CN110870687B

CN110870687B - Cooking utensil

Info

Publication number: CN110870687B
Application number: CN201811012458.3A
Authority: CN
Inventors: 张懿豪
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2018-08-31
Filing date: 2018-08-31
Publication date: 2022-05-06
Anticipated expiration: 2038-08-31
Also published as: CN110870687A

Abstract

The present invention provides a cooking appliance, comprising: a pan body; the pot cover is provided with a cover closing position and a cover opening position; a check valve having a floating lock position and a sinking unlock position; the opening stopping plate assembly is provided with a first avoiding opening and comprises an initial position and an opening stopping position, the opening stopping plate assembly stops above the opening stopping valve to prevent the opening stopping valve from moving from an unlocking position to a locking position under the condition that the opening stopping plate assembly is located at the initial position, and the first avoiding opening and the opening stopping valve are correspondingly arranged under the condition that the opening stopping plate assembly is located at the opening stopping position; the opening stopping plate assembly can move from the initial position to the opening stopping position under the action of the matching structure. By applying the technical scheme of the invention, the problem that the secondary cover closing of the cooking utensil in the related art is difficult can be effectively solved.

Description

Cooking utensil

Technical Field

The invention relates to the field of small household appliances, in particular to a cooking appliance.

Background

In the related art, the electric pressure cooker comprises a cooker body and a cooker cover arranged on the cooker body. The pot cover comprises a pot cover body, an opening stopping rod assembly and an opening stopping valve, wherein an avoiding hole for avoiding the opening stopping valve is formed in the opening stopping rod assembly. The cooker body is provided with cooker teeth, and the cooker cover body is provided with cover teeth. The pot cover comprises a cover closing position enabling the cover teeth to be matched with the pot teeth and an open position enabling the cover teeth to be separated from the pot teeth. When the pot cover is in the opening position, the opening stop rod component does not interfere with the opening stop valve. When the pot cover rotates to the cover closing position, the opening stopping rod component moves to the avoiding hole to correspond to the opening stopping valve. When the pressure in the pot body reaches a preset value, the stop valve extends into the avoiding hole. At the moment, the opening stop rod component cannot move due to the interference with the opening stop valve, and the cooker cover cannot move from the cover closing position to the cover opening position, so that the cover opening of the electric pressure cooker is prevented under the condition that the pressure in the electric pressure cooker is higher, and the use safety of a user is ensured. However, the cover with the structure can be opened but cannot be easily closed when the electric pressure cooker is in a hot state. When the electric pressure cooker closes the cooker cover in a hot state, the gas pressure in the cooker body rises rapidly, and the opening stopping rod component does not interfere with the opening stopping valve in an initial state, so the opening stopping valve can be jacked up smoothly. At the moment, when a user rotates the pot cover from the cover opening position to the cover closing position, the opening stop rod assembly interferes with the opening stop valve, the pot cover cannot rotate to the cover closing position, the cover is difficult to close, and the cover can be closed only by exhausting the internal pressure of the electric pressure cooker.

Disclosure of Invention

The invention mainly aims to provide a cooking appliance to solve the problem that secondary cover closing of the cooking appliance in a hot state is difficult in the related art.

In order to achieve the above object, the present invention provides a cooking appliance, comprising: a pot body having a cooking cavity and pot teeth; the cooker cover is covered on the cooker body and comprises an outer cover and an inner cover, the inner cover is provided with cover teeth matched with the cooker teeth, and the cooker cover is provided with a cover closing position enabling the cooker teeth to be buckled with the cover teeth and an open position enabling the cooker teeth to be separated from the cover teeth; the valve is arranged on the inner cover in a vertically floating manner and is provided with a floating locking position and a sinking unlocking position; the opening stopping plate assembly is positioned between the outer cover and the inner cover and is movably arranged relative to the inner cover, a first avoiding opening is formed in the opening stopping plate assembly, the opening stopping plate assembly is provided with an initial position and an opening stopping position, the opening stopping plate assembly is stopped above the opening stopping valve to prevent the opening stopping valve from moving from an unlocking position to a locking position under the condition that the opening stopping plate assembly is positioned at the initial position, and the first avoiding opening is arranged corresponding to the opening stopping valve under the condition that the opening stopping plate assembly is positioned at the opening stopping position; the matching structure is used for enabling the opening stopping plate component to move from the initial position to the opening stopping position under the action of the matching structure in the process that the pot cover moves from the cover opening position to the cover closing position; and the heating device is used for heating the food in the cooking cavity.

