CN218164882U - Pressure cooking appliance - Google Patents

Abstract

The utility model discloses a pressure cooking utensil belongs to the kitchen appliance field, has solved float adhesion problem, the utility model discloses a pressure cooking utensil, including utensil body, lid and the culinary art chamber that forms by the two cooperation, dispose float valve and discharge valve on the lid, the lid has float chamber and exhaust chamber, the float valve moves with control along with culinary art intracavity pressure change the float chamber with the break-make in culinary art chamber, discharge valve has discharge valve air inlet and discharge valve gas outlet, discharge valve air inlet intercommunication the culinary art chamber, discharge valve gas outlet intercommunication the exhaust chamber, the float chamber with exhaust chamber intercommunication and the two intercommunication position are higher than the discharge valve gas outlet.

Description

Pressure cooking appliance

[ technical field ] A

The utility model relates to a kitchen appliance field especially relates to pressure cooking utensil.

[ background ] A method for producing a semiconductor device

A pressure cooking appliance is a common household appliance, and cooks food materials by generating a high-temperature and high-pressure environment inside, thereby improving the soft and rotten degree of the food materials. The lid of pressure cooking utensil can dispose float valve and discharge valve on, and discharge valve in the exhaust process, some cooking liquid can enter into the lid through discharge valve, is comparatively close to between float valve and the discharge valve usually, and cooking liquid enters into the float valve easily and leads to the float adhesion, influences the up-and-down motion of float.

[ Utility model ] A method for manufacturing a semiconductor device

The utility model aims to solve the technical problem that overcome prior art not enough and provide pressure cooking utensil, solved the float adhesion problem.

In order to solve the technical problem, the utility model adopts the following technical scheme:

pressure cooking utensil, including utensil body, lid and the culinary art chamber that forms by the two cooperation, dispose float valve and discharge valve on the lid, the lid has float chamber and exhaust chamber, the float valve moves with control along with culinary art intracavity pressure variation the float chamber with the break-make in culinary art chamber, discharge valve has discharge valve air inlet and discharge valve gas outlet, discharge valve air inlet intercommunication the culinary art chamber, discharge valve gas outlet intercommunication the exhaust chamber, the float chamber with exhaust chamber intercommunication and the intercommunication position of the two are higher than the discharge valve gas outlet.

On the basis of the scheme, a step part is arranged at a position, higher than the air outlet of the exhaust valve, in the exhaust cavity, and a through hole is formed in the step part and used for communicating the float cavity with the exhaust cavity.

On the basis of the scheme, a first connecting channel extending upwards from the bottom of the exhaust cavity is arranged in the exhaust cavity, and a first connecting port is arranged on the first connecting channel and higher than an air outlet of the exhaust valve and used for communicating the float cavity with the exhaust cavity; or, the float cavity has a second connecting channel, the second connecting channel stretches into in the exhaust chamber, the position that is higher than the discharge valve gas outlet on the second connecting channel sets up the second intercommunication mouth be used for with the float cavity with the exhaust chamber intercommunication.

On the basis of the scheme, a liquid discharge port is further arranged on the exhaust cavity, and the position of the liquid discharge port is lower than the air outlet of the exhaust valve.

On the basis of the scheme, a sealing piece is arranged between the float cavity and the exhaust cavity to realize the sealing communication of the float cavity and the exhaust cavity.

On the basis of the scheme, the cover body comprises an upper cover and an inner cover, the upper cover is provided with a first cover plate, a second cover plate, an exhaust cover and a cover plate sealing ring which are independently assembled, the first cover plate and the exhaust cover are matched and enclosed to form the exhaust cavity, the second cover plate and the cover plate sealing ring are matched and enclosed to form the float cavity, and through holes are formed in the first cover plate and the second cover plate to enable the float cavity to be communicated with the exhaust cavity.

On the basis of the scheme, the inner cover is provided with a mounting hole, the float valve is assembled in the mounting hole, the upper end of the cover plate sealing ring is in sealing fit with the second cover plate, and the lower end of the cover plate sealing ring is in sealing fit with the inner cover around the mounting hole.

On the basis of the scheme, the cover body comprises an upper cover and an inner cover, the exhaust valve comprises an exhaust pipe and a heavy hammer, the exhaust pipe is installed on the upper cover, the lower end of the exhaust pipe penetrates through the inner cover and is provided with the exhaust valve air inlet, the heavy hammer is arranged in the exhaust cavity and is buckled at the upper port of the exhaust pipe, and the exhaust valve air outlet is formed in the bottom of the heavy hammer or between the bottom of the heavy hammer and the exhaust pipe.

