Air exhausting and locking pressure cooker cover

Abstract

The utility model discloses an air exhausting and locking pressure cooker cover which covers a cooker body and comprises a pressure cover, a panel, a buckling assembly, a safety valve assembly used for assisting in exhausting, a working valve assembly used for exhausting and adjusting pressure, a lever structure, a driving structure, a rotating assembly, a center stud and a center nut. The center stud sequentially penetrates through the rotating assembly, the driving structure and the pressure cover and then is screwed with the center nut. The lower end of the rotating assembly is connected with the driving structure. The inner end of the buckling assembly is connected with the driving structure, and the buckling assembly rotates along with the driving structure, slides along the pressure cover and fastens or loosens a group of opposite side edges of the cooker cover and the cooker body; one end of the lever structure is connected with the driving structure, the other end of the lever structure is connected with the working valve assembly, and the lever structure is driven by the driving structure to open or close the working valve assembly. The safety valve assembly is installed on the pressure cover. The pot cover is convenient to exhaust and lock air, can be sealed and pressurized, timely exhausts and relieves pressure in a pot, shortens cooking time, and achieves the purposes of energy conservation and environmental protection.

Description

Technical Field

[0001] This utility model relates to the field of kitchen cooking utensils technology, and in particular to a pressure cooker lid with exhaust and air-locking function. Background Technology

[0002] Currently, some cookware on the market lacks a vent, while others have a constantly open vent. During cooking, steam escapes through the vent or the area where the lid meets the pot, resulting in excessive steam loss. This causes excessive water loss and the removal of some nutrients, as well as wasted energy. Cookware with a constantly open vent requires more energy to cook, while cookware without a vent releases steam through the lid's contact with the pot, which can sometimes lead to sudden bursts of steam that could injure the cook. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide a pressure cooker lid with exhaust and air-locking function.

[0004] This utility model is achieved through the following technical solution: a pressure cooker lid with venting and airlock, placed on the pot body, including a pressure lid, a panel, a fastening assembly, a safety valve assembly for auxiliary venting, a working valve assembly for venting and pressure regulation, a lever structure, a drive structure, a rotating assembly, a central stud, and a central nut; the lower part of the rotating assembly passes through the panel, the central stud passes through the rotating assembly, the drive structure, and the pressure lid in sequence and is tightened with the central nut, the lower end of the rotating assembly is connected to the drive structure and drives the drive structure to rotate; the inner end of the fastening assembly is connected to the drive structure, and the fastening assembly slides along the pressure lid as the drive structure rotates, fastening or loosening the lid and a set of opposite sides of the pot body; one end of the lever structure is connected to the drive structure, and the other end is connected to the working valve assembly, the lever structure opens or closes the working valve assembly as driven by the drive structure; the safety valve assembly is installed on the pressure lid and can slide up and down along it, the lower end of the safety valve assembly communicates with the interior of the pot body, and its upper end extends out of the panel or retracts into the panel as the air pressure changes.

[0005] When the rotating assembly is rotated, the working valve assembly can be opened or closed by the lever structure driven by the drive structure, thereby realizing the functions of venting and depressurizing or regulating the pressure inside the pot; the lid can be opened and closed by one hand by the drive structure pushing the latching assembly.

[0006] The pressure cap has a first guide groove and a first central hole, the first central hole being located in the center of the pressure cap and within the first guide groove; a pair of fastening components are symmetrically arranged, each pair of fastening components including a connector and a pressure ring disposed at the outer end of the connector, the outer side of the connector having a first mounting hole, and the inner side of the connector having a guide post; the connector is installed in the first guide groove and can slide along it, the two pressure rings movably fasten or loosen the lid and the pot body; the driving structure includes a fixed base and an opening / closing knob; the fixed base has a second central hole, a second guide groove, and a first positioning hole, the second guide groove having two sections, respectively disposed on both sides of the second central hole, the first positioning hole being disposed on the side wall of the fixed base and penetrating the side wall; the opening / closing knob... The knob has a third central hole, a third guide groove, and a first locking element; there are two third guide grooves, located on either side of the third central hole; the side wall of the opening / closing knob has an inclined limiting groove; the upper part of the fixing base is detachably installed on the lower side of the panel, and the opening / closing knob is located inside the fixing base; the lower end of the rotating assembly is connected to the first locking element and drives the opening / closing knob to rotate; the guide post passes through the second guide groove and is embedded in the third guide groove; the inner end of the lever structure has a ball head structure, which passes through the first positioning hole and is locked in the limiting groove. When the opening / closing knob rotates, the limiting groove slides along the ball head structure; the central stud passes through the rotating assembly, the third central hole, the second central hole, and the first central hole in sequence and is tightened with the central nut. When the opening / closing knob rotates, the third guide groove drives the guide post to force the connecting piece to move inward or outward, thereby causing the pressure ring to fasten or loosen the lid and the pot body. The ball head structure of the lever structure cooperates with the limiting groove. When the opening and closing knob is turned, the limiting groove can slide along the ball head structure, forcing the ball head structure to move, thereby making the lever structure work and opening or closing the working valve assembly.

[0007] The second guide groove is a straight guide groove, and its length direction is consistent with that of the first guide groove. The third guide groove gradually extends inward from the outside of the opening and closing knob to form an arc-shaped guide groove. The arc-shaped guide groove structure forces the guide post to slide and twist within the guide groove, thereby pulling the connecting piece to extend or retract, thus realizing the opening and closing function of the pressure ring.

