CN214128064U - Cooking utensil - Google Patents

Abstract

The utility model discloses a cooking appliance, which comprises a pot body with a cooking cavity and a pot cover for opening or closing the pot body, wherein the pot cover comprises a lining cover and an inner cover positioned below the lining cover, the pot cover is provided with a defoaming device and an air duct device, the inner cover is provided with an air inlet, the defoaming device blows air into the cooking cavity through the air duct device and the air inlet, the air duct device is provided with a gate, the gate is rotatably arranged in the air duct device through a rotating shaft, and the air inlet is positioned between the rotating shaft and the defoaming device; or the rotating shaft is positioned between the air inlet and the defoaming device. Through opening and shutting of gate control air duct device, the convenience is controlled the culinary art process, can close the gate when need not culinary art, avoids in steam reflux defoaming device, influences defoaming device's life.

Description

Cooking utensil

Technical Field

The utility model belongs to the kitchen appliance field, concretely relates to cooking utensil.

Background

The existing cooking appliances, such as the cooking process of an electric cooker, are generally divided into a preheating and water absorbing stage, a heating stage, a boiling stage, a stewing stage and a heat preservation stage, the electric cooker is easy to generate foams and overflow in the cooking and porridge cooking process, for avoiding the occurrence of the phenomenon, most of the cooking programs of the existing electric cooker select an intermittent heating mode, so as to avoid the risk of overflowing under the condition of long-time heating, but the intermittent heating mode can generate the problem of overlong cooking time, the waiting time of a user is longer, and the user experience is reduced.

There is a cooking utensil among the prior art, through set up the wind channel that can make the air business turn over on the pot cover, during the high power culinary art, opens the wind channel, and during the outside air entered into the culinary art chamber, the bubble that can make the liquid boiling produce broke, lasts the high power heating and eats the material to can subtract short cooking time. However, in the prior art, the inlet air of the cooling air affects the opening and closing effect of the gate in the using process, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

To foretell not enough, the utility model provides a cooking utensil to solve at least one technical problem among the above-mentioned technical problem.

The utility model discloses a realize through following technical scheme:

a cooking utensil comprises a pot body with a cooking cavity and a pot cover used for opening or closing the pot body, wherein the pot cover comprises a lining cover and an inner cover positioned below the lining cover, the pot cover is provided with a defoaming device and an air duct device, the inner cover is provided with an air inlet, the defoaming device blows air into the cooking cavity through the air duct device and the air inlet, the air duct device is provided with a gate, the gate is rotatably arranged in the air duct device through a rotating shaft, and the air inlet is positioned between the rotating shaft and the defoaming device; or the rotating shaft is positioned between the air inlet and the defoaming device.

In an embodiment of the present invention, the direction of the wind blown by the defoaming device is the same as the opening direction of the gate.

The utility model discloses an in one embodiment, interior cover is equipped with the steam valve, the steam valve includes the disk seat, be equipped with the horn mouth passageway that corresponds the air intake on the disk seat, the wind channel device with horn mouth access connection.

In an embodiment of the present invention, a check valve is disposed on the bell mouth channel for allowing the outside air to blow into the cooking cavity and preventing the steam in the cooking cavity from flowing into the bell mouth channel.

In an embodiment of the present invention, the check valve includes a through hole on the valve seat and a sealing member disposed on the through hole and capable of moving up and down.

In an embodiment of the present invention, the sealing member includes an upper sealing surface, a lower sealing surface and a connecting section connecting the upper and lower sealing surfaces, the connecting section passes through the through hole, and the cross section of the connecting section is smaller than the through hole, and the areas of the upper and lower sealing surfaces are all larger than the area of the through hole.

In an embodiment of the present invention, when the cooking cavity generates steam, the lower sealing surface seals the through hole, so that the steam cannot overflow from the through hole.

In an embodiment of the present invention, the pot cover is further provided with a detection device for detecting the opening and closing of the gate.

The utility model discloses an in one embodiment, be equipped with the air outlet on the inner cup, the fire fighting equipment bloies and gets into the culinary art cavity from the air intake, the steam that the culinary art cavity produced is discharged from the air outlet.

In an embodiment of the present invention, the air inlet is located at the center of the inner cover, and the air outlet surrounds the air inlet.

Since the technical scheme is used, the utility model discloses the beneficial effect who gains does:

1. the air inlet is positioned between the rotating shaft and the defoaming device. After the defoaming device bloies, cooling air can get into in the culinary art cavity through the air intake earlier in air duct device, through the pivot again, and be connected with the gate in the pivot, the flow direction of wind can be changed to the gate, and the promotion cooling wind flows into in the air intake. Also can be that the pivot is located between air intake and the fire fighting equipment, and the fire fighting equipment bloies earlier through the gate of opening, and rethread air intake gets into in the culinary art cavity, through opening and shutting of gate control air duct device, conveniently controls the culinary art process, can close the gate when need not culinary art, avoids in steam reflux to the fire fighting equipment, influences fire fighting equipment's life.