On the basis of the scheme, the exhaust pipe is of an integrated structure from the exhaust valve air inlet to the upper port.

On the basis of the scheme, the inner cup is detachably installed on the upper cover, the inner cup is provided with a avoiding hole for the exhaust pipe to run through, an exhaust pipe sealing ring is installed on the avoiding hole, the outer wall of the exhaust pipe is provided with a protruding portion, and the protruding portion and the exhaust pipe sealing ring are axially stopped.

The utility model has the advantages that:

the utility model discloses a pressure cooking utensil, dispose float valve and discharge valve on the lid, at the initial stage of culinary art, culinary art intracavity pressure is less, discharge valve is in airtight state, the steam of culinary art intracavity can enter into the float intracavity, pressure along with the rising of temperature culinary art intracavity rises gradually, the float valve action and seal the float chamber, accomplish the back in the culinary art, steam, culinary art liquid can pass through discharge valve's discharge valve air inlet, the discharge valve gas outlet enters into the exhaust intracavity, and spread in the exhaust intracavity, though the float chamber communicates with the exhaust chamber, but the position of intercommunication is higher than the discharge valve gas outlet and makes culinary art liquid can not enter into the float intracavity, in order to avoid the adhesion of float valve and unable normal work. In addition, the float cavity and the exhaust cavity are communicated, so that the float cavity can exhaust water vapor into the exhaust cavity, and the float cavity does not need to be extended to the upper end surface of the cover body outside the cover body exhausted by the exhaust cavity, the height of the float cavity is shortened, and the space in the cover body is saved.

Furthermore, the position that is higher than the discharge valve gas outlet in the exhaust chamber sets up the step portion, set up the through-hole on the step portion be used for with the float cavity with the exhaust chamber intercommunication. After the step part is arranged, the through hole is higher than the air outlet of the exhaust valve, and the cooking liquid diffused in the exhaust cavity cannot directly enter the float cavity under the blocking effect of the step part.

Furthermore, a first connecting channel extending upwards from the bottom of the exhaust cavity is arranged in the exhaust cavity, and a first connecting port used for communicating the float cavity with the exhaust cavity is arranged on the first connecting channel and higher than the air outlet of the exhaust valve. First interface channel upwards protrudes from the bottom in exhaust chamber, and the first communication opening of setting on first interface channel can be higher than exhaust chamber bottom, and can directly flow in the float intracavity along the exhaust chamber after avoiding culinary art liquid to discharge into the exhaust chamber, and the first communication opening that is higher than the discharge valve gas outlet can prevent that culinary art liquid from directly entering into the float intracavity when discharge valve gas outlet is discharged.

The application still discloses another scheme, the float chamber has the second interface channel, the second interface channel stretches into in the exhaust chamber, the position that is higher than the discharge valve gas outlet on the second interface channel sets up the second intercommunication mouth be used for with the float chamber with the exhaust chamber intercommunication. The second interface channel of float chamber can stretch into the exhaust intracavity in order to communicate with the exhaust chamber, and the intercommunication position of the exhaust chamber of lining up during the assembly and float chamber can be simpler. The second connecting channel is higher than the diapire in exhaust chamber equally, can directly flow into the float intracavity along the exhaust chamber after avoiding culinary art liquid to discharge into the exhaust chamber, and the second intercommunication mouth that is higher than the discharge valve gas outlet can prevent to cook liquid and can directly enter into the float intracavity when discharging from the discharge valve gas outlet.

Furthermore, a liquid outlet is further formed in the exhaust cavity, and the position of the liquid outlet is lower than the air outlet of the exhaust valve. The leakage fluid dram is used for discharging the exhaust chamber with the culinary art liquid in the exhaust chamber to avoid the exhaust intracavity culinary art liquid to remain too much and with the shutoff of discharge valve gas outlet, influence the circulation of steam, can also avoid the exhaust intracavity culinary art liquid level to rise gradually and enter into the float intracavity. The liquid outlet is lower than the air outlet of the exhaust valve so that the cooking liquid in the exhaust cavity flows towards the direction of the liquid outlet, and the discharge speed of the liquid in the exhaust cavity is increased.

Further, a sealing piece is arranged between the float cavity and the exhaust cavity to realize the sealing communication of the float cavity and the exhaust cavity. In pressure cooking utensil's culinary art in-process, the steam in the culinary art intracavity can be discharged to float valve and discharge valve homoenergetic, and float valve and discharge valve are independent structure, and float chamber and discharge chamber also are two independent cavitys, and other positions in the lid can not revealed through the intercommunication position of the two to the steam that makes float chamber, discharge chamber through setting up the sealing member.