Further, the opening stopping plate component and the pot teeth do not interfere with each other when the opening stopping plate component is at the initial position, the opening stopping plate component can interfere with the pot teeth when the opening stopping plate component is at the opening stopping position, and the opening stopping valve can interfere with the opening stopping plate component when the opening stopping valve floats to the locking position under the pressure in the cooking cavity, so that the opening stopping plate component can be kept at the opening stopping position, and the pot cover cannot move from the cover closing position to the cover opening position.

Further, the cooperation structure sets up on the pot body, and the pot cover is by the position of uncapping to the in-process that closes the lid position and remove, and the cooperation structure can exert the top force so that stop the subassembly of opening and move to stopping the position of opening to stopping the subassembly of opening.

Further, the pot cover is still including being located the inside lining between enclosing cover and the inner cup, but pivot ground is provided with the bull stick subassembly on the inside lining, the bull stick subassembly is protruding including the first cooperation that is located the inside lining upside and the second cooperation that is located the inside lining downside, the pot body is including pot body and the medium plate of setting on pot body upper portion, cooperation structure is protruding for setting up the third cooperation on the medium plate, the pot cover is by the position of uncapping to the in-process that closes the lid position and remove, the bull stick subassembly can rotate under the protruding cooperation of second cooperation and third cooperation, so that the protruding lower extreme that can provide the thrust along the radial direction of pot cover to the subassembly of only uncapping of first cooperation.

Further, the bull stick subassembly includes mutual plug-in connection's upper rotor rod and lower bull stick, the upper rotor rod includes the bull stick body and sets up in bull stick body upper end and the first cooperation arch of outside extension, be provided with first installation through-hole on the bull stick body, the lower bull stick includes the pivot and sets up in the second cooperation arch of the lateral wall bottom of pivot, be provided with the coaxial second installation through-hole with first installation through-hole on the inside lining, the pivot is by supreme second installation through-hole stretch into first installation through-hole and fixed with the bull stick body through the fastener.

Furthermore, a water tank is arranged on the middle plate, and the matching structure is arranged in the water tank.

Further, the opening stopping component comprises an opening stopping component body and an opening stopping rod arranged on one side, close to the inner cover, of the opening stopping component body, a second avoiding opening corresponding to the opening stopping rod is arranged on the inner cover, the opening stopping rod can stretch into the second avoiding opening under the condition that the opening stopping component is located at the opening stopping position, and the opening stopping rod can interfere with the side wall of the pot teeth in the circumferential direction to prevent the pot cover from rotating relative to the pot body.

Furthermore, the opening stopping rod is sleeved with a spring, the first end of the spring abuts against the opening stopping plate body, and the second end of the spring abuts against the outer surface of the inner cover.

Further, the opening stopping plate body comprises a cross arm, a straight arm and an inclined arm connected between the cross arm and the straight arm, the opening stopping rod is arranged on the surface, close to the inner cover, of the straight arm, and the first avoiding opening is formed in the cross arm.

Furthermore, the pot body comprises an outer pot, a heat preservation cover and an inner pot which are sequentially arranged from outside to inside, a cavity in the inner pot forms a cooking cavity, and pot teeth are arranged on the heat preservation cover.

Further, the valve body is arranged in a penetrating mode in the mounting hole, a step surface is arranged on the side wall of the valve body, the step surface can be abutted with the inner cover to prevent the valve from being separated from the mounting hole under the action of gravity of the valve body, and the upper surface of the sealing ring can be abutted with the inner cover to prevent gas in a cooking cavity from flowing out of a gap between the valve body and the hole wall of the mounting hole under the condition that the valve body is located at a locking position.

