CN221229181U - Automatic pressure cooking utensil of uncapping - Google Patents

Abstract

The utility model discloses an automatic cover-opening pressure cooking appliance, which comprises a pot body, a pot cover, a driving component and a buckling component, wherein the pot body comprises a shell and an inner pot, the pot cover comprises a lining, an inner sealing cover and a lock catch cover, a hinge spring and a hinge shaft are arranged on the lining, the lining is hinged with the shell through the hinge shaft and the hinge spring, an inner pot tooth is arranged on the inner pot, the lock catch cover is provided with the lock catch pot tooth, the lining is rotationally connected with a rotary seat plate, the lock catch cover is connected with the rotary seat plate, the buckling component comprises a buckle plate and a spring, the buckle plate is rotationally connected with the lining, the spring is connected between the buckle plate and the lining, a connecting buckle plate is arranged on the lining, when the cover is opened, the driving component drives the rotary seat plate and the lock catch pot tooth to be staggered, one end of the rotary seat plate is driven to move upwards and be staggered with the connecting buckle plate, and when the driving component stops working, the spring is used for pushing the buckle plate and the rotary seat plate to rotate, and the buckle plate can be buckled with the connecting buckle plate by pressing the pot cover.

Description

Automatic pressure cooking utensil of uncapping

Technical Field

The utility model relates to the technical field of kitchen appliances, in particular to a pressure cooking appliance capable of automatically uncovering.

Background

Along with the development of technology, people have higher requirements for cooking food, so that a pressure cooking pot appears, and the pressure cooking pot utilizes the physical property that the boiling point of water rises along with the rising of pressure, and high pressure is generated through water vapor in the pot, so that the food is rapidly cooked under high pressure, the cooking time of the food is shortened, and the nutritional ingredients and the taste of the food are reserved.

The current uncapping modes of the high-pressure cooker or the high-pressure rice cooker on the market are divided into two modes, one mode is a rotary handle, the handle drives a lock catch to uncap, the other mode is a claw type locking mode, the two uncapping modes all need to be manually opened after the manual mode is turned on or the sliding handle is pressed to uncap again, automatic uncapping cannot be achieved, operation is complex, and user experience is poor.

How to achieve automatic uncapping is therefore a focus of attention of the art and related personnel.

Disclosure of utility model

In view of the above, the present utility model provides an automatic uncapping pressure cooking appliance for solving the problem that the automatic uncapping cannot be achieved in the pressure cooking appliance in the prior art. In order to achieve one or part or all of the purposes or other purposes, the utility model provides an automatic cover-opening pressure cooking appliance, which comprises a pot body, a pot cover, a driving assembly and a buckling assembly, wherein the pot body comprises a shell and an inner pot, the inner pot is arranged in the shell, the pot cover comprises a lining, an inner sealing cover and a locking cover, the lining is connected with the inner sealing cover in a rotating way, one end of the lining is provided with a hinge spring and a hinge shaft, the lining is hinged with the shell through the hinge shaft, the hinge spring passes through the hinge shaft and is fixed on the lining, the driving assembly is connected with the lining, an inner pot tooth is arranged on the inner pot, the locking cover is provided with a locking tooth, and when the inner pot is closed, the inner pot cover is in sealing fit with the inner pot, and the inner pot tooth is in up-down abutting joint with the locking tooth;

The lining is rotationally connected with a rotary seat plate, the rotary seat plate is connected with the driving assembly, the lock catch cover is provided with a lock catch hanging shaft, the lining is provided with a limit groove, and the lock catch hanging shaft penetrates through the limit groove to be connected with the rotary seat plate;

The buckling assembly comprises a buckle plate and a spring, the buckle plate is rotationally connected with the lining, one end of the spring is connected with the buckle plate, the other end of the spring is connected with the lining, a connecting buckle plate is arranged on the shell, and when the shell is closed, the connecting buckle plate penetrates through the lining and is in clamping connection with the buckle plate;

When uncapping, drive assembly is used for the drive rotatory bedplate rotates, rotatory bedplate supports to move the one end downstream of buckle, the other end upward movement of buckle with connect the buckle and stagger mutually, simultaneously, rotatory bedplate drives the hasp hanging axle is followed the spacing groove motion, interior pot tooth with the hasp pot tooth staggers mutually, works as after drive assembly stops work, the spring supports the buckle with rotatory bedplate revolves certain angle, presses the pot cover, the buckle with connect the buckle looks lock.