2. The blowing direction of the defoaming device is the same as the opening direction of the gate. By the design, the gate can be prevented from being closed due to self gravity, so that the gate is kept in an open state. The cooling air can exert acting force on the gate in the process of blowing into the cooking cavity, so that the opening of the gate is promoted, and meanwhile, the driving force required by the motor can be saved.

3. The bell mouth channel is provided with a one-way valve, cooling air is ensured to enter the cooking cavity through the one-way valve, and steam in the cooking cavity can be prevented from flowing back into the air duct device.

Drawings

FIG. 1 is a schematic view of a cooking appliance according to an embodiment;

FIG. 2 is a schematic view of an exemplary inner cap;

FIG. 3 is a cross-sectional view of an inner cap according to one embodiment;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is a schematic view of a lid of an embodiment;

FIG. 6 is a schematic view of a face cover according to an embodiment;

FIG. 7 is a schematic view of a lid of the lid with the opening of the air duct device in one embodiment;

FIG. 8 is a schematic view of a lid of the lid with the air duct device closed according to an embodiment;

FIG. 9 is a schematic view of an embodiment of an opening of an air duct device;

FIG. 10 is a schematic view of an embodiment of an air duct apparatus;

FIG. 11 is a schematic view of an embodiment of an air duct assembly;

FIG. 12 is an enlarged view of a portion of FIG. 7;

FIG. 13 is an exploded view of an embodiment of an air duct assembly;

FIG. 14 is an exploded view of the inner lid and steam valve of one embodiment;

FIG. 15 is a cross-sectional view of the inner cover and steam valve installation in one embodiment.

Reference numerals:

the boiler body 1, the lining cover 2, the temperature measuring part 21, the sealing ring 22, the mounting part 221, the upper lip 222, the lower lip 223, the motor 24, the inner cover 3, the temperature measuring hole 31, the air inlet 32, the air outlet 33, the grid rib 34, the surface cover 4, the air inlet bulge 41, the fixing part 411, the through hole 412, the mounting hole 42, the top surface cover 43, the side surface cover 44, the surface cover air outlet 45, the defoaming device 5, the baffle plate 51, the air duct device 6, the gate 61, the rotating shaft 62, the detection device 63, the steam valve 7, the valve seat 71, the bell mouth channel 72, the check valve 73, the upper sealing surface 731, the lower sealing surface 732, the connecting section 733, the valve cover 74, the air inlet 75, the air outlet 76, the blocking rib 77 and the connecting rib 78.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

The embodiment provides a cooking appliance, as shown in fig. 1-3, which includes a pot body 1 having a cooking cavity, and a pot cover for opening or closing the pot body, wherein the pot cover includes a lining cover 2 and an inner cover 3 located below the lining cover, a defoaming device 4 is arranged on the pot cover, a ventilation area communicated with the cooking cavity is arranged on the inner cover 3, a temperature measuring hole 31 for a temperature measuring member to pass through is further arranged on the inner cover 3, and the temperature measuring hole 31 is located in an area outside the ventilation area. The inner pot body is internally provided with an inner container, the inner container is internally used for placing food materials to be cooked, and the inner cover and the inner container cover to form a cooking cavity. Because the temperature measuring hole 31 is positioned outside the ventilation area, the temperature measuring precision of the temperature measuring piece can be prevented from being influenced by the air inlet and outlet of the ventilation area, so that the temperature in the cooking cavity can be accurately measured, and the influence of external air flow is reduced. The temperature measurement piece controls heating power by detecting the temperature of the cooking cavity, and the temperature measurement piece is located outside the ventilation area, so that accurate temperature measurement can be ensured.

In this embodiment, the distance between the temperature measuring hole 31 and the ventilation area is greater than 5 mm. Thereby reducing the influence of the ventilation area on the temperature measurement.

In this embodiment, the ventilation area comprises an air inlet 32 and an air outlet 33, and the defoaming device comprises a fan (not shown in fig. 3), which blows air from the air inlet 32 into the cooking cavity, and steam generated in the cooking cavity is discharged from the air outlet 33, as indicated by the arrow in fig. 3. When specific culinary art, when the culinary art cavity boils, in order to avoid the edible material in the culinary art cavity to spill over, blow through the fan and get into in the culinary art cavity, can avoid edible material to spill over, so can last big heating by fire to can shorten the culinary art time.

In this embodiment, referring to fig. 2 and 3, the intake vent 32 is located at the center of the inner lid, and the outlet vent 33 is disposed around the intake vent 32. When the extension blows, make the cooling air blow in the culinary art cavity from the inner cup center, can reach the best cooling effect, the culinary art cavity is heated the steam that produces and can be followed air outlet 33 and discharged the culinary art cavity. When cooling air blows into the cooking cavity from the center of the inner cover, bubbles which are boiled fall, so that the bubbles on the periphery rise, the air outlet 33 is arranged around the air inlet 32, and the rising bubbles can be just discharged out of the cooking cavity from the air outlet 33.

