CN220327314U

CN220327314U - Steam valve assembly and cooking utensil

Info

Publication number: CN220327314U
Application number: CN202320863450.8U
Authority: CN
Inventors: 李洪涛; 张磊; 吕华
Original assignee: Zhejiang Supor Electrical Appliances Manufacturing Co Ltd
Current assignee: Zhejiang Supor Electrical Appliances Manufacturing Co Ltd
Priority date: 2022-12-29
Filing date: 2023-03-03
Publication date: 2024-01-12
Anticipated expiration: 2033-03-03
Also published as: CN219982701U; CN219982698U

Abstract

The utility model discloses a steam valve assembly and a cooking utensil, which comprise a pot body, a cover body and a steam valve assembly; the steam valve assembly comprises a valve cover, a valve seat and a choked flow condensing piece; a steam cavity is formed between the valve seat and the valve cover, and is provided with a steam inlet and a steam outlet; the choke condensing piece is connected to one of the valve cover and the valve seat, the choke condensing piece divides the steam cavity into a plurality of communicated steam choke condensing cavities, the steam choke condensing cavities comprise a first steam choke condensing cavity communicated with the steam inlet, a water sealing structure formed by condensing steam into liquid by choke is arranged in the first steam choke condensing cavity, and the ratio R of the projection area of the choke condensing piece on a horizontal reference surface to the projection area of the one of the valve cover and the valve seat on the horizontal reference surface is as follows: r is more than or equal to 1/4 and less than or equal to 2/3, and the choked flow condensing piece comprises a condensing piece main body, wherein the condensing piece main body is provided with a drainage surface, and the drainage surface is arranged on one side of the condensing piece main body facing the valve cover and is inclined relative to a horizontal reference surface.

Description

Steam valve assembly and cooking utensil

The present application is a divisional application, the application number of the original application is 202320459537.9, the application date is 2023, 03 and 03, and the utility model is named as a steam valve assembly and a cooking utensil.

Technical Field

The utility model relates to the technical field of household appliances, in particular to a steam valve assembly and a cooking appliance.

Background

There are two main ways of achieving no visible vapor venting for known cooking appliances such as rice cookers and electric pressure cookers. The first is to set a water tank in the cooking appliance, and discharge the steam in the cooking space into the water tank storing cold water in advance through a steam pipeline, so that the steam is in direct contact with the cold water to be liquefied, and no visible steam is discharged. However, the user is required to pour cold water into the water tank in advance before the start of cooking, and the user is required to detach the water tank to drain the water in the water tank after the end of cooking, so that the operation is troublesome, and the use experience of the user is poor. In addition, some substances in the food materials are conveyed into the water tank through the steam channel, so that bacteria are easy to breed in the water tank, even stink is generated, and overflow risks exist when the water tank is excessively accumulated. The second is based on the micropressure cooking utensil platform, so that the cooking space is isolated from the outside air, the temperature of rice water in the inner pot exceeds 100 ℃ and is not boiled under the action of high pressure through firepower control and temperature control induction, and therefore the food materials are cooked, and no visible steam is discharged. However, because the pressure in the cooking space is large, the strength of relevant parts of the cooking appliance needs to meet the pressure level, and high-pressure protection measures need to be taken, so that the cooking appliance has a complex structure and high cost. In addition, a pressure relief device is required, and after cooking is finished, a part of visible steam can be discharged in the pressure relief process.

Accordingly, there is a need for a steam valve assembly and a cooking appliance to at least partially address the above issues.

Disclosure of Invention

In the summary, a series of concepts in simplified form are introduced, which will be further described in detail in the detailed description. The summary of the utility model is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter. To at least partially solve the above problems, the present utility model provides

According to a first aspect of the present utility model, a steam valve assembly for a cooking appliance is disclosed, the steam valve assembly comprising:

a valve cover;

the valve seat is connected with the valve cover, a steam cavity is formed between the valve seat and the valve cover, the steam cavity is provided with a steam inlet and a steam outlet, the steam inlet is arranged on the valve seat and is communicated with a cooking space of the cooking appliance, and the steam outlet is arranged on the valve cover and is communicated with the outside;

a flow-blocking condenser disposed in the steam chamber and connected to one of the valve cover and the valve seat, the flow-blocking condenser dividing the steam chamber into a plurality of communicating steam flow-blocking condensers, the steam flow-blocking condensers comprising a first steam flow-blocking condenser communicating with the steam inlet, the first steam flow-blocking condenser having disposed therein a water-tight construction in which steam is flow-blocked condensed into a liquid;

Wherein the ratio R of the projected area of the choke condensate on a horizontal reference surface to the projected area of the one of the valve cover and the valve seat on the horizontal reference surface satisfies: r is more than or equal to 1/4 and less than or equal to 2/3,

the choke-flow condenser comprises a condenser body provided with a drainage surface which is arranged on the side of the condenser body facing the valve cover and which is inclined relative to the horizontal reference surface.

According to the steam valve assembly, the water sealing structure formed by the fact that steam is blocked and condensed into liquid is arranged in the first steam blocking condensing cavity, so that superheated saturated steam entering the first steam blocking condensing cavity from the steam inlet can flow out after completely immersing supercooled condensate, and superheated saturated steam entering the first steam blocking condensing cavity from the cooking space fully exchanges heat with condensate to be cooled to below 100 ℃ when immersing condensate, so that a large amount of condensate is liquefied and fused into the condensate, steam discharge can be reduced, and no visible steam discharge in the cooking process can be conveniently realized; in addition, when the ratio R of the projection area of the choke-flow condensing piece on the horizontal reference surface to the projection area of one of the valve cover and the valve seat on the horizontal reference surface meets the range, the choke-flow condensing piece has smaller volume, simpler structure, convenient cleaning and reduced production cost; the condensate body is provided with a drainage surface inclined relative to the horizontal reference surface so that condensed water on the choked flow condensate flows along the condensation surface to finally drain out of the steam valve assembly, and the condensed water is prevented from being accumulated on the choked flow condensate.

Optionally, an included angle A1 between the drainage surface and the horizontal direction satisfies: a1 Not less than 1 deg.

According to the scheme, when A1 meets the range, the drainage effect of the drainage surface is good, and the accumulation of condensed water on the choked flow condensing piece is avoided.

Optionally, the choke condensate is detachably connected to one of the valve cover and the valve seat.

According to the scheme, the choke condensate is convenient to install and detach, and the choke condensate is convenient to clean and replace.

Optionally, one of the valve cover and the valve seat is provided with a mounting buckle, the choke-flow condenser is correspondingly provided with a condenser clamping part, and the mounting buckle is clamped to the condenser clamping part.

According to the scheme, the installation mode between the choke condensing piece and one of the valve cover and the valve seat is simple, the assembly efficiency can be improved, and the production cost is reduced.

Optionally, the choke condensate is connected to the valve cover and the projection of the choke condensate on the horizontal reference surface is located in the projection of the valve cover on the horizontal reference surface and/or

The projection of the choke condensate onto the horizontal reference surface covers a central region of the projection of the valve cover onto the horizontal reference surface.

According to the scheme, the steam valve assembly can have a small enough volume, and the connection structure between the choke condensation piece and the valve cover is convenient to optimally design.

Optionally, the valve seat is provided with at least one condensed water collecting groove, the condensed water collecting groove is arranged in the first steam choked flow condensing cavity and is arranged around the circumference of the steam inlet, the choked flow condensing part is correspondingly provided with at least one condensing part lower baffle rib, the condensing part lower baffle rib is arranged in the first steam choked flow condensing cavity, the free end of the condensing part lower baffle rib extends into the space enclosed by the condensed water collecting groove and enters the condensed water collecting groove, and the steam is choked and condensed into liquid by the condensing part lower baffle rib and is accumulated in the condensed water collecting groove, so that the liquid floods the free end of the condensing part lower baffle rib to form the water sealing structure.

According to the scheme, through setting up condensate water collecting vat and condensate lower fender muscle, steam is by condensate lower fender muscle choked flow condensation and is accumulated in the condensate water collecting vat for the liquid is submerged the free end of condensate lower fender muscle and is formed the inside relative isolated water seal structure with the external world of cooking space along with the liquid is more the ponding, thereby obstructs the inside steam flow direction external world of cooking space, so that realize the emission of no visible steam in the cooking process, and the simple structure of disk seat and choked flow condensate.

Optionally, the at least one condensation piece lower baffle rib divides the first vapor choked flow condensation cavity into at least two first vapor channels with communicated bottoms, and/or

The free end of the condensate piece lower baffle rib is provided with a plurality of first gaps, and the maximum distance E1 between the first gaps and the bottom surface of the condensate water collecting tank meets the following conditions: e1 is more than or equal to 1mm and less than or equal to 5mm.

According to this scheme, when E1 satisfies above-mentioned scope, not only make the steam cross-sectional area that circulates between the free end of condensate piece lower fender muscle and comdenstion water collecting vat comparatively suitable, make cooking utensil be difficult for the overflow pot simultaneously.

Optionally, the valve seat is provided with at least one first valve seat rib, the first valve seat rib sets up in the condensation chamber of the choked flow of first steam and around the circumference setting of steam inlet, adjacent two all be provided with between the first valve seat rib one the comdenstion water collecting vat.

According to the scheme, by arranging the first valve seat blocking rib, condensed water can be accumulated on the valve seat, so that a water sealing structure is realized.

