A cooking device for multi-stage pressure full boiling cooking

Abstract

The utility model discloses a cooking device for multi-stage pressure full boiling cooking, which includes an upper cover assembly, a valve assembly, a sealing cone, a first elastic member, a compression rod and a driving mechanism, wherein the valve assembly is arranged on the upper cover assembly and forms a valve inner cavity, an air hole is arranged at the bottom of the valve assembly, the air hole communicates with the valve inner cavity and the cooking cavity inside the cooking device, the sealing cone is arranged in the valve inner cavity and seals the air hole, one end of the first elastic member is connected to the compression rod, and the other end is connected to the sealing cone, a slide groove is arranged inside the compression rod, the slide groove passes through the bottom wall of the compression rod, the sealing cone is slidably arranged in the slide groove up and down, the driving mechanism is arranged on the upper cover assembly, the driving mechanism is used to drive the compression rod to move downward, and the first elastic member is used to drive the compression rod to move upward. The utility model can realize at least two-stage pressure full boiling cooking by controlling the driving mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen appliances, in particular to a cooking device for multi-stage pressure full boiling cooking. Background Art

[0002] Pressure cookers cook through high temperature and high pressure, shortening the time spent on cooking food and greatly improving cooking efficiency, so they are widely used.

[0003] The exhaust valve of the pressure cooker is a core component of the pressure cooker. Its main purpose is to ensure that the pressure inside the pressure cooker is within a specific pressure range to avoid safety accidents caused by excessive pressure in the pressure cooker. The exhaust valve is installed on the lid of the pressure cooker, and the lid is provided with an exhaust valve core for the exhaust valve to be installed. Once the air pressure in the pressure cooker is too high and is enough to lift the exhaust valve upward, the steam in the pot will be discharged from the exhaust valve core and the exhaust valve to achieve the purpose of pressure relief.

[0004] During the exhaust process of the exhaust valve, the air pressure in the pressure cooker needs to overcome the downward force F of the exhaust valve. For the most primitive pressure cooker, F downward pressure is the gravity G of the exhaust valve, and the gravity G of the exhaust valve is a constant value. Correspondingly, F downward pressure is also a constant value, and the exhaust pressure of the exhaust valve is a constant value.

[0005] However, as people's living standards improve, their requirements for material life are becoming more and more stringent, and they also have higher requirements for pressure cookers. For example, they need pressure cookers to have several different cooking pressures, so that different pressures can be used to cook different foods, or during the cooking process of the same food, pressure switching can be performed to achieve exhaust boiling effects to improve the taste of the food. At present, there are generally two types of rice cookers on the market: pressure-free cooking and pressure cooking. Pressure cooking is all single-pressure boiling cooking, and it is impossible to achieve two-stage or multi-stage full-boiling cooking. Utility Model Content

[0006] The utility model aims to provide a cooking device for multi-stage pressure full boiling cooking, so as to solve the technical problem that the pressure cooker in the prior art can only adopt single pressure stage boiling cooking.

[0007] The utility model provides a cooking device for multi-stage pressure full boiling cooking, comprising an upper cover assembly, a valve assembly, a sealing cone, a first elastic member, a compression rod and a driving mechanism, wherein the valve assembly is arranged on the upper cover assembly and forms a valve inner cavity, an air hole is arranged at the bottom of the valve assembly, the air hole communicates with the valve inner cavity and the cooking cavity inside the cooking device, the sealing cone is arranged in the valve inner cavity and seals the air hole, one end of the first elastic member is connected to the compression rod, and the other end is connected to the sealing cone, a first guide hole is arranged inside the compression rod, the sealing cone is slidably arranged in the first guide hole up and down, the driving mechanism is arranged on the upper cover assembly, the driving mechanism is used to drive the compression rod to move downward, and the first elastic member is used to drive the compression rod to move upward.

[0008] In the cooking device for multi-stage pressure full boiling cooking as described above, the compression rod and the first elastic member are both arranged in the valve cavity, and a through hole is provided on the top of the valve assembly, and the top of the compression rod passes through the through hole.