Based on above-mentioned technical scheme, when closing the lid, hasp pot tooth and interior pot tooth butt from top to bottom, buckle and connection buckle looks joint, when uncapping, rotatory bedplate of drive assembly drive rotates, rotatory bedplate supports the direction motion of moving hasp hanging axle along the spacing groove for hasp pot tooth staggers with interior pot tooth, simultaneously, rotatory bedplate supports the one end down motion of moving the buckle, the other end upward movement of buckle separates with connection buckle, under the elasticity effect of articulated spring, the pot cover is automatic with the pot body separation, under the elasticity effect of spring, rotatory bedplate revolves certain angle, the buckle also rotates to certain angle, press the pot cover and can realize closing the lid.

Preferably, the driving assembly comprises a motor and a gear, the motor is connected with the inner lining, the gear is connected with an output shaft of the motor, a rack is arranged on the rotary seat plate, and the rack is meshed with the gear.

Based on the technical scheme, the motor drives the gear to rotate, and the gear drives the rack to rotate, so that the automatic rotation of the rotary seat plate is realized.

Preferably, the buckle comprises a buckle plate, a connecting shaft and a connecting plate, wherein the buckle plate is connected with the connecting plate, the buckle plate is perpendicular to the connecting plate, a mounting hole is formed in the buckle plate, a mounting plate is arranged on the lining, the connecting shaft penetrates through the mounting hole to be connected with the mounting plate in a rotating mode, the spring is connected with the bottom wall of the connecting plate, and when the cover is opened, the rotating seat plate is in vertical butt joint with the connecting plate.

Based on the technical scheme, the rotation between the connecting plate and the buckling plate and the lining is realized through the connecting shaft, so that the rotating seat plate can abut against the buckling plate and the connecting plate to rotate.

Preferably, the rotary seat plate comprises a rotary end and an abutting end, the rotary end is rotationally connected with the liner, the abutting end is provided with an abutting part, the top wall of the connecting plate protrudes outwards to form an abutting block, and when the cover is opened, the bottom wall of the abutting part abuts against the top wall of the abutting block.

Based on the technical scheme, the connecting plate protrudes to form the abutting block so that the abutting part of the rotary seat plate is abutted with the abutting block, and therefore the rotary seat plate abuts against the connecting plate and the buckling plate to rotate.

Preferably, when the cover is closed, the rotary seat plate is in a first position, when the cover is opened, the rotary seat plate is in a second position, the abutting block is provided with an inclined step, the lower end of the inclined step is positioned on one side of the first position of the rotary seat plate, the high end of the inclined step is positioned on one side of the second position of the rotary seat plate, and the abutting part is in vertical abutting connection with the inclined step.

Based on the technical scheme, the abutting block is provided with the inclined step, the inclined step is arranged so as to facilitate the automatic rotation of the rotary seat plate, and when the pot cover is pressed down, the pot cover and the pot body can be closed.

Preferably, the lower end of the buckling plate is provided with a buckling groove, the upper end of the connecting buckle plate protrudes to form a buckling convex block, and the buckling convex block is clamped with the buckling groove when the cover is closed.

Based on the technical scheme, the buckling groove is formed in the lower end of the buckling plate, and the buckling between the buckling plate and the connecting buckle plate is realized through the buckling groove.