Optionally, the steam flow blocking condensation cavity further includes a second steam flow blocking condensation cavity and at least one first steam hole communicating the first steam flow blocking condensation cavity with the second steam flow blocking condensation cavity, the first steam flow blocking condensation cavity is formed around between the flow blocking condensation piece and the valve seat, the valve cover, the valve seat and the peripheral wall part of the flow blocking condensation piece are formed around the second steam flow blocking condensation cavity, and the first steam hole is arranged at the position of the first valve seat rib.

According to the scheme, the steam which is not condensed and liquefied in the first steam flow-blocking condensing cavity can enter the second steam flow-blocking condensing cavity through the first steam hole, and is condensed into liquid through heat exchange with the valve cover, the valve seat and the flow-blocking condensing piece in the second steam flow-blocking condensing cavity, and the steam valve assembly is simple in structure and convenient to manufacture.

Optionally, the valve cover is provided with at least one first valve cover rib, the valve seat is correspondingly provided with at least one second valve seat rib, and the first valve cover rib and the second valve seat rib are both arranged in the second steam flow blocking condensation cavity and extend towards each other to divide the second steam flow blocking condensation cavity into at least one second steam channel.

According to this scheme, keep off the muscle through setting up first valve gap and second disk seat and keep off the muscle to can prolong the flow path of steam, increase the convection heat transfer area of steam, and increase the circulation resistance of steam, with increase convection heat transfer time, increase heat exchange volume, in order to further realize the emission of no visible steam in the culinary art process.

Optionally, the upper surface of the second valve seat rib is higher than the lower surface of the first valve cover rib, and a distance E4 between the upper surface of the second valve seat rib and the lower surface of the first valve cover rib satisfies: e4 is more than or equal to 1mm and less than or equal to 10mm.

According to the present aspect, when E4 satisfies the above range, the possibility that steam in the second steam passage enters the second steam passage adjacent thereto from the gap between the second valve seat bead and the first valve cover bead can be reduced.

Optionally, the steam flow blocking condensation cavity further comprises a third steam flow blocking condensation cavity and a second steam hole for communicating the second steam flow blocking condensation cavity with the third steam flow blocking condensation cavity, the valve cover and the flow blocking condensation piece surround to form the third steam flow blocking condensation cavity, and the second steam hole is arranged at the flow blocking condensation piece and at the lowest position of the drainage surface.

According to the scheme, the vapor which is not condensed and liquefied in the second vapor flow-blocking condensing cavity can enter the third vapor flow-blocking condensing cavity through the second vapor hole, and is condensed into liquid by exchanging heat with the valve cover and the flow-blocking condensing piece in the third vapor flow-blocking condensing cavity, and the condensate in the third vapor flow-blocking condensing cavity finally reaches the second vapor hole by arranging the second vapor hole at the lowest position of the drainage surface, so that the condensate in the third vapor flow-blocking condensing cavity bypasses the rib on the condensing piece, and the vapor valve assembly is simple in structure and convenient to manufacture.

Optionally, the valve cover is provided with at least one second valve cover rib, the choke condensate is correspondingly provided with at least one condensate upper rib, and the second valve cover rib and the condensate upper rib are both arranged in the third steam choke condensing chamber and extend towards each other to divide the third steam choke condensing chamber into at least one third steam channel.

According to the scheme, the steam outlet arranged on the valve cover is communicated with the external atmosphere, in the cooking process, when the temperature of the third steam choked flow condensing cavity is higher than the external atmosphere by more than 10 ℃, the dry air and the wet air in the third steam choked flow condensing cavity can be subjected to forced convection heat exchange with the external atmosphere, so that the external environment is utilized to cool the third steam choked flow condensing cavity and the steam outlet on the valve cover, and at the moment, the atmosphere with lower external temperature is filled in the steam outlet on the valve cover, so that the temperature of gas discharged from the steam outlet is far lower than 100 ℃, and scalding caused by touching the steam outlet by a user in the cooking process is avoided; through setting up second valve gap fender muscle and condensate and go up fender muscle to can prolong the flow path of steam, increase the convection heat transfer area of steam, and increase the circulation resistance of steam, with increase convection heat transfer time, increase heat exchange volume, in order to further realize the emission of no visible steam in the cooking process.

Optionally, the condensation lower rib is configured as an annular structure extending downward from the condensation body, and the condensation upper rib is configured as an elongated structure extending upward from the condensation body.

According to the scheme, the choke condensing piece is simple in structure, convenient to manufacture and capable of reducing production cost; by being provided with inclined drainage surfaces.

Optionally, an included angle A2 between the upper rib of the condensation member and the width direction of the condensation member main body satisfies: a2 3 DEG or more, and/or

The adjacent two baffle ribs on the condensation piece are distributed in a splayed shape, and the shortest distance E5 between the adjacent two baffle ribs on the condensation piece meets the following conditions: e5 And the diameter is more than or equal to 5mm.

According to the scheme, when A2 meets the range, the condensate water in the third steam choked flow condensation intensity can be prevented from accumulating on the root of the baffle rib on the condensate piece, the condensate water dropped in the third steam choked flow condensation cavity can be ensured to flow to the second steam hole, and the condensate water is prevented from accumulating in the third steam choked flow condensation cavity; when E5 satisfies the above range, the distance between the ribs on adjacent condensation pieces can be made to be in a proper range, so that the choke condensation pieces can be cleaned conveniently, and particularly, the ribs on the condensation pieces can be cleaned conveniently.

Optionally, the valve seat is further provided with a drain hole, which is provided at a lowest position of the steam valve assembly and communicates with the second steam choked flow condensing chamber.

According to the scheme, the drain hole is formed in the lowest position of the steam valve assembly, so that liquid in the steam choked flow condensing cavity can be automatically discharged through the drain hole.

According to a second aspect of the utility model, a steam valve assembly for a cooking appliance is disclosed, the steam valve assembly comprising:

a valve cover;

the steam channel is formed in the steam cavity and is communicated with the steam inlet and the steam outlet, and at least one section of the steam channel is provided with a water sealing structure formed by the flow blocking condensation of steam into liquid;

a choke condensate disposed in the vapor chamber, and a projection of the choke condensate on a transverse tangential plane of the vapor valve assembly covers a central region of the projection of the valve cover on the transverse tangential plane.

According to the steam valve assembly, the water sealing structure formed by the fact that steam is choked and condensed into liquid is arranged on at least one section of the steam channel in the steam cavity, so that superheated saturated steam entering the steam channel from the steam inlet can flow out after completely immersing supercooled condensate water, and the superheated saturated steam entering the steam channel from the cooking space is fully subjected to heat exchange with the condensate water to be cooled to be below 100 ℃ when the condensate water is immersed, so that a large amount of condensate water is liquefied and integrated into the condensate water, steam discharge can be reduced, and no visible steam discharge in the cooking process can be conveniently realized; in addition, the projection of the choke-flow condensing part on the horizontal reference plane covers the central area of the projection of the valve cover on the horizontal reference plane, so that the choke-flow condensing part has smaller volume, simpler structure, convenient cleaning and reduced production cost.

Optionally, the choke condensation piece divides the steam cavity into a plurality of steam choke condensation cavities communicated with each other, the steam choke condensation cavities comprise first steam choke condensation cavities communicated with the steam inlet, the first steam choke condensation cavities are formed around between the choke condensation piece and the valve seat, and the water sealing structure is located in the first steam choke condensation cavities.

According to the scheme, through setting up the choked flow condensation piece, the choked flow condensation piece separates into the steam choked flow condensation chamber of a plurality of intercommunications with the steam chamber to can prolong the flow path of overheated saturated steam in the cooking space, increase the convection heat transfer area of steam, and increase the circulation resistance of steam, in order to increase convection heat transfer time, increase heat exchange quantity, in order to further realize the emission of no visible steam in the cooking process. The first steam flow-blocking condensing cavity firstly receives the superheated saturated steam from the cooking space, and the water sealing structure is positioned in the first steam flow-blocking condensing cavity, so that more superheated saturated steam in the cooking space is condensed into condensed water in the first steam flow-blocking condensing cavity, and the emission of no visible steam in the cooking process is realized.

Optionally, the free end of the condensation piece lower rib is provided with a plurality of first notches, and a maximum distance E1 between the first notches and the bottom surface of the condensation water collecting tank satisfies: e1 is more than or equal to 1mm and less than or equal to 5mm.

Optionally, the first valve seat blocking rib comprises an inner ring valve seat blocking rib forming the steam inlet and an intermediate valve seat blocking rib arranged outside the inner ring valve seat blocking rib,

wherein, the height H1 of inner circle disk seat fender muscle satisfies: h1 is 5mm or less or 30mm or less, and/or

The height H2 of the middle valve seat blocking rib meets the following conditions: H2-E1 is less than or equal to 1mm and less than or equal to 5mm.

According to the scheme, when H1 meets the range, the height of the inner ring valve seat blocking rib is higher than the liquid level of condensed water after cooking is finished, so that the phenomenon that the condensed water overflows through a steam inlet and flows back into an inner pot to cause white rice dripping is avoided; when H2 meets the range, the water storage capacity of the valve seat meets the requirement, and no overflow is generated.

Optionally, the condensation piece lower baffle rib comprises a first condensation piece lower baffle rib, the first condensation piece lower baffle rib is arranged between the inner ring valve seat baffle rib and the middle valve seat baffle rib,

wherein, the distance E2 between the first condensate piece lower retaining rib and the inner ring valve seat retaining rib satisfies: e2 is 3mm or less or 5mm or less, and/or

The distance E3 between the first condensation piece lower blocking rib and the middle valve seat blocking rib meets the following conditions: e3 is more than or equal to 2mm and less than or equal to 5mm.