[0009] As described above, the cooking device for multi-stage pressure full boiling cooking, the upper cover assembly is provided with a cover shell, the cover shell and the upper cover assembly are combined to form an air cavity, the valve assembly is arranged in the air cavity, and the valve inner cavity is communicated with the air cavity, the cover shell is provided with an exhaust port for exhausting the air cavity, the cover shell is provided with a through hole, the cover shell is provided with an elastic connecting piece, the elastic connecting piece is sealed on the through hole, and the driving mechanism is used to drive the elastic connecting piece to elastically deform downward to drive the compression rod to move downward.

[0010] As described above, the cooking device for multi-stage pressure full boiling cooking, the driving mechanism includes a movable rod, a rocker arm and a driving assembly, the driving assembly is arranged on the upper cover assembly, the rocker arm is rotatably connected to the upper cover assembly, a pressure plate is provided on the upper cover assembly, the bottom of the movable rod is in contact with the elastic connecting piece, a second guide hole is provided on the pressure plate, the movable rod is arranged in the second guide hole for sliding up and down, and the driving assembly is used to drive the rocker arm to rotate and squeeze the movable rod to slide downward.

[0011] In the cooking device for multi-stage pressure full boiling cooking as described above, the swing arm has a first rotating arm and a second rotating arm, the first rotating arm is used to rotate and squeeze the movable rod to slide downward, and the second rotating arm is drivingly connected to the driving assembly.

[0012] As described above, in the cooking device for multi-stage pressure full boiling cooking, the driving assembly is provided with a telescopic rod, the second rotating arm is provided with at least one slide groove, the telescopic rod is provided with at least one slider, and the slider is slidably arranged in the slide groove.

[0013] As described above, the cooking device for multi-stage pressure full boiling cooking, the second rotating arm is provided with two spaced-apart protrusions, the two side walls opposite to the two protrusions are each provided with a slide groove, the telescopic rod is provided with two sliders, the two sliders are respectively arranged on the left and right sides of the telescopic rod, and the two sliders are respectively slidably connected to the two slide grooves.

[0014] As described above, in the cooking device for multi-stage pressure full boiling cooking, a rotating shaft is provided on the side walls away from each other of the two protrusions, two vertical plates arranged at intervals are provided on the pressure plate, the rocker arm is arranged between the two vertical plates, and the two rotating shafts are rotatably connected to the two vertical plates respectively.

[0015] The cooking device for multi-stage pressure full boiling cooking as described above, further comprises a second elastic member, a support portion extending toward the periphery is provided on the side wall of the sealing cone, one end of the second elastic member is connected to the top wall of the valve inner cavity, and the other end is connected to the top wall of the support portion, and the second elastic member squeezes the support portion.

[0016] In the cooking device for multi-stage pressure full boiling cooking as described above, a sealing gasket is provided at the bottom of the sealing cone, and a convex portion extending downward is provided at the bottom of the sealing gasket, and the convex portion extends into the air hole.

[0017] Implementing the embodiments of the present utility model will have the following beneficial effects:

[0018] In the utility model, when the driving mechanism is started, the driving mechanism drives the compression rod to move downward, the compression rod squeezes the first elastic member, increases its compression amount, and the first elastic member squeezes the sealing cone, so that the downward force on the sealing cone becomes larger, and the pressure in the cooking cavity must reach a larger value to push open the sealing cone so that the sealing cone is separated from the pores on the valve assembly, thereby realizing high-pressure boiling cooking. By controlling the driving mechanism, at least two-stage pressure full boiling cooking can be achieved. When the driving assembly is closed, the sealing cone loses the force applied by the driving mechanism, so that the downward force on the sealing cone becomes smaller, and only a small pressure in the pot is needed to push the sealing cone upward to open the pores, thereby realizing low-pressure boiling cooking. By controlling the driving mechanism, at least two-stage pressure full boiling cooking can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1is a top view of a cooking device for multi-stage pressure full boiling cooking according to an exemplary embodiment;

[0021] Figure 2 When the cooking device is low pressure cooking Figure 1 The cross-sectional view of line AA in the figure;

[0022] Figure 3 yes Figure 2 A partial enlarged view of part A in FIG.

[0023] Figure 4 When the cooking device is for high pressure cooking Figure 1 The cross-sectional view of line AA in the figure;

[0024] Figure 5 yes Figure 4 A partial enlarged view of part B in FIG.

[0025] Figure 6 is a schematic diagram of the internal structure of a cooking device for multi-stage pressure full boiling cooking according to an exemplary embodiment;

[0026] Figure 7 is a schematic structural diagram of a swing rod according to an exemplary embodiment.

