Safe pressurizing cooking device

Abstract

The utility model discloses a safe pressurizing cooking device which comprises a box body, an inner container, a water tank and a steam generator, one end of the steam generator is communicated with the water tank, the other end of the steam generator is communicated with the inner container, the water tank is further communicated with the bottom of the inner container through a first pipeline, and an evaporation disc is arranged at the bottom of the inner container. An inner safety door capable of being opened and closed is arranged in the center of a door frame of the box body, an outer door body is arranged on the outer side, corresponding to the inner safety door, of the door frame of the box body, a pressure release valve communicated with a cooking cavity of the inner container is arranged on the box body, and the safety of the cooking cavity can be guaranteed by additionally arranging the inner safety door and the pressure release valve. In other words, the double-door-body arrangement is adopted, and the problem that the pressurizing cooking device is opened by a user by mistake or a single door body is easily jacked open by internal pressure can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of cooking devices, in particular to a safe pressure cooking device. Background Art

[0002] Existing cooking devices include ovens, steamers or integrated steamers and ovens. Ovens heat food by circulating hot air formed in the inner cavity of an inner pot. Specifically, a hot air blower is installed on the back of the inner pot, and a hot air baffle is arranged on the rear side of the inner cavity of the inner pot. The hot air baffle has an air inlet and an air outlet, and forms a hot air chamber with the back plate of the inner pot. The fan blades of the hot air blower are located in the hot air chamber, and a back heating pipe is arranged around the outer periphery of the fan blades. Steamers steam and bake food in the inner pot by using high-temperature steam generated by a steam generator or by using high-temperature steam generated by an evaporation plate at the bottom of the inner pot.

[0003] In order to cook food faster and more deliciously, the researchers integrated the steam generator and the evaporator into the same cooking device. The steam generator and the evaporator work simultaneously to achieve the purpose of pressurization. At this time, the internal pressure of the working cooking device is high, which will cause the door to be pushed open by the high pressure, affecting the health of the user. Furthermore, if the user accidentally opens the door, the high-pressure steam in the inner tank will quickly escape, posing a hidden danger to the user's health. Summary of the invention

[0004] The utility model aims to provide a safe pressure cooking device, which can ensure the safety of a cooking chamber by adding an inner safety door and a pressure relief valve.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions: a safe pressure cooking device, comprising a box body, an inner pot, a water tank and a steam generator, one end of the steam generator is connected to the water tank, the other end of the steam generator is connected to the inner pot, the water tank is also connected to the bottom of the inner pot through a first pipeline, an evaporation plate is provided at the bottom of the inner pot, an openable and closable inner safety door is provided at the center of the door frame of the box body, an outer door body is provided on the outer side of the door frame of the box body corresponding to the inner safety door, and a pressure relief valve connected to the cooking chamber of the inner pot is provided on the box body.

[0006] Furthermore, a condensing device is provided between the inner tank and the box body, and the condensing device includes a fan and a condensing chamber surrounded by a frame, an air inlet is provided on the rear side of the condensing chamber, and an air outlet is provided on the front side of the condensing chamber. The fan is arranged on the rear side of the air inlet of the condensing chamber, and the pressure relief valve is connected to the condensing chamber through a second pipeline relative to the other side of the inner tank.

[0007] Furthermore, a condensation basin is provided in the condensation chamber, the pressure relief valve is connected to the lower end of the condensation basin through a second pipeline, and a through hole connecting the inner cavity of the condensation basin and the condensation chamber is provided at the upper end of the condensation basin.

[0008] Furthermore, a safety valve is provided on the box body, one end of the safety valve is connected to the cooking chamber of the inner pot, and the other end of the safety valve is connected to the condensation chamber.

[0009] Furthermore, the steam generator is connected to the cooking chamber of the inner pot through a third pipeline, and a check valve is provided on one side of the first pipeline and the third pipeline corresponding to the inner pot.

[0010] Furthermore, the door frame of the box body is provided with an inner step panel, and a receiving cavity is formed between the outer panel of the door frame and the inner step panel. The inner safety door can be opened and closed in the receiving cavity, and the inner step panel is provided with a sealing ring arranged in a ring shape along the inner tank channel.

[0011] Furthermore, a hot air chamber is formed between the inner tank back plate and the box body, and a heating pipe and a circulating fan are arranged in the hot air chamber. A ventilation area formed by a plurality of ventilation holes is arranged at a position of the inner tank back plate corresponding to the hot air chamber.

[0012] Furthermore, a pressure sensor extending into the inner pot is installed on the box body, a display screen is provided on the front panel of the box body, and a control unit electrically connected to the pressure sensor and the display screen is provided between the box body and the inner pot. The display screen is used to display the pressure value of the inner pot cooking cavity in real time.

[0013] In summary, the utility model has the following beneficial effects:

[0014] The safe pressure cooking device of the present invention can ensure the safety of the cooking chamber by adding an inner safety door and a pressure relief valve. That is to say, the utility model adopts a double door arrangement, which can solve the problem that the pressure cooking device is opened by mistake by the user or a single door is easily pushed open by the internal pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is a structural schematic diagram of the inner safety door of the utility model.

