Knob type pressure cooker with timing function

Abstract

The knob type pressure cooker with the timing function comprises a cooker body and a cooker cover, the cooker cover covers the cooker body, the cooker cover comprises a pressure cover, and a rotary cover lug, an adjusting piece, a driving structure, a fastening structure, an exhaust valve and a timer with the temperature displaying and timing functions are installed on the pressure cover. The rotary cover lug is connected with the driving structure; the driving structure is connected with the adjusting piece and the fastening structure respectively; the exhaust valve is installed on the pressure cover, and the adjusting piece is controlled by the driving structure to clamp or loosen the exhaust valve so as to achieve air closing or exhausting. The fastening structure is controlled by the driving structure to fasten or loosen the pressure cover and the side edge of the pot body; the timer is detachably installed in the rotary cover lug, and the lower end of the timer is located in the pot body and communicated with the interior of the pot. According to the pressure cooker, opening, closing and pressure adjusting are integrated, and one-key control can be achieved; the pot cover adopts modular arrangement, can be divided into independent parts to be assembled, has a timing function, and can display the temperature in the pot in real time.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen cooking utensils, in particular to a rotary pressure cooker with a timing function. Background Art

[0002] Some pressure cookers on the market are prone to problems during use, such as the lid and the pot being in a semi-open state, which causes the lid not to latch onto the pot properly, resulting in pressure leakage inside the pot; or safety accidents may occur due to inattention to the excessive pressure inside the pot during steaming or boiling. The opening and closing methods of existing pressure cookers are complex and require both hands to cooperate to complete the operation, which is inconvenient; some pressure cookers also have overly complex structures, making it difficult for users to understand the usage methods. In addition, cooking food requires precise control of time, and many people often fail to grasp the time and temperature properly, resulting in the food not reaching the desired state. Often, people place an alarm clock in the kitchen, but the placement of the alarm clock also has inconveniences in terms of storage and use. Summary of the Utility Model

[0003] The purpose of the utility model is to overcome the above-mentioned deficiencies of the prior art and provide a rotary pressure cooker with a timing function.

[0004] The utility model is realized through the following technical solutions: a rotary pressure cooker with a timing function, comprising a pot body and a pot lid. The pot lid is placed above the pot body. The pot lid includes a pressure lid, and a rotary lid ear, an adjusting member, a driving structure, a fastening structure, an exhaust valve, and a timer with functions of displaying temperature and timing are installed on the pressure lid. The rotary lid ear is connected to the driving structure, and the driving structure is respectively connected to the adjusting member and the fastening structure. The exhaust valve is installed on the pressure lid. The adjusting member controls the exhaust valve to be clamped to achieve airtightness or controls the exhaust valve to be released to achieve exhaust with the control of the driving structure. The fastening structure controls the pressure lid and the side of the pot body to be fastened or loosened with the control of the driving structure. The timer is detachably installed in the rotary lid ear, and the lower end of the timer is located inside the pot body and communicates with the inside of the pot.

[0005] By controlling the rotary lid ear, the pressure lid and the pot body can be fastened or loosened through the fastening structure, and the exhaust valve can be controlled by the adjusting member to achieve airtight pressure retention or exhaust pressure relief; the setting of the timer can avoid staying by the stove for a long time.