[0027] Wherein: 1. upper cover assembly; 11. cover shell; 111. air cavity; 12. elastic connecting member; 2. valve assembly; 21. air hole; 22. valve inner cavity; 23. through hole; 3. sealing cone; 31. supporting part; 32. sealing gasket; 4. rocker arm; 41. first rotating arm; 42. second rotating arm; 421. protrusion; 422. slide groove; 5. driving assembly; 51. telescopic rod; 511. slider; 6. compression rod; 61. first guide hole; 7. movable rod; 8. second elastic member; 9. first elastic member; 10. pressure plate; 101. vertical plate. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0033] See also Figure 1-Figure 7The utility model provides a cooking device for multi-stage pressure full boiling cooking, comprising an upper cover assembly 1, a valve assembly 2, a sealing cone 3, a first elastic member 9, a compression rod 6 and a driving mechanism. The valve assembly 2 is arranged on the upper cover assembly 1 and forms a valve inner cavity 22. An air hole 21 is arranged at the bottom of the valve assembly 2. The air hole 21 communicates with the valve inner cavity 22 and the cooking cavity inside the cooking device. The sealing cone 3 is arranged in the valve inner cavity 22 and seals the air hole 21. One end of the first elastic member 9 is connected to the compression rod 6, and the other end is connected to the sealing cone 3. A first guide hole 61 is arranged inside the compression rod 6. The first guide hole 61 passes through the bottom wall of the compression rod 6. The sealing cone 3 is slidably arranged in the first guide hole 61 up and down. The driving mechanism is arranged on the upper cover assembly 1. The driving mechanism is used to drive the compression rod 6 to move downward, and the first elastic member 9 is used to drive the compression rod 6 to move upward.

[0034] The upper cover assembly 1 includes an inner liner and a cover plate, which is arranged at the bottom of the inner liner. The cover plate covers the inner pot and forms a closed cooking cavity. When cooking, high temperature heating increases the pressure in the cooking cavity. When the driving mechanism is not started, the compression rod 6 is in the first position, and the downward force borne by the sealing cone 3 is the initial pressure. The pressure in the cooking cavity only needs to exceed the downward force borne by the sealing cone 3 itself, and the airflow in the cooking cavity will push open the sealing cone 3, and the sealing cone 3 is separated from the air hole 21 on the valve assembly 2. The gas enters the valve cavity 22 and then is discharged to the external environment, realizing low-pressure boiling cooking; when the driving mechanism is turned on, the driving mechanism drives the compression rod 6 to move downward, and the compression rod 6 squeezes the first elastic member 9 to increase its compression amount. The first elastic member 9 squeezes the sealing cone 3, so that the downward force borne by the sealing cone 3 becomes larger. The pressure in the cooking cavity must reach a larger value to push open the sealing cone 3 so that the sealing cone 3 is separated from the air hole 21 on the valve assembly 2, thereby realizing high-pressure boiling cooking. By controlling the driving mechanism, at least two-stage pressure full boiling cooking can be achieved.

[0035] Specifically, a first stop block is provided on the hole wall of the first guide hole 61, and a second stop block is provided on the side wall of the sealing cone 3. When the sealing cone 3 slides downward to reach the maximum displacement, the bottom wall of the second stop block abuts against the top wall of the first stop block. The bottom wall of the second stop block cooperates with the first stop block to prevent the sealing cone 3 from falling out of the first guide hole 61.

[0036] Furthermore, the compression rod 6 and the first elastic member 9 are both arranged in the valve inner cavity 22, and a through hole 23 is arranged on the top of the valve assembly 2, through which the top of the compression rod 6 passes. When the driving mechanism is turned on, the driving mechanism presses the compression rod 6, so that the compression rod 6 moves downward, and the compression rod 6 squeezes the first elastic member 9, so that the first elastic member 9 is elastically compressed, and the first elastic member 9 compresses and squeezes the sealing cone 3, so that the sealing cone 3 needs to bear the squeezing force brought by the driving mechanism, so that the downward force borne by the sealing cone 3 becomes larger, and the pressure in the cooking cavity must reach a larger value to push open the sealing cone 3 so that the sealing cone 3 is separated from the air hole 21 on the valve assembly 2, thereby realizing high-pressure boiling cooking.