[0008] The pressure cover has a recess and a first vent hole, and the panel has a second mounting hole; the working valve assembly includes a fixed sleeve, a positioning shaft, a lifting component, a valve tube, a valve nut, a working valve spring, a valve core, and a valve housing; the fixed sleeve has an upward-opening mounting groove at the front, a third mounting hole penetrating the bottom of the fixed sleeve at the lower part of the mounting groove, a fourth mounting hole penetrating the bottom of the fixed sleeve at the rear of the mounting groove, and a second positioning hole at the rear of the fixed sleeve; the valve tube is a cylindrical structure with a hollow channel running through it, and a first protruding ring protruding outward from its upper outer circumference; one end of the lifting component has a first positioning cylinder and a fifth mounting hole, and the other end has a positioning post, the positioning post having a first retaining groove; The fifth mounting hole is located above the first positioning cylinder and passes through the upper and lower sides of the lifting component; the valve core is a cylindrical structure with a chamber and an opening facing downwards, and the lower outer periphery of the valve core protrudes outwards to form a second raised ring; the lower end of the fixing sleeve is placed in the recess, and the lower part of the valve tube passes through the third mounting hole and the first vent hole of the fixing sleeve in sequence and is then threaded and tightened with the air valve nut, the lower side of the first raised ring abuts against the lower structure of the mounting groove around the third mounting hole; the air valve nut has a second vent hole, which connects the hollow channel of the valve tube with the space of the pot body; the valve core, the working valve spring and the lifting component are placed in sequence in the mounting groove of the fixing sleeve, and the valve... The lower end of the core is detachably inserted into the hollow channel of the valve tube; the lower end of the working valve spring abuts against the upper side of the second protruding ring, and its upper end abuts against the wall of the lifting component around the fifth mounting hole; the first positioning cylinder of the lifting component is movably sleeved in the mounting groove of the fixed sleeve and can slide up and down along it; the positioning pin is inserted into the fourth mounting hole and can move up and down along it; the lever structure has a sixth mounting hole in the middle and a fork structure at its outer end; the lever structure passes through the second positioning hole, the sixth mounting hole, and the second positioning hole in sequence through the positioning shaft and is then hinged to the fixed sleeve; the fork structure of the lever structure is engaged in the first slot of the positioning pin; the air valve housing is installed on the fixed sleeve. Within the second mounting hole, the valve housing has a third exhaust hole extending through its upper and lower sides, and the valve housing is located above the mounting groove. The fixing sleeve has wing plates with screw holes on both sides, and a pair of second positioning cylinders are located on the lower side of the panel. The fixing sleeve is locked inside the second positioning cylinders by fastening screws passing through the screw holes. The valve core extends out of or retracts into the fifth mounting hole under the pressure of the working valve spring. The valve core rises and lifts the lifting component, and the second exhaust hole, the hollow channel of the valve tube, the mounting groove, and the third exhaust hole connect to form an exhaust channel. The lever structure applies pressure to lower the lifting component, causing the valve core to descend accordingly, closing the hollow channel of the valve tube. The first protruding ring presses against the lower structure of the mounting groove to prevent the valve tube from falling off. The lower part of the valve tube is threadedly connected to the valve nut, enabling the fixing sleeve to be securely installed.The mounting groove provides guidance for the first positioning cylinder. The second positioning cylinder is positioned relative to the screw hole by fastening screws, which prevents the working valve assembly from shaking.

[0009] The rotating assembly includes a lid handle and a decorative handle piece. The upper part of the lid handle is an inverted frustum structure, and the lower part is a cylindrical structure with stages. The lid handle has a receiving cavity that extends from top to bottom through it. The lower cylindrical structure of the lid handle has a second slot, into which a first locking member is embedded. The upper part of the central stud protrudes outward to form a third protruding ring. When the central stud passes through the receiving cavity and is tightened with the central nut, the lower side of the third protruding ring abuts against the stage. The inner side of the frustum structure of the lid handle has a third slot, and the lower side of the decorative handle piece has a second locking member that is detachably inserted into the third slot. The cooperation between the first locking member and the second slot enables the lid handle to be linked with the opening and closing knob. The cooperation between the second locking member and the third slot enables the frustum structure of the lid handle and the decorative handle piece to be snapped together.

[0010] The fixing base is provided with a third locking member, and the panel is provided with a third positioning cylinder and a fourth positioning cylinder, with the third positioning cylinder located inside the fourth positioning cylinder. The lower part of the rotating component passes through the third positioning cylinder, and the fourth positioning cylinder has a fourth locking groove, into which the third locking member is detachably locked. A circular groove is formed in the middle of the first guide groove, and the fixing base is placed in the circular groove. The circular groove limits the fixing base and prevents lateral displacement. The cooperation between the third locking member and the fourth locking groove enables the fixing base to be fastened and fixed to the panel.

[0011] The third card is provided in three parts, evenly distributed on the fixed base, and the number of the fourth card slots matches the number of the third card.

[0012] The lever structure has a double-forked head with U-shaped slots. There are two first slots, located opposite each other on the positioning post. The double plugs of the lever structure are respectively engaged in the two first slots. A third sealing ring is fitted around the outermost edge of the valve housing, clamping between the panel and the valve housing. The third sealing ring ensures a seal between the edge of the valve housing and the panel.

[0013] The safety valve assembly includes an upper safety valve component, a lower safety valve component, a safety valve spring, a safety valve core, a first sealing ring, and a second sealing ring. The upper safety valve component has a hollow interior with a fourth vent hole at its top connecting the cavity to the outside, and a fourth raised ring protruding outward from its lower periphery. The lower safety valve component is an upward-opening cylindrical structure with a fifth vent hole at its bottom surface. A fifth raised ring and a first annular groove are located on the outer periphery of the bottom of the lower safety valve component, with the first annular groove positioned above the fifth raised ring. The safety valve core has a second and a third annular groove at one end, and a spherical cap structure at the other end. The lower end of the upper safety valve component and the upper end of the lower safety valve component are screwed together by threads. The safety valve spring and the safety valve core are located within the cavity formed by the upper and lower safety valve components. One end of the safety valve spring abuts against the inner wall of the upper safety valve component, and the other end is engaged in the second annular groove, causing the upper safety valve component to... The ball-shaped cap structure of the safety valve core abuts against or opens the fifth vent hole; the first sealing ring is engaged in the third annular groove and, under the action of the safety valve spring, abuts against the inner wall of the lower safety valve component surrounding the fifth vent hole; the second sealing ring is engaged in the first annular groove, and the lower side of the second sealing ring abuts against the fifth protruding ring; the pressure cover has a seventh mounting hole, which is located at one end of the first guide groove, and the seventh mounting hole is opposite to the first mounting hole of the connector located on the same side; the panel has an eighth mounting hole, which is opposite to the seventh mounting hole; the safety valve assembly is fitted into the seventh mounting hole, the fourth protruding ring is located above the pressure cover, and the fifth protruding ring is located below the pressure cover; the top of the upper safety valve component passes through the first mounting hole and is located below the eighth mounting hole, and as the pressure inside the pot changes, the top of the upper safety valve component extends out of the eighth mounting hole or retracts into the eighth mounting hole. The ball-shaped cap structure of the safety valve core seals the fifth vent hole, creating a sealed pressurized function. When the ball-shaped cap structure opens the fifth vent hole, it allows for venting and depressurization of the contents of the pot. The first sealing ring prevents air leakage from the fifth vent hole.

[0014] The pressure cap has a fourth annular groove on its lower inner side, and a silicone ring can be detachably installed in the fourth annular groove; when the lid is placed on the pot body, the lower side of the silicone ring abuts against the upper edge of the pot body and the pot opening.