[0006] The pressure cover includes an upper panel, a lower panel, an upper fastener, and a lower fastener; a first mounting hole is provided at the central position of the upper panel, the upper fastener passes through the first mounting hole and is fastened to the lower fastener, and the upper panel is clamped between the upper fastener and the lower fastener; a first mounting groove is provided at the central position of the lower fastener, and the driving structure is installed in the first mounting groove; the rotating cover ear passes through the upper fastener and is clamped on the lower fastener; a second mounting groove is formed by the rotating cover ear being recessed from top to bottom, and the timer is installed in the second mounting groove; the rotating cover ear is provided with a central column, the central column passes through the rotating cover ear, the lower fastener, and the lower panel from top to bottom and is locked with a first locking nut; the first locking nut is provided with a first through hole that communicates its inner and outer sides, a second through hole runs through the inside of the central column, and the second through hole communicates with the inner cavity of the first locking nut. The temperature measuring probe at the lower end of the timer is inserted into the second through hole from top to bottom; the lower fastener is provided with a first sleeve, the opening of the first sleeve penetrates the upper side surface of the lower fastener, the lower panel is provided with a second mounting hole, and the upper panel is provided with a third through hole; the exhaust valve includes a valve body, a valve cap, and a second locking nut. The valve body of the exhaust valve is provided with an exhaust passage that penetrates its lower side surface downward, and a first exhaust hole that penetrates the side wall of the valve body is provided on the side wall of the valve body. The first exhaust hole communicates with the exhaust passage; the valve cap is arranged on the top of the valve body, and the valve cap is provided with a second exhaust hole that penetrates its upper and lower side surfaces. The second exhaust hole communicates the first sleeve with the outside of the pot; the diameter of the valve cap is larger than the diameter of the valve body, and the diameter of the valve cap is larger than the inner diameter of the first sleeve; the valve body of the exhaust valve passes through the third through hole, the first sleeve, and the second mounting hole from top to bottom and is screwed tightly with the second locking nut. The adjusting member is driven by the driving structure to be inserted into or withdrawn from the first exhaust hole; the second locking nut is provided with a fourth through hole that communicates its inner and outer sides, and the exhaust passage communicates with the inside of the pot through the fourth through hole. The first through hole communicates with the second through hole inside the central column through the inner cavity of the first locking nut. The gas in the pot body can enter the second through hole to contact the temperature measuring probe, so as to realize real-time temperature acquisition, transmit the temperature to the timer and display it. The gas in the pot enters the exhaust passage of the valve body from the fourth through hole of the second locking nut. When the adjusting member withdraws from the first exhaust hole, the gas in the exhaust passage enters the first sleeve from the first exhaust hole and then is discharged from the second exhaust hole outside the pot, thereby realizing the pressure regulating function.

[0007] The driving structure is an eccentric block in the shape of a cylinder, with a third mounting hole penetrating its upper and lower sides at the center, and the central column is inserted into the third mounting hole; the eccentric block is clamped between the rotating cover ear and the lower fastener, and a first-level position is formed by inward depression on the outer periphery of the upper part of the eccentric block, and the upper fastener is sleeved on the first-level position; three eccentric grooves are formed at the bottom of the eccentric block, namely a first eccentric groove, a second eccentric groove, and a third eccentric groove; taking the direction perpendicular to the bottom surface of the eccentric block as the reference, the three eccentric grooves extend in the counterclockwise direction, the first eccentric groove is a circular groove that gradually slopes from the inside of the eccentric block to the outside, the second eccentric groove is a circular groove that gradually slopes from the outside of the eccentric block to the inside, and the third eccentric groove is a circular groove that gradually slopes from the outside of the eccentric block to the inside; the first eccentric groove is located outside the third eccentric groove; a pair of guide grooves penetrating the upper and lower sides of the first mounting groove are formed in the first mounting groove; the fastening structure includes a pair of pressure ring assemblies, and each pressure ring assembly includes a pressure ring, a guide cylinder, and a connecting piece with a fourth mounting hole, and the pressure ring and the guide cylinder are respectively connected to both ends of the connecting piece; the pressure ring is a U-shaped fastener extending in an arc shape, and its longitudinal section is a U-shaped clip; a third mounting groove is provided on the upper side of the lower panel, and the two connecting pieces are installed in the third mounting groove and can slide along it, and the two pressure rings movably fasten or release the pressure cover and the pot body; the guide cylinder of one connecting piece passes through one of the guide grooves and is sleeved in the second eccentric groove, and the guide cylinder of the other connecting piece passes through the other guide groove and is sleeved in the third eccentric groove; a pair of fourth mounting grooves are formed on a set of opposite sides of the lower fastener, and the two connecting pieces are located in the fourth mounting grooves, and the connecting pieces are clamped between the third mounting groove and the fourth mounting groove; one end of the adjusting piece is provided with a pull rod, and the pull rod is sleeved in the first eccentric groove. The setting of the eccentric groove can force the pressure ring assembly to push outwards to release the pressure cover and the pot body, or force the pressure ring assembly to push inwards to fasten the pressure cover and the pot body, and can also force the pull rod to drive the adjusting piece to close or open the first exhaust hole. The cooperation of the guide groove and the eccentric groove can restrict the movement range of the guide cylinder.