[0037] Furthermore, a cover shell 11 is provided on the upper cover assembly 1, and the cover shell 11 and the upper cover assembly 1 are combined to form an air cavity 111. The valve assembly 2 is arranged in the air cavity 111, and the valve inner cavity 22 is communicated with the air cavity 111. The cover shell 11 is provided with an exhaust port for exhausting the air cavity 111, and the cover shell 11 is provided with a through hole. The cover shell 11 is provided with an elastic connecting member 12, and the elastic connecting member 12 is sealed on the through hole. The driving mechanism is used to drive the elastic connecting member 12 to move elastically downward to drive the compression rod 6 to move downward. When the driving mechanism is turned on, the driving mechanism presses the elastic connecting member 12, and the elastic connecting member 12 is partially deformed, so that the driving mechanism can move downward to press the compression rod 6, driving the compression rod 6 to move downward together to squeeze the first elastic member 9, so that the first elastic member 9 is elastically compressed, and the first elastic member 9 compresses and squeezes the sealing cone 3, so that the sealing cone 3 needs to bear the extrusion force of the first elastic member 9, so that the downward force borne by the sealing cone 3 becomes larger, and the pressure in the cooking cavity must reach a larger value to push open the sealing cone 3 so that the sealing cone 3 is separated from the air hole 21 on the valve assembly 2, thereby realizing high-pressure boiling cooking. When the driving assembly 5 is closed, the first elastic member 9 drives the compression rod 6 to move upward and reset under the action of its own elastic force, and at the same time resets the elastic connecting member 12 and the driving mechanism.

[0038] When the sealing cone 3 is pushed open, the gas in the cooking cavity enters the valve cavity 22 from the air hole 21, then enters the air cavity 111 through the gap between the compression rod 6 and the hole wall of the through hole 23, and finally is discharged from the exhaust hole.

[0039] Specifically, an annular groove is provided on the side wall of the elastic connector 12, the hole wall of the through hole is inserted into the annular groove, the bottom wall of the movable rod 7 abuts against the top wall of the elastic connector 12, and the top wall of the compression rod 6 contacts the bottom wall of the elastic connector 12, thereby sealing the elastic connector 12 on the through hole.

[0040] Furthermore, the driving mechanism includes a movable rod 7, a rocker arm 4 and a driving assembly 5. A pressure plate 10 is provided on the upper cover assembly 1. The bottom of the movable rod 7 contacts the elastic connecting member 12. The pressure plate 10 is arranged above the elastic connecting member 12. A second guide hole is provided on the pressure plate 10. The movable rod 7 is arranged in the second guide hole for sliding up and down. The rocker arm 4 is rotatably connected to the upper cover assembly 1. The driving assembly 5 is used to drive the rocker arm 4 to drive the movable rod 7 to slide downward. When the driving assembly 5 is turned on, the driving assembly 5 can drive the swing rod 4 to rotate in a clockwise direction and squeeze the movable rod 7, so that the movable rod 7 moves downward, and the bottom of the movable rod 7 presses the compression rod 6, so that the compression rod 6 also moves downward, and the compression rod 6 squeezes the first elastic member 9, so that the first elastic member 9 is elastically compressed, and the first elastic member 9 compresses and squeezes the sealing cone 3, so that the sealing cone 3 needs to withstand the squeezing force of the first elastic member 9, so that the downward force borne by the sealing cone 3 becomes larger, and the pressure in the cooking cavity must reach a larger value to push open the sealing cone 3 so that the sealing cone 3 is separated from the air hole 21 on the valve assembly 2, thereby realizing high-pressure boiling cooking. It can be understood that in this process, the elastic connecting member 12 undergoes elastic deformation, so that the movable rod 7 can move downward.

[0041] Furthermore, a vertical plate 101 is provided on one side of the pressure plate 10 , and the swing rod 4 is rotatably connected to the side wall of the vertical plate 101 , thereby realizing the rotatable connection of the swing rod 4 .

[0042] Furthermore, the swing arm 4 has a first rotating arm 41 and a second rotating arm 42, the first rotating arm 41 is used to rotate and squeeze the movable rod 7 to slide downward, and the second rotating arm 42 is drivingly connected to the driving assembly 5. When the driving assembly 5 is turned on, the driving assembly 5 can drive the second rotating arm 42 to rotate in a clockwise direction, so that the swing arm 4 rotates relative to the liner, and the first rotating arm 41 rotates clockwise downward to press the movable rod 7, so that the movable rod 7 moves downward.