By applying the technical scheme of the invention, the opening stopping plate assembly stops above the opening stopping valve under the condition that the opening stopping plate assembly is positioned at the initial position. When the cover is closed for the second time, the gas pressure is higher because the temperature in the cooking cavity is still higher, and the opening stopping valve is easy to jack up under the action of the gas pressure. However, the jacked opening-stopping valve is stopped by the opening-stopping plate component at the initial position and cannot move continuously to the locking position, and the opening-stopping plate component moves from the initial position to the opening-stopping position under the action of the matching structure in the rotating process of the pot cover from the opening position to the closing position. In the process of moving the opening stopping plate component, the opening stopping valve cannot be stopped on the moving path of the opening stopping plate component under the action of the opening stopping plate component, so that the opening stopping plate component can smoothly move to the opening stopping position, the aim of smoothly closing the cover is fulfilled, and the problem that the secondary cover closing of the cooking utensil in the related art is difficult in a hot state is solved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic longitudinal sectional view of an embodiment of a cooking appliance according to the invention;

fig. 2 shows an enlarged structural schematic view at a of the cooking appliance of fig. 1;

fig. 3 shows an enlarged schematic structural view at B of the cooking appliance of fig. 2;

FIG. 4 illustrates an exploded view of the inner lid, inner liner, anti-backup plate assembly, and mating structure of the cooking appliance of FIG. 1;

FIG. 5 shows an enlarged structural view at C of an exploded configuration of the inner lid, inner liner, stop plate assembly and mating structure of FIG. 4;

fig. 6 shows a schematic top view of the cooking appliance of fig. 1 with the lid in an open position;

fig. 7 shows a schematic top view of the cooking appliance of fig. 1 with the lid in a closed position;

fig. 8 illustrates a top view structural schematic view of the middle plate of the cooking appliance of fig. 1 when the second engagement protrusion engages with the engagement structure;

fig. 9 shows an enlarged schematic structural view at D of the cooking appliance of fig. 8;

fig. 10 is a schematic view illustrating a position change of the second coupling protrusion during the movement of the lid of the cooking appliance of fig. 8 from the open lid position to the closed lid position;

FIG. 11 illustrates a front schematic view of a turn bar assembly of the cooking appliance of FIG. 1;

FIG. 12 shows a schematic top view of the swing bar assembly of FIG. 11;

FIG. 13 is a schematic view showing the positional relationship between the stopper rod and the pot teeth when the lid of the cooking appliance of FIG. 1 is in the lid-open position; and

fig. 14 is a schematic diagram showing a positional relationship between the stopper rod and the pot teeth when the pot cover of the cooking appliance of fig. 1 is in the closed position.

Wherein the figures include the following reference numerals:

10. a pan body; 11. a pan body; 12. a middle plate; 121. a water tank; 13. an outer pot; 14. a heat-preserving cover; 141. cooking teeth; 20. a pot cover; 21. an outer cover; 22. an inner cover; 221. a second avoidance port; 222. mounting holes; 223. covering teeth; 23. a liner; 231. a second mounting through hole; 30. stopping opening the valve; 31. a valve body; 311. a step surface; 32. a seal ring; 40. an opening stopping plate component; 41. a check plate body; 411. a first avoidance port; 412. a cross arm; 413. a straight arm; 414. a tilt arm; 42. an opening stop lever; 50. a rotating rod assembly; 51. an upper rotating rod; 511. a first mating protrusion; 512. a rotating rod body; 513. a first mounting through hole; 52. a lower rotating rod; 521. a second mating protrusion; 522. a rotating shaft; 60. a mating structure; 80. a spring.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 to 5, the cooking appliance of the present embodiment includes: pot body 10, pot cover 20, opening stop valve 30, opening stop plate assembly 40, matching structure 60 and heating device. Wherein the pot body 10 has a cooking cavity and a pot tooth 141. The pot cover 20 is covered on the pot body 10, the pot cover 20 comprises an outer cover 21 and an inner cover 22, the inner cover 22 is provided with a cover tooth 223 matched with the pot tooth 141, the pot cover 20 is provided with a cover closing position enabling the pot tooth 141 to be buckled with the cover tooth 223, and an opening position enabling the pot tooth 141 to be separated from the cover tooth 223. The valve stopper 30 is provided on the inner lid 22 so as to be vertically movable, and the valve stopper 30 has a lock position where it floats upward and an unlock position where it sinks downward. The opening stop assembly 40 is located between the outer cover 21 and the inner cover 22 and movably arranged relative to the inner cover 22, a first avoiding opening 411 is arranged on the opening stop assembly 40, the opening stop assembly 40 comprises an initial position and an opening stop position, when the opening stop assembly 40 is located at the initial position, the opening stop assembly 40 is stopped above the opening stop valve 30 to prevent the opening stop valve 30 from moving from the unlocking position to the locking position, and when the opening stop assembly 40 is located at the opening stop position, the first avoiding opening 411 and the opening stop valve 30 are arranged correspondingly. The engagement structure 60 enables the opening stop plate assembly 40 to move from the initial position to the opening stop position under the action of the engagement structure 60 during the process that the pot lid 20 moves from the opening position to the closing position. And the heating device is used for heating the food in the cooking cavity.