[0015] Compared with existing technologies, the advantages of this utility model are as follows: The pot lid adopts an integrated knob design to complete the opening and closing of the pressure cap and the adjustment of the working pressure, making operation simple, safe, and preventing incorrect operation; the pressure is controlled by the up-and-down movement of the working valve assembly through the upper and lower limit groove on the side wall of the opening and closing knob; the opening and closing of the pressure ring is controlled by the cooperation of the second and third guide grooves, so that the opening and closing knob can be operated in the same rotation; a one-button operation function for opening and closing the pressure ring and adjusting the working pressure is realized; the working pressure is adjusted by raising and lowering the working valve assembly through the lever principle; the venting and airlocking operation is convenient, allowing for sealed pressurization, timely venting and depressurization of the pot, shortening cooking time, and achieving energy saving and environmental protection. Attached Figure Description

[0016] Figure 1 This is an exploded view of the structure of an embodiment of the present utility model;

[0017] Figure 2 This is a cross-sectional view of the safety valve assembly in the case of the embodiment of the present invention, with the pot body in the closed state.

[0018] Figure 3 This is a partial cross-sectional view of the working valve assembly in the closed state, with the pot body in conjunction with the pot body;

[0019] Figure 4 This is a perspective view of the cover plate and rotating assembly in the upper direction according to an embodiment of the present utility model;

[0020] Figure 5 This is a perspective view of the cover plate and rotating assembly in a lower direction according to an embodiment of the present utility model;

[0021] Figure 6 for Figure 4 A sectional view taken along the direction of the eighth mounting hole;

[0022] Figure 7 This is a top view showing the cooperation between the pressure cover and the working valve assembly, the safety valve assembly, the fastening assembly, and the drive structure in an embodiment of the present utility model.

[0023] Figure 8 for Figure 7 Sectional view along line AA;

[0024] Figure 9 for Figure 7 Sectional view along the BB direction;

[0025] Figure 10 This is a perspective view of the pressure cover and the working valve assembly, safety valve assembly, fastening assembly, and drive structure in accordance with an embodiment of the present utility model.

[0026] Figure 11 for Figure 10A schematic diagram of the structure after removing the mounting bracket;

[0027] Figure 12 This is a schematic diagram of the lever structure, opening and closing knob, pot lid handle and connecting parts in an embodiment of this utility model;

[0028] Figure 13 for Figure 12 A sectional view taken longitudinally in the direction of the connector;

[0029] Figure 14 This is a schematic diagram of the structure of the pot lid handle in an embodiment of the present utility model;

[0030] Figure 15 This is a schematic diagram of the structure of the fixing base according to an embodiment of the present utility model;

[0031] Figure 16 This is a structural diagram of the fixing base in the lower direction according to an embodiment of the present invention;

[0032] Figure 17 This is a schematic diagram of the structure of the fixed base and the lever structure in an embodiment of the present invention;

[0033] Figure 18 for Figure 17 Top view;

[0034] Figure 19 This is a schematic diagram of the lever structure in an embodiment of the present invention;

[0035] Figure 20 This is a schematic diagram of the working valve assembly and lever structure in an embodiment of the present invention.

[0036] Figure 21 for Figure 20 A sectional view taken along the longitudinal direction;

[0037] Figure 22 This is a schematic diagram of the working valve assembly after removing the fixing sleeve and engaging with the lever structure in an embodiment of this utility model;

[0038] Figure 23 for Figure 22 A schematic diagram of the structure from the lower side;

[0039] Figure 24 This is a schematic diagram of the structure of the fixing sleeve in an embodiment of the present utility model;

[0040] Figure 25 for Figure 24 A schematic diagram of the structure from the lower side;

[0041] Figure 26 This is a longitudinal sectional view of the fixing sleeve in an embodiment of the present utility model;

[0042] Figure 27 This is a schematic diagram of the lifting component in an embodiment of the present utility model;

[0043] Figure 28 This is a schematic diagram of the lower side of the lifting component in an embodiment of this utility model;

[0044] Figure 29 This is a schematic diagram of the structure of the safety valve assembly according to an embodiment of the present invention;

[0045] Figure 30 This is a longitudinal sectional view of the safety valve assembly according to an embodiment of the present invention;

[0046] Figure 31 This is a cross-sectional view of the safety valve assembly in the embodiment of the present invention, with the pot body in the open position.

[0047] Figure 32 This is a partial cross-sectional view of the working valve assembly in the open state, showing the pot body in conjunction with the present invention.

[0048] The meanings of the reference numerals in the figure are as follows: 1. Pressure cap; 11. First guide groove; 12. First center hole; 13. Recess; 14. First vent; 15. Seventh mounting hole; 16. Fourth annular groove; 17. Silicone ring; 2. Panel; 21. Second mounting hole; 22. Second positioning cylinder; 23. Third positioning cylinder; 24. Fourth positioning cylinder; 25. Fourth groove; 26. Eighth mounting hole; 27. Limiting component; 3. Fastening assembly; 31. Connecting component; 32. Pressure ring; 33. First mounting hole; 34. Guide post; 4. Installation... 41. Safety valve upper part; 411. Fourth vent hole; 412. Fourth raised ring; 42. Safety valve lower part; 421. Fifth vent hole; 422. Fifth raised ring; 423. First annular groove; 43. Safety valve spring; 44. Safety valve core; 441. Second annular groove; 442. Third annular groove; 45. First sealing ring; 46. Second sealing ring; 5. Working valve assembly; 51. Fixing sleeve; 511. Mounting groove; 512. Third mounting hole; 513. Fourth mounting hole; 514. Two positioning holes; 515, screw hole; 52, positioning shaft; 53, lifting component; 531, first positioning cylinder; 532, fifth mounting hole; 533, positioning pin; 534, first slot; 54, valve tube; 541, first raised ring; 55, air valve nut; 551, second exhaust hole; 56, working valve spring; 57, working valve core; 571, second raised ring; 58, air valve housing; 581, third exhaust hole; 582, third sealing ring; 6, lever structure; 61, ball head structure; 62, sixth mounting hole; 6 3. Fork head structure; 7. Drive structure; 71. Fixed base; 711. Second center hole; 712. Second guide groove; 713. First positioning hole; 714. Third locking piece; 72. Opening and closing knob; 721. Third center hole; 722. Third guide groove; 723. First locking piece; 724. Limiting groove; 8. Rotating assembly; 81. Pot lid handle; 811. Second locking groove; 812. Third locking groove; 82. Handle decorative piece; 821. Second locking piece; 9. Center stud; 91. Third raised ring; 10. Center nut. Detailed Implementation