According to this scheme, when E2 and E3 satisfy above-mentioned scope, not only can satisfy the water storage of disk seat, make first condensation piece down keep off the interval between muscle and the middle disk seat fender muscle of inner circle disk seat fender muscle comparatively suitable simultaneously to washing choked flow condensation piece and disk seat.

Optionally, the first valve seat keeps off the muscle and includes outer lane valve seat keeps off the muscle, outer lane valve seat keeps off the muscle and sets up the outside of middle valve seat keeps off the muscle, choked flow condensation piece is provided with first recess correspondingly, the steam valve subassembly still includes first sealing member correspondingly, first sealing member sets up in the first recess, the free end that outer lane valve seat kept off the muscle extends into first recess and compresses tightly first sealing member.

According to the scheme, the first sealing piece is arranged, so that the first steam choked flow condensing cavity is in a sealing state.

Optionally, the steam flow blocking condensation cavity further comprises a second steam flow blocking condensation cavity and at least one first steam hole for communicating the first steam flow blocking condensation cavity with the second steam flow blocking condensation cavity, the valve cover, the valve seat and the peripheral wall part of the flow blocking condensation piece surround to form the second steam flow blocking condensation cavity, and the first steam hole is arranged at the rib of the outer ring valve seat.

Optionally, the valve cover is provided with at least one first valve cover rib, the valve seat is correspondingly provided with at least one second valve seat rib, and the first valve cover rib and the second valve seat rib are both arranged in the second steam flow blocking condensation cavity and extend towards each other to divide the second steam flow blocking condensation cavity into at least one second steam channel, and the steam channel comprises the second steam channel.

Optionally, the height H3 of the second steam channel satisfies: h3 is 10mm or less or 50mm or less, and/or

The width W1 of the second steam channel satisfies the following conditions: w1 is more than or equal to 16mm and less than or equal to 30mm.

According to the scheme, when H3 and W1 meet the range, the second steam choked flow condensing cavity can have a good condensing effect, and meanwhile, the side ribs of the condensing part can have proper height and distance, so that the choked flow condensing part can be cleaned conveniently.

Optionally, the steam flow blocking condensation cavity further includes a third steam flow blocking condensation cavity and a second steam hole communicating the second steam flow blocking condensation cavity with the third steam flow blocking condensation cavity, the valve cover and the flow blocking condensation piece surround to form the third steam flow blocking condensation cavity, and the second steam hole is arranged on the flow blocking condensation piece.

According to the scheme, the steam which is not condensed and liquefied in the second steam flow blocking condensing cavity can enter the third steam flow blocking condensing cavity through the second steam hole, and is condensed into liquid through heat exchange with the valve cover and the flow blocking condensing piece in the third steam flow blocking condensing cavity, and the steam valve assembly is simple in structure and convenient to manufacture.

Optionally, the valve cover is provided with at least one second valve cover rib, the choke condensate is correspondingly provided with at least one condensate upper rib, the second valve cover rib and the condensate upper rib are both arranged in the third steam choke condensing cavity and extend towards each other to divide the third steam choke condensing cavity into at least one third steam channel, and the steam channel comprises the third steam channel.

Optionally, the height H4 of the second valve cover rib and the rib on the condensation member satisfies: 0 < H4 +.10mm, and/or

The minimum diameter D1 of the second steam hole satisfies: d1 is more than or equal to 4mm and less than or equal to 10mm.

According to the scheme, when H4 meets the range, the heights of the second valve cover blocking ribs and the blocking ribs on the condensation piece are suitable, so that the valve cover and the choked flow condensation piece can be conveniently cleaned; d1 satisfies the above range, the flow area of steam can be satisfied.

Optionally, the choke-flow condenser comprises a condenser main body, the lower rib of the condenser is configured into an annular structure extending downwards from the condenser main body, the upper rib of the condenser is configured into an elongated structure extending upwards from the condenser main body, the upper surface of the condenser main body is provided with an inclined drainage surface, and the second steam hole is arranged at the lowest position of the drainage surface.

According to the scheme, the choke condensing piece is simple in structure, convenient to manufacture and capable of reducing production cost; by providing an inclined drainage surface and arranging the second steam hole at the lowest position of the drainage surface, condensate in the third steam choked flow condensing cavity bypasses the rib on the condensing piece and finally reaches the second steam hole.

According to the scheme, when A1 meets the range, the drainage effect of the drainage surface is good, so that the condensed water dripped in the third steam choked flow condensing cavity can be ensured to flow to the second steam hole, and the condensed water is prevented from accumulating in the third steam choked flow condensing cavity.

The blocking ribs on two adjacent condensing parts are distributed in a splayed shape, and the shortest distance E5 between the blocking ribs on two adjacent condensing parts meets the condition that E5 is more than or equal to 5mm.

According to a third aspect of the present utility model, there is disclosed a cooking appliance comprising:

a pot body;

the cover body is arranged on the cooker body in an openable and closable manner, and when the cover body is covered on the cooker body, a cooking space is formed between the cover body and the cooker body;

the steam valve assembly according to any one of the first aspect, the steam valve assembly being detachably connected to the cover,

wherein, when the steam valve assembly is connected to the cover, the steam inlet communicates with the cooking space.

Drawings

The following drawings of embodiments of the present utility model are included as part of the utility model. The drawings illustrate embodiments of the utility model and their description to explain the principles of the utility model. In the drawings:

fig. 1 is a perspective view schematically showing a cooking appliance according to a preferred embodiment of the present utility model;

fig. 2 is another perspective view of the cooking appliance of fig. 1, wherein the cover is in an open state, wherein the steam valve is in an incompletely installed state, and the detachable cover assembly is omitted;

FIG. 3 is an exploded perspective view of a partial structure of the cooking appliance of FIG. 1, showing a cover and a steam valve assembly;

FIG. 4 is an exploded perspective view of the steam valve assembly of FIG. 3;

FIG. 5 is a schematic cross-sectional view of the steam valve assembly of FIG. 3;

FIG. 6 is a schematic perspective view of a valve seat of the steam valve assembly of FIG. 4;

FIG. 7 is an exploded perspective view of a partial structure of the cooking appliance of FIG. 1 showing a flow blocking condenser, a valve seat, a first seal, an intake gasket, and a removable cover assembly;

FIG. 8 is a schematic cross-sectional view of a partial structure of the steam valve assembly of FIG. 3, showing a choke condensate, a valve seat, and a first seal;

FIG. 9 is a schematic perspective view of the steam valve assembly of FIG. 3 with the valve cover in an open state;

FIG. 10 is a partial schematic structural view of the steam valve assembly of FIG. 3, wherein only the valve cover and the flow blocking condensate are shown;

FIG. 11 is a schematic cross-sectional view of a partial structure of the steam valve assembly of FIG. 3, showing a valve seat, a choke condensate, a valve cover, a first seal, a second seal, and a third seal;

FIG. 12 is a schematic perspective view of a partial structure of the steam valve assembly of FIG. 3 showing the choke condensate and the valve cover, and the choke condensate not mounted to the valve cover;

FIG. 13 is a schematic cross-sectional view of a partial structure of the steam valve assembly of FIG. 3, showing a choke condensate, a valve cover, a first seal, and a third seal;

FIG. 14 is a schematic top view of a choke condensate of the steam valve assembly of FIG. 3;

FIG. 15 is a schematic cross-sectional view of a partial structure of the cooking appliance of FIG. 1, illustrating the partial structure of the cover and the steam valve assembly in a closed state of the cover;

FIG. 16 is a schematic perspective view of a partial structure of the cooking appliance of FIG. 1, showing the liner, steam valve assembly and removable lid assembly not fully installed;

FIG. 17 is a schematic perspective view of the steam valve assembly of FIG. 3;

FIG. 18 is a schematic perspective view of a partial structure of the cooking appliance of FIG. 1, showing the liner and the steam valve assembly not fully installed;

FIG. 19 is a schematic cross-sectional view of a partial structure of the steam valve assembly of FIG. 3, showing the valve seat, the valve cover, and the second seal;

FIG. 20 is a schematic cross-sectional view of a partial structure of the cooking appliance of FIG. 1, showing a valve seat, a valve cover, a second seal, and a liner;

fig. 21 is another perspective view of the cooking appliance of fig. 1, in which the cover is in an opened state.

Reference numerals illustrate:

100: cooking utensil

110: pot body

111: middle plate

112: pot body outer shell

113: base seat

115: inner pot

116: pivot shaft

117: water storage tank

120: cover body

121: panel board

122: face cover

123: lining(s)

124: removable cover assembly

125: lock head

126: lining rib

127: inner lining bulge

128: steam outlet

130: steam valve assembly

131: steam cavity

132: first steam choked flow condensing chamber

133: second steam choked flow condensing chamber

134: third steam choked flow condensing chamber

135: steam inlet

136: steam outlet

137: drainage hole

138: first steam channel

139: second steam channel

140: valve cover

141: valve cover main body

143: first valve cover rib

144: second valve cover rib

145: second groove

146: mating part

147: hook

148: the first clamping hook is convex

149: the second clamping hook is convex

150: valve seat

151: valve seat body

152: first valve seat rib

152a: inner ring valve seat rib

152b: middle valve seat rib

152c: outer ring valve seat retaining rib

153: second valve seat rib

154: drainage part

155: clamping groove

156: condensed water collecting tank

157: valve seat convex rib

158: mounting shaft

159: valve seat protrusion

160: choke condenser

161: condensation piece main body

162: lower baffle rib of condensing part

162a: first condensation piece lower baffle rib

162b: second condensation piece lower baffle rib

164: upper baffle rib of condensing part

165: first notch

166: first groove

167: mounting part

168: third groove

171: first steam hole

172: second steam hole

176: mounting buckle

177: condenser joint portion

178: second notch

179: third steam channel

181: drainage sealing ring

182: first sealing member

183: second sealing member

184: third seal member

185: steam inlet sealing ring

186: drainage surface

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.