In this embodiment, a temperature measuring member 21 is fixed on the lining cover 2, and the temperature measuring member 21 extends to the lower surface of the inner cover 3 through the temperature measuring hole 31. The temperature measuring part 21 extends to the lower surface of the inner cover, so that the temperature in the cooking cavity can be accurately detected, and the purpose of accurately controlling cooking is achieved. The temperature measuring part 21 is used for being electrically connected with a main control unit of the cooking utensil, and the main control unit controls heating according to a temperature measuring signal of the temperature measuring part 21.

In this embodiment, the temperature measuring part 21 is provided with a sealing ring 22 in the circumferential direction, and at least a part of the sealing ring extends to the lower surface of the inner cover 3 through the temperature measuring hole 31. The sealing ring 22 has a wrapping effect on the temperature measuring part 21, and can prevent air flow in a ventilation area from blowing onto the temperature measuring part 21, so that the temperature measuring precision is influenced. In this embodiment, because there is the air inlet in the ventilation zone outside culinary art cavity or air-out culinary art cavity for ventilation zone's air flow rate is very fast, and the temperature that leads to ventilation zone below can change greatly, and the temperature measurement piece of this embodiment is located outside the ventilation zone, can reduce the influence of business turn over wind to the temperature measurement, and is further, the sealing washer has the parcel effect to temperature measurement piece 21, can reduce the influence of ventilation zone's business turn over wind to the temperature measurement more.

In this embodiment, referring to fig. 3, the lowest point of the temperature measuring member 21 is not higher than the lowest point of the sealing ring. The lowest point of the temperature measuring piece 21 can be fully contacted with the inner space of the cooking cavity, so that the temperature measuring precision and sensitivity of the temperature measuring piece 21 are improved.

In the present embodiment, referring to fig. 4, the seal ring 22 includes a mounting portion 221, an upper lip 222, and a lower lip 223, the mounting portion 221 being mounted on the inner lid 3, and the lower lip 223 extending to the inner lid lower surface. When the temperature measuring device is installed, the installation part 221 is matched and sleeved on the temperature measuring hole 31, so that the sealing ring 22 is fixed. And the lower lip 223 extends to the lower surface of the inner cover to partially cover the temperature measuring part 21 in the horizontal direction, thereby reducing the blowing of the air flow in the ventilation area to the temperature measuring part 21. Referring to fig. 4, the temperature measuring hole 31 of the inner cap of this embodiment has a folded edge, and the folded edge is fixed to the mounting portion 221 in a matching manner, so that the inner cap is prevented from scratching the sealing ring 22. The mounting portion 221 of this embodiment is formed as a mounting groove, and the edge of the temperature measuring hole 31 on the inner lid extends into the mounting groove, so that the sealing ring is fixed on the inner lid, and since the sealing ring is made of a flexible material, such as silicone rubber or rubber, and has a certain deformation amount, the sealing ring 22 can be detached or mounted by means of its deformation.

In this embodiment, the upper lip 222 is an interference fit with the liner cover for sealing the gap between the inner lid 3 and the liner cover. The steam in the cooking cavity is prevented from entering a gap between the inner cover and the lining cover through the temperature measuring hole.

The pot cover of the embodiment is hinged on the pot body 1, and the temperature measuring hole 31 is positioned on one side far away from the hinged position. By the design, the influence of the size precision of the temperature measuring hole 31 on the installation of the inner cover is conveniently reduced. When the inner cover is installed, the temperature measuring part 21 penetrates through the temperature measuring hole 31, if deviation occurs, the installation of the inner cover is blocked, particularly, the size error of the temperature measuring hole 31 still exists, and because the temperature measuring hole 31 is arranged far away from the hinged part, when the inner cover is installed, one end of the inner cover close to the hinged part is firstly fixed on the lining cover, and the other end of the inner cover is fixed with the lining cover through the movable buckle, the error allowed by the temperature measuring hole 31 can be larger. In this embodiment, the sealing ring 22 and the temperature measuring member 21 are in interference fit, and can also play a role in assisting in fixing the inner cover 3.

Example two

This embodiment provides a cooking utensil, including the pot body that has the culinary art cavity to and be used for opening or the lid closes the pot cover of the pot body, refer to fig. 5 and fig. 6, the pot cover includes face lid 4, lining lid 2 and is located the inner cup 3 of lining lid below, be equipped with fire fighting equipment 5 on the pot cover, fire fighting equipment 5 and blow and get into the culinary art cavity, it is equipped with air inlet bellying 41 to correspond fire fighting equipment on the face lid 4. Can fully absorb external cold wind through air inlet bellying 41, rethread fire fighting equipment 5 is leading-in the culinary art cavity for fire fighting equipment 5 has good defoaming effect. The convex surface cover 4 surface of the air inlet convex part 41 is arranged, so that external cold air around the air inlet convex part 41 can enter the air inlet convex part 41 quickly in time and is utilized by the defoaming device 5. Preferably, the height of the air inlet protrusion 41 is not less than 20 mm, so as to extend to the surface cover to fully absorb the external cold air.