By applying the technical scheme of the invention, under the condition that the opening stop plate assembly 40 is positioned at the initial position, the opening stop plate assembly 40 stops above the opening stop valve 30. When the cover is closed for the second time, the gas pressure is high because the temperature in the cooking cavity is still high, and the opening stop valve 30 is easy to jack up under the action of the gas pressure. However, the pushed-up opening stop valve is stopped by the opening stop plate assembly 40 at the initial position and cannot move continuously to the locking position, and during the rotation of the pot cover 20 from the opening position to the closing position, the opening stop plate assembly 40 moves from the initial position to the opening stop position under the action of the matching structure 60. In the moving process of the opening stopping plate assembly 40, the opening stopping valve 30 cannot be stopped on the moving path of the opening stopping plate assembly 40 under the action of the opening stopping plate assembly 40, so that the opening stopping plate assembly 40 can smoothly move to the opening stopping position, the aim of smoothly closing the cover is fulfilled, and the problem that the secondary cover closing of the cooking utensil in a hot state is difficult in the related art is solved.

In the present embodiment, the opening stop plate member 40 does not interfere with the pot teeth 141 when the opening stop plate member 40 is at the initial position, the opening stop plate member 40 can interfere with the pot teeth 141 when the opening stop plate member 40 is at the opening stop position, and the opening stop plate member 40 can be held at the opening stop position by the interference of the opening stop plate member 30 with the opening stop plate member 40 when the opening stop plate member 30 is lifted up to the lock position under the pressure in the cooking cavity. Since the opening stop plate assembly 40 is kept at the opening stop position, when the user rotates the lid, the pot teeth 141 will interfere with the opening stop plate assembly 40, so that the lid cannot rotate relative to the pot body, and the lid 20 cannot move from the lid closing position to the lid opening position. The structure ensures that the pot cover can not be opened from the pot body when the pot is pressed upwards, thereby ensuring the use safety of users.

It should be noted that, in the present embodiment, the cooking appliance itself includes the heating device, the cooking appliance is an electrically controlled cooking appliance, and when the cooking appliance is powered on and receives a cooking instruction, the heating device is powered on and starts heating.

As shown in fig. 1 to 6 and 8 to 12, in the present embodiment, the engaging structure 60 is disposed on the pot body 10, and during the movement of the pot lid 20 from the open lid position to the closed lid position, the engaging structure 60 can apply an abutting force to the opening stop plate assembly 40 to move the opening stop plate assembly 40 to the opening stop position. Above-mentioned structure need not to set up other control and ends the sliding key or the button that the subassembly 40 removed, only needs can drive through the action of opening and shutting the lid and ends the action of subassembly 40 to make easy operation, improve the user and use experience. It should be noted that, in other embodiments, the engaging structure 60 may be an electrically controlled structure (e.g., a solenoid valve) engaged with the opening stop plate assembly 40, and during the process of moving the lid 20 from the open lid position to the closed lid position, the solenoid valve may push the opening stop plate assembly 40 to move the opening stop plate assembly 40 to the open stop position. Since the matching structure 60 is an electric control structure, the user does not need to perform any extra operation (i.e., operate the sliding key or the key, etc.), and the user experience is improved.