In the following description, a detailed description will be given for the purpose of thoroughly understanding the present utility model. It will be apparent that embodiments of the utility model may be practiced without limitation to the specific details that are familiar to those skilled in the art. Preferred embodiments of the present utility model are described in detail below, however, the present utility model may have other embodiments in addition to these detailed descriptions.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is intended to include the plural unless the context clearly indicates otherwise. Furthermore, it will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

Ordinal numbers such as "first" and "second" cited in the present utility model are merely identifiers and do not have any other meaning, such as a particular order or the like. Also, for example, the term "first component" does not itself connote the presence of "second component" and the term "second component" does not itself connote the presence of "first component".

It should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like are used herein for illustrative purposes only and are not limiting.

Exemplary embodiments according to the present utility model will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. It should be appreciated that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of these exemplary embodiments to those skilled in the art.

As shown in fig. 1 and 2, the present utility model provides a cooking appliance 100, which mainly includes a pot body 110 and a cover body 120. The pot body 110 has a cylindrical inner pot accommodating part. The inner pot 115 may be fixedly disposed at the inner pot receiving part, or may be freely placed in or taken out from the inner pot receiving part, so as to facilitate cleaning of the inner pot 115. The inner pot 115 is generally made of a metal material and has a circular opening on an upper surface for holding a material to be heated, such as rice, soup, etc. The cooker body 110 includes therein a heating means, such as a heating plate, for heating the inner pot 115 to heat the inner pot 115.

It is understood that the cooking appliance 100 according to the present utility model may be an electric rice cooker, an electric pressure cooker, an air fryer, a stewpot, a steamer, a roaster, an oven, a cooker, an electric kettle, or other cooking appliance. In the following, a cooking appliance 100 will be described in detail as an example of an electric rice cooker, and the cooking appliance 100 may have various functions such as cooking porridge in addition to a function of cooking rice.

The cover 120 has a shape substantially corresponding to the pot 110. The cover 120 is openably and closably disposed on the pot 110, and in particular, is pivotally connected to the pot 110 by a pivot shaft 116, and is capable of freely pivoting about the pivot shaft 116 on which the pivot shaft 116 is located between a covering position and an opening position with respect to the pot 110, so as to facilitate covering and opening of the pot 110. When the cover 120 is covered on the pot 110, it covers the inner pot 115 and forms a cooking space between the inner pot 115. The lid 120 also typically has a port seal thereon, which may be made of, for example, a rubber material, disposed between the lid 120 and the inner pot 115 for sealing the cooking space when the lid 120 is in the closed state.

In the present embodiment, the sides of the pot body 110 and the cover 120 close to the pivot shaft 116 are rear sides, whereas the sides of the pot body 110 and the cover 120 away from the pivot shaft 116 are front sides. It is noted that directional terms used herein to describe various components, portions, etc. of the cooking appliance 100, such as "upper", "lower", "above", "below", "upward", "downward", etc., are relative to the cooking appliance 100 in a horizontally placed and upright state. The directional terms "inward", "outward", "inside", "outside", etc. refer to "inward" toward the center of the cooking appliance 100 and "outward" refer to "away from the center of the cooking appliance 100, unless otherwise limited.

As shown in fig. 2 to 3 and 16, the cooking appliance 100 further includes a steam valve assembly 130. The steam valve assembly 130 is detachably connected to the cover 120, and is disposed at a rear position of the cover 120. Specifically, the lid 120 includes a face cap assembly, an inner liner 123 disposed below the face cap assembly, and a removable cap assembly 124 disposed below the inner liner 123. The cover assembly is located at an outer side, i.e., an uppermost side, of the cover body, and in this embodiment, the steam valve assembly 130 is disposed at an inner side of the cover assembly such that the steam valve assembly 130 can be mounted or dismounted from the inner side of the cover body 120 in order to clean the entire steam valve assembly 130.

Specifically, the cover assembly includes a panel 121 and a cover 122. The panel 121 is made of transparent plastic or glass. The face cover 122 is disposed under the panel 121, and the panel 121 is adhered to an upper surface of the face cover 122. Liner 123 is disposed below face cover 122 and is connected to face cover 122. The steam valve assembly 130 is disposed between the liner 123 and the removable cap assembly 124 and is removably coupled to the liner 123. It is understood that the location of the steam valve assembly 130 is not limited to this embodiment, and the steam valve assembly 130 may be located at other locations of the cover 120 or on the pot 110 as desired.

As shown in fig. 3 to 5, the steam valve assembly 130 mainly includes a valve cover 140 and a valve seat 150 disposed under the valve cover 140. The valve seat 150 is connected to the valve cover 140, and both the valve seat 150 and the valve cover 140 may be made of food grade materials. A steam chamber 131 is formed between the valve seat 150 and the valve cover 140. The steam cavity 131 is provided with a steam inlet 135 and a steam outlet 136, the steam inlet 135 is provided at the valve seat 150 and communicates with the cooking space of the cooking appliance 100, and the steam outlet 136 is provided at the valve cover 140 and communicates with the external atmosphere. When the steam valve assembly 130 is connected to the cover 120, the steam inlet 135 communicates with the cooking space.

A steam channel is formed in the steam cavity 131 and is communicated with the steam inlet 135 and the steam outlet 136, wherein at least one section of the steam channel is provided with a water sealing structure formed by the steam which is choked flow and condensed into liquid. Specifically, the steam channels include a first steam channel 138 (see fig. 5 and 8), a second steam channel 139 (see fig. 11) in communication with the first steam channel 138, and a third steam channel 179 (see fig. 5) in communication with the second steam channel 139, the first steam channel 138 being in communication with the steam inlet 135, the third steam channel 179 being in communication with the steam outlet 136, the steam outlet 136 being provided at an end of the third steam channel 179.

The steam valve assembly 130 also includes a choke condensate 160. The choke condensate 160 may be made of a food grade material. The flow-blocking condenser 160 is disposed in the steam chamber 131, and as shown in fig. 5 and 9, a projection of the flow-blocking condenser 160 on a lateral section of the steam valve assembly 130 covers a central region of a projection of the valve cover 140 on the lateral section. In other words, the choke condensate 160 is disposed at an intermediate position of the valve cover 140, and a projection of the choke condensate 160 on a horizontal reference plane covers a central area of the projection of the valve cover 140 on the horizontal reference plane. Therefore, the choke condenser 160 has smaller volume and simpler structure, is convenient to clean, and can reduce the production cost.

As shown in fig. 9 and 10, the choke condensate 160 is connected to one of the valve cover 140 and the valve seat 150, and a ratio R of a projected area of the choke condensate 160 on a horizontal reference surface to a projected area of the one of the valve cover 140 and the valve seat 150 on the horizontal reference surface satisfies: r is more than or equal to 1/4 and less than or equal to 2/3. Therefore, the choke condenser 160 has smaller volume and simpler structure, is convenient to clean, and can reduce the production cost. In this context, the "projected area of the choke condensate 160 on the horizontal reference plane" refers to an area surrounded by an outer contour line of the projection of the choke condensate 160 on the horizontal reference plane.

As shown in fig. 4 and 5, the flow-blocking condenser 160 includes a condenser body 161, the condenser body 161 is provided with a drainage surface 186, and the drainage surface 186 is disposed on a side of the condenser body 161 facing the valve cover 140 and is inclined with respect to the horizontal reference surface, thereby facilitating condensed water on the flow-blocking condenser 160 to flow along the condensation surface to finally drain out of the steam valve assembly 130, and avoiding accumulation of condensed water on the flow-blocking condenser 160. In the present embodiment, the drainage surface 186 is provided on the upper surface of the condenser main body 161. Preferably, the angle A1 between the drainage surface 186 and the horizontal reference surface satisfies: a1 1 ° (see fig. 13). For example, A1 may be 1 °, 1.5 °, 2 °, 2.5 °, 3 °, 3.5 °, or 4 °. Further preferably, a1=2° ±0.2°.

As shown in fig. 9 to 10 and 12, the flow-blocking condenser 160 is connected to the valve cover 140, and the projection of the flow-blocking condenser 160 on the horizontal reference plane is located in the projection of the valve cover 140 on the horizontal reference plane. In this embodiment, the projection of the choke condensate 160 onto the horizontal reference surface covers the middle region of the projection of the valve cover 140 onto the horizontal reference surface. Preferably, the choke condensate 160 is removably connected to the valve cover 140. Specifically, the valve cover 140 is provided with a mounting buckle 176, and the choke-flow condenser 160 is correspondingly provided with a condenser clamping portion 177, and the mounting buckle 176 is clamped to the condenser clamping portion 177 to detachably connect the choke-flow condenser 160 to the valve cover 140. The number of mounting snaps 176 and condensation snaps 177 is at least two. Six mounting snaps 176 and six condensate snaps 177 are exemplarily shown in fig. 13 and 16. In a not shown embodiment, the choke condensate is detachably connected to the valve seat, that is to say the valve seat is provided with a mounting catch for the engagement with the condensate catch, and the projection of the choke condensate on the horizontal reference surface is located in the projection of the valve seat on the horizontal reference surface.