Preferably, the spring comprises a first spring and a second spring, the buckling assembly further comprises a connecting column, one end of the first spring is connected with the bottom wall of the connecting plate, the other end of the first spring is connected with the connecting column, one end of the second spring is connected with the connecting column, and the other end of the second spring is connected with the lining.

Based on the technical scheme, the automatic rotation of the rotary seat plate is realized through the first spring and the second spring.

Preferably, a positioning column is arranged on the lining, a positioning groove is formed in the positioning column, the positioning groove is arranged in the vertical direction, the second spring is located in the positioning groove, and the connecting column moves in the vertical direction in the positioning groove.

Based on the technical scheme, the positioning column is provided with the positioning groove, and the movement direction of the connecting column is limited through the positioning groove.

Preferably, the lining is further provided with a limiting column, the limiting column is located in the positioning groove, a limiting cavity is formed in the limiting column, and the second spring is connected with the bottom wall of the limiting cavity.

Based on the technical scheme, the expansion and contraction directions of the second springs are limited through the limiting cavity on the limiting column.

Preferably, the abutting end further comprises a connecting part, the connecting part and the abutting part are combined to form a mounting groove, and the lock catch hanging shaft penetrates through the limiting groove to be abutted against the inner wall of the mounting groove.

Based on the technical scheme, the connecting part and the abutting part are combined to form the mounting groove, so that the position of the lock catch hanging shaft is limited.

The implementation of the embodiment of the utility model has the following beneficial effects:

After the automatic cover-opening pressure cooking utensil is adopted, when the cover is closed, the lock catch pot teeth are in up-down butt joint with the inner pot teeth, the buckle plate is in butt joint with the connecting buckle plate, the driving assembly drives the rotary seat plate to rotate when the cover is opened, the rotary seat plate props against the lock catch hanging shaft to move along the direction of the limiting groove, the lock catch pot teeth are staggered with the inner pot teeth, meanwhile, the rotary seat plate props against one end of the buckle plate to move downwards, the other end of the buckle plate moves upwards to be separated from the connecting buckle plate, under the elastic action of the hinge spring, the pot cover is automatically separated from the pot body, under the elastic action of the spring, the rotary seat plate rotates to a certain angle, the cover can be closed by pressing the pot cover, and the problem that the automatic cover opening can not be realized by the pressure cooking utensil in the prior art is solved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Wherein:

FIG. 1 is a schematic view of an overall structure of an automatically uncapped pressure cooking appliance in one embodiment;

FIG. 2 is a schematic view of a part of a pressure cooking appliance with an automatic cover opening in one embodiment;

FIG. 3 is a schematic view of a partially exploded construction of an automatically uncapped pressure cooking appliance in one embodiment;

FIG. 4 is a schematic view showing a partial structure of a cover of a pressure cooking appliance with an automatic cover opening in one embodiment;

FIG. 5 is a schematic cross-sectional structure of a pressure cooking appliance with an automatic lid opening in one embodiment;

fig. 6 is an enlarged view of a portion a in fig. 5.