As shown in fig. 1 to 6 and 8 to 12, in the present embodiment, the pot cover 20 further includes an inner liner 23 located between the outer cover 21 and the inner cover 22, the inner liner 23 is pivotally provided with a rotating rod assembly 50, the rotating rod assembly 50 includes a first engaging protrusion 511 located on an upper side of the inner liner 23 and a second engaging protrusion 521 located on a lower side of the inner liner 23, the pot body 10 includes a pot body 11 and a middle plate 12 disposed on an upper portion of the pot body 11, the engaging structure 60 is a third engaging protrusion disposed on the middle plate 12, and during the movement of the pot cover 20 from the open cover position to the closed cover position, the rotating rod assembly 50 can rotate under the engagement of the second engaging protrusion 521 and the third engaging protrusion, so that the first engaging protrusion 511 can provide a pushing force on a lower end of the open-stop plate assembly 40 in a radial direction of the pot cover 20. Specifically, when the rotating lever assembly 50 rotates in the m direction in fig. 5 under the engagement of the second engaging protrusion 521 and the third engaging protrusion, the first engaging protrusion 511 gradually moves in the n direction in the radial direction of the lid 20, so that the opening stop plate assembly 40 engaged with the first engaging protrusion 511 also moves in the n direction, and finally, the opening stop plate assembly 40 moves to the opening stop position. The structure is simple, and the realization and the assembly are easy.

As shown in fig. 3, in the present embodiment, the rotating rod assembly 50 includes an upper rotating rod 51 and a lower rotating rod 52 that are connected to each other in an inserting manner, the upper rotating rod 51 includes a rotating rod body 512 and a first engaging protrusion 511 that is disposed at the upper end of the rotating rod body 512 and extends outward, a first mounting through hole 513 is disposed on the rotating rod body 512, the lower rotating rod 52 includes a rotating shaft 522 and a second engaging protrusion 521 that is disposed at the bottom of the side wall of the rotating shaft 522, a second mounting through hole 231 that is coaxial with the first mounting through hole 513 is disposed on the liner 23, and the rotating shaft 522 extends into the first mounting through hole 513 from the bottom to the top through the second mounting through hole 231 and is fixed to the rotating rod body 512 through a fastener. The structure is simple and easy to assemble. Preferably, in this embodiment, the fastening member is a snap spring, and the snap spring is inserted into the rotating shaft 522 and the rotating rod body 512 and is always located at the working position (not disengaged) by its own elasticity. The structure is simple, the assembly efficiency is high, and the cost is low.

As shown in fig. 6 and 7, in the present embodiment, a water groove 121 is provided on the middle plate 12, and the engaging structure 60 is provided in the water groove 121. The structure arranges the matching structure 60 in the originally concave water tank 121, so that the height of the whole cooking appliance does not need to be increased, and the miniaturization design of the cooking appliance is facilitated.

As shown in fig. 1 to 5, 13 and 14, in the present embodiment, the opening stop plate assembly 40 includes an opening stop plate body 41 and an opening stop rod 42 disposed on a side of the opening stop plate body 41 close to the inner lid 22, the inner lid 22 is provided with a second escape opening 221 corresponding to the opening stop rod 42, and when the opening stop plate assembly 40 is in the opening stop position, the opening stop rod 42 can extend into the second escape opening 221 and can interfere with a side wall of the pot teeth 141 in the circumferential direction to prevent the pot lid 20 from rotating relative to the pot body 10. The structure is simple and easy to realize.

As shown in fig. 2 to 5, in the present embodiment, the stop lever 42 is sleeved with a spring 80, a first end of the spring 80 abuts against the stop plate body 41, and a second end of the spring 80 abuts against the outer surface of the inner lid 22. When the lid is rotated from the lid-closing position to the lid-opening position, the rotating rod assembly 50 can be rotated in the reverse direction of the m direction, the first engaging protrusion 511 gradually moves in the reverse direction of the n direction, and the opening stop assembly 40 can be returned to the initial position under the elastic restoring force of the spring 80. The structure is simple, manual returning is not needed, and therefore the use experience of a user is improved.