[0008] The adjusting member includes a positioning sleeve, inside which there are an air valve column, a pressure spring, a snap ring and a pressure adjusting link rod with a through hole in the middle; a fifth mounting hole communicating with the through hole is formed at the front end of the pressure adjusting link rod, and a pull rod is arranged at the rear end thereof; a sealing rubber plug is sleeved at the front end of the air valve column, a first annular raised ring is arranged in the middle of the air valve column, and a fifth mounting groove is arranged at the rear of the air valve column; the rear end of the air valve column passes through the fifth mounting hole and is located in the through hole, and the snap ring is clamped in the fifth mounting groove; the pressure spring is sleeved on the outer periphery of the air valve column, one end of which abuts against the first annular raised ring, and the other end abuts against the end face of the pressure adjusting link rod; the lower fastener is provided with a positioning card slot, the positioning sleeve is arranged in the positioning card slot, the positioning card slot is adjacent to the first sleeve, and a first guiding hole communicating with the first sleeve is formed in the positioning card slot, and the first guiding hole is opposite to the position of the first exhaust hole; a second guiding hole communicating the positioning card slot with the first mounting groove is formed in the lower fastener; the front end of the air valve column is inserted into the first guiding hole and can slide along it, and the rear end of the pressure adjusting link rod is inserted into the second guiding hole and can slide along it; the front end of the air valve column and the rear end of the pressure adjusting link rod respectively extend out of the positioning sleeve; the sealing rubber plug is clamped into the first exhaust hole or withdrawn from the first exhaust hole as the air valve column slides.

[0009] A second sleeve is arranged on the lower side of the rotary cover ear, the upper part of the inner cavity of the second sleeve communicates with the second mounting groove, and a second annular raised ring is formed by an inward protrusion in the lower part of the inner cavity of the second sleeve; the outer periphery of the central column is in a stepped structure with a gradually decreasing diameter from top to bottom, including a third annular raised ring, a fourth annular raised ring and a fifth annular raised ring; the top of the second through hole of the central column is recessed outward to form a second step, and the outer part of the rotary cover ear is in a stepped structure with a gradually decreasing diameter from top to bottom, and the lowermost step is screwed and tightened with the upper part of the second step by a thread; a sealing washer is sleeved on the outer periphery of the temperature measuring probe, the upper side of the sealing washer abuts against the lower side of the lowermost step of the rotary cover ear, and the lower side of the sealing washer abuts against the lower side of the second step; a sixth annular raised ring is arranged in a circle at the hole position where the lower fastener is centrally sleeved on the central column, the lower side of the third annular raised ring abuts against the upper side of the second annular raised ring, the lower side of the fourth annular raised ring abuts against the upper side of the sixth annular raised ring, and the lower side of the fifth annular raised ring abuts against the lower panel.

[0010] A third sleeve is provided on the lower side of the driving structure, and a spring post is arranged inside the third sleeve; a plurality of positioning concave holes are provided in the first installation groove of the lower fastener, and the plurality of positioning concave holes are distributed along the sliding track direction of the spring post, and the lower end of the spring post can move switchably along between the plurality of positioning concave holes. When the rotary cover ear is rotated, the spring post moves along the positioning concave holes and makes a jerky sound, enabling the operator to feel that it has been rotated to the set position and can stop further rotation.