More specifically, the valve cover 140 includes a valve cover body 141, and the mounting clip 176 is connected to the valve cover body 141 and is configured in an L-shaped structure. The condenser clamping portion 177 is constructed in a straight wall structure extending in a horizontal direction, when the choke-flow condenser 160 is mounted to the valve cover 140, the choke-flow condenser 160 may be placed in parallel with the valve cover 140, and the positions of the mounting buckle 176 and the condenser clamping portion 177 correspond to each other, so that the choke-flow condenser 160 may be detachably mounted to the valve cover 140 by pushing the choke-flow condenser 160.

As shown in fig. 5, the choke condensate 160 divides the vapor chamber 131 into a plurality of communicating vapor choke condensate chambers. Specifically, the vapor-flow-blocking condensing chambers include a first vapor-flow-blocking condensing chamber 132, a second vapor-flow-blocking condensing chamber 133 in communication with the first vapor-flow-blocking condensing chamber 132, and a third vapor-flow-blocking condensing chamber 134 in communication with the second vapor-flow-blocking condensing chamber 133. The first vapor-choked flow condensing chamber 132 communicates with a vapor inlet 135, the third vapor-choked flow condensing chamber 134 communicates with a vapor outlet 136, and the vapor outlet 136 is disposed at a distal end of the third vapor-choked flow condensing chamber 134. Accordingly, high-temperature steam in the cooking space can enter the first steam choked flow condensing chamber 132 from the steam inlet 135.

In this embodiment, a first vapor-flow-blocking condensation chamber 132 is formed around between the flow-blocking condensation 160 and the valve seat 150, and a water-tight construction is located in the first vapor-flow-blocking condensation chamber 132. The second vapor-choked flow condensing chamber 133 is formed around the valve cover 140, the valve seat 150, and the outer peripheral wall portion of the choked flow condensing member 160. The third vapor-choked flow condensing chamber 134 is defined between the valve cover 140 and the choked flow condensing member 160.

The shaded portion in fig. 7 is the space occupied by the first vapor-choked flow condensing chamber 132. The first vapor block-flow condensing chamber 132 is disposed in a middle and lower portion of the vapor valve assembly 130 (see fig. 5). As shown in fig. 5, 7 and 8, the valve seat 150 is provided with at least one condensed water collecting groove 156. The condensate collection groove 156 is disposed in the first steam choked flow condensing chamber 132 and is configured to be disposed circumferentially about the steam inlet 135. The condensed water collecting tank 156 is opened upward at an opening thereof and is generally configured in a U-shape in cross section. Specifically, the valve seat 150 includes a valve seat body 151, and a condensed water collecting groove 156 is provided at an upper side of the valve seat body 151, i.e., a groove configured to be recessed downward from an upper surface of the valve seat body 151. Two condensate collection grooves 156 are exemplarily shown in fig. 5, 7 and 8, the condensate collection grooves 156 are preferably configured as annular grooves, and the two condensate collection grooves 156 are coaxially disposed.

The choke condensate 160 is correspondingly provided with at least one condensate lower rib 162. The condensation-member lower rib 162 is disposed in the first vapor-blocking condensation chamber 132 and is configured in a circular ring-shaped structure. The free ends of the condensation lower baffle ribs 162 extend into the space enclosed by the condensation collection tank 156 and into the condensation collection tank 156, and a gap exists between the condensation lower baffle ribs 162 and the inner surface (e.g., bottom surface) of the condensation collection tank 156. The steam is choked by the condensate lower deflector 162 to condense into liquid and accumulate in the condensate collection tank 156 such that the liquid floods the free ends of the condensate lower deflector 162 to form a water tight configuration. Specifically, the condenser main body 161 is generally configured as a rectangular plate-like structure. The condensation lower baffle bar 162 is configured as an annular structure extending downward from the condensation body 161. In this embodiment, the condensate lower rib 162 separates the first vapor-choked flow condensing chamber 132 into at least one first vapor passage 138 having a bottom portion in communication. Three first steam channels 138 are schematically shown in fig. 7, the three first steam channels 138 being arranged in the radial direction of the steam inlet 135 and the bottoms of two adjacent first steam channels 138 being in communication. The first steam passage 138 is generally configured as an annular passage, and the first steam passage 138 is generally rectangular in cross-section.

As shown in fig. 5, 7 and 8, the free (i.e., lower) end of the condensation lower rib 162 is provided with a plurality of first notches 165. The first notch 165 is configured as a notch extending from the upper end surface of the condensation lower rib 162. The shape of the first notch 165 may be semi-circular, U-shaped, square, rectangular, or any other suitable shape. The plurality of first notches 165 are spaced apart along the circumference of the condensation piece lower rib 162. Preferably, the plurality of first notches 165 are equally spaced along the circumference of the condensation lower rib 162. Specifically, the lower end of the first notch 165 is located in the condensate water collecting tank 156, i.e., lower than the upper surface of the valve seat body 151, and the upper end of the first notch 165 is located outside the condensate water collecting tank 156, i.e., higher than the upper surface of the valve seat body 151.

In the present embodiment, the condensation-member lower rib 162 includes a first condensation-member lower rib 162a and a second condensation-member lower rib 162b provided outside the first condensation-member lower rib 162 a. The first condensation piece lower blocking rib 162a and the second condensation piece lower blocking rib 162b are each configured in a circular shape, and the free ends of the first condensation piece lower blocking rib 162a and the second condensation piece lower blocking rib 162b are each provided with a plurality of first notches 165.

The valve seat 150 is provided with at least one first valve seat rib 152. The first valve seat bead 152 is configured as an annular structure extending upward from the upper surface of the valve seat body 151. The first valve seat ribs 152 are disposed in the first vapor choked flow condensing chamber 132 and around the circumference of the vapor inlet 135, and one condensed water collecting groove 156 is disposed between two adjacent first valve seat ribs 152.

Specifically, the first valve seat bead 152 includes an inner ring valve seat bead 152a formed with the steam inlet 135, an intermediate valve seat bead 152b disposed outside the inner ring valve seat bead 152a, and an outer ring valve seat bead 152c disposed outside the intermediate valve seat bead 152 b. That is, the intermediate seat rib 152b is disposed radially between the inner and outer seat ribs 152a, 152c. In the present embodiment, the upper surface of the outer ring seat rib 152c is higher than the upper surface of the inner ring seat rib 152a, and the upper surface of the inner ring seat rib 152a is higher than the upper surface of the intermediate seat rib 152 b. The first condensation piece lower rib 162a is disposed radially between the inner ring seat rib 152a and the intermediate seat rib 152 b. The second condensation piece lower rib 162b is disposed radially between the intermediate seat rib 152b and the outer ring seat rib 152c.

As shown in fig. 8, the vapor-flow-blocking condensing chamber further includes at least one first vapor hole 171 that communicates the first vapor-flow-blocking condensing chamber 132 with the second vapor-flow-blocking condensing chamber 133. The first steam hole 171 is located at a higher position of the first steam choked flow condensing chamber 132, and is provided at the outer ring valve seat rib 152 c. Specifically, as shown in fig. 4 and 9, the outer ring valve seat rib 152c is provided with at least one second notch 178, and the first steam hole 171 is a through hole formed between the second notch 178 provided on the outer ring valve seat rib 152c and the choke condenser 160 (see fig. 11). Two second indentations 178 are exemplarily shown in fig. 5, and thus two first steam holes 171 are formed. In one embodiment, not shown, the first steam hole 171 may also be any suitably shaped through hole provided in the outer ring seat rib 152 c.

In the present embodiment, when cooking is started, the inside of the first steam choked flow condensing chamber 132 is in a normal temperature dry state, that is, no condensed water and condensed water drops. After cooking for a while, nucleate boiling begins when the water in the inner pot 115 reaches 100 ℃, and high temperature steam in the cooking space enters the first steam choked flow condensing chamber 132 through the steam inlet 135. The high-temperature steam entering the first steam choked flow condensing chamber 132 exchanges heat with the choked flow condensing member 160 and the valve seat 150 with a lower temperature, so that a part of the high-temperature steam is condensed and liquefied and is attached to the choked flow condensing member 160 (for example, attached to the lower rib 162 of the condensing member), and a part of the high-temperature steam which is not condensed and liquefied and the dry air which is expanded by heating in the cooking space can pass through the first notch 165, finally reach the first steam hole 171 and enter the second steam choked flow condensing chamber 133. Arrows in fig. 8 schematically show the flow path of the high temperature steam in the cooking space in the first steam choked flow condensing chamber 132.

As more condensate droplets accumulate on the choke condensate 160, the condensate falls under the force of gravity onto the valve seat 150. Since the position of the condensate collection tank 156 is the lowest, condensate is first accumulated in the condensate collection tank 156. As more and more condensate falls from the choke condensate 160, the condensate fills the condensate collection tank 156 and accumulates on the upper surface of the condensate body 161. As more and more condensed water is accumulated on the upper surface of the condensation member main body 161, the liquid level of the condensed water gradually floods the first notch 165 provided on the condensation member lower rib 162, thereby forming a water-tight structure therein. Since the cooking space is in a sealed state, when the steam in the cooking space flows at this time, the steam must be completely immersed in the supercooled condensate at the water sealing structure to flow out. Because the liquid condensed water is in direct contact with the valve seat 150, the condensed water can exchange heat with the valve seat 150 sufficiently, so that the temperature of the condensed water is less than 100 ℃. While the superheated saturated steam of 100 ℃ entering the first steam choked flow condensing cavity 132 from the cooking space is immersed in the condensed water, the superheated saturated steam is fully heat-exchanged with the condensed water to be cooled to below 100 ℃, and a large amount of superheated saturated steam is condensed, liquefied and fused in the condensed water, so that the discharge of visible steam is reduced.