Furthermore, the lid includes upper cover and inner cup, the upper cover has independent assembly's first apron, second apron, exhaust lid and apron sealing washer, first apron with the cooperation of exhaust lid encloses into the exhaust chamber, the second apron with the cooperation of apron sealing washer encloses into the float chamber, first apron with set up the through-hole so that the float chamber communicates with the exhaust chamber on the second apron. First apron and second apron are independent structure each other, and the exhaust chamber and the float chamber that enclose only realize the intercommunication through two through-holes, need not worry culinary art liquid and can follow other clearances and enter into the float intracavity.

Further, the inner cover is provided with a mounting hole, the float valve is assembled in the mounting hole, the upper end of the cover plate sealing ring is in sealing fit with the second cover plate, and the lower end of the cover plate sealing ring is in sealing fit with the inner cover around the mounting hole. The mounting hole provided on the inner lid enables the cooking chamber to communicate with the float cavity so that the steam is discharged to the outside through the float valve. The apron sealing washer can seal the float chamber, avoids steam to reveal from the float intracavity and removes the position diffusion of float chamber, exhaust chamber in the lid.

Furthermore, the lid includes upper cover and inner cup, discharge valve includes blast pipe and weight, the blast pipe is installed on the upper cover, the blast pipe lower extreme passes the inner cup and sets up the discharge valve air inlet, the weight is located the exhaust intracavity and the spiral-lock is in the upper port of blast pipe, weight bottom perhaps the weight bottom with set up between the blast pipe discharge valve gas outlet. Discharge valve is when the exhaust, steam leaves behind the blast pipe downward flow under the blockking of weight, just can flow after the bottom of bypassing the weight, can restrict the flow velocity of steam, avoid discharging steam velocity of flow too fast and spray the user on the lid, the weight also can block the culinary art liquid of exhaust blast pipe simultaneously, avoid the higher position of culinary art liquid on the blast pipe to discharge into the exhaust intracavity and can spray the float intracavity, also can reduce the velocity of flow of culinary art liquid simultaneously and make the culinary art liquid can not be in the exhaust intracavity fast diffusion and contact the intercommunication position of float cavity and exhaust chamber.

Furthermore, the exhaust pipe is of an integrated structure from an exhaust valve air inlet to an upper port. The exhaust pipe formed integrally does not have gaps or holes for steam to exhaust except for two end positions, and steam and cooking liquid cannot leak into the cover body except for other positions of the float valve and the exhaust valve in the process of being discharged into the exhaust cavity through the exhaust pipe. Meanwhile, the number of parts of the exhaust valve is reduced, and the assembly difficulty is reduced.

Furthermore, the inner cup is installed detachablely cover on, the hole of dodging that is equipped with the confession blast pipe and runs through is covered to the inner cup, install the blast pipe sealing washer on dodging the hole, the blast pipe outer wall is equipped with the bellying, bellying and blast pipe sealing washer axial backstop. The exhaust pipe sealing ring is used for sealing the avoiding hole and preventing steam and cooking liquid from entering the space between the inner cover and the upper cover through the clearance between the avoiding hole and the exhaust pipe. The exhaust pipe can be kept fixed with the inner cover through the stopping of the bulge part and the exhaust pipe sealing ring, and the installation strength of the inner cover on the upper cover is improved.

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

[ description of the drawings ]

The invention will be further explained with reference to the drawings:

fig. 1 is a schematic structural view of a cover body in an embodiment of the present invention;

fig. 2 is a cross-sectional view of the cover body in the embodiment of the present invention;

fig. 3 is a schematic view of the installation structure of the float valve and the exhaust valve on the cover body in the embodiment of the present invention;

fig. 4 is a schematic structural diagram of a first cover plate in the embodiment of the present invention;

fig. 5 is a sectional view of the first cover plate in the embodiment of the present invention;

fig. 6 is a schematic structural view of a second cover plate in the embodiment of the present invention;

fig. 7 is a sectional view of a second cover plate in an embodiment of the present invention;

FIG. 8 is a schematic view of a connection between a float chamber and an exhaust chamber according to an embodiment of the present invention;

FIG. 9 is a schematic view of another embodiment of the present invention showing the connection between the float chamber and the exhaust chamber;

FIG. 10 is an enlarged schematic view at A in FIG. 3;

FIG. 11 is an enlarged schematic view at B of FIG. 3;

fig. 12 is an enlarged schematic view at C in fig. 3.