[0049] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0050] Example

[0051] See Figures 1 to 32This is a pressure cooker lid with venting and airlock, placed on the cooker body. It includes a pressure cap 1, a panel 2, a fastening assembly 3, a safety valve assembly for auxiliary venting 4, a working valve assembly for venting and pressure regulation 5, a lever structure 6, a drive structure 7, a rotating assembly 8, a central stud 9, and a central nut 10. The lower part of the rotating assembly 8 passes through the panel 2. The central stud 9 passes through the rotating assembly 8, the drive structure 7, and the pressure cap 1 in sequence before being tightened with the central nut 10. The lower end of the rotating assembly 8 is connected to the drive structure 7 and drives the drive structure 7 to rotate. The inner end of the fastening component 3 is connected to the drive structure 7. The fastening component 3 slides along the pressure cover 1 and fastens or loosens the lid and a set of opposite sides of the pot body as the drive structure 7 rotates. One end of the lever structure 6 is connected to the drive structure 7, and the other end is connected to the working valve assembly 5. The lever structure 6 opens or closes the working valve assembly 5 as the drive structure 7 drives it. The safety valve assembly 4 is installed on the pressure cover 1 and can slide up and down along it. The lower end of the safety valve assembly 4 is connected to the inside of the pot body, and its upper end extends out of the panel 2 or retracts into the panel 2 as the air pressure changes.

[0052] When the rotating component 8 is rotated, the working valve component 5 can be opened or closed by the lever structure 6 driven by the drive structure 7, thereby realizing the function of venting and depressurizing or regulating the pressure inside the pot; the opening and closing operation of the pot lid can be realized by one hand by driving the fastening component 3 driven by the drive structure 7.

[0053] The pressure cap 1 has a first guide groove 11 and a first central hole 12. The first central hole 12 is located in the center of the pressure cap 1 and is located within the first guide groove 11. A pair of fastening components 3 are symmetrically arranged. Each pair of fastening components 3 includes a connector 31 and a pressure ring 32 located at the outer end of the connector 31. A first mounting hole 33 is provided on the outer side of the connector 31, and a guide post 34 is provided on the inner side of the connector 31. The connector 31 is installed in the first guide groove 11 and can slide along it. The two pressure rings 32 can movably fasten or loosen the lid from the pot body. The drive structure 7 includes a fixed base 71 and an opening / closing knob 72. The fixed base 71 has a second central hole 711, a second guide groove 712, and a first positioning hole 713. There are two second guide grooves, respectively located on both sides of the second central hole 711. The first positioning hole 713 is located on the side wall of the fixed base 71 and penetrates through the side wall. The opening / closing knob 72 is... It has a third center hole 721, a third guide groove 722, and a first locking member 723; there are two third guide grooves 722, located on both sides of the third center hole 721 respectively; the side wall of the opening and closing knob 72 has an inclined limiting groove 724; the upper part of the fixed base 71 is detachably installed on the lower side of the panel 2, and the opening and closing knob 72 is located in the fixed base 71; the lower end of the rotating component 8 is connected to the first locking member 723 and drives the opening and closing knob 72 to rotate; the guide post 34 passes through the second guide groove and is embedded in the third guide groove 722; the inner end of the lever structure 6 is provided with a ball head structure 61, which passes through the first positioning hole 713 and is locked in the limiting groove 724. When the opening and closing knob 72 rotates, the limiting groove 724 slides along the ball head structure 61; the central stud 9 passes through the rotating component 8, the third center hole 721, the second center hole 711, and the first center hole 12 in sequence and is tightened with the central nut 10. When the opening / closing knob 72 is rotated, the third guide groove 722 drives the guide post 34 to force the connecting piece 31 to move inward or outward, thereby causing the pressure ring 32 to fasten or loosen the lid and the pot body. The ball head structure 61 of the lever structure 6 cooperates with the limiting groove 724. When the opening / closing knob 72 is rotated, the limiting groove 724 can slide along the ball head structure 61, forcing the ball head structure 61 to move, thereby causing the lever structure 6 to function and open or close the working valve assembly 5. In this embodiment, the limiting groove 724 is an elongated groove that tilts upward in a counterclockwise direction.

[0054] The second guide groove is a straight guide groove, and its length direction is consistent with that of the first guide groove 11. The third guide groove 722 gradually extends from the outside of the opening and closing knob 72 inward to form an arc-shaped guide groove. The arc-shaped guide groove 722 can force the guide post 34 to slide and twist within the guide groove, thereby pulling the connecting piece 31 to extend or retract, realizing the opening and closing function of the pressure ring 32.

[0055] The pressure cover 1 has a recess 13 and a first vent 14, and the panel 2 has a second mounting hole 21; the working valve assembly 5 includes a fixed sleeve 51, a positioning shaft 52, a lifting component 53, a valve tube 54, a valve nut 55, a working valve spring 56, a working valve core 57, and a valve housing 58; the fixed sleeve 51 has an upward-opening mounting groove 511 at the front, a third mounting hole 512 penetrating the bottom of the fixed sleeve 51 at the lower part of the mounting groove 511, a fourth mounting hole 513 penetrating the bottom of the fixed sleeve 51 at the rear part of the mounting groove 511, and a second positioning hole 514 at the rear of the fixed sleeve 51; the valve tube 54 is a cylindrical structure with a hollow channel through it, and a first protruding ring 541 is formed by an outward protrusion on its upper outer circumference; one end of the lifting component 53 has a first positioning hole. The first positioning cylinder 531 and the fifth mounting hole 532 are connected at one end, and the other end is provided with a positioning post 533. The positioning post 533 is provided with a first slot 534. The fifth mounting hole 532 is located above the first positioning cylinder 531 and passes through the upper and lower sides of the lifting component 53. The working valve core 57 is a cylindrical structure with a chamber and a downward opening. The lower outer circumference of the working valve core 57 protrudes outward to form a second protruding ring 571. The lower end of the fixing sleeve 51 is placed in the recess 13. The lower part of the valve tube 54 passes through the third mounting hole 512 and the first exhaust hole 14 of the fixing sleeve 51 in sequence and is then threaded and tightened with the air valve nut 55. The lower side of the first protruding ring 541 abuts against the lower structure of the mounting groove 511 around the third mounting hole 512. The air valve nut 55 is provided with a second exhaust hole 551. The vent 551 connects the hollow channel of the valve tube 54 to the space of the pot body; the working valve core 57, the working valve spring 56, and the lifting component 53 are sequentially placed in the mounting groove 511 of the fixed sleeve 51. The lower end of the working valve core 57 is detachably inserted into the hollow channel of the valve tube 54; the lower end of the working valve spring 56 abuts against the upper side of the second protruding ring 571, and its upper end abuts against the wall of the lifting component 53 around the fifth mounting hole 532. The first positioning cylinder 531 of the lifting component 53 is movably fitted into the mounting groove 511 of the fixed sleeve 51 and can slide up and down along it. The positioning pin 533 is inserted into the fourth mounting hole 513 and can move up and down along it; the lever structure 6 has a sixth mounting hole 62 in the middle and a fork structure 63 at its outer end; the lever structure 6 is connected to the positioning shaft 52. After passing through the second positioning hole 514 and the sixth mounting hole 62, the second positioning hole 514 is hinged to the fixed sleeve 51. The fork structure 63 of the lever structure 6 is engaged in the first slot 534 of the positioning post 533. The valve housing 58 is installed in the second mounting hole 21. The valve housing 58 has a third exhaust hole 581 that passes through its upper and lower sides. The valve housing 58 is located above the mounting groove 511. The fixed sleeve 51 has wing plates with screw holes 515 on both sides. The lower side of the panel 2 has a pair of second positioning cylinders 22. The fixed sleeve 51 is locked in the second positioning cylinders 22 after the fastening screw passes through the screw holes 515. The working valve core 57 extends out of the fifth mounting hole 532 or retracts into the fifth mounting hole 532 under the pressure of the working valve spring 56.The working valve core 57 rises, lifting the lifting component 53. The second exhaust port 551, the hollow channel of the valve tube 54, the mounting groove 511, and the third exhaust port 581 connect to form an exhaust channel. The lever structure 6 applies pressure, causing the lifting component 53 to descend, and the working valve core 57 descends accordingly, closing the hollow channel of the valve tube 54. The first protruding ring 541 abuts against the lower structure of the mounting groove 511, preventing the valve tube 54 from falling off. The lower part of the valve tube 54 is threadedly connected to the valve nut 55, enabling the fixed installation of the fixing sleeve 51. The mounting groove 511 provides a guide for the first positioning cylinder 531. The second positioning cylinder 22 and the screw hole 515 are positioned relative to each other by fastening screws, preventing the working valve assembly 5 from shaking.