In the present embodiment, two water sealing structures are formed, in which a first water sealing structure is formed in common between the inner ring valve seat bead 152a, the first condensation piece lower bead 162a, the intermediate valve seat bead 152b, and the valve seat body 151 (specifically, the upper surface of the valve seat body 151 and the condensation water collection groove 156), a second water sealing structure is formed in common between the intermediate valve seat bead 152b, the second condensation piece lower bead 162b, the outer ring valve seat bead 152c, and the valve seat body 151 (specifically, the upper surface of the valve seat body 151 and the condensation water collection groove 156), and the second water sealing structure is provided around the first water sealing structure.

As shown in fig. 8, the maximum distance E1 between the first notch 165 and the bottom surface of the condensate collection tank 156 is a critical dimension of the water-tight structure, and if E1 is too small, the steam flow cross-sectional area is small, which is easy to overflow, and if E1 is too large, it takes a long time to form the water-tight structure. Thus, the smaller the value of E1 should be, the better on the premise that the total effective steam flow cross-sectional area formed by all the first notches 165 of the ends of the condensation member lower rib 162 (including the first condensation member lower rib 162a and the second condensation member lower rib 162 b) is greater than or equal to the cross-sectional area of the steam inlet 135. Preferably, 1 mm.ltoreq.E1.ltoreq.5 mm. For example, E1 may be 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, or 5mm. Further preferably e1=2.4 mm±0.5mm.

The height H1 of the inner ring valve seat rib 152a should be higher than the liquid level of the condensed water after cooking is finished, so that the condensed water on the valve seat 150 in the first steam choked flow condensing cavity 132 is prevented from overflowing through the steam inlet 135 and flowing back into the inner pot 115 to cause white dripping of the cooked rice. Preferably, 5 mm.ltoreq.H1.ltoreq.30mm. For example, H1 may be 5mm, 7.5mm, 10mm, 12.5mm, 15mm, 17.5mm, 20mm, 22.5mm, 25mm, 27.5mm or 30mm. Further preferably, h1=9 mm±0.5mm.

The height H2 of the middle valve seat rib 152b affects not only the water storage amount of the water seal structure but also the pressure value in the cooking space and the overflow pan. Preferably, 1 mm.ltoreq.H2-E1.ltoreq.5 mm. That is, 1 mm+E1.ltoreq.H2.ltoreq.5mm+E1, when E1 is preferably 2.4mm, 3.4 mm.ltoreq.H2.ltoreq.7.4 mm. For example, H2 may be 3.4mm, 3.9mm, 4.4mm, 4.9mm, 5.4mm, 5.9mm, 6.4mm, 6.9mm, or 7.4mm. Further preferably, h2=5.4 mm±0.5mm.

Preferably, the distance E2 between the first condensation piece lower rib 162a and the inner ring valve seat rib 152a satisfies: 3 mm.ltoreq.E2.ltoreq.5mm, and the distance E3 between the first condensation piece lower bead 162a and the intermediate valve seat bead 152b satisfies: e3 is more than or equal to 2mm and less than or equal to 5mm. For example, E2 may be 3mm, 3.5mm, 4mm, 4.5mm, or 5mm, and E3 may be 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, or 5mm. Further preferably e2=4 mm±0.5mm, e3=3 mm±0.5mm.

As shown in fig. 5, 7 and 8, the choke condensate 160 is provided with a first recess 166. The first groove 166 is configured as a groove open downward, and the first groove 166 is configured in a U-shape in cross section. The steam valve assembly 130 further includes a first seal 182. The first seal 182 is preferably made of a food grade rubber or silicone material. The first seal 182 is disposed in the first groove 166 along the circumferential direction of the first groove 166. The free end (i.e., upper end) of the outer ring seat bead 152c extends into the first groove 166 in the circumferential direction of the first groove 166 and presses the first seal 182 in the circumferential direction of the first seal 182 to fix the first seal 182 in the first groove 166. Accordingly, by providing the first seal 182, the first vapor blocking condensation chamber 132 can be placed in a sealed state.

The hatched portion in fig. 9 is a structure that forms a second vapor-flow-blocking condensing chamber 133, and the second vapor-flow-blocking condensing chamber 133 is disposed around the first vapor-flow-blocking condensing chamber 132. As shown in fig. 9 to 11, the valve cover 140 is provided with at least one first valve cover rib 143, the valve seat 150 is correspondingly provided with at least one second valve seat rib 153, and the first valve cover rib 143 and the second valve seat rib 153 are both provided in the second steam flow blocking condensing chamber 133 and extend toward each other to partition the second steam flow blocking condensing chamber 133 into at least one second steam passage 139. In the present embodiment, two second steam passages 139 are schematically shown, and the two second steam passages 139 are oppositely disposed at both sides of the condensate body 161 (see fig. 10).

Specifically, the valve cover 140 includes a valve cover body 141, and the first valve cover bead 143 is constructed in a straight wall structure extending downward from a lower surface of the valve cover body 141. The second valve seat bead 153 is constructed as a straight wall structure extending upward from the upper surface of the valve seat main body 151. The second steam passages 139 are generally configured in a rectangular parallelepiped shape, and adjacent two of the second steam passages 139 are connected end to end.

As shown in fig. 11, the larger the height H3 of the second steam channel 139, the better the condensing effect, but the too large value of H3 may make the steam valve assembly 130 difficult to clean and difficult to process, and the height of the cover 120 also limits the value of H3. Preferably, 10 mm.ltoreq.H2.ltoreq.50 mm. For example, H3 may be 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm or 50mm. Further preferably, h3=33 mm±0.5mm.

The smaller the width W1 of the second steam passage 139, the better the condensing effect, but the smaller the value of H3, the more difficult the cleaning and the processing of the steam valve assembly 130. Preferably, 16 mm.ltoreq.W1.ltoreq.30mm. For example, H3 may be 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm or 30mm. Further preferably w1=18.6 mm±0.5mm.

Preferably, the upper surface of the second valve seat rib 153 is higher than the lower surface of the first valve cover rib 143, and the distance E4 between the upper surface of the second valve seat rib 153 and the lower surface of the first valve cover rib 143 satisfies: 1 mm.ltoreq.E4.ltoreq.10mm to reduce the possibility that steam in the second steam passage 139 enters the second steam passage 139 adjacent thereto from the gap between the second valve seat bead 153 and the first valve cover bead 143. For example, E4 may be 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, or 10mm. Further preferably, e4=4 mm±0.5mm.

As shown in fig. 5 and 9-11, the steam valve assembly 130 further includes a second seal 183. The second seal 183 is preferably made of a food grade rubber or silicone material. The outer peripheral edge of the valve seat 150 is provided with a valve seat bead 157 extending in the circumferential direction, and the outer peripheral edge of the valve cover 140 is correspondingly provided with a second groove 145 extending in the circumferential direction. The second seal 183 is disposed in the second groove 145 along the circumferential direction of the second groove 145. The free end of the valve seat bead 157 extends into the second groove 145 in the circumferential direction of the second groove 145 and presses the second seal 183 in the circumferential direction of the second seal 183 to fix the second seal 183 in the second groove 145. Accordingly, by providing the second sealing member 183, the second vapor choked flow condensing chamber 133 can be made to be in a sealed state.

As shown in fig. 5 and 9 to 10, the steam-choked flow condensing chamber further includes a second steam hole 172 that communicates the second steam-choked flow condensing chamber 133 with the third steam-choked flow condensing chamber 134, and the second steam hole 172 is provided in the choked flow condenser 160. In the present embodiment, the second steam hole 172 is provided on the condenser main body 161. The second steam hole 172 may be configured as a circular through hole. Preferably, the minimum diameter D1 of the second steam hole 172 satisfies: d1 is more than or equal to 4mm and less than or equal to 10mm. For example, D1 may be 4mm, 5mm, 6mm, 7mm, 8mm, 9mm or 10mm. Further preferably d1=6 mm±0.5mm. It will be appreciated by those skilled in the art that the shape of the second steam hole 172 is not limited to the present embodiment, and the second steam hole 172 may be configured as a through hole of any other suitable shape as needed.

Arrows in fig. 10 schematically illustrate the flow path of the steam entering the second steam-blocking condensing chamber 133 from the first steam hole 171 in the second steam-blocking condensing chamber 133. That is, the steam entering the second steam flow-blocking condensing chambers 133 from the first steam holes 171 passes through each of the second steam passages 139 in turn and finally reaches the second steam holes 172 to enter the third steam flow-blocking condensing chambers 134, so that the convection heat exchange area of the steam is increased and the circulation resistance of the steam is increased in a limited space to increase the convection heat exchange time and heat exchange amount.

The hatched portion in fig. 12 is a structure forming a third vapor block condensation chamber 134, and the third vapor block condensation chamber 134 is disposed in the middle and upper portion of the vapor valve assembly 130. In the present embodiment, the third vapor block condensation chamber 134 is disposed above the first vapor block condensation chamber 132, and the second vapor block condensation chamber 133 is disposed around the third vapor block condensation chamber 134.