Reference numerals are as follows:

a cover body 100, an inner cover 110, an upper cover 120, a first clamping portion 130, a second clamping portion 140;

the float valve 200, the float cavity 210, the second cover plate 220, the cover plate sealing ring 230, the first sealing lip 231, the mounting hole 240 and the clamping part 250;

the exhaust valve 300, an exhaust valve air inlet 301, an exhaust valve air outlet 302, an exhaust cavity 310, a liquid outlet 320, an exhaust pipe 330, a boss 331, a third clamping groove 332, a heavy hammer 340, a first cover plate 350, an avoiding hole 360, an exhaust pipe sealing ring 370, a first clamping groove 371, a second sealing lip 372, an assembling hole 380, an exhaust cavity sealing ring 390 and a second clamping groove 391;

an exhaust cover 400;

the step 500, the boss 510, the seal 511, the first connecting passage 520, the first communicating port 521, the second connecting passage 530, and the second communicating port 531;

a first via 601 and a second via 602.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, those skilled in the art can obtain other embodiments without making creative efforts, which all belong to the protection scope of the present invention.

The appearances of the phrases such as "exemplary," "some embodiments," and the like in the following text are intended to mean "serving as an example, embodiment, or illustration," and any embodiment described as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. While the present invention has been described with reference to certain embodiments, it will be understood by those skilled in the art that the present disclosure may be practiced without some of these specific details.

Referring to fig. 1 to 3, fig. 8, fig. 9, fig. 12, the embodiment of the present invention discloses a pressure cooking appliance, including the apparatus body, lid 100 and the culinary art chamber that forms by the cooperation of the two, dispose float valve 200 and discharge valve 300 on the lid 100, lid 100 has float chamber 210 and exhaust chamber 310, float valve 200 moves with the break-make in control float chamber 210 and culinary art chamber along with the pressure change in the culinary art chamber, discharge valve 300 has discharge valve air inlet 301 and discharge valve gas outlet 302, discharge valve air inlet 301 intercommunication culinary art chamber, discharge valve gas outlet 302 intercommunication exhaust chamber 310, float chamber 210 communicates with exhaust chamber 310 and the intercommunication position of the two is higher than discharge valve gas outlet 302.

The utility model discloses a pressure cooking utensil, dispose float valve 200 and discharge valve 300 on lid 100, at the initial stage of culinary art, culinary art intracavity pressure is less, discharge valve 300 is in airtight state, steam in the culinary art intracavity can enter into float chamber 210, pressure along with the rising of temperature culinary art intracavity rises gradually, float valve 200 moves and seals float chamber 210, after the culinary art is accomplished, steam, culinary art liquid can pass through discharge valve air inlet 301 of discharge valve 300, discharge valve gas outlet 302 enters into exhaust chamber 310, and spread in exhaust chamber 310, although float chamber 210 and exhaust chamber 310 intercommunication, but the position of intercommunication is higher than discharge valve gas outlet 302 and make culinary art liquid can not enter into float chamber 210, in order to avoid the adhesion of float valve 200 and unable normal work. In addition with float chamber 210 and exhaust chamber 310 intercommunication setting, make float chamber 210 can discharge steam into exhaust chamber 320 in, outside lid 100 is discharged to the rethread exhaust chamber 320, need not extend to the up end of lid 100 with float chamber 210, shortened float chamber 210's height, saved the space in the lid 100.

Be equipped with leakage fluid dram 320 on the exhaust chamber 310, leakage fluid dram 320 is used for discharging the culinary art liquid in the exhaust chamber 310 to avoid the culinary art liquid to remain too much in the exhaust chamber 310 and block exhaust valve gas outlet 302, influence the circulation of steam, can also avoid the culinary art liquid level in the exhaust chamber 310 to rise gradually and enter into in the float chamber 210. In order to reduce the liquid accumulation in the exhaust cavity 310 and increase the liquid discharge speed, the liquid discharge port 320 is positioned lower than the air outlet 302 of the exhaust valve, so that the cooking liquid in the exhaust cavity 310 flows towards the liquid discharge port 320 to increase the liquid discharge speed.

In the present application, the cover body 100 is provided with pot teeth, the appliance body is provided with a locking ring, and the pot teeth and the locking ring can be locked with each other to keep the cover body 100 and the appliance body locked. Because can not go on or the clearance is rarely carried out in the lid 100, lead to the inside impurity that exists of lid 100, drain port 320 sets up the position that lies in outside the pot tooth on lid 100, so the back is discharged through drain port 320 to the culinary art liquid in the exhaust chamber 310, flow into outside pot tooth and the lock circle, and can not flow back to the culinary art intracavity, in the edible material of avoiding impurity to sneak into the culinary art intracavity, can set up on the utensil body and receive the water circle, culinary art liquid is collected by receiving the water circle and can not flow out pressure cooking utensil in the culinary art process after being discharged from drain port 320. Of course, other locking structures besides the pot teeth and the locking ring can be adopted.