In this embodiment, referring to fig. 5 and 7, the face cover 4 is provided with a mounting hole 42, and the air inlet protrusion 41 is fixed in the mounting hole 42. The air inlet protrusion 41 is fixed by the mounting hole 42, so that the molding of the face cover 4 can be facilitated. Moreover, the air inlet convex part 41 can be made of a material different from that of the surface cover, for example, the air inlet convex part 41 can be made of a transparent piece, so that the product grade is improved. Of course, in other embodiments, the air inlet protrusion may be integrally formed on the surface cover, so that the installation process may be simplified.

In this embodiment, referring to fig. 6, the surface cover 4 includes a top surface cover 43 and a side surface cover 44, and the air inlet protrusion 41 is provided with a fixing portion 411, and the fixing portion 411 is clamped between the top surface cover 43 and the side surface cover 44. The fixing portion 411 of this embodiment is formed by a flange formed at the bottom of the air inlet protrusion 41, and when the top cover 43 is mounted on the side cover 44, the flange is clamped by the two, so that the air inlet protrusion 41 is fixed. It can be understood that the area of the flange is larger than the area of the mounting hole 42, and during mounting, the air inlet protrusion 41 penetrates through the mounting hole 42 from bottom to top, so that the air inlet protrusion 41 is limited in the vertical direction.

In this embodiment, referring to fig. 6, the air inlet protrusion includes a protrusion top wall and a protrusion side wall, and a through hole 412 is formed on the protrusion side wall. During cooking, cooling air around the through holes 412 can enter the pot cover through the through holes 412 and is guided into the cooking cavity by the defoaming device, so that the purposes of overflow prevention and quick cooking are achieved. Preferably, the top wall of the protrusion is a closed top wall, and no through hole is arranged, so that dust or dirt can be prevented from entering the face cover from the top. The through holes 412 of this embodiment are a plurality of meshes, which can also prevent the dirt from entering the surface cover to some extent.

In this embodiment, referring to fig. 5, the defoaming device 5 includes a fan, and a baffle 51 surrounding the fan is further disposed on the pot cover. Through baffle 51 around the fan setting, can improve the utilization efficiency of cold wind, improve the work efficiency of fan, avoid the fan to receive the influence of the inside air current of pot cover for the fan can be high-efficient absorption come from the cold wind of air inlet bellying 41. In other embodiments, the defoaming device 5 may be a fan, and the fan absorbs the external cooling air and guides the cooling air into the pot cover.

In this embodiment, referring to fig. 7, an air duct device 6 is disposed between the liner cover 2 and the inner cover 3, one end of the air duct device is communicated with the defoaming device 5, and the other end of the air duct device is communicated with the cooking cavity. The utilization efficiency of the defoaming device can be improved through the air duct device 6, so that cold air can move along a fixed path. The defoaming device 5 absorbs the cold air of the air inlet convex part 41, and the cold air enters the cooking cavity through the air duct device 6, so that the disordered flowing of the cold air is avoided.

In this embodiment, the face cover is provided with a face cover air outlet 45 for discharging steam in the cooking cavity, and the distance between the face cover air outlet 45 and the air inlet protruding portion 41 is greater than 10 mm. So set up, can reduce face lid gas outlet 45 exhaust steam and get into the culinary art cavity through air inlet bellying 41 again, and reduce cooling efficiency. During specific application, can set up through-hole 412 in the side that air inlet bellying 41 deviates from face lid gas outlet 45, and then seal the setting in the side that corresponds face lid gas outlet 45 to can greatly reduced exhaust steam get into the inside possibility of air inlet bellying 41 again, ensure that the inspiratory external air of air inlet bellying 41 is the cooling air of the lower temperature. It can be understood that the steam valve is further arranged on the inner cover and comprises a valve seat and a valve cover, the valve seat and the valve cover form a valve cavity, an air inlet communicated with the cooking cavity and the valve cavity is formed in the valve seat, an air outlet communicated with the valve cavity and the outside is formed in the valve cover, and the air outlet and the face cover air outlet 45 are correspondingly arranged, so that steam exhausted by the steam valve is exhausted to the outside through the face cover air outlet 45.