[0056] The rotating assembly 8 includes a lid handle 81 and a handle decorative piece 82. The upper part of the lid handle 81 is an inverted frustum structure, and the lower part is a cylindrical structure with stages. The lid handle 81 has a receiving cavity that runs through it from top to bottom. The cylindrical structure at the bottom of the lid handle 81 has a second slot 811, and a first locking piece 723 is embedded in the second slot 811. The upper part of the central stud 9 protrudes outward to form a third protruding ring 91. When the central stud 9 passes through the receiving cavity and is tightened with the central nut 10, the lower side of the third protruding ring 91 abuts against the stage. The inner side of the frustum structure of the lid handle 81 has a third slot 812, and the lower side of the handle decorative piece 82 has a second locking piece 821, which is detachably locked into the third slot 812. The cooperation between the first locking piece 723 and the second slot 811 enables the lid handle 81 to be linked with the opening and closing knob 72. The cooperation between the second locking element 821 and the third locking slot 812 enables the snap-fit ​​fixing of the frustum structure of the lid handle 81 and the handle decorative piece 82. In this embodiment, there are three second locking elements 821, evenly distributed on the lower side of the handle decorative piece 82, and three corresponding third locking slots 812.

[0057] The fixed base 71 is provided with a third locking member 714, and the panel 2 is provided with a third positioning cylinder 23 and a fourth positioning cylinder 24, with the third positioning cylinder 23 located inside the fourth positioning cylinder 24. The lower part of the rotating component 8 passes through the third positioning cylinder 23, and the fourth positioning cylinder 24 has a fourth locking groove 25, into which the third locking member 714 can be detachably locked. A circular groove is formed in the middle of the first guide groove 11, and the fixed base 71 is placed in the circular groove. The circular groove can limit the fixed base 71 and prevent lateral displacement. The cooperation between the third locking member 714 and the fourth locking groove 25 can achieve the fastening and fixing of the fixed base 71 and the panel 2.

[0058] There are three third card pieces 714, which are evenly distributed on the fixed base 71. The number of fourth card slots 25 matches the number of third card pieces 714.

[0059] The lever structure 6 has a fork structure 63 with a double fork and a U-shaped groove. Two first grooves 534 are provided, located opposite each other on the positioning post 533. The two plugs of the lever structure 6 are respectively secured within the two first grooves 534. A third sealing ring 582 is fitted onto the outermost edge of the valve housing 58, clamping between the panel 2 and the valve housing 58. The third sealing ring 582 ensures a seal between the edge of the valve housing 58 and the panel 2.

[0060] Safety valve assembly 4 includes an upper safety valve part 41, a lower safety valve part 42, a safety valve spring 43, a safety valve core 44, a first sealing ring 45, and a second sealing ring 46. The upper safety valve part 41 has a hollow interior, with a fourth vent hole 411 at its top connecting the cavity to the outside, and a fourth protruding ring 412 protruding outward from its lower outer periphery. The lower safety valve part 42 is an upward-opening cylindrical structure, with a fifth vent hole 421 at its bottom surface, and a fifth protruding ring 422 and a second sealing ring 46 on the outer periphery of its bottom. The first annular groove 423 is located above the fifth protruding ring 422; one end of the safety valve core 44 is provided with a second annular groove 441 and a third annular groove 442, and the other end is a spherical cap structure; the lower end of the upper safety valve part 41 and the upper end of the lower safety valve part 42 are screwed together by a threaded connection; the safety valve spring 43 and the safety valve core 44 are located in the cavity formed by the upper safety valve part 41 and the lower safety valve part 42; one end of the safety valve spring 43 abuts against the inner wall of the upper safety valve part 41, and the other end is locked in the second annular groove 422. The groove 441 causes the ball-shaped cap structure of the safety valve core 44 to press against or open the fifth vent hole 421; the first sealing ring 45 is stuck in the third annular groove 442 and, under the action of the safety valve spring 43, presses against the inner wall of the safety valve lower part 42 around the fifth vent hole 421; the second sealing ring 46 is stuck in the first annular groove 423, and the lower side of the second sealing ring 46 presses against the fifth protruding ring 422; the pressure cover 1 has a seventh mounting hole 15, which is located on one end of the first guide groove 11, and the seventh mounting hole 15 is located on the same side as the first guide groove 11. The first mounting holes 33 of the connector 31 are positioned opposite each other; the panel 2 has an eighth mounting hole 26, which is positioned opposite to the seventh mounting hole 15; the safety valve assembly 4 is fitted inside the seventh mounting hole 15, with the fourth protruding ring 412 located above the pressure cover 1 and the fifth protruding ring 422 located below the pressure cover 1; the top of the safety valve upper part 41 passes through the first mounting hole 33 and is located below the eighth mounting hole 26. As the pressure inside the pot changes, the top of the safety valve upper part 41 extends outside the eighth mounting hole 26 or retracts into the eighth mounting hole 26. The ball-shaped cap structure of the safety valve core 44 seals the fifth vent hole 421, creating a sealed pressurization function. When the ball-shaped cap structure opens the fifth vent hole 421, it allows for venting and depressurization of the pot. The first sealing ring 45 prevents leakage from the fifth vent hole 421. In this embodiment, the diameters of the fourth protruding ring 412 and the fifth protruding ring 422 are both larger than the diameter of the first vent hole 14, so that the safety valve assembly 4 can only move within the range between the first protruding ring 541 and the fifth protruding ring 422. A pair of limiting members 27 are respectively provided on opposite sides of the lower side of the panel 2. Each pair of limiting members 27 is located on both sides of the connector 31. After assembly, the limiting members 27 can constrain the range of motion of the connector 31, preventing the connector 31 from shifting laterally.