Reference numerals illustrate: 1. a pot body; 11. a housing; 111. a mounting cavity; 112. the connecting buckle plate; 113. a buckling convex block; 12. an inner pot; 121. inner pot teeth; 2. a pot cover; 21. a face cover; 22. a lining; 221. installing a cavity; 222. a limit groove; 223. a first limit part; 224. a second limit part; 225. a mounting plate; 226. positioning columns; 2261. a positioning groove; 227. a limit column; 2271. a limiting cavity; 228. a hinge spring; 229. a hinge shaft; 23. an inner cover; 24. a lock catch cover; 241. locking pot teeth; 242. a locking hanging shaft; 25. rotating the seat plate; 251. a rack; 252. a seat plate body; 253. a rotating end; 254. an abutting end; 255. an abutting portion; 256. a connection part; 257. a mounting groove; 258. rotating the hand; 3. a drive assembly; 31. a motor; 32. a gear; 4. a buckling component; 41. a buckle plate; 411. a buckling plate; 4111. a mounting hole; 4112. a buckling groove; 412. a connecting plate; 4121. an abutment block; 4122. an inclined step; 413. a connecting shaft; 42. a spring; 421. a first spring; 422. a second spring; 43. and (5) connecting the columns.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, an embodiment of the utility model provides an automatic cover-opening pressure cooking appliance, which comprises a pot body 1, a pot cover 2, a driving component 3 and a buckling component 4, wherein the pot body 1 is in up-down abutting joint with the pot cover 2, when the pot cover is closed, the pot cover 2 is in sealing fit with the pot body 1, the driving component 3 is arranged in the pot cover 2, a rotary seat plate 25 is arranged in the pot cover 2, the buckling component 4 is arranged in the pot cover 2, when the cover is opened, the driving component 3 drives the rotary seat plate 25 to rotate, and the rotary seat plate 25 abuts against the buckling component 4, so that the pot body 1 and the pot cover 2 are staggered, and the cover opening is realized.

Referring to fig. 2 and 3, the pan body 1 includes a housing 11 and an inner pan 12, the housing 11 is provided with a mounting cavity 111, the inner pan 12 is disposed in the mounting cavity 111, and inner pan teeth 121 are disposed on the inner pan 12.

Referring to fig. 3, the pot cover 2 includes a surface cover 21, an inner liner 22, an inner cover 23 and a locking cover 24, wherein the surface cover 21 is connected with the inner liner 22 and covers the inner liner 22, the inner cover 23 is connected with the inner liner 22 through fastening structures such as screws and bolts, the locking cover 24 is rotatably connected with the inner cover 23, a mounting cavity 221 is formed in the inner liner 22, the inner cover 23 and the locking cover 24 are both positioned in the mounting cavity 221, locking teeth 241 are arranged on the locking cover 24, when the cover is closed, the locking teeth 241 are in up-down abutting connection with the inner teeth 121, and when the cover is opened, the locking teeth 241 are staggered with the inner teeth 121 so as to facilitate cover opening.

Referring to fig. 2, the driving assembly 3 includes a motor 31 and a gear 32, the motor 31 is connected with the inner liner 22, the gear 32 is connected with an output shaft of the motor 31, a rack 251 is provided on the rotating seat plate 25, the gear 32 is meshed with the rack 251, the rotating seat plate 25 is rotatably connected with the inner liner 22, and the motor 31 drives the gear 32 and the rack 251 to rotate, thereby rotating the rotating seat plate 25.

Referring to fig. 2 and 4, a limiting groove 222 is formed in the liner 22, a locking hanging shaft 242 is arranged on the locking cover 24, a mounting groove 257 is formed in the rotary seat plate 25, the locking hanging shaft 242 passes through the limiting groove 222 to be abutted against the inner wall of the mounting groove 257, and when the rotary seat plate 25 rotates, the locking hanging shaft 242 and the locking cover 24 are driven to rotate so as to realize that the locking teeth 241 are staggered with the inner teeth 121.

Referring to fig. 2 and 4, the liner 22 is provided with a first limiting portion 223 and a second limiting portion 224, when the rotary seat plate 25 is in the first position, the rotary seat plate 25 is abutted against the first limiting portion 223, the inner pot teeth 121 are abutted against the locking pot teeth 241 up and down, and when the rotary seat plate 25 is in the second position, the rotary seat plate 25 is abutted against the second limiting portion 224, and the inner pot teeth 121 are staggered from the locking pot teeth 241.

Referring to fig. 4, the buckling assembly 4 includes a buckling plate 41 and a spring 42, the buckling plate 41 is rotationally connected with the inner liner 22, one end of the spring 42 is connected with the buckling plate 41, the other end of the spring 42 is connected with the inner liner 22, a connecting buckling plate 112 is arranged on the shell 11, and when the cover is closed, the connecting buckling plate 112 is in vertical butt joint with the buckling plate 41.

