exchange passageway 55 improves the gas tightness of gas exchange passageway 55 can ensure simultaneously sealing member 82 lower extreme with the sealed cooperation of installation through-hole 61 is avoided the steam of heating inner chamber 10 output flows in enclosing cover 5 with clearance between the inner cup 6 leads to ponding in this clearance, breeds the bacterium.

A downward stepped part 63 is arranged on the upper side of the inner cover 6, and the mounting through hole 61 is arranged at the lower part of the stepped part 63; the seal 82 is interposed between the gas exchange passage 55 and the upper portion of the stepped portion 63; this arrangement facilitates quick assembly of the outer cap 55, the inner cap 6 and the sealing member 82 by a manufacturer with reference to the stepped portion 63.

In particular, the sealing member 82 is made of a soft material, so as to ensure that the peripheral wall of the air inlet 62 is in sealing engagement with the sealing member 82, while ensuring that the sealing member 82 is in sealing connection with the inner lid 6.

The lower end of the inner cover 6 extends outwards horizontally to form an outer edge part 64, and the sealing ring 7 is sleeved on the outer side of the outer edge part 64; the arrangement mode is convenient for the sealing ring 7 to seal the gap between the inner cover 6 and the inner wall of the lower side of the outer cover 55, and on the other hand, the arrangement of the outer edge part 64 can shorten the distance of the gap between the inner cover 6 and the inner wall of the lower side of the outer cover 55, so that the sealing ring 7 with a thinner thickness can be selected, and the production cost of materials is reduced.

The inner wall of the sealing ring 7 extends upwards to form a first extending part 71, and the inner wall of the sealing ring 7 extends downwards to form a second extending part 72; the first extension part 71 is in sealing fit with the outer side wall of the inner cover 6; when the cover 4 is covered on the upper opening of the outer pot 1, the second outer extension part 72 is in sealing fit with the upper opening of the outer pot 1.

Specifically, the second extending portion 72 is turned outwards to form a C shape, so that the lower side of the second extending portion 72 can be tightly attached to the upper end of the upper opening of the outer pot 1.

The arrangement of the first extension part 71 can improve the connection strength between the sealing ring 7 and the inner cover 6, ensure the tight fit between the sealing ring 7 and the inner cover 6 and improve the sealing performance of the pot cover 4; the second extension part 72 is arranged to enable the sealing ring 7 to cover the upper opening of the outer pot 1, and the second extension part 72 is extruded and deformed to be tightly attached to the upper opening of the outer pot 1, so that the heating inner cavity 10 is in a closed state.

The lower part of the outer cover 55 extends downwards to the lower part of the inner cover 6 to form a connecting part 56, and the connecting part 56 is detachably connected with the outer pot 1 through a buckle structure 3; the arrangement mode is convenient for a user to cover the pot cover 4 on the outer pot 1, and meanwhile, the arrangement mode can avoid that the pot cover 4 is separated from the outer pot 1 under the action of steam along with the increase of the steam in the heating inner cavity 10, so that the normal use of the electric stewing pot is influenced.

The first setting mode of the buckle structure 3 is as follows: the buckle structure 3 comprises a clamping protrusion 31 arranged on the connecting part 56 and a clamping groove 32 arranged on the upper end of the outer pot 1, wherein the clamping protrusion 31 can be detachably clamped into the clamping groove 32.

The second setting mode of the buckle structure is as follows: the buckle structure is in including setting up the draw-in groove of connecting portion, and set up the card of outer pot upper end is protruding, the card is protruding can be dismantled the card and go into in the draw-in groove. Although the schematic diagram of the present installation method is not shown in the diagram of the present embodiment, the present installation method still falls within the protection scope of the present invention.

(1) the upper opening of the outer pot 1 is sealed by the pot cover 4, so that the sealing performance of the pot cover 4 to the heating inner cavity 10 is improved, a large amount of steam in the heating inner cavity 10 is prevented from losing in the cooking process of the electric stewing pot, the volume of the outer pot 1 can be reduced as much as possible by a producer, the space occupied by the whole electric stewing pot is reduced, the whole appearance proportion of the electric stewing pot is convenient to adjust, and the electric stewing pot can be designed to be smaller and more portable;