Exhaust valve 300 includes exhaust pipe 330 and weight 340, weight 340 is disposed in exhaust chamber 310 and fastened to the upper port of exhaust pipe 330, the lower end of weight 340 is close to the bottom wall of exhaust chamber 310, and a certain gap is maintained between weight 330, so that when weight 340 is pushed, steam and cooking liquid discharged from exhaust pipe 330 can enter the gap between weight 340 and exhaust pipe 330, and then enter exhaust chamber 310 through exhaust valve outlet 302, and the lower end of weight 340 is close to the bottom wall of exhaust chamber 310, therefore, there is no fear that weight 340 is separated from exhaust pipe 330, and after the pressure in the cooking chamber drops, weight 340 can be reset under its own gravity and fastened to exhaust pipe 330 again.

An exhaust valve air outlet 302 is arranged between the bottom of the heavy hammer 340 and the exhaust pipe 330, when the exhaust valve 300 exhausts, steam flows downwards under the blocking of the heavy hammer 340 after leaving the exhaust pipe 330, and flows upwards after bypassing the bottom of the heavy hammer 340, so that the flow speed of the steam can be limited, the phenomenon that the flow speed of the steam exhausted from the cover body 100 is too high and the steam is sprayed to a user is avoided, meanwhile, the heavy hammer 340 can also block cooking liquid exhausted from the exhaust pipe 330, the phenomenon that the cooking liquid is exhausted into the exhaust cavity 310 from a higher position on the exhaust pipe 330 and can be sprayed into the float cavity 210 is avoided, and meanwhile, the flow speed of the cooking liquid can be reduced, so that the cooking liquid cannot be rapidly diffused in the exhaust cavity 310 and contact with the communication position of the float cavity 210 and the exhaust cavity 310. Because the exhaust valve outlet 302 is close to the bottom of the exhaust cavity 310, the range of the cooking liquid discharged from the exhaust valve outlet 302 into the exhaust cavity 310 is reduced, and the limit effect on the cooking liquid is further improved. The arrows in fig. 3 indicate the flow direction of the steam.

In addition, the air outlet of the exhaust valve can also be directly arranged at the bottom of the heavy hammer.

Usually, an electric push rod extending into the exhaust cavity is disposed in the lid body, and the electric push rod can push the heavy hammer after cooking is completed, so as to exhaust through the exhaust pipe. The electric push rod arranged in the cover body is the prior art, and is not described in the application. Can set up the hole that supplies the activity of electric putter on the lateral wall in exhaust chamber, the height in hole is also higher than discharge valve gas outlet to avoid the culinary art liquid in the exhaust chamber to reveal through this hole.

Referring to fig. 1 to 7, in an embodiment of the present invention, based on the above-mentioned embodiment, the cover body 100 includes the upper cover 120 and the inner cover 110, the upper cover 120 has the first cover plate 350, the second cover plate 220, the exhaust cover 400 and the cover sealing ring 230 which are independently assembled, the first cover plate 350 and the exhaust cover 400 cooperate to enclose the exhaust cavity 310, the second cover plate 220 and the cover sealing ring 230 cooperate to enclose the float cavity 210, and the first cover plate 350 and the second cover plate 220 are provided with through holes to communicate the float cavity 210 with the exhaust cavity 310.

The first cover plate 350 is fixed to the upper cover 120 in a snap-fit manner, and there is no gap between the first cover plate and the upper cover 120 in the circumferential direction, so that leakage of steam and cooking liquid does not occur. The second cover plate 220 is disposed below the first cover plate 350 and connected to the cover plate gasket 230, and the upper end of the cover plate gasket 230 is hermetically connected to the first cover plate 350 and the lower end is hermetically connected to the inner cover 110 to form a float cavity 210. The first cover plate 350 and the second cover plate 220 are independent structures, the enclosed exhaust cavity 310 and the float cavity 210 are communicated through only two through holes, and cooking liquid does not need to enter the float cavity 210 from other gaps.

Referring to fig. 3, in an embodiment of the present invention, based on the above embodiment, a step portion 500 is disposed at a position higher than the exhaust valve air outlet 302 in the exhaust chamber 310, and a first through hole 601 is disposed on the step portion 500 for communicating the float chamber 210 with the exhaust chamber 310. The step part 500 protrudes from the bottom wall of the exhaust cavity 310, so that the cooking liquid is blocked by the side part of the step part 500 during the diffusion process in the exhaust cavity 310 and cannot directly enter the float cavity 210 through the first through hole 601.