The working principle of the cooking utensil in the embodiment is as follows: in the culinary art in-process, especially the in-process of cooking or cooking congee, because bottom heating device heats the culinary art cavity, the culinary art cavity is when being heated the boiling, can produce a large amount of rice water or foam, upwards overflow, and in order to avoid overflowing among the prior art, can reduce heating power, lead to the culinary art time to lengthen, and in this embodiment at the boiling stage, through breaking bubble device 5 leading-in external cold wind, get into air duct device 6 in from air inlet bellying 41, reentrant in the culinary art cavity for the rice water or the foam that upwards overflow can sink, consequently can last big heating by fire, thereby shorten the culinary art time. In this embodiment, the air inlet 32 is located in the central area of the inner cover, so that the rice water at the center can sink, the air outlet 33 is arranged around the air inlet, and part of the boiling rice water or steam can enter the valve cavity of the steam valve from the air outlet 33, be broken in the valve cavity and then be discharged from the air outlet 45 of the dough cover.

EXAMPLE III

This embodiment provides a cooking utensil, including the pot body that has the culinary art cavity to and be used for opening or the lid closes the pot cover of the pot body, the pot cover includes the lining lid and is located the inner cup of lining lid below, be equipped with fire fighting equipment 5 on the pot cover, be equipped with air duct set 6 between lining lid and the inner cup, 6 one end intercommunication fire fighting equipment of air duct set, other one end intercommunication culinary art cavity refer to 9-11, air duct set 6 can dismantle the setting on lining lid 2. The air duct device 6 is detachably arranged, and can be conveniently detached and cleaned. Air duct device 6 is in the use, probably has a small amount of rice water to get into wherein, causes air duct device 6 to block up, influences the air-out effect, and through setting to detachable construction, convenience of customers dismantles the washing, ensures the normal use that lasts of air duct device function, improves the life of product.

In this embodiment, referring to fig. 11, an installation groove is formed in the lining cover 2, and the air duct device 6 is fixed in the installation groove. Through setting up the mounting groove, can reduce the high space of pot cover. The mounting groove can also be convenient for fixing the air duct device 6, and the air duct device is prevented from moving in the horizontal direction.

In the present embodiment, referring to fig. 9, 10, 11 and 13, the air duct device 6 is provided with a shutter 61, the lining cover is provided with a motor 24, and the motor 24 drives the shutter 61 to open and close. The gate 61 is rotatably arranged on the air duct device 6 through a rotating shaft. Fig. 9 shows an open state of the air duct device 6, in which the defoaming device 5 can introduce external cold air into the cooking cavity, and fig. 10 shows a closed state of the air duct device, in which no external cold air enters, and certainly, no steam generated by the cooking cavity can enter the air duct device 6. So when specific culinary art, at the initial stage, gate 61 is closed, culinary art cavity temperature rises gradually, when the temperature rises to about 100 ℃, because be in boiling stage back in the culinary art cavity, the temperature is difficult to continue to rise again, at this moment because the culinary art cavity begins the boiling, a large amount of bubbles produce, temperature measurement piece 21 is detecting the temperature and is not continuously rising in the settlement time, the judgement has got into the boiling stage, consequently, can control motor 24 and rotate and open gate 61, and control fire fighting equipment work, in leading-in cold wind gets into the culinary art cavity, make the interior foam of culinary art cavity reduce, thereby can continue high-power heating, also can make the interior rice water of culinary art cavity can fully roll. Of course, when the temperature measuring unit 21 detects that the temperature is close to the set temperature of boiling (for example, 95 ℃), the control gate 61 may be opened and the defoaming device 5 may be operated.

In this embodiment, referring to fig. 11, one end of the air duct device is fixed to the lining cover by a snap, and the other end is connected to the driving shaft of the motor 24 by a rotating shaft 62. It can be understood that the motor 24 is fixed on the lining cover 2, the motor 24 needs to be wired and powered, and is inconvenient to detach, and the rotating shaft 62 is connected with the driving shaft of the motor, so that the function of fixing the air duct device can be achieved. Further, when the air duct device 6 is detached from the lining cover, the rotating shaft 62 is separated from the driving shaft of the motor. Thus, the motor 24 cannot be detached together with the air duct device, and the wiring and the electrifying of the motor are facilitated. In this embodiment, referring to fig. 9 and 10, the driving shaft of the motor 24 has a mounting hole thereon and an opening in one direction, so that the rotating shaft 62 is mounted to the driving shaft through the opening from a direction perpendicular to the rotating shaft, and the air duct device 6 is easily separated from the motor 24.

It will be appreciated that the inner cover 3 is removably mounted on the liner cover. When specifically using, when needs wash, can dismantle inner cup 3 earlier, dismantle air duct device 6 from the lining lid again and come out, it is further, air duct device 6 can also include wind channel seat and wind channel lid, the wind channel lid with the setting can be dismantled to the wind channel seat. Therefore, the inner cover, the air duct device, the air duct cover and the air duct base can be disassembled for cleaning.