[0017] Figure 3 It is a structural schematic diagram of the condensing device of the utility model.

[0018] Figure 4 It is a schematic diagram of the installation structure of the pressure relief valve of the utility model.

[0019] Figure 5 It is a schematic diagram of the installation structure of the check valve of the utility model.

[0020] Figure 6 It is a structural schematic diagram of the check valve of the utility model.

[0021] In the figure: 10, box body; 11, pressure relief valve; 12, second pipeline; 13, safety valve; 14, check valve; 15, door frame; 151, inner step panel; 152, outer panel; 20, inner tank; 21, evaporation plate; 30, water tank; 31, first pipeline; 40, steam generator; 41, third pipeline; 50, inner safety door; 60, outer door body; 70, condensing device; 71, fan; 72, condensing chamber; 73, air inlet; 74, air outlet; 75, condensing basin. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings.

[0023] like Figure 1-6 As shown, a safe pressurized cooking device is provided, which may be an oven, a steamer or an all-in-one steamer and oven, the cooking device comprising a housing 10, an inner pot 20, a water tank 30 and a steam generator 40, one end of the steam generator 40 is connected to the water tank 30, the other end of the steam generator 40 is connected to the inner pot 20, the water tank 30 is also connected to the bottom of the inner pot 20 through a first pipe 31, a solenoid valve is provided between the water tank 30 and the first pipe 31 or on the first pipe 31, an evaporation pan 21 is provided at the bottom of the inner pot 20, that is, one of the branches of the outlet of the water tank 30 is connected to the steam generator 40, and the other branch is connected to the solenoid valve and the first pipe 31 to enter the bottom of the inner pot 20, the water flowing to the bottom of the inner pot 20 through the first pipe 31 will be heated by the evaporation pan 21 to form high-temperature steam, and the cooking device of the utility model achieves the purpose of pressurization by the steam generator 40 and the evaporation pan 21 working simultaneously.

[0024] An openable and closable inner safety door 50 is provided at the center of the door frame 15 of the box body 10. For example, the inner safety door 50 is rotatably installed on the door frame 15. A safety lock is provided on the opening and closing side of the inner safety door 50. The door frame 15 is provided with a lock groove at a position corresponding to the safety lock. The door frame 15 of the box body 10 is provided with an outer door body 60 at the outer side corresponding to the inner safety door 50. A pressure relief valve 11 connected to the cooking chamber of the inner pot 20 is provided on the box body 10. When the cooking device is working, the pressure relief valve 11 is closed. When the cooking device completes the work, the pressure relief valve 11 is opened.

[0025] A condensation device 70 is provided between the inner tank 20 and the box body 10, and the condensation device 70 includes a fan 71 and a condensation chamber 72 surrounded by a frame, an air inlet 73 is provided on the rear side of the condensation chamber 72, and an air outlet 74 is provided on the front side of the condensation chamber 72. The diameter of the air inlet 73 of the condensation chamber 72 is larger than the diameter of the air outlet 74, which is conducive to blowing the cooled gas or gas-liquid mixture to the outside. The front side panel of the box body 10 is provided with an avoidance space corresponding to the position of the air outlet 74, so that the high-temperature steam is discharged to the outside through the air outlet 74 after condensation.

[0026] The fan 71 is arranged at the rear side of the air inlet 73 of the condensation chamber 72, and the fan 71 is preferably a cross-flow fan 71. The pressure relief valve 11 is connected to the condensation chamber 72 through the second pipeline 12 relative to the other side of the inner pot 20. After the cooking device completes the work, the high-temperature steam in the cooking chamber of the inner pot 20 is discharged into the condensation chamber 72 through the pressure relief valve 11, and the wind discharged by the cross-flow fan 71 is condensed and discharged to the outside. Further, a condensation basin 75 is arranged in the condensation chamber 72, and the pressure relief valve 11 is connected to the lower end of the condensation basin 75 through the second pipeline 12. The upper end of the condensation basin 75 is provided with a through hole connecting the inner cavity of the condensation basin 75 and the condensation chamber 72. The upper end of the condensation basin 75 is inclined upward from the rear side to the front side, and the condensation basin 75 is provided with an upper end panel, and the upper end panel is provided with a plurality of through holes.

[0027] The box body 10 is provided with a safety valve 13, one end of the safety valve 13 is connected to the cooking chamber of the inner pot 20, and the other end of the safety valve 13 is connected to the condensation chamber 72. The safety valve 13 is arranged at the upper end of the box body 10. Through the arrangement of the safety valve 13, it can effectively prevent the inner pot 20 from being damaged due to excessive pressure in the cooking chamber of the inner pot 20.

[0028] The steam generator 40 is connected to the cooking chamber of the inner pot 20 through the third pipeline 41. The first pipeline 31 and the third pipeline 41 are provided with a check valve 14 on one side corresponding to the inner pot 20. The check valve 14 in the utility model is a structure with a gradually decreasing diameter.