[0043] Further, the driving assembly 5 is provided with a telescopic rod 51, the second rotating arm 42 is provided with at least one slide groove 422, the telescopic rod 51 is provided with at least one slider 511, and the slider 511 is slidably arranged in the slide groove 422. Specifically, the driving assembly 5 is an electromagnetic driving assembly 5, and when the electromagnet is energized, the telescopic rod 51 is attracted and contracted by the electromagnet, driving the second rotating arm 42 to rotate, so that the first rotating arm 41 rotates and squeezes the movable rod 7, so that the sealing cone 3 is subjected to the squeezing force from the second elastic member 8 and the squeezing force from the first elastic member 9 at the same time, so as to realize high-pressure boiling cooking; when the electromagnet is powered off, it loses its magnetism, and the swing rod 4 loses the pulling force of the telescopic rod 51. Under the action of the first elastic member 9, the swing rod 4 rotates counterclockwise, and drives the telescopic rod 51 to extend outward, and the swing rod 4 returns to the initial position.

[0044] Furthermore, two spaced-apart protrusions 421 are provided on the second rotating arm 42, and a slide groove 422 is provided on the opposite side walls of the two protrusions 421. Two sliders 511 are provided on the telescopic rod 51, and the two sliders 511 are respectively arranged on the left and right sides of the telescopic rod 51, and the two sliders 511 are respectively slidably connected to the two slide grooves 422.

[0045] Furthermore, a rotating shaft is provided on the side walls away from the two protrusions 421 , two vertical plates 101 arranged at intervals are provided on the pressure plate 10 , the swing rod 4 is arranged between the two vertical plates 101 , and the two rotating shafts are rotatably connected to the two vertical plates 101 respectively.

[0046] Furthermore, the cooking device further comprises a second elastic member 8, a support portion 31 extending toward the periphery is provided on the side wall of the sealing cone 3, one end of the second elastic member 8 is connected to the top wall of the valve inner cavity 22, and the other end is connected to the top wall of the support portion 31, and the second elastic member 8 squeezes the support portion 31. The second elastic member 8 may be a spring, and the second elastic member 8 always squeezes the support portion 31, so that the sealing cone 3 always bears a certain pressure, when the first elastic member 9 does not squeeze the support portion 31, the sealing cone 3 only bears the squeezing force from the second elastic member 8, at this time, the airflow in the cooking cavity only needs to reach a relatively small pressure to push open the sealing cone 3, and low-pressure boiling cooking is realized; and when the first elastic member 9 squeezes the support portion 31, the sealing cone 3 bears the squeezing force from the second elastic member 8 and the squeezing force from the first elastic member 9 at the same time, at this time, the airflow in the cooking cavity needs to reach a relatively large pressure to push open the sealing cone 3, and high-pressure boiling cooking is realized.

[0047] Furthermore, a sealing gasket 32 ​​is provided at the bottom of the sealing cone 3, and a convex portion extending downward is provided at the bottom of the sealing gasket 32, and the convex portion extends into the air hole 21. When the sealing cone 3 is not opened, the sealing cone 3 can fully seal the air hole 21 to ensure that the cooking cavity is a sealed valve inner cavity 22.

[0048] Furthermore, one end of the first elastic member 9 is connected to the bottom of the compression rod 6 , and the other end is connected to the top wall of the support portion 31 .

[0049] In some other embodiments, by adjusting the magnetic attraction of the electromagnetic device, the contraction distance of the telescopic rod 51 can be adjusted, thereby adjusting the swing angle of the rocker arm 4, so that the first elastic member 9 can apply different pressures to the sealing cone 3 to achieve full boiling cooking at more than two pressure levels.

[0050] The above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model.

Claims

1. A cooking device for multi-stage pressure full boiling cooking, characterized in that: The cooking device comprises an upper cover assembly (1), a valve assembly (2), a sealing cone (3), a first elastic member (9), a compression rod (6) and a driving mechanism, wherein the valve assembly (2) is arranged on the upper cover assembly (1) and forms a valve inner cavity (22), an air hole (21) is arranged at the bottom of the valve assembly (2), the air hole (21) is connected to the valve inner cavity (22) and the cooking cavity inside the cooking device, the sealing cone (3) is arranged in the valve inner cavity (22) and seals the air hole (21), one end of the first elastic member (9) is connected to the compression rod (6), and the other end is connected to the sealing cone (3), a first guide hole (61) is arranged inside the compression rod (6), and the sealing cone (3) is slidably arranged in the first guide hole (61) up and down, the driving mechanism is arranged on the upper cover assembly (1), the driving mechanism is used to drive the compression rod (6) to move downward, and the first elastic member (9) is used to drive the compression rod (6) to move upward.