[0061] The pressure cap 1 has a fourth annular groove 16 on the inner side of the lower part, and a silicone ring 17 can be detachably installed in the fourth annular groove 16; when the lid is placed on the pot body, the lower side of the silicone ring 17 presses against the upper edge of the pot body and the pot opening.

[0062] Pot lid handle 81 component installation:

[0063] 1) Place the opening and closing knob 72 on top of the fixed base 71, and insert the opening and closing knob 72 through the fixed base 71 from top to bottom;

[0064] 2) Place the fixing base 71 below the center of the panel 2, and fasten the fixing base 71 into the third slot 812 set below the panel 2 from bottom to top;

[0065] 3) Place the lid handle 81 above the center of the panel 2, and pass the lid handle 81 through the panel 2 from top to bottom, so that the second slot 811 set at the front end of the lid handle 81 locks the first clip 723 set above the opening and closing knob 72.

[0066] 4) Place the center stud 9 above the lid handle 81, and pass the center stud 9 through the lid handle 81, the opening and closing knob 72 and the fixing base 71 from top to bottom;

[0067] 5) Place the decorative piece 82 on top of the lid handle 81, align the second clip 821 below the decorative piece 82 with the third slot 812 on the lid handle 81, and clip the decorative piece onto the lid handle 81 from top to bottom.

[0068] Installation of working valve assembly 5:

[0069] 6) Place the valve tube 54 above the fixing sleeve 51 and insert the valve tube 54 into the hole set in the fixing sleeve 51 from top to bottom;

[0070] 7) Place the working valve spring 56 above the working valve core 57, and pass the working valve spring 56 through the working valve core 57 from top to bottom;

[0071] 8) Place the working valve core 57 above the fixing sleeve 51, insert the working valve core 57 into the hole set in the fixing sleeve 51 from top to bottom, and press it on the valve tube 54.

[0072] 9) Place the lifting component 53 above the fixed sleeve 51, insert the lifting component 53 into the hole set in the fixed sleeve 51 from top to bottom, and press it on the valve core 57 of the working valve.

[0073] 10) Place the valve housing 58 under the panel 2 and insert the valve housing 58 into the second mounting hole 21 set on the panel 2 from bottom to top;

[0074] 11) Place the third sealing ring 582 below the valve housing 58, and put the third sealing ring 582 on the outermost edge of the valve housing 58 from bottom to top;

[0075] 12) Place the fixing sleeve 51 directly below the third sealing ring 582, press the third sealing ring 582 from bottom to top with the upper end of the fixing sleeve 51, and then use the fastening screw to pass through the two screw holes 515 set in the fixing sleeve 51 to lock the fixing sleeve 51 in the position set below the panel 2.

[0076] 13) Place the lever structure 6 below the fixed sleeve 51, move the lever structure 6 from bottom to top to the position set by the fixed sleeve 51, and make the sixth mounting hole 62 of the lever structure 6 concentric with the second positioning hole 514 set by the fixed seat 71. At the same time, put the fork structure 63 of the lever structure 6 into the first slot 534 set by the lifting component 53, and pass the ball head of the front end of the lever structure 6 through the first positioning hole 713 set by the fixed seat 71 and finally lock it into the limiting groove 724 of the opening and closing knob 72.

[0077] 14) Place the positioning shaft 52 horizontally on one side of the fixed base 71, and insert the positioning pin into the second positioning hole 514 set in the fixed base 71 so that the lever structure 6 can be inserted into the fixed sleeve 51.

[0078] Safety valve assembly 4 installation:

[0079] 15) Place the first sealing ring 45 above the safety valve core 44, and fit the first sealing ring 45 onto the third annular groove 442 set on the safety valve core 44 from top to bottom;

[0080] 16) Place the safety valve core 44 above the safety valve lower part 42, and insert the safety valve core into the safety valve lower part 42 from top to bottom;

[0081] 17) Place the safety valve spring 43 above the safety valve core 44 and press the safety valve spring 43 onto the safety valve core from top to bottom;

[0082] 18) Place the second sealing ring 46 above the lower part of the safety valve 42, and fit the second sealing ring 46 onto the first annular groove 423 set on the outside of the lower part of the safety valve 42 from top to bottom;

[0083] 19) Place the lower part of the safety valve 42 under the pressure cover 1, and insert the lower part of the safety valve 42 into the seventh mounting hole 15 set on the pressure cover 1 from bottom to top;

[0084] 20) Place the upper part 41 of the safety valve above the lower part 42 of the safety valve, and tighten it from top to bottom above the lower part 42 of the safety valve through the set thread, so that the pressure cover 1 is stuck in the middle;

[0085] Pressure cap assembly 1 installation:

[0086] 21) Place the silicone ring 17 under the pressure cover 1 and secure the sealing ring inside the pressure cover 1 from bottom to top;

[0087] 22) Place the two pressure rings 32 on the left and right sides of the pressure cover 1 respectively, and close the pressure rings 32 in the set position of the pressure cover 1 from the outside to the inside;

[0088] Installation of rotary assembly 8, working valve assembly 5, and pressure cover assembly 1:

[0089] 23) Place the rotating assembly 8 above the pressure cover 1 assembly, and align the guide post 34 of the pressure ring 32 with the third guide groove 722 set by the opening and closing knob 72 of the pressure cover 1 assembly. Pass the guide post 34 of the pressure ring 32 into the third guide groove 722 set by the opening and closing knob 72 from bottom to top. Pass the central stud 9 of the rotating assembly 8 through the central hole set by the pressure cover 1, and then lock the central stud 9 onto the pressure cover 1 with the central nut 10. At the same time, pass the valve tube 54 in the working valve assembly 5 into the working valve mounting hole (first exhaust hole 14) set by the pressure cover 1, and then lock the valve tube 54 from below the pressure cover 1 with the valve nut 55. The overall installation of the pot cover is completed.