In this embodiment, referring to fig. 7, a steam valve 7 is disposed on the inner cover 3, and the air duct device 6 is located above the steam valve 7. The steam valve 7 is closer to the inner cover relative to the air duct device, and can conveniently collect steam in the cooking cavity.

In this embodiment, referring to fig. 7, the steam valve includes a valve seat 71, the inner cover 3 is provided with an air inlet 32, the valve seat 71 is provided with a bell mouth channel 72 corresponding to the air inlet, the bell mouth channel is communicated with the air duct device 6, and the air inlet of the defoaming device is diffused into the cooking cavity below the inner cover 3. Through the horn mouth passageway, can diffuse in the culinary art cavity to the air inlet. When the cooling air passes through the horn mouth passageway, the passageway widen gradually, and the wind speed of cooling air is slowed down, but the cross-sectional area of cooling air obtains increasing, can be better cool off the culinary art cavity, and the wind speed slows down and can avoid high-speed wind to blow to make obvious swirl appear in the middle of the liquid level when culinary art cavity, and other regional formations splash.

Example four

In this embodiment, a specific structure of the air duct device is described, and with reference to fig. 7 and 8, the inner lid is provided with an air inlet 32, the defoaming device blows air into the cooking cavity through the air duct device 6 and the air inlet 32, the air duct device is provided with a gate 61, the gate is rotatably disposed in the air duct device through a rotating shaft 62, and the air inlet 32 is located between the rotating shaft 62 and the defoaming device 5. After the defoaming device 5 blows air, the cooling air firstly passes through the air inlet 32 in the air duct device 6 and can enter the cooking cavity, and then passes through the rotating shaft 62, the rotating shaft 62 is connected with a gate, the flow direction of the air can be changed by the gate 61, and the cooling air is promoted to flow into the air inlet 32.

In other embodiments, referring to fig. 9-11, the shaft 62 may be located between the air inlet 32 and the defoaming device 5. Defoaming device bloies earlier through the gate of opening, and in rethread air intake got into the culinary art cavity, through opening and shutting of gate control air duct device, the convenience was controlled the culinary art process, can close the gate when need not culinary art, avoids in steam reflux defoaming device, influences defoaming device's life.

In this embodiment, the plane of the air inlet 32 is higher than the plane of the air outlet 33. By the design, the path from the steam in the cooking cavity to the air inlet 32 is lengthened, so that the steam in the cooking cavity can be reduced to be discharged from the air inlet 32, and the steam is promoted to be discharged from the air outlet 32.

In this embodiment, referring to fig. 7, the air blowing direction of the defoaming device 5 is the same as the opening direction of the shutter 61. By such a design, the shutter 61 can be prevented from being closed by its own weight, so that the shutter 61 is kept in the open state. The cooling air can exert acting force on the gate in the process of blowing into the cooking cavity, so as to promote the opening of the gate 61 and save the driving force required by the motor. Referring also to fig. 9, the direction of the air blown by the bubble removing device 5 is the same as the opening direction of the shutter 61. Under gate 61 open mode, defoaming device 5 can blow the cooling wind and flow in the wind channel device, and when gate 61 opened inadequately, defoaming device 5 bloied and can assist and open the gate completely.

In this embodiment, referring to fig. 7 and 12, the inner cover is provided with a steam valve 7, the steam valve includes a valve seat, the valve seat is provided with a bell mouth passage 72 corresponding to the air inlet, and the air duct device is connected to the bell mouth passage. After passing through the air duct device 6, the cooling air enters the cooking cavity from the bell mouth channel.

In the present embodiment, the steam valve 7 covers the ventilation area. Specifically, the steam valve 7 covers the air inlet 32 and the air outlet 33 on the inner cover, external cooling air passes through the steam valve body through the bell mouth passage 72 and enters the cooking cavity, and steam generated by the cooking cavity enters the valve cavity of the steam valve through the air outlet 33 and is discharged to the outside. Because be provided with the ventilation zone on the inner cup, lead to the intensity weak of inner cup, and through set up steam valve 7 on this ventilation zone, improved the intensity of inner cup for the inner cup is difficult for taking place deformation. It will be appreciated that the inner cover is a metal inner cover, preferably a 304 stainless steel inner cover, and the steam valve is a plastic cover, both of which are secured by screws.

In this embodiment, referring to fig. 7 and 12, the bell-mouth passage is provided with a one-way valve 73 for allowing the outside air to blow into the cooking cavity and preventing the steam in the cooking cavity from flowing into the bell-mouth passage. Through the structure of the one-way valve 73, external cooling air can enter the cooking cavity, and steam in the cooking cavity is difficult to flow into the channel, so that the reliability of the product is ensured.

With continued reference to fig. 7 and 12, the one-way valve 73 includes a bore in the valve seat and a seal disposed in the bore that is movable up and down.