[0029] The door frame 15 of the box body 10 is provided with an inner step panel 151, and a accommodating cavity is formed between the outer panel 152 of the door frame 15 and the inner step panel 151. The inner safety door 50 is openably and closably arranged in the accommodating cavity. The inner step panel 151 is provided with a sealing ring arranged in an annular shape along the channel of the inner liner 20. The outer door body 60 is arranged on the outer side of the inner safety door 50. Specifically, the outer door body 60 fits with the outer panel 152 of the door frame 15 when closed.

[0030] A hot air chamber is formed between the back plate of the inner tank 20 and the box body 10, and a heating pipe and a circulating fan 71 are arranged in the hot air chamber. A ventilation area formed by a plurality of ventilation holes is arranged at a position of the back plate of the inner tank 20 corresponding to the hot air chamber. This structure is a prior art of baking ovens and will not be described in detail in the present utility model.

[0031] A pressure sensor extending into the inner pot 20 is installed on the box body 10, and a display screen is provided on the front panel of the box body 10. A control unit electrically connected to the pressure sensor and the display screen is provided between the box body 10 and the inner pot 20. The display screen is used to display the pressure value of the cooking cavity of the inner pot 20 in real time. When the pressure value in the cooking cavity is lower than the set value, the display screen displays a signal that the door can be opened at this time.

[0032] In summary, the utility model has the following beneficial effects:

[0033] The safety pressure cooking device of the present invention can ensure the safety of the cooking chamber by adding an inner safety door 50 and a pressure relief valve 11. That is to say, the present invention adopts a double door setting, which can solve the problem that the pressure cooking device is accidentally opened by the user or a single door is easily pushed open by the internal pressure.

[0034] The above description is only a preferred embodiment of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A safe pressure cooking device, comprising a housing (10), an inner pot (20), a water tank (30) and a steam generator (40), wherein one end of the steam generator (40) is connected to the water tank (30), and the other end of the steam generator (40) is connected to the inner pot (20), the water tank (30) is also connected to the bottom of the inner pot (20) through a first pipeline (31), and an evaporation plate (21) is provided at the bottom of the inner pot (20), characterized in that: An openable and closable inner safety door (50) is provided at the center of the door frame (15) of the box body (10); an outer door body (60) is provided on the outer side of the door frame (15) of the box body (10) corresponding to the inner safety door (50); and a pressure relief valve (11) connected to the cooking chamber of the inner pot (20) is provided on the box body (10).

2. A safe pressure cooking device according to claim 1, characterized in that: A condensation device (70) is provided between the inner tank (20) and the housing (10), and the condensation device (70) comprises a fan (71) and a condensation chamber (72) surrounded by a frame, an air inlet (73) is provided on the rear side of the condensation chamber (72), and an air outlet (74) is provided on the front side of the condensation chamber (72), the fan (71) is arranged on the rear side of the air inlet (73) of the condensation chamber (72), and the pressure relief valve (11) is connected to the condensation chamber (72) via a second pipeline (12) on the other side of the inner tank (20).

3. A safe pressure cooking device according to claim 2, characterized in that: A condensation basin (75) is provided in the condensation chamber (72), the pressure relief valve (11) is connected to the lower end of the condensation basin (75) through a second pipeline (12), and a through hole connecting the inner cavity of the condensation basin (75) and the condensation chamber (72) is provided at the upper end of the condensation basin (75).

4. A safe pressure cooking device according to claim 2, characterized in that: The box body (10) is provided with a safety valve (13), one end of the safety valve (13) is connected to the cooking chamber of the inner pot (20), and the other end of the safety valve (13) is connected to the condensation chamber (72).

5. The safe pressure cooking device according to claim 1, characterized in that: The steam generator (40) is connected to the cooking chamber of the inner pot (20) via a third pipeline (41), and a check valve (14) is provided on one side of the first pipeline (31) and the third pipeline (41) corresponding to the inner pot (20).

6. The safe pressure cooking device according to claim 1, characterized in that: The door frame (15) of the box body (10) is provided with an inner step panel (151), and a receiving cavity is formed between an outer panel (152) of the door frame (15) and the inner step panel (151), and the inner safety door (50) is openably and closably arranged in the receiving cavity, and a sealing ring is provided on the inner step panel (151) and is arranged in an annular manner along the channel of the inner liner (20).

7. A safe pressure cooking device according to any one of claims 1 to 6, characterized in that: A hot air chamber is formed between the back plate of the inner liner (20) and the box body (10), and a heating pipe and a circulating fan (71) are provided in the hot air chamber. A ventilation area formed by a plurality of ventilation holes is provided at a position of the back plate of the inner liner (20) corresponding to the hot air chamber.

8. The safe pressure cooking device according to claim 7, characterized in that: A pressure sensor extending into the inner pot (20) is installed on the box body (10), a display screen is provided on the front panel of the box body (10), and a control unit electrically connected to the pressure sensor and the display screen is provided between the box body (10) and the inner pot (20), and the display screen is used to display the pressure value of the cooking chamber of the inner pot (20) in real time.

Images