[0090] Pot body component installation:

[0091] 24) Place the two side ears on the left and right sides of the pot body, and bring the side ears close to the pot body from the outside to the inside, and weld the side ears to the designated positions on the pot body;

[0092] Overall installation:

[0093] 25) Place the lid on top of the pot body assembly, and then place the lid onto the pot body from top to bottom to complete the installation.

[0094] The working principle of this embodiment:

[0095] 1) When the lid handle 81 is turned counterclockwise, the opening and closing knob 72 is rotated. Since the limiting groove 724 of the opening and closing knob 72 is an elongated groove that slopes upwards in the counterclockwise direction, as the opening and closing knob 72 rotates, the limiting groove 724 causes the ball end of the lever structure 6 to rise. Through the lever principle, the fork structure 63 of the lever structure 6 descends. Since the fork structure 63 of the lever structure 6 is connected to the lifting member 53, the lifting member 53 descends. As the lifting member 53 descends, it forces the working valve spring 56 to compress. Therefore, the working valve spring 56 pushes the working valve core 57 towards... The tighter the pressure is applied, the more tightly the valve core 57 of the working valve is pressed, making it less likely for gas to escape from the working valve assembly 5 when the pot is heated, thus achieving gas locking and pressurization of the working valve assembly 5. In addition, when the opening and closing knob 72 is turned, the arc-shaped groove set in the opening and closing knob 72 will drive the guide post 34 set in the pressure ring 32 to tighten inward. When the lid handle 81 is rotated to the set limit position, the pressure ring 32 is tightened inward to the tightest state and the pot body is fastened, completing the lid closing action. Similarly, when the knob is turned clockwise, the gas valve (working valve assembly 5) can be used for venting and depressurizing, as well as opening the lid.

[0096] Innovation points:

[0097] 1) This embodiment is a pressure cover 1 designed with a lever structure 6 based on the lever principle, which realizes the adjustment of working pressure by increasing or decreasing pressure through an air valve;

[0098] 2) An integrated knob design is adopted to complete the opening and closing of the pressure cover 1 and the working pressure cycle, achieving simplicity and safety, and eliminating erroneous operation. The pressure is controlled by the up-and-down movement of the working valve assembly 5 by the limit groove 724 of the opening and closing knob 72. The second guide groove and the third guide groove 722 are designed to cooperate to control the opening and closing of the pressure ring 32, so that the opening and closing knob 72 can achieve one-button operation function for opening and closing the pressure ring 32 and adjusting the working pressure in the same rotation operation.

[0099] The above detailed description is a specific description of a feasible embodiment of the present utility model. This embodiment is not intended to limit the patent scope of the present utility model. All equivalent implementations or modifications that do not depart from the present utility model should be included in the patent scope of this case.

Claims

1. A pressure cooker lid with venting and airlock, the lid being placed on the cooker body, characterized in that: The device includes a pressure cap, a panel, a fastening assembly, a safety valve assembly for auxiliary venting, a working valve assembly for venting and pressure regulation, a lever structure, a drive structure, a rotating assembly, a central stud, and a central nut. The lower part of the rotating assembly passes through the panel. The central stud passes sequentially through the rotating assembly, the drive structure, and the pressure cap before being tightened with the central nut. The lower end of the rotating assembly is connected to the drive structure and drives its rotation. The inner end of the fastening assembly is connected to the drive structure. As the drive structure rotates, the fastening assembly slides along the pressure cap, fastening or loosening the lid and a pair of opposite sides of the pot body. One end of the lever structure is connected to the drive structure, and the other end is connected to the working valve assembly. The lever structure opens or closes the working valve assembly as it is driven by the drive structure. The safety valve assembly is mounted on the pressure cap and can slide up and down along it. The lower end of the safety valve assembly communicates with the interior of the pot body, and its upper end extends out of the panel or retracts into the panel depending on the air pressure.

2. The pressure cooker lid with exhaust and airlock as described in claim 1, characterized in that: The pressure cap has a first guide groove and a first central hole, the first central hole being located in the center of the pressure cap and within the first guide groove; a pair of fastening components are symmetrically arranged, each pair of fastening components including a connector and a pressure ring disposed at the outer end of the connector, the outer side of the connector having a first mounting hole, and the inner side of the connector having a guide post; the connector is installed in the first guide groove and can slide along it, the two pressure rings movably fasten or loosen the lid and the pot body; the driving structure includes a fixed base and an opening / closing knob; the fixed base has a second central hole, a second guide groove, and a first positioning hole, the second guide groove having two sections, respectively disposed on both sides of the second central hole, the first positioning hole being disposed on the side wall of the fixed base and penetrating the side wall; the opening / closing knob... The knob has a third center hole, a third guide groove, and a first locking element; there are two third guide grooves, located on both sides of the third center hole; the side wall of the opening and closing knob has an inclined limiting groove; the upper part of the fixed base is detachably installed on the lower side of the panel, and the opening and closing knob is located in the fixed base; the lower end of the rotating component is connected to the first locking element and drives the opening and closing knob to rotate; the guide post passes through the second guide groove and is embedded in the third guide groove; the inner end of the lever structure has a ball head structure, which passes through the first positioning hole and is locked in the limiting groove. When the opening and closing knob rotates, the limiting groove slides along the ball head structure; the central stud passes through the rotating component, the third center hole, the second center hole, and the first center hole in sequence and is tightened with the central nut.

3. The pressure cooker lid with venting and airlock as described in claim 2, characterized in that: The second guide groove is a straight guide groove, and the length direction of the second guide groove is consistent with the length direction of the first guide groove; the third guide groove gradually extends from the outside of the opening and closing knob to the inside to form an arc-shaped guide groove.