Referring to fig. 4, 5 and 6, the buckle 41 includes a buckle plate 411, a connecting shaft 413 and a connecting plate 412, a mounting plate 225 is disposed on the liner 22, a mounting hole 4111 is disposed at an upper end of the buckle plate 411, the connecting shaft 413 passes through the mounting hole 4111 and is rotationally connected with the mounting plate 225, the buckle plate 411 is connected with the connecting plate 412, the buckle plate 411 and the connecting plate 412 are vertically disposed, the buckle plate 411 is vertically disposed, the connecting plate 412 is horizontally disposed, an upper end of the spring 42 is connected with a bottom wall of the connecting plate 412, a lower end of the spring 42 is connected with the liner 22, a buckle groove 4112 is disposed at a lower end of the buckle plate 411, a buckle bump 113 is formed by protruding an upper end of the connecting buckle plate 112, when the cover is opened, a bottom wall of the rotary seat plate 25 is in contact with a top wall of the connecting plate 412 up and down, the buckle bump 113 is separated from the buckle groove 4112, when the cover is closed, the rotary seat plate 25 is separated from the connecting plate 412, and the buckle bump 113 is clamped in the buckle groove 4112.

Referring to fig. 6, an abutment block 4121 is formed to protrude from the top wall of the connection plate 412, the abutment block 4121 having an inclined step 4122, the lower end of the inclined step 4122 being located on the side where the rotation seat plate 25 is located at the first position, and the higher end of the inclined step 4122 being located on the side where the rotation seat plate 25 is located at the second position.

Referring to fig. 2 and 4, the rotary seat plate 25 includes a seat plate body 252, one end of the seat plate body 252 forms a rotating end 253, the other end of the seat plate body 252 forms an abutting end 254, the rotating end 253 and the abutting end 254 are located at opposite sides, the rotating end 253 is rotatably connected with the liner 22, the abutting end 254 has an abutting portion 255 and a connecting portion 256, the mounting groove 257 is composed of the abutting portion 255 and the connecting portion 256, the length of the abutting portion 255 exceeds the length of the connecting portion 256, a gap exists between the connecting portion 256 and the connecting plate 412 when the rotary seat plate 25 rotates, and the bottom wall of the abutting portion 255 abuts against the inclined step 4122.

Referring to fig. 6, the spring 42 includes a first spring 421 and a second spring 422, the fastening assembly 4 further includes a connecting post 43, the upper end of the first spring 421 is connected with the bottom wall of the connecting plate 412, the lower end of the first spring 421 is connected with the connecting post 43, a positioning post 226 is provided on the liner 22, a positioning groove 2261 is provided on the positioning post 226, the positioning groove 2261 is arranged along the vertical direction, the connecting post 43 moves in the positioning groove 2261 along the vertical direction, a limiting post 227 is provided on the liner 22, the limiting post 227 is located at the lower half part of the positioning groove 2261, a limiting cavity 2271 is provided on the limiting post 227, the upper end of the second spring 422 is connected with the connecting post 43, and the lower end of the second spring 422 is connected with the bottom wall of the limiting cavity 2271.

Referring to fig. 2, a hinge spring 228 and a hinge shaft 229 are provided on the inner liner 22, the hinge spring 228 and the hinge shaft 229 are both positioned at the side wall of the inner liner 22, the shell 11 is hinged with the inner liner 22 through the hinge shaft 229, the hinge spring 228 passes through the hinge shaft 229 to be fixed on the inner liner 22, and when the locking teeth 241 are staggered with the inner teeth 121, the pot body 1 and the pot cover 2 can be separated through the elasticity of the hinge spring 228.