As shown in fig. 12-14, the valve cover 140 is provided with at least one second valve cover bead 144. The second cover rib 144 is constructed in an elongated structure extending downward from the lower surface of the cover main body 141. The choke condensate 160 is correspondingly provided with at least one condensate upper rib 164. The condensation upper rib 164 is configured as an elongated structure extending upward from the upper surface of the condensation body 161. The second valve cover rib 144 and the condensate upper rib 164 are both disposed in the third vapor-blocking condensing chamber 134 and extend toward one another to divide the third vapor-blocking condensing chamber 134 into at least one third vapor channel 179. As can be seen from fig. 12, a third steam channel 179 is formed. In the present embodiment, the number of the second valve cover bead 144 and the condensation member upper bead 164 is plural. Four second bonnet ribs 144 and four condensate upper ribs 164 are illustratively shown in FIGS. 12 and 13.

In the present embodiment, the drainage surface 186 is provided in the third vapor blocking condensing chamber 134, and the second vapor holes 172 are provided at the lowest position of the drainage surface 186. Under the action of the drainage surface 186, the condensed water in the third vapor-blocking condensing chamber 134 can bypass the upper rib 164 of the condensing element and finally reach the second vapor hole 172.

In the present embodiment, as shown in fig. 14, in order to avoid accumulation of condensed water on the root of the upper rib 164 of the condenser, the condensed water accumulated in the third vapor blocking condenser chamber 134 is facilitated to enter the second vapor blocking condenser chamber 133 via the second vapor hole 172, and the upper rib 164 of the condenser is disposed at an angle to the width direction of the main body 161 of the condenser. Preferably, the angle A2 between the upper rib 164 of the condensing member and the width direction of the condensing member main body 161 satisfies: a2 Not less than 3 deg. For example, A2 may be 3 °, 4 °, 5 °, 6 °, 7 °, 8 °, 9 °, or 10 °. Specifically, the ribs 164 on two adjacent condensation members are arranged in a splayed manner, and the ribs 144 of two adjacent second valve covers are correspondingly arranged in a splayed manner. To facilitate cleaning of the choke condensate 160, the shortest distance E5 between the ribs 164 on adjacent two condensate meets that E5 is greater than or equal to 5mm. For example, E5 may be 5mm, 6mm, 7mm, 8mm, 9mm or 10mm. Further preferably e5=8.4 mm±0.5mm.

As shown in FIG. 13, the height H4 of the second valve cover bead 144 and the condensate upper bead 164 is not easily too high for ease of cleaning the steam valve assembly 130. Preferably, 0 < H4.ltoreq.10 mm. For example, H4 may be 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm or 10mm. Further preferably, the height H41 of the second valve cover bead 144 satisfies: h41 =8.4 mm±0.5mm, and the height H42 of the rib 164 on the condensing member satisfies: h42 =9.2 mm±0.5mm.

The flow path of steam entering the third steam-flow-blocking condensing chamber 134 from the second steam aperture 172 is schematically illustrated in fig. 12 and 14 in the third steam-flow-blocking condensing chamber 134. That is, the steam entering the third steam choked flow condensing chamber 134 from the second steam hole 172 can pass through the third steam channel 179 and finally reach the steam outlet 136, so that the heat convection area of the steam is increased and the flow resistance of the steam is increased in a limited space, thereby increasing the heat convection time and increasing the heat exchange amount.

According to the cooking appliance 100 of the present utility model, the inventor has confirmed through a plurality of experiments that the effect that no visible steam is discharged during the whole cooking process can be achieved after the high temperature steam in the cooking space is cooled through the first steam flow blocking condensing chamber 132 and the second steam flow blocking condensing chamber 133. In order to further ensure that the cooking appliance 100 is not discharged with steam during operation, the third steam choked flow condensing chamber 134 is provided without adding additional parts and costs, so as to increase the cooling performance margin and further prevent visible steam from being directly discharged to the outside. In addition, because the steam outlet 136 is communicated with the external atmosphere, the third steam choked flow condensing cavity 134 exchanges heat with the external atmosphere, so that the temperature of the steam outlet 136 can be reduced, and the user is prevented from being scalded.

As shown in fig. 5 and 13, the steam valve assembly 130 further includes a third seal 184. The third seal 184 is preferably made of a food grade rubber or silicone material. The choke condensate 160 is provided with a third groove 168 extending in the circumferential direction, the third groove 168 being arranged around the condensate upper rib 164. The third recess 168 is configured as a U-shaped recess open upward. The third seal 184 is disposed in the third groove 168 along the circumferential direction of the third groove 168, and the upper end of the third seal 184 abuts against the lower surface of the cap body 141 of the cap 140, and the cap body 141 compresses the third seal 184 in the third groove 168. Therefore, by providing the third seal 184, the third vapor choked flow condensing chamber 134 can be placed in a sealed state.

As shown in fig. 6 and 15, the valve seat 150 is further provided with a drain 154, the drain 154 being provided at an end of the steam valve assembly 130 near the pivot shaft 116. The drain portion 154 is provided with a drain hole 137, and the drain hole 137 is provided at an end of the steam valve assembly 130 near the pivot shaft 116, and is located at a lowermost position of the steam valve assembly 130, i.e., at a rear end of the valve seat 150, and is located at a lowermost position of the valve seat 150. The drain hole 137 communicates with the second vapor blocking condensing chamber 133. In the present embodiment, the drain hole 137 is located at the lowest position of the steam valve assembly 130, regardless of the state in which the cover 120 is covered on the pot 110, or the state in which the cover 120 is in the open position during the opening of the cover 120. When the cover 120 is opened, condensed water in the first steam-blocking condensing chamber 132 can enter the second steam-blocking condensing chamber 133 through the first steam hole 171, condensed water in the third steam-blocking condensing chamber 134 can enter the second steam-blocking condensing chamber 133 through the second steam hole 172, and condensed water in the second steam-blocking condensing chamber 133 can be discharged through the drain hole 137 located at the lowest position.

The steam valve assembly 130 further includes a drain seal 181. Drain seal 181 is preferably made of a food grade rubber or silicone material. The upper end of the drain seal 181 is connected to the drain 154. As shown in fig. 1 to 2, the pot 110 includes a middle plate 111 at the top, a base 113 at the bottom, and a pot housing 112 disposed between the middle plate 111 and the base 113. The inner pot 115 is disposed inside the pot body case 112 and the middle plate 111, and above the base 113. As shown in fig. 15, when the cover 120 is covered on the pot body 110, the lower end of the drain sealing ring 181 abuts against the middle plate 111. That is, the middle plate 111 can close the drain hole 137, and at this time, condensed water in the steam valve assembly 130 cannot be discharged through the drain hole 137. As shown in fig. 21, when the cover 120 is opened, the drain seal 181 is out of contact with the middle plate 111, so that condensed water in the steam valve assembly 130 can be discharged through the drain hole 137 by gravity to fall onto the middle plate 111.

As shown in fig. 2, 15 and 21, the upper surface of the middle plate 111 is provided with a water storage groove 117, and the water storage groove 117 is provided at one end of the middle plate 111 near the pivot shaft 116 (i.e., at the rear end of the middle plate 111) and extends in the width direction of the middle plate 111. The water reservoir 117 is configured as a recess open upward, and the drain hole 137 is provided corresponding to the water reservoir 117. When the cover 120 is covered on the pot body 110, the lower end of the drain sealing ring 181 abuts against the bottom surface of the water storage groove 117 (see fig. 15). According to the cooking appliance 100 of the present utility model, when the opening and closing angle of the cover 120 is equal to or greater than 45 °, the drain of the condensed water at any portion of the steam valve assembly 130 can be achieved without residue. Therefore, it is possible to realize that condensed water collected in the steam valve assembly 130 does not drip back into the inner pot 115 during the entire cooking process, resulting in white dripping of rice.

Since the condensed water in the steam valve assembly 130 is necessarily discharged every time the user opens the cover 120 to take the meal after cooking is finished, the more the condensed water in the steam valve assembly 130 is prevented from accumulating, and the condensed water is discharged without additional operation of the user.

In addition, the water reservoir 117 may collect condensed water dripping from the detachable cover assembly 124, and the condensed water stored in the water reservoir 117 is convenient for a user to dry or air-dry. In the present utility model, drainage and treatment of condensed water of the steam valve assembly 130 are achieved by using the inevitable conventional operation of the user when using the cooking appliance 100, without adding additional operation of the user, so that drainage thereof has an automation effect, and the drainage structure is simple, which can reduce costs.

As shown in fig. 4 to 5 and 17 to 19, one end of the valve seat 150 is provided with a mounting shaft 158, one end of the valve cover 140 is provided with a fitting portion 146, the other end of the valve cover 140 is provided with a catch 147, the fitting portion 146 is rotatably mounted to the mounting shaft 158 (e.g., caught at the bottom of the mounting shaft 158), and the catch 147 is caught to the outer peripheral edge of the valve seat 150 to mount the valve seat 150 to the valve cover 140.

More specifically, as shown in fig. 19, the hook 147 includes a first hook protrusion 148, and the first hook protrusion 148 is provided at a free end of the hook 147 and is configured as an upwardly extending protrusion. The outer peripheral edge of the valve seat 150 is provided with a valve seat protrusion 159 extending downward, and the first catching protrusion 148 catches to the valve seat protrusion 159. When the valve cover 140 and the valve seat 150 are installed, the hooks 147 are pulled rightward so that the first hook protrusions 148 enter the inner sides of the valve seat protrusions 159 to clamp the first hook protrusions 148 to the valve seat protrusions 159.