As shown in fig. 1 to 5, in the present embodiment, the opening prevention plate body 41 includes a cross arm 412, a straight arm 413, and an inclined arm 414 connected between the cross arm 412 and the straight arm 413, the opening prevention lever 42 is provided on a surface of the straight arm 413 near the inner lid 22, and the first avoidance port 411 is provided on the cross arm 412. The structure is simple, the volume of the pot cover can be reduced as much as possible, and therefore the miniaturization design is achieved.

As shown in fig. 1, in the present embodiment, the pot body 11 includes an outer pot 13, a heat insulation cover 14 and an inner pot which are sequentially arranged from outside to inside, a cavity in the inner pot forms a cooking cavity, and the pot teeth 141 are arranged on the heat insulation cover 14.

As shown in fig. 2, in the present embodiment, the valve stop 30 includes a valve body 31 and a sealing ring 32 sleeved on the bottom of the valve body 31, the inner cover 22 is provided with a mounting hole 222, the valve body 31 is inserted into the mounting hole 222, a step surface 311 is provided on the side wall of the valve body 31, under the action of gravity of the valve stop 30, the step surface 311 can abut against the inner cover 22 to prevent the valve stop 30 from being removed from the mounting hole 222, and when the valve stop 30 is located at the locking position, the upper surface of the sealing ring 32 can abut against the inner cover 22 to prevent the gas in the cooking cavity from flowing out through the gap between the valve stop 30 and the hole wall of the mounting hole 222. Specifically, the opening stop plate assembly 40 can interfere with the floating of the opening stop valve 30 in the case that the pot lid is not closed in place. Since the valve stopper 30 is not lifted up to the lock position, the gas in the cooking chamber can flow out through the gap between the valve stopper 30 and the hole wall of the mounting hole 222. The inner cooker can not work normally due to continuous exhaust, so that a user can know that the cooker cover is not in place at a glance, and the use safety is ensured.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cooking appliance, comprising:

a pot body (10) having a cooking cavity and a pot tooth (141);

the pot cover (20) is covered on the pot body (10), the pot cover (20) comprises an outer cover (21) and an inner cover (22), the inner cover (22) is provided with a cover tooth (223) matched with the pot tooth (141), and the pot cover (20) is provided with a cover closing position enabling the pot tooth (141) to be buckled with the cover tooth (223) and a cover opening position enabling the pot tooth (141) to be separated from the cover tooth (223);

a valve stopper 30 provided on the inner lid 22 so as to be vertically movable, the valve stopper 30 having a lock position where it floats upward and an unlock position where it sinks downward;

an opening stop plate assembly (40) which is positioned between the outer cover (21) and the inner cover (22) and is movably arranged relative to the inner cover (22), wherein a first avoiding opening (411) is arranged on the opening stop plate assembly (40), the opening stop plate assembly (40) has an initial position and an opening stop position, when the opening stop plate assembly (40) is positioned at the initial position, the opening stop plate assembly (40) is stopped above the opening stop valve (30) to prevent the opening stop valve (30) from moving from the unlocking position to the locking position, and when the opening stop plate assembly (40) is positioned at the opening stop position, the first avoiding opening (411) and the opening stop valve (30) are correspondingly arranged;

the matching structure (60) is used for enabling the opening stopping plate component (40) to move from the initial position to the opening stopping position under the action of the matching structure (60) in the process that the pot cover (20) moves from the cover opening position to the cover closing position;

heating device for heat the food in the culinary art intracavity, cooperation structure (60) set up in on the pot body (10), pot cover (20) by uncap the position to close the in-process that covers the position and remove, cooperation structure (60) can be to stop board subassembly (40) exert the top force so that stop board subassembly (40) to stop the position and remove, pot cover (20) still including being located enclosing cover (21) with inside lining (23) between inner cup (22), but pivot ground is provided with bull stick subassembly (50) on inside lining (23), bull stick subassembly (50) are including being located the first cooperation arch (511) of inside lining (23) upside and being located the second cooperation arch (521) of inside lining (23) downside, pot body (10) include pot body (11) and set up in middle plate (12) on pot body (11) upper portion, the matching structure (60) is a third matching protrusion arranged on the middle plate (12), and in the process that the pot cover (20) moves from the cover opening position to the cover closing position, the rotating rod assembly (50) can rotate under the matching of the second matching protrusion (521) and the third matching protrusion, so that the first matching protrusion (511) can provide thrust in the radial direction of the pot cover (20) for the lower end of the opening stopping assembly (40).