The edge of the side of the first cap plate 350 is recessed inward to form the step 500, and the second cap plate 220 is disposed in the recessed region outside the first cap plate 350, so that the first through hole 601 is disposed higher than the outlet port 302 of the exhaust valve, and an assembly space is provided for the second cap plate 220. The second cover plate 220 is provided with a boss 510, the boss 510 is provided with a second through hole 602, the boss 510 is sleeved with a sealing element 511, the sealing element 511 is abutted against the first cover plate 350, so that the sealing element 511 is clamped between the first cover plate 350 and the second cover plate 220, and the steam in the float cavity 210 and the exhaust cavity 310 cannot leak to other positions in the cover body 100 through the communication positions of the two.

In the above embodiment, it is provided with the electric putter that is used for promoting the weight in the lid, electric putter includes the push rod at least and provides the power part of power for the push rod, and power part sets up the below at first apron, and the lateral part of second apron promptly sets up the sealing member and can also avoid steam, culinary art liquid to contact power part and lead to electric putter to damage, leads to the weight can't open, greatly reduced speed of uncapping.

Referring to fig. 8, in an embodiment of the present invention, unlike the above-mentioned embodiment, a first connecting channel 520 extending upward from the bottom of the exhaust chamber 310 is provided in the exhaust chamber 310, and a first connecting port 521 is provided on the first connecting channel 520 at a position higher than the exhaust valve outlet 302 for communicating the float chamber 210 with the exhaust chamber 310.

The first communication port 521 arranged on the first connection channel 520 can be higher than the bottom of the exhaust chamber 310, so that the cooking liquid can be prevented from directly flowing into the float chamber 210 along the exhaust chamber 310 after being discharged into the exhaust chamber 310, and the cooking liquid can be prevented from directly entering the float chamber 210 when being discharged from the exhaust valve outlet 302 by the first communication port 521 higher than the exhaust valve outlet 302.

The bottom of the first connecting channel 520 is provided with a first through hole 601, the second cover plate 220 is positioned below the first cover plate 350 and is provided with a boss 510, the boss 510 is provided with a second through hole 602, the boss 510 is sleeved with a sealing piece 511, the sealing piece 511 is also abutted against the first cover plate 350, the sealing piece 511 is clamped between the first cover plate 350 and the second cover plate 220, the sealing performance is improved, and leakage of steam in the process of entering the first connecting channel 520 from the float cavity 210 is avoided.

Referring to fig. 9, in an embodiment of the present invention, different from the above embodiment, the second cover 100 has a second connecting channel 530, a first through hole 601 is provided on the bottom wall of the exhaust chamber 310, the second connecting channel 530 extends into the exhaust chamber 310 through the first through hole 601, and a second communicating port 531 is provided on the second connecting channel 530 at a position higher than the exhaust valve air outlet 302 for communicating the float chamber 210 with the exhaust chamber 310.

The second connection passage 530 of the float chamber 210 may extend into the exhaust chamber 310 to communicate with the exhaust chamber 310, and assembly may be easier. The second connecting channel 530 is higher than the bottom wall of the exhaust cavity 310, so that cooking liquid is prevented from directly flowing into the float cavity 210 along the exhaust cavity 310 after being discharged into the exhaust cavity 310, and the cooking liquid can be prevented from directly entering the float cavity 210 when being discharged from the exhaust valve air outlet 302 by the second communicating port 531 higher than the exhaust valve air outlet 302.

The second connection channel 530 is formed by extending the upper end of the second cover 100 upwards, a second through hole 602 is provided at the connection position of the second connection channel 530 and the second cover 100, a sealing member 511 is sleeved on the second connection channel 530, and when the second connection channel 530 is inserted into the first through hole 601, the sealing member 511 can be connected with the first through hole 601 in a sealing manner, so as to prevent steam leakage.

Referring to fig. 3 and 10, in an embodiment of the present invention, based on the above-mentioned embodiment, the mounting hole 240 is provided on the inner cover 110, the float valve 200 is assembled in the mounting hole 240, and the lower end of the cover sealing ring 230 is in sealing fit with the inner cover 110 around the mounting hole 240, so as to prevent the steam from leaking from the float cavity 210 and diffusing at the position of the cover body 100 excluding the float cavity 210 and the exhaust cavity 310.

The cover sealing ring 230 is deformed by being pressed by the second cover 220, so that the lower end of the cover sealing ring 230 is maintained in close contact with the inner lid 110.