As shown in fig. 2, 16 and 18, the liner 123 is provided with liner ribs 126 and liner protrusions 127. The liner stop rib 126 is provided at one end of the liner 123 near the pivot shaft 116, i.e., the rear end of the liner 123. The liner boss 127 is farther from the pivot shaft 116 relative to the liner stop bead 126, that is, the liner boss 127 is closer to the front end of the liner 123 relative to the liner stop bead 126. One end of the steam valve assembly 130 is inserted inside the liner stop rib 126, and the other end of the steam valve assembly 130 is clamped to the liner boss 127 to detachably connect the steam valve assembly 130 to the liner.

Specifically, the underside of the valve seat 150 abuts against the liner stop rib 126, and the catch 147 of the valve cover 140 snaps into engagement with the liner boss 127 to removably connect the steam valve assembly 130 to the liner 123. More specifically, as shown in fig. 20, the hook 147 is provided with a second hook projection 149, and the second hook projection 149 is caught inside the lining projection 127. After the second hook protrusion 149 is clamped to the liner protrusion 127, the whole hook 147 can be subjected to certain compression deformation under the action of the liner protrusion 127, so that the clamping between the first hook protrusion 148 and the valve seat protrusion 159 is firmer, and meanwhile, the clamping between the second hook protrusion 149 and the liner protrusion 127 is firmer.

As shown in fig. 2, 6, 16 and 18, the bottom of the valve seat 150 is provided with a catching groove 155. The catch 155 is disposed at an end of the valve seat 150 proximate the pivot shaft 116. In the present embodiment, one engaging groove 155 is provided on each of both sides of the bottom of the valve seat 150, and the two engaging grooves 155 are provided to face each other. The cover 120 further includes a locking head 125, the locking head 125 being disposed at an end of the liner 123 remote from the pivot axis 116, i.e., a front end of the liner. One end (i.e., the rear end) of the removable cap assembly 124 is inserted into the clamping groove 155, and the other end (i.e., the front end) of the removable cap assembly 124 is clamped to the locking head 125 to detachably connect the removable cap assembly 124 to the liner 123. According to the cooking appliance 100 of the present embodiment, the detachable lid assembly 124 can be installed only after the steam valve assembly 130 is installed in place, otherwise the detachable lid assembly 124 cannot be installed, and thus has an effect of preventing the steam valve assembly 130 from being installed.

As shown in fig. 5 and 7, the cooking appliance 100 further includes an steam inlet gasket 185. The steam inlet gasket 185 is preferably made of a food grade rubber or silicone material. The removable cover assembly 124 is provided with an outlet opening 128. The steam outlet 128 corresponds to the position of the steam inlet 135 and is configured as a circular through hole. One end (specifically, the lower end) of the steam inlet seal ring 185 is disposed on the detachable cover assembly 124 around the circumference of the steam outlet 128, and the other end (specifically, the upper end) of the steam inlet seal ring 185 abuts against the valve seat main body 151 around the circumference of the steam inlet 135 to seal the gap between the steam valve assembly 130 and the detachable cover assembly 124, preventing steam in the cooking space from entering other positions of the cover body 120 through the gap between the steam valve assembly 130 and the detachable cover assembly 124.

Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model pertains. The terminology used herein is for the purpose of describing particular implementations only and is not intended to be limiting of the utility model. Features described herein in one embodiment may be applied to another embodiment alone or in combination with other features unless the features are not applicable or otherwise indicated in the other embodiment.

The present utility model has been described by way of the above embodiments, but it should be understood that the above embodiments are for illustrative and explanatory purposes only and that the utility model is not limited to the above embodiments, but is capable of numerous variations and modifications in accordance with the teachings of the utility model, all of which fall within the scope of the utility model as claimed.

Claims

1. A steam valve assembly for a cooking appliance, the steam valve assembly comprising:

a valve cover;

2. The steam valve assembly of claim 1, wherein the flow-blocking condenser divides the steam cavity into a plurality of flow-blocking steam cavities in communication with each other, the flow-blocking steam cavities including a first flow-blocking steam cavity in communication with the steam inlet, the flow-blocking condenser and the valve seat surrounding the first flow-blocking steam cavity, the water-tight configuration being located in the first flow-blocking steam cavity.

3. The steam valve assembly of claim 2, wherein the valve seat is provided with at least one condensate collection groove disposed in the first steam choked flow condensing chamber and disposed circumferentially about the steam inlet, the choked flow condensing member being correspondingly provided with at least one condensate bottom baffle rib disposed in the first steam choked flow condensing chamber, a free end of the condensate bottom baffle rib extending into a space enclosed by the condensate collection groove and into the condensate collection groove, the steam choked flow condensed by the condensate bottom baffle rib into liquid accumulated in the condensate collection groove such that the liquid floods the free end of the condensate bottom baffle rib to form the water-tight configuration.

4. A steam valve assembly according to claim 3, characterized in that the free end of the condensate lower rib is provided with a plurality of first indentations, the maximum distance E1 between the first indentations and the bottom surface of the condensate collection tank being such that: e1 is more than or equal to 1mm and less than or equal to 5mm.

5. The steam valve assembly of claim 4, wherein the valve seat is provided with at least one first valve seat rib disposed in the first steam-choked-flow condensing chamber and disposed circumferentially about the steam inlet, one of the condensate collection grooves being disposed between each adjacent two of the first valve seat ribs.

6. The steam valve assembly of claim 5, wherein the steam valve assembly,

the first valve seat blocking rib comprises an inner ring valve seat blocking rib forming the steam inlet and an intermediate valve seat blocking rib arranged outside the inner ring valve seat blocking rib,

7. The steam valve assembly of claim 6, wherein the steam valve assembly,

the lower baffle rib of the condensation piece comprises a first lower baffle rib of the condensation piece, the first lower baffle rib of the condensation piece is arranged between the baffle rib of the inner ring valve seat and the baffle rib of the middle valve seat,

8. The steam valve assembly of claim 7, wherein the first valve seat rib comprises an outer ring valve seat rib disposed outside of the intermediate valve seat rib, the choke condensate correspondingly provided with a first groove, the steam valve assembly further correspondingly comprising a first seal disposed in the first groove, a free end of the outer ring valve seat rib extending into the first groove and compressing the first seal.

9. The vapor valve assembly of claim 8, wherein the vapor flow-blocking condensing chamber further comprises a second vapor flow-blocking condensing chamber and at least one first vapor aperture communicating the first vapor flow-blocking condensing chamber with the second vapor flow-blocking condensing chamber, the valve cover, the valve seat, and a peripheral wall portion of the flow-blocking condenser surrounding to form the second vapor flow-blocking condensing chamber, the first vapor aperture disposed at the outer ring valve seat rib.

10. The vapor valve assembly of claim 9, wherein the valve cover is provided with at least one first valve cover rib and the valve seat is correspondingly provided with at least one second valve seat rib, the first valve cover rib and the second valve seat rib each being disposed in the second vapor flow-blocking condensing chamber and extending toward each other to divide the second vapor flow-blocking condensing chamber into at least one second vapor channel, the vapor channel comprising the second vapor channel.

11. The steam valve assembly of claim 10, wherein the steam valve assembly further comprises a valve assembly,

the height H3 of the second steam channel satisfies: 10 mm.ltoreq.H2.ltoreq.50mm, and/or the width W1 of the second steam channel satisfies: w1 is more than or equal to 16mm and less than or equal to 30mm.

12. The steam valve assembly of claim 10, wherein an upper surface of the second valve seat rib is higher than a lower surface of the first valve cover rib, and a distance E4 between the upper surface of the second valve seat rib and the lower surface of the first valve cover rib satisfies: e4 is more than or equal to 1mm and less than or equal to 10mm.

13. The vapor valve assembly of claim 9, wherein the vapor flow-blocking condensing chamber further comprises a third vapor flow-blocking condensing chamber and a second vapor aperture communicating the second vapor flow-blocking condensing chamber with the third vapor flow-blocking condensing chamber, the valve cover and the flow-blocking condenser surrounding to form the third vapor flow-blocking condensing chamber, the second vapor aperture disposed in the flow-blocking condenser.

14. The steam valve assembly of claim 13, wherein the valve cover is provided with at least one second valve cover rib, the flow-blocking condenser is correspondingly provided with at least one condensate upper rib, the second valve cover rib and the condensate upper rib are both disposed in the third steam flow-blocking condensing chamber and extend toward each other to divide the third steam flow-blocking condensing chamber into at least one third steam channel, the steam channel including the third steam channel.

15. The steam valve assembly of claim 14, wherein the steam valve assembly further comprises a valve assembly,

the height H4 of the second valve cover rib and the upper rib of the condensing part meets the following conditions: h4 is more than or equal to 0

10mm, and/or

16. The steam valve assembly of claim 14, wherein the choke condensate comprises a condensate body, the condensate lower rib is configured as an annular structure extending downwardly from the condensate body, the condensate upper rib is configured as an elongated structure extending upwardly from the condensate body, an upper surface of the condensate body is provided with an inclined drainage surface, and the second steam aperture is disposed at a lowermost position of the drainage surface.

17. The steam valve assembly of claim 16, wherein the angle A1 between the drainage surface and the horizontal satisfies: a1 Not less than 1 deg.

18. The steam valve assembly of claim 16, wherein the steam valve assembly further comprises a valve assembly,

the included angle A2 between the upper rib of the condensing part and the width direction of the main body of the condensing part meets the following conditions: a2 3 DEG or more, and/or

19. The steam valve assembly of any one of claims 9 to 18, wherein the valve seat is further provided with a drain hole provided at a lowest position of the steam valve assembly and communicating with the second steam choked flow condensing chamber.

20. A cooking appliance, comprising:

a pot body;

the steam valve assembly of any one of claims 1 to 19, the steam valve assembly being removably connected to the cover,