Referring to fig. 4 and 6, when the cover is closed, the rotary seat plate 25 is at the first position, the inner pan teeth 121 are abutted up and down with the locking pan teeth 241, the connecting buckle plate 112 is clamped with the buckling groove 4112, the motor 31 drives the gear 32 to rotate when the cover is opened, the gear 32 drives the rotary seat plate 25 to rotate to the second position, the locking hanging shaft 242 drives the locking cover 24 to rotate, so that the locking pan teeth 241 are staggered with the inner pan teeth 121, meanwhile, the abutting part 255 is abutted with the inclined step 4122, the connecting plate 412 rotates downwards, the buckling plate 411 rotates upwards, so that the buckling plate 411 is separated from the connecting buckle plate 112, under the action of the elastic force of the hinge spring 228, the pot cover 2 and the pot body 1 are automatically separated, at this moment, the motor 31 is in a non-working state, due to the arrangement of the inclined step 4122, the rotary seat plate 25 rotates by a certain angle under the action of the first spring 421 and the second spring 422, so that the buckling plate 411 also rotates to a certain angle, the pot cover 2 is pressed downwards, the buckling plate 411 is clamped with the connecting buckle plate 112, meanwhile, the inner pot teeth 121 and the locking pot teeth 241 return to a state of being in vertical abutting connection, the pot body 1 and the pot cover 2 are closed, and the pot cover 2 can be pressed down to be closed.

Referring to fig. 2, a rotating hand 258 is provided on the rotating end 253, and the rotating seat plate 25 can be rotated along with the rotating hand 258, so that the manual cover opening and closing can be realized.

The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.

Claims (10)

1. An automatic pressure cooking utensil of uncapping which characterized in that: the novel tooth-shaped dental floss cooker comprises a cooker body (1), a cooker cover (2), a driving assembly (3) and a buckling assembly (4), wherein the cooker body (1) comprises a housing (11) and an inner cooker (12), the inner cooker (12) is arranged in the housing (11), the cooker cover (2) comprises a lining (22), an inner sealing cover (23) and a locking cover (24), the lining (22) is connected with the inner sealing cover (23), the locking cover (24) is rotationally connected with the inner sealing cover (23), one end of the lining (22) is provided with a hinge spring (228) and a hinge shaft (229), the lining (22) is hinged with the housing (11) through the hinge shaft (229), the hinge spring (228) penetrates through the hinge shaft (229) to be fixed on the lining (22), the driving assembly (3) is connected with the lining (22), inner cooker teeth (121) are arranged on the inner cooker (12), and when the locking cover (24) is provided with the locking cover (241), the inner cooker (23) is in a locked joint with the inner cooker (12), and the inner cooker (121) is in a locked joint mode;

The rotary seat plate (25) is rotationally connected to the inner lining (22), the rotary seat plate (25) is connected with the driving assembly (3), a lock catch hanging shaft (242) is arranged on the lock catch cover (24), a limit groove (222) is formed in the inner lining (22), and the lock catch hanging shaft (242) penetrates through the limit groove (222) to be connected with the rotary seat plate (25);

The buckling assembly (4) comprises a buckling plate (41) and a spring (42), the buckling plate (41) is rotationally connected with the lining (22), one end of the spring (42) is connected with the buckling plate (41), the other end of the spring (42) is connected with the lining (22), a connecting buckling plate (112) is arranged on the shell (11), and when the shell is closed, the connecting buckling plate (112) penetrates through the lining (22) to be in vertical butt joint with the buckling plate (41);

When uncapping, drive assembly (3) are used for driving rotatory bedplate (25) rotate, rotatory bedplate (25) support and move the one end of buckle (41) moves downwards, the other end of buckle (41) upward movement with connect buckle (112) and stagger mutually, simultaneously, rotatory bedplate (25) drive hasp hanging scroll (242) are followed spacing groove (222) motion, interior pot tooth (121) with hasp pot tooth (241) stagger mutually, works as after drive assembly (3) stop work, spring (42) support and move buckle (41) with rotatory bedplate (25) certain angle of circling round, press pot cover (2), buckle (41) with connect buckle (112) looks lock.