The side of the cover plate sealing ring 230 is provided with a first sealing lip 231 protruding outwards, and the first sealing lip 231 is clamped between the second cover plate 220 and the upper cover 120, so as to avoid leakage of the float cavity 210 caused by transverse position change of the cover plate sealing ring 230. In order to prevent the first sealing lip 231 from slipping out from between the second cover body 100 and the upper cover 120, the edge of the first sealing lip 231 is bent upward or downward, the bent portions of the upper cover 120 and the second cover plate 220 corresponding to the first sealing lip 231 are provided with clamping portions 250 protruding in the vertical direction, and the clamping portions 250 of the upper cover 120 and the second cover plate 220 are located on both sides of the bent portion of the first sealing lip 231 in the transverse direction and clamp the bent portion. To firmly fix the cover plate packing 230 between the second cover plate 220 and the inner cover 110.

Referring to fig. 3 and 11, in an embodiment of the present invention, based on the above embodiment, the exhaust pipe 330 is fixedly installed on the upper cover 120, the lower end of the exhaust pipe 330 passes through the inner cover 110 and is provided with the exhaust valve inlet 301, and the exhaust pipe 330 is integrated with the upper port through the exhaust valve inlet 301. The exhaust pipe 330 formed integrally does not have gaps or holes for discharging steam except for two end positions, and steam and cooking liquid do not leak to other positions except for the float valve 200 and the exhaust valve 300 in the cover body 100 in the process of being discharged into the exhaust cavity 310 through the exhaust pipe 330. Meanwhile, the number of parts of the exhaust valve 300 is reduced, and the assembly difficulty is reduced.

Be equipped with on the inner cup 110 and supply the blast pipe 330 to run through dodge hole 360, dodge and install blast pipe sealing washer 370 on the hole 360, the blast pipe 330 outer wall is equipped with bellying 331, bellying 331 and blast pipe sealing washer 370 axial backstop, blast pipe sealing washer 370 is used for sealed dodging hole 360, prevents that steam and culinary art liquid from entering into between inner cup 110 and the upper cover 120 through dodging the clearance between hole 360 and the blast pipe 330. The exhaust pipe 330 can be fixed to the inner lid by stopping the exhaust pipe seal ring 370 with the boss 331, thereby improving the strength of the inner lid 110 mounted on the upper lid 120.

The exhaust pipe sealing ring 370 is provided with a circle of first clamping grooves 371, and the inner cover 110 around the avoiding hole 360 is clamped into the first clamping grooves 371, so that the exhaust pipe sealing ring 370 is mounted on the inner cover 110. Exhaust pipe sealing ring 370 suit is on exhaust pipe 330, and exhaust pipe sealing ring 370's inner circle is provided with two at least rings of second seal lips 372 along the direction of height, and when cooperating with exhaust pipe 330, second seal lips 372 deformation improves sealed effect with the better laminating of exhaust pipe 330, keeps the interval between two adjacent rings of second seal lips 372, for second seal lips 372 provides the space of deformation. Since the second seal lip 372 is formed to be easily deformed due to its small thickness, it is also easier to install the exhaust pipe 330 while penetrating the exhaust pipe seal ring 370.

The raised portion 331 of the exhaust pipe 330 is located below the exhaust pipe sealing ring 370 or between two second sealing lips 372. When the inner lid 110 is removed, the exhaust pipe gasket 370 is deformed by directly applying a force to the inner lid 110, and the exhaust pipe 330 can be separated from the exhaust pipe gasket 370.

Referring to fig. 2, in an embodiment of the present invention, based on the above-mentioned embodiment, the upper cover 120 is further provided with a first clamping portion 130 and a second clamping portion 140, the first clamping portion 130 is clamped with the middle position of the inner cover 110, the second clamping portion 140 is located at the side portion of the first clamping portion 130 and is clamped with the inner cover 110, the first clamping portion 130, the second clamping portion 140 and the exhaust pipe 330 are located on the same straight line, the design can realize three-point positioning of the inner cover 110, the assembling stability of the inner cover 110 is better, the stress balance of the inner cover 110 is ensured, and the inner cover 110 is better prevented from being inclined.

Referring to fig. 3 and 12, in an embodiment of the present invention, based on the above embodiment, the first cover body 100 is provided with a mounting hole 380 through which the exhaust pipe 330 passes, the mounting hole 380 is provided with an exhaust cavity sealing ring 390, and the exhaust cavity sealing ring 390 is used for sealing the mounting hole 380, so that the steam and cooking liquid in the exhaust cavity 310 cannot be leaked through the gap between the mounting hole 380 and the exhaust pipe 330.