2. The cooking appliance according to claim 1, wherein the opening stop plate assembly (40) does not interfere with the pot teeth (141) when the opening stop plate assembly (40) is in the initial position, the opening stop plate assembly (40) can interfere with the pot teeth (141) when the opening stop plate assembly (40) is in the opening stop position, and the opening stop valve (30) interferes with the opening stop plate assembly (40) to enable the opening stop plate assembly (40) to be maintained in the opening stop position so that the pot lid (20) cannot be moved from the lid closing position to the lid opening position when the opening stop plate assembly (40) floats to the locking position under pressure in the cooking cavity.

3. The cooking appliance according to claim 1, wherein the rotating rod assembly (50) comprises an upper rotating rod (51) and a lower rotating rod (52) which are connected with each other in a plugging manner, the upper rotating rod (51) comprises a rotating rod body (512) and a first matching bulge (511) which is arranged at the upper end of the rotating rod body (512) and extends outwards, the rotating rod body (512) is provided with a first mounting through hole (513), the lower rotating rod (52) comprises a rotating shaft (522) and a second matching bulge (521) arranged at the bottom of the side wall of the rotating shaft (522), the inner lining (23) is provided with a second mounting through hole (231) which is coaxial with the first mounting through hole (513), the rotating shaft (522) extends into the first mounting through hole (513) from bottom to top through the second mounting through hole (231) and is fixed with the rotating rod body (512) through a fastener.

4. The cooking appliance according to claim 1, wherein the middle plate (12) is provided with a water tank (121), and the fitting structure (60) is provided within the water tank (121).

5. The cooking utensil of claim 2, wherein the opening stopping plate assembly (40) comprises an opening stopping plate body (41) and an opening stopping rod (42) arranged on one side, close to the inner cover (22), of the opening stopping plate body (41), a second avoiding opening (221) corresponding to the opening stopping rod (42) is arranged on the inner cover (22), and when the opening stopping plate assembly (40) is located at the opening stopping position, the opening stopping rod (42) can extend into the second avoiding opening (221) and can interfere with the side wall of the pot teeth (141) in the circumferential direction to prevent the pot cover (20) from rotating relative to the pot body (10).

6. The cooking appliance according to claim 5, wherein the check rod (42) is sleeved with a spring (80), a first end of the spring (80) abuts against the check plate body (41), and a second end of the spring (80) abuts against an outer surface of the inner lid (22).

7. The cooking appliance according to claim 5, wherein the anti-opening plate body (41) comprises a cross arm (412), a straight arm (413) and an inclined arm (414) connected between the cross arm (412) and the straight arm (413), the anti-opening rod (42) is disposed on a surface of the straight arm (413) close to the inner lid (22), and the first avoidance port (411) is disposed on the cross arm (412).

8. The cooking appliance according to claim 1, wherein the pot body (11) comprises an outer pot (13), a heat preservation cover (14) and an inner pot which are arranged in sequence from outside to inside, wherein a cavity in the inner pot forms the cooking cavity, and the pot teeth (141) are arranged on the heat preservation cover (14).

9. The cooking appliance according to claim 1, wherein the opening stop valve (30) comprises a valve body (31) and a sealing ring (32) arranged at the bottom of the valve body (31), the inner cover (22) is provided with a mounting hole (222), the valve body (31) is arranged in the mounting hole (222) in a penetrating way, the side wall of the valve body (31) is provided with a step surface (311), the step surface (311) can abut against the inner cover (22) under the action of the gravity of the valve stop (30) to prevent the valve stop (30) from falling out of the mounting hole (222), when the valve stopper (30) is in the lock position, the upper surface of the seal ring (32) can abut against the inner cover (22) to prevent gas in the cooking cavity from flowing out through a gap between the valve stopper (30) and the wall of the mounting hole (222).