Referring to fig. 12, the sealing member includes an upper sealing surface 731, a lower sealing surface 732, and a connection section 733 connecting the upper and lower sealing surfaces, the connection section passing through the penetration hole, and the connection section 733 having a smaller cross-section than the penetration hole, and the upper and lower sealing surfaces each having an area larger than that of the penetration hole. So set up for the sealing member can be in the perforation activity from top to bottom, and when broken bubble device 5 bloied and get into the culinary art cavity, the sealing member was located the below, as the state shown in fig. 12, goes up sealed face laminating disk seat, but the area of going up sealed face is less than the region of going up the air inlet on the disk seat, makes cold wind can get into the horn mouth passageway and further gets into in the culinary art cavity. When steam is generated in the cooking cavity, the lower sealing surface seals the through hole, so that the steam cannot overflow from the through hole. At this time, the sealing ring is located above, and at this time, the lower sealing surface 732 is attached to the valve seat, so that the air inlet area is completely shielded, and the steam cannot flow back into the air duct device 6 from the air inlet.

In order to ensure the safety of the use, referring to fig. 13, in this embodiment, a detection device 63 for detecting the opening and closing of the shutter 61 is further provided on the pot cover. In the embodiment, the detection device is a microswitch, and the gate touches the touch of the microswitch in the opening or closing process, so that an opening or closing signal is generated, and the main control unit of the cooking appliance can control heating according to the signal. The detecting device 63 may be another displacement sensor or a ball switch.

In this embodiment, an air outlet 33 is formed in the inner cover, the defoaming device 5 blows air from the air inlet 32 into the cooking cavity, and steam generated by the cooking cavity is discharged from the air outlet 33. Preferably, the air inlet 32 is located at the center of the inner cover, and the air outlet 33 is disposed around the air inlet 32. So set up, can have better defoaming effect.

EXAMPLE five

This embodiment describes a steam valve on the inner lid. The steam valve of this embodiment is fixed on the inner cover, refer to fig. 14 and 15, the steam valve includes valve seat 71 and valve cover 74, valve seat 71 and valve cover 74 form the valve chamber, be equipped with the air inlet 75 that communicates culinary art cavity and valve chamber on the valve seat, be equipped with intercommunication valve chamber and external gas outlet 76 on the valve cover, it is equipped with fender muscle 77 to correspond the gas outlet on the valve seat 71. Through keeping off muscle 77 and corresponding gas outlet 76 setting, can increase the steam and buckle the route, play the effect of defoaming, avoid the foam to dash the gas outlet 76 and spill over. After entering the valve cavity from the air outlet 76, the steam flows in the valve cavity and is discharged to the outside from the air outlet 76, and the blocking rib 77 is arranged at the air outlet, so that the effects of blocking and breaking bubbles can be achieved, and the steam is promoted to flow upwards along the blocking rib 77.

In this embodiment, the valve cover 74 is provided with a protrusion 741, the air outlet 76 is provided on the protrusion, and the rib 77 extends into the protrusion. The flow path of the steam can be increased through the convex part 741, the baffle rib 77 extends into the convex part, and the steam in the valve cavity can go upwards along the baffle rib after meeting the baffle rib 77 and is discharged through the air outlet 76 on the convex part. Due to the arrangement of the protruding portion 741, the height of the blocking rib 77 is not limited by the height of the valve cavity main body, and the air outlet 76 on the protruding portion 741 can be arranged corresponding to the air outlet 45 of the surface cover, so that the steam can be discharged out of the cooking utensil through the air outlet of the surface cover.

In this embodiment, be equipped with air intake 32 on the inner cup 3, be equipped with the bellmouth passageway 72 that corresponds the air intake on the disk seat, bellmouth passageway 72 is used for diffusing the culinary art cavity of inner cup below with external air inlet.

In this embodiment, referring to fig. 14 and 15, the bell-mouth passage 72 is sealingly connected at its lower end to the valve seat 71 and at its upper end to the valve cover 74, forming a passage isolated from the valve chamber. The lower end of the bell-mouth passage 72 is integrally formed on the valve seat 71. The bellmouth passage 72 is located in the middle of a valve chamber which surrounds the bellmouth passage. Cold air guided by the bubble breaking device is diffused into the cooking cavity through the bell mouth channel 72, so that the boiling foam of the cooking cavity can be cooled and broken, and overflow is avoided. When the cooking cavity is heated to generate steam, the steam can be discharged into the valve cavity of the steam valve through the air outlet 33 on the inner cover, the steam flows in the valve cavity and meets the barrier ribs 77 to flow towards the air outlet 76, and finally the steam is discharged to the outside from the air outlet of the face cover. The horn mouth passage and the valve cavity of the embodiment are mutually isolated, and the horn mouth passage is arranged on the inner cover, so that the space of the inner cover can be saved.