2. An automatically uncapped pressure cooking appliance in accordance with claim 1 wherein: the driving assembly (3) comprises a motor (31) and a gear (32), the motor (31) is connected with the inner lining (22), the gear (32) is connected with an output shaft of the motor (31), a rack (251) is arranged on the rotary seat plate (25), and the rack (251) is meshed with the gear (32).

3. An automatically uncapped pressure cooking appliance in accordance with claim 1 wherein: the buckle (41) comprises a buckle plate (411), a connecting shaft (413) and a connecting plate (412), wherein the buckle plate (411) is connected with the connecting plate (412), the buckle plate (411) is perpendicular to the connecting plate (412), a mounting hole (4111) is formed in the buckle plate (411), a mounting plate (225) is arranged on the lining (22), the connecting shaft (413) penetrates through the mounting hole (4111) and is connected with the mounting plate (225) in a rotating mode, a spring (42) is connected with the bottom wall of the connecting plate (412), and when the cover is opened, the rotating seat plate (25) is in vertical butt joint with the connecting plate (412).

4. An automatically uncapped pressure cooking appliance in accordance with claim 3, wherein: the rotary seat plate (25) comprises a rotary end (253) and an abutting end (254), the rotary end (253) is rotationally connected with the lining (22), the abutting end (254) is provided with an abutting portion (255), the top wall of the connecting plate (412) protrudes to form an abutting block (4121), and when the cover is opened, the bottom wall of the abutting portion (255) abuts against the top wall of the abutting block (4121).

5. An automatically uncapped pressure cooking appliance in accordance with claim 4 wherein: when the cover is closed, the rotary seat plate (25) is positioned at a first position, when the cover is opened, the rotary seat plate (25) is positioned at a second position, the abutting block (4121) is provided with an inclined step (4122), the lower end of the inclined step (4122) is positioned at one side of the first position of the rotary seat plate (25), the high end of the inclined step (4122) is positioned at one side of the second position of the rotary seat plate (25), and the abutting part (255) is in vertical abutting connection with the inclined step (4122).

6. An automatically uncapped pressure cooking appliance in accordance with claim 3, wherein: the lower end of the buckling plate (411) is provided with a buckling groove (4112), the upper end of the connecting buckle plate (112) protrudes to form a buckling projection (113), and when the cover is closed, the buckling projection (113) is clamped with the buckling groove (4112).

7. An automatically uncapped pressure cooking appliance in accordance with claim 3, wherein: the spring (42) comprises a first spring (421) and a second spring (422), the buckling assembly (4) further comprises a connecting column (43), one end of the first spring (421) is connected with the bottom wall of the connecting plate (412), the other end of the first spring (421) is connected with the connecting column (43), one end of the second spring (422) is connected with the connecting column (43), and the other end of the second spring (422) is connected with the lining (22).

8. An automatically uncapped pressure cooking appliance in accordance with claim 7 wherein: the lining (22) is provided with a positioning column (226), the positioning column (226) is provided with a positioning groove (2261), the positioning groove (2261) is arranged in the vertical direction, the second spring (422) is positioned in the positioning groove (2261), and the connecting column (43) moves in the positioning groove (2261) in the vertical direction.

9. An automatically uncapped pressure cooking appliance in accordance with claim 8 wherein: still be provided with spacing post (227) on inside lining (22), spacing post (227) are located in constant head tank (2261), spacing cavity (2271) have been seted up on spacing post (227), second spring (422) with the diapire of spacing cavity (2271) is connected.

10. An automatically uncapped pressure cooking appliance in accordance with claim 4 wherein: the abutting end (254) further comprises a connecting portion (256), the connecting portion (256) and the abutting portion (255) are combined to form an installation groove (257), and the lock catch hanging shaft (242) penetrates through the limiting groove (222) to be abutted against the inner wall of the installation groove (257).