2. The cooking device for multi-stage pressure full boiling cooking according to claim 1, characterized in that: The compression rod (6) and the first elastic member (9) are both arranged in the valve inner cavity (22); a through hole (23) is provided at the top of the valve assembly (2); and the top of the compression rod (6) passes through the through hole (23).

3. The cooking device for multi-stage pressure full boiling cooking according to claim 2, characterized in that: The upper cover assembly (1) is provided with a cover shell (11), the cover shell (11) and the upper cover assembly (1) enclose an air cavity (111), the valve assembly (2) is arranged in the air cavity (111), and the valve inner cavity (22) is communicated with the air cavity (111), the cover shell (11) is provided with an exhaust port for exhausting the air cavity (111), the cover shell (11) is provided with a through hole, the cover shell (11) is provided with an elastic connecting piece (12), the elastic connecting piece (12) is blocked on the through hole, and the driving mechanism is used to drive the elastic connecting piece (12) to elastically deform downwards to drive the compression rod (6) to move downwards.

4. The cooking device for multi-stage pressure full boiling cooking according to claim 3, characterized in that: The driving mechanism comprises a movable rod (7), a rocker arm (4) and a driving assembly (5); the driving assembly (5) is arranged on the upper cover assembly (1); the rocker arm (4) is rotatably connected to the upper cover assembly (1); a pressure plate (10) is provided on the upper cover assembly (1); the bottom of the movable rod (7) contacts the elastic connecting member (12); a second guide hole is provided on the pressure plate (10); the movable rod (7) is slidably arranged in the second guide hole up and down; the driving assembly (5) is used to drive the rocker arm (4) to rotate and squeeze the movable rod (7) to slide downward.

5. The cooking device for multi-stage pressure full boiling cooking according to claim 4, characterized in that: The swing rod (4) has a first rotating arm (41) and a second rotating arm (42); the first rotating arm (41) is used to rotate and squeeze the movable rod (7) to slide downward; and the second rotating arm (42) is drivingly connected to the driving assembly (5).

6. The cooking device for multi-stage pressure full boiling cooking according to claim 5, characterized in that: The driving assembly (5) is provided with a telescopic rod (51), the second rotating arm (42) is provided with at least one slide groove (422), the telescopic rod (51) is provided with at least one slider (511), and the slider (511) is slidably arranged in the slide groove (422).

7. The cooking device for multi-stage pressure full boiling cooking according to claim 6, characterized in that: The second rotating arm (42) is provided with two protrusions (421) arranged at intervals, and a sliding groove (422) is provided on the side walls opposite to the two protrusions (421). The telescopic rod (51) is provided with two sliding blocks (511), and the two sliding blocks (511) are respectively arranged on the left and right sides of the telescopic rod (51), and the two sliding blocks (511) are respectively slidably connected to the two sliding grooves (422).

8. The cooking device for multi-stage pressure full boiling cooking according to claim 7, characterized in that: A rotating shaft is provided on the side walls of the two protrusions (421) that are away from each other, two vertical plates (101) arranged at intervals are provided on the pressure plate (10), the swing rod (4) is arranged between the two vertical plates (101), and the two rotating shafts are respectively rotatably connected to the two vertical plates (101).

9. The cooking device for multi-stage pressure full boiling cooking according to claim 1, characterized in that: The cooking device further comprises a second elastic member (8), a support portion (31) extending toward the periphery is provided on the side wall of the sealing cone (3), one end of the second elastic member (8) is connected to the top wall of the valve cavity (22), and the other end is connected to the top wall of the support portion (31), and the second elastic member (8) squeezes the support portion (31).

10. The cooking device for multi-stage pressure full boiling cooking according to claim 1, characterized in that: A sealing gasket (32) is provided at the bottom of the sealing cone (3), and a convex portion extending downward is provided at the bottom of the sealing gasket (32), and the convex portion extends into the air hole (21).

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