4. The pressure cooker lid with venting and airlock as described in claim 1, characterized in that: The pressure cover has a recess and a first vent hole, and the panel has a second mounting hole; the working valve assembly includes a fixed sleeve, a positioning shaft, a lifting component, a valve tube, a valve nut, a working valve spring, a working valve core, and a valve housing; the fixed sleeve has an upward-opening mounting groove at the front, a third mounting hole penetrating the bottom of the fixed sleeve at the lower part of the mounting groove, a fourth mounting hole penetrating the bottom of the fixed sleeve at the rear of the mounting groove, and a second positioning hole at the rear of the fixed sleeve; the valve tube is a cylindrical structure with a hollow channel running through it, and its upper outer circumference protrudes outward to form a first protruding ring; one end of the lifting component has a first positioning cylinder and a fifth mounting hole, and the other end has a positioning post, the positioning post having a first slot; the first The five mounting holes are located above the first positioning cylinder and penetrate the upper and lower sides of the lifting component; the working valve core is a cylindrical structure with a chamber and an opening facing downwards, and the lower outer periphery of the working valve core protrudes outwards to form a second raised ring; the lower end of the fixing sleeve is placed in the recess, and the lower part of the valve tube passes through the third mounting hole and the first vent hole of the fixing sleeve in sequence and is then threaded and tightened with the air valve nut, the lower side of the first raised ring abuts against the lower structure of the mounting groove around the third mounting hole; the air valve nut has a second vent hole, which connects the hollow channel of the valve tube with the space of the pot body; the working valve core, the working valve spring, and the lifting component are placed in sequence in the mounting groove of the fixing sleeve, and ... The lower end of the valve core is detachably inserted into the hollow channel of the valve tube; the lower end of the working valve spring abuts against the upper side of the second protruding ring, and its upper end abuts against the wall of the lifting component around the fifth mounting hole; the first positioning cylinder of the lifting component is movably sleeved in the mounting groove of the fixed sleeve and can slide up and down along it; the positioning pin is inserted into the fourth mounting hole and can move up and down along it; the lever structure has a sixth mounting hole in the middle and a fork structure at its outer end; the lever structure passes through the positioning shaft in sequence through the second positioning hole, the sixth mounting hole, and the second positioning hole and is then hinged to the fixed sleeve; the fork structure of the lever structure is engaged in the first slot of the positioning pin; the air valve housing is installed on the second... Inside the mounting hole, the valve housing has a third exhaust hole that extends through its upper and lower sides, and the valve housing is located above the mounting groove; the fixing sleeve has wing plates with screw holes on both sides, and a pair of second positioning cylinders are provided on the lower side of the panel; the fixing sleeve is locked in the second positioning cylinders after the fastening screw passes through the screw holes; the working valve core extends out of the fifth mounting hole or retracts into the fifth mounting hole under the pressure of the working valve spring; the working valve core rises and lifts the lifting component, and the second exhaust hole, the hollow channel in the valve tube, the mounting groove and the third exhaust hole are connected to form an exhaust channel; the lever structure applies pressure to lower the lifting component, and the working valve core falls accordingly, closing the hollow channel in the valve tube.

5. The pressure cooker lid with venting and airlock as described in claim 2, characterized in that: The rotating assembly includes a lid handle and a handle decorative piece. The upper part of the lid handle is an inverted frustum structure, and the lower part is a cylindrical structure with stages. The lid handle has a receiving cavity that extends from top to bottom through it. The lower cylindrical structure of the lid handle has a second slot, and the first locking member is embedded in the second slot. The upper part of the central stud protrudes outward to form a third protruding ring. When the central stud passes through the receiving cavity and is tightened with the central nut, the lower side of the third protruding ring abuts against the stage. The inner side of the frustum structure of the lid handle is provided with a third slot, and the lower side of the handle decorative piece is provided with a second locking member, which is detachably locked into the third slot.

6. The pressure cooker lid with venting and airlock as described in claim 2, characterized in that: The fixed base is provided with a third locking member, and the panel is provided with a third positioning cylinder and a fourth positioning cylinder, with the third positioning cylinder located inside the fourth positioning cylinder; the lower part of the rotating component passes through the third positioning cylinder, and the fourth positioning cylinder has a fourth locking groove, with the third locking member detachably locking into the fourth locking groove; a circular groove is formed in the middle of the first guide groove, and the fixed base is placed into the circular groove.

7. The pressure cooker lid with venting and airlock as described in claim 6, characterized in that: The third card is provided in three parts, evenly distributed on the fixed base, and the number of the fourth card slots matches the number of the third card.

8. The pressure cooker lid with venting and airlock as described in claim 4, characterized in that: The lever structure has a double fork with a U-shaped slot. There are two first slots, which are located on opposite sides of the positioning post. The double plug of the lever structure is respectively locked in the two first slots. A third sealing ring is fitted on the outermost edge of the valve housing, and the third sealing ring is clamped between the panel and the valve housing.

9. The pressure cooker lid with venting and airlock as described in claim 2, characterized in that: The safety valve assembly includes an upper safety valve component, a lower safety valve component, a safety valve spring, a safety valve core, a first sealing ring, and a second sealing ring. The upper safety valve component has a hollow interior with a fourth vent hole at its top connecting the cavity to the outside, and a fourth raised ring protruding outward from its lower periphery. The lower safety valve component is an upward-opening cylindrical structure with a fifth vent hole at its bottom surface. A fifth raised ring and a first annular groove are located on the outer periphery of the bottom of the lower safety valve component, with the first annular groove positioned above the fifth raised ring. The safety valve core has a second and a third annular groove at one end, and a spherical cap structure at the other end. The lower end of the upper safety valve component and the upper end of the lower safety valve component are screwed together by threads. The safety valve spring and the safety valve core are located within the cavity formed by the upper and lower safety valve components. One end of the safety valve spring abuts against the inner wall of the upper safety valve component, and the other end is engaged in the second annular groove, causing the upper safety valve component to... The ball-shaped cap structure of the safety valve core abuts against or opens the fifth vent hole; the first sealing ring is engaged in the third annular groove and, under the action of the safety valve spring, abuts against the inner wall of the lower safety valve component surrounding the fifth vent hole; the second sealing ring is engaged in the first annular groove, and the lower side of the second sealing ring abuts against the fifth protruding ring; the pressure cover has a seventh mounting hole, which is located at one end of the first guide groove, and the seventh mounting hole is opposite to the first mounting hole of the connector located on the same side; the panel has an eighth mounting hole, which is opposite to the seventh mounting hole; the safety valve assembly is fitted into the seventh mounting hole, the fourth protruding ring is located above the pressure cover, and the fifth protruding ring is located below the pressure cover; the top of the upper safety valve component passes through the first mounting hole and is located below the eighth mounting hole, and as the pressure inside the pot changes, the top of the upper safety valve component extends out of the eighth mounting hole or retracts into the eighth mounting hole.

10. The pressure cooker lid with venting and airlock as described in claim 1, characterized in that: The pressure cap has a fourth annular groove on its lower inner side, and a silicone ring can be detachably installed in the fourth annular groove; when the lid is placed on the pot body, the lower side of the silicone ring abuts against the upper edge of the pot body and the pot opening.

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