The exhaust cavity sealing ring 390 is provided with a circle of second clamping grooves 391, the first cover plate 350 around the assembly hole 380 is clamped into the second clamping grooves 391, the exhaust cavity sealing ring 390 is sleeved on the exhaust pipe 330, the exhaust pipe 330 is provided with third clamping grooves 332, and the inner ring of the exhaust cavity sealing ring 390 is clamped into the third clamping grooves 332. Of course, a clamping groove can be arranged on the inner ring of the sealing ring of the exhaust cavity, and a convex edge clamped into the clamping groove is arranged on the exhaust pipe.

Under the sealing action of exhaust cavity sealing washer, can avoid setting up the power component who provides power for the push rod below first apron to contact steam and culinary art liquid to guarantee that electric putter can normally work.

The bottom wall of the exhaust cavity 310 is provided with a recessed area, and the assembly hole 380 is arranged in the recessed area, so that the exhaust cavity sealing ring 390 is assembled in the recessed area to avoid the exhaust cavity sealing ring 390 from excessively protruding out of the bottom wall of the exhaust cavity 310, and the position of the exhaust valve outlet 302 is excessively high.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims (10)

1. Pressure cooking utensil, including utensil body, lid and the culinary art chamber that forms by the two cooperation, dispose float valve and discharge valve on the lid, its characterized in that, the lid has float chamber and exhaust chamber, the float valve moves with control along with culinary art intracavity pressure variation float chamber with the break-make in culinary art chamber, discharge valve has discharge valve air inlet and discharge valve gas outlet, discharge valve air inlet intercommunication the culinary art chamber, discharge valve gas outlet intercommunication the exhaust chamber, float chamber with exhaust chamber intercommunication and the both intercommunication position are higher than the discharge valve gas outlet.

2. The pressure cooking appliance of claim 1, wherein a step is provided in said exhaust chamber at a position higher than the outlet of said exhaust valve, and a through hole is provided in said step for communicating said float chamber with said exhaust chamber.

3. The pressure cooking appliance of claim 1, wherein said exhaust chamber has a first connecting passage extending upwardly from a bottom thereof, said first connecting passage having a first communicating opening located above an outlet opening of said exhaust valve for communicating said float chamber with said exhaust chamber;

or, the float cavity has a second connecting channel, the second connecting channel stretches into in the exhaust chamber, the position that is higher than the discharge valve gas outlet on the second connecting channel sets up the second intercommunication mouth be used for with the float cavity with the exhaust chamber intercommunication.

4. The pressure cooking appliance of claim 1 wherein said exhaust chamber further defines a drain port, said drain port being positioned below said exhaust valve outlet.

5. The pressure cooking appliance of claim 1 wherein a seal is provided between said float chamber and said exhaust chamber to provide sealed communication therebetween.

6. The pressure cooking appliance of one of claims 1 to 5, wherein said cover body comprises an upper cover and an inner cover, said upper cover having a first cover plate, a second cover plate, an exhaust cover and a cover plate gasket which are assembled separately, said first cover plate and said exhaust cover cooperating to define said exhaust chamber, said second cover plate and said cover plate gasket cooperating to define said float chamber, said first cover plate and said second cover plate having through holes provided therein to communicate the float chamber with the exhaust chamber.

7. The pressure cooking appliance of claim 6, wherein said inner lid has a mounting hole in which said float valve is fitted, said cover gasket having an upper end sealingly engaged with said second cover plate and a lower end sealingly engaged with said inner lid around said mounting hole.

8. The pressure cooking appliance according to any one of claims 1 to 5, wherein said lid body comprises an upper lid and an inner lid, said exhaust valve comprises an exhaust pipe and a weight, said exhaust pipe is mounted on said upper lid, the lower end of said exhaust pipe passes through said inner lid and is provided with said exhaust valve inlet, said weight is disposed in said exhaust chamber and is fastened to the upper end of said exhaust pipe, and said exhaust valve outlet is provided at the bottom of said weight or between the bottom of said weight and said exhaust pipe.

9. The pressure cooking appliance of claim 8, wherein said exhaust duct is a one-piece structure from the exhaust valve inlet to the upper port.

10. The pressure cooking appliance of claim 8, wherein the inner lid is removably mounted to the upper lid, the inner lid having an escape hole for the exhaust pipe to pass through, the escape hole having an exhaust pipe seal ring mounted thereon, the exhaust pipe having a boss on an outer wall thereof, the boss and the exhaust pipe seal ring axially stop.

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