In this embodiment, a seal ring is provided between the valve seat 71 and the inner lid 3. When the valve seat 71 and the inner lid 3 are fixed together, the seal ring is sandwiched therebetween. The sealing performance of the valve cavity can be ensured by arranging the sealing ring. When the valve seat 71 and the inner cover 3 are fixed, the inner cover is provided with a groove, the valve seat is provided with a bulge, and the bulge extends into the groove during assembly, so that the valve seat 71 and the inner cover 3 are pre-positioned, the valve seat and the inner cover are fixed by screwing, and the sealing ring is clamped between the valve seat 71 and the inner cover.

In this embodiment, the inner lid 3 is provided with an air outlet 33, the air outlet 33 is a plurality of divided outlet grid holes corresponding to the steam valves, and the outlet grid holes are disposed corresponding to the air inlets 75. When the valve seat is fixed on the inner cover, the air outlet 33 corresponds to the air inlet 75, so that the valve cavity can be communicated with the cooking cavity, and steam in the cooking cavity can sequentially penetrate through the air outlet 33 on the inner cover and the air inlet on the valve seat to enter the valve cavity.

During specific work, a fan blowing air to the cooking cavity is arranged on the pot cover, the inner cover is provided with the air inlet 32, the valve seat 71 is provided with a horn mouth channel 72 corresponding to the air inlet 32, the horn mouth channel is used for diffusing air inlet of the fan into the cooking cavity below the inner cover, and the air outlet grid hole is used for discharging steam generated in the cooking cavity into the valve cavity and then discharging the steam out of the air outlet.

In this embodiment, referring to fig. 2, 14 and 15, the inner cover is provided with a plurality of divided outlet grid holes corresponding to the steam valve, grid ribs 34 are provided between the outlet grid holes, the steam valve includes a valve seat and a valve cover, the valve seat is provided with connecting ribs 78 corresponding to the plurality of outlet grid holes, and the connecting ribs 78 are correspondingly connected with the grid ribs 34. Through setting up a plurality of air outlet grid holes of cutting apart, can have broken bubble effect, reduce the overflow of foam. The grid ribs 34 between the air outlet grid holes can play a role in blocking foam, and the connecting ribs 78 are correspondingly arranged on the valve seat, so that the strength of the valve seat can be improved, and the grid ribs 34 of the inner cover are prevented from deforming.

In this embodiment, referring to fig. 15, the grid ribs 34 at least partially surround the connecting ribs 78. Due to the design, the grid ribs 34 are metal pieces on the inner cover and arranged around the connecting ribs 78, cleaning can be facilitated, and water stains are prevented from entering gaps between the grid ribs 34 and the connecting ribs 78.

It is to be understood that those of ordinary skill in the art may combine with each other to obtain further embodiments without conflict. For example, the temperature measuring structure of the first embodiment may be applied to other embodiments, the air inlet protrusion of the second embodiment may be applied to other embodiments, the air duct device of the third embodiment may be applied to other embodiments, the gate structure of the fourth embodiment may be applied to other embodiments, the steam valve structure of the fifth embodiment may be applied to other embodiments, and these embodiments may be mutually overlapped or combined to obtain further embodiments.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (10)

1. A cooking utensil comprises a pot body with a cooking cavity and a pot cover used for opening or closing the pot body, wherein the pot cover comprises a lining cover and an inner cover positioned below the lining cover; or the rotating shaft is positioned between the air inlet and the defoaming device.

2. The cooking appliance of claim 1, wherein the defoaming device blows air in the same direction as the opening direction of the shutter.

3. The cooking utensil of claim 1 wherein the inner lid has a steam valve thereon, the steam valve includes a valve seat having a flared passage thereon corresponding to the air inlet, and the air duct assembly is connected to the flared passage.

4. The cooking appliance of claim 3, wherein the flared passage is provided with a one-way valve for allowing ambient air to enter the cooking cavity while preventing steam from flowing into the flared passage.

5. The cooking appliance of claim 4, wherein the one-way valve comprises a perforation in the valve seat and a seal disposed on the perforation that is movable up and down.

6. The cooking appliance of claim 5, wherein the sealing member comprises an upper sealing surface, a lower sealing surface and a connecting section connecting the upper and lower sealing surfaces, wherein the connecting section passes through the perforation hole, and the connecting section has a smaller cross section than the perforation hole, and the upper and lower sealing surfaces each have an area larger than the area of the perforation hole.

7. The cooking appliance of claim 6, wherein the lower sealing surface seals the perforations when steam is generated by the cooking cavity so that the steam cannot escape from the perforations.

8. The cooking appliance according to claim 1, wherein the lid further comprises a detection device for detecting the opening and closing of the shutter.

9. The cooking appliance of claim 1, wherein the inner lid has an air outlet, the defoaming device blows air from the air inlet into the cooking cavity, and steam generated in the cooking cavity is exhausted from the air outlet.

10. The cooking appliance of claim 9, wherein the air inlet is centrally located within the inner lid and the air outlet is disposed around the air inlet.

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