(2) by arranging the inward valve structure 8, the air inlet 62 is closed or opened by the pressure increasing ball 81 along with the pressure change in the heating inner cavity 10, when the pressure increasing ball 81 closes the air inlet 62, a micro-pressure environment can be formed in the heating inner cavity 10, so that the cooking efficiency is improved, and the cooking time is shortened; when the air inlet 62 is opened by the pressure increasing ball 81, the heating inner cavity 10 is communicated with the outside, so that excessive steam in the heating inner cavity 10 is discharged to the outside, accidents caused by the increase of the steam in the heating inner cavity 10 and the increase of the internal pressure are avoided, the reliability and the safety of the electric stewing cup are improved, the gas exchange channel 55 can guide the steam in the heating inner cavity 10, and the steam is ensured to flow to the outside after flowing from the air inlet 62 to the air outlet 53 in a directional manner;

(3) the arrangement mode is simple in structure and convenient to produce, manufacture and later maintenance, and producers can easily adjust the maximum internal pressure of the heating inner cavity 10 by selecting the pressurizing balls 81 with different specifications, so that the design and adjustment difficulty of products is effectively reduced.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. An electric stewing pot comprises a pot cover, an outer pot and an inner container;

the outer pot is provided with a heating inner cavity with an opening at the upper side, and the bottom of the heating inner cavity is provided with a heating assembly;

the inner container is arranged in the heating inner cavity;

the pot cover closing cap in the upside opening of outer pot, its characterized in that: the cooker cover is provided with an inward valve structure, and the inward valve structure comprises an exhaust hole, a gas exchange channel, an air inlet and a pressurizing ball;

the exhaust hole sets up be used for with external intercommunication on the pot cover, gas exchange passageway sets up on the pot cover and follow the pot cover downside extends, gas exchange passageway with exhaust hole intercommunication, the air inlet sets up gas exchange passageway's lower extreme and intercommunication the heating inner chamber, the setting of pressurization ball activity is in the gas exchange passageway, be used for according to the pressure of heating inner chamber is airtight or open the air inlet.

2. An electric handleless cup according to claim 1, wherein: the inward valve structure further comprises a sealing element, the sealing element is arranged at one end, close to the gas inlet, in the gas exchange channel, and the sealing element is annular;

the diameter of the pressurizing ball is larger than the inner diameter of the sealing element, so that the pressurizing ball falls on the sealing element in a natural state to block the air inlet.

3. An electric handleless cup according to claim 2, wherein:

the pot cover comprises an outer cover, an inner cover and a sealing ring;

the outer cover is buckled on the upper side of the inner cover, and the sealing ring is arranged between the outer cover and the inner cover;

a gap is arranged between the outer cover and the inner cover, and the gas exchange channel is arranged in the gap.

4. An electric handleless cup according to claim 3, wherein: the inner cover is provided with a mounting through hole, the sealing element penetrates through the mounting through hole, and the air inlet is formed in the sealing element.

5. An electric handleless cup according to claim 4, wherein: the seal comprises a mounting portion and a sealing portion;

the mounting part is annular, and the upper part of the mounting part is in sealing fit with the lower part of the gas exchange channel;

the air inlet is arranged on the sealing portion, the sealing portion is sunken downwards to form a funnel structure, and the outer side of the sealing portion is in sealing fit with the inner wall of the mounting through hole.

6. An electric handleless cup according to claim 4, wherein: a concave step part is arranged on the upper side of the inner cover, and the mounting through hole is arranged at the lower part of the step part;

the seal member is interposed between the gas exchange passage and the stepped portion.

7. An electric handleless cup according to claim 3, wherein: the inner side of the outer cover is provided with a limiting block extending to the pressurizing ball, the number of the exhaust holes is multiple, and the exhaust holes are formed around the limiting block.

8. An electric handleless cup according to claim 3, wherein: the lower end of the inner cover extends outwards horizontally to form an outer edge part, and the sealing ring is sleeved on the outer side of the outer edge part;

the inner wall of the sealing ring extends upwards to form a first extending part, and the inner wall of the sealing ring extends downwards to form a second extending part;

the first outer extension part is in sealing fit with the outer side wall of the inner cover;

when the pot cover is covered on the upper side opening of the outer pot, the second extending part is in sealing fit with the upper side opening of the outer pot.

9. An electric handleless cup according to claim 3, wherein: the lower part of the outer cover extends downwards to form a connecting part below the inner cover, and the connecting part is detachably connected with the outer pot through a buckle structure.

10. An electric handleless cup according to claim 1, wherein: a plurality of support pieces protruding outwards are arranged in the heating inner cavity, the outer ends of the support pieces are matched with the bottom end of the inner container, and a gap is formed between the inner container and the outer pot after the inner container is placed on the support pieces.