[0011] The pressure cover is provided with a pressure limiting valve, and the pressure limiting valve includes an upper valve body, a tension spring, a valve plug, a first sealing ring, a second sealing ring and a lower valve body; the inside of the upper valve body is a cavity, and a third exhaust hole communicating with the cavity is provided at the top thereof, and a seventh annular convex ring is provided on the outer periphery of the lower part thereof; one end of the valve plug is respectively provided with a first annular clamping groove and a second annular clamping groove, and the other end thereof is a spherical segment structure; the lower valve body is a cylindrical structure with an upward opening, a fourth exhaust hole is provided at the bottom surface of the lower valve body, and a third annular clamping groove is provided around the bottom of the lower valve body; the lower end of the upper valve body and the upper end of the lower valve body are screwed and tightened together by threads, and the tension spring and the valve plug are located in the cavity formed by the upper valve body and the lower valve body; one end of the tension spring abuts against the inner wall of the upper valve body, and the other end thereof is stuck in the first annular clamping groove of the valve plug and urges the spherical segment structure of the valve plug to abut against or open the fourth exhaust hole; the first sealing ring is stuck in the second annular clamping groove and abuts against the inner wall of the lower valve body around the fourth exhaust hole under the action of the tension spring; the second sealing ring is stuck in the third annular clamping groove; the lower panel is provided with a sixth installation hole, the lower fastener is provided with a fourth sleeve having a cavity, and the cavity of the fourth sleeve penetrates through the upper and lower sides of the lower fastener, and the upper panel is provided with a seventh installation hole; during installation, the upper end of the lower valve body passes through the sixth installation hole from bottom to top and then is screwed and tightened together with the lower end of the upper valve body, and the upper end of the upper valve body passes through the fourth installation hole, the fourth sleeve and the seventh installation hole in sequence; the diameter of the sixth annular convex ring is larger than the diameter of the sixth installation hole, and the diameter of the bottom of the lower valve body is larger than the diameter of the sixth installation hole; a trapezoidal washer is installed in the sixth installation hole, and the trapezoidal washer is clamped between the lower valve body and the lower panel, and the lower side of the trapezoidal washer abuts against the upper side of the second sealing ring.

[0012] The spherical segment structure of the valve plug forms a seal for the fourth exhaust hole to create a pressurized environment. When the valve plug opens the fourth exhaust hole, the pressure in the pot can be relieved by exhausting; the diameters of the sixth annular convex ring and the bottom of the lower valve body are both larger than the diameter of the sixth installation hole, which can prevent the pressure limiting valve from falling off; the first sealing ring and the second sealing ring can prevent air leakage from the fourth exhaust hole and maintain the pressure maintaining function. The trapezoidal washer can seal the gap between the lower valve body and the lower panel.

[0013] A circle of anti-slip patterns is provided on the outer periphery of the rotary cover ear. The anti-slip patterns can enhance the friction force, which is beneficial for people to hold the rotary cover ear with their hands and rotate it.

[0014] The anti-slip patterns are a number of convex ribs arranged side by side vertically.

[0015] A pot handle is respectively installed on a pair of opposite sides of the pot body; the pot handle includes a pot ear, an upper handle part and a lower handle part. The pot ear is installed on the side wall of the pot body. The lower handle part is provided with a groove, the pot ear is sleeved in the groove, the upper handle part is sleeved in the groove, and the pot ear is clamped between the lower handle part and the upper handle part. The pot handle is assembled by a snap-fit method, hiding the pot ear between the upper handle part and the lower handle part, which is more beautiful and avoids being knocked.

[0016] Compared with the prior art, the advantages of the present utility model are as follows: This pressure cooker adopts an integrated setting of opening / closing and pressure regulation, reducing the tediousness of the opening / closing process and enabling one-key operation; it adopts a rotary method for opening and closing the lid, and adjusts to the required pressure by rotating the cover ear according to needs, suitable for various cooking pressure requirements; the pot lid adopts a modular setting, and the upper fastener and the lower fastener can be assembled into independent parts, reducing the correlation of installation; the setting of the timer has a timing function, can display the temperature inside the pot in real time, and starts timing when the temperature inside the pot reaches the set value. Description of the Drawings

[0017] Figure 1 It is a schematic exploded view of the structure of an embodiment of the present utility model;

[0018] Figure 2 It is a schematic structural view of an embodiment of the present utility model;

[0019] Figure 3 It is a side view of an embodiment of the present utility model;

[0020] Figure 4 is Figure 3 The sectional view taken along the line A-A in;

[0021] Figure 5 It is a top view of an embodiment of the present utility model;

[0022] Figure 6 is Figure 5 The sectional view taken along the line B-B in;

[0023] Figure 7 is Figure 6 The partial enlarged view at E in;

[0024] Figure 8 is Figure 5 The sectional view taken along the line C-C in;

[0025] Figure 9 isFigure 8 A partial enlarged view of point F in the middle;

[0026] Figure 10 for Figure 8 A partial enlarged view of the G in the middle;

[0027] Figure 11 for Figure 5 Middle DD section view;

[0028] Figure 12 for Figure 11 A partial enlarged view of the H in the middle;

[0029] Figure 13 It is a cross-sectional view of an embodiment of the utility model cut along the longitudinal direction through the exhaust valve;

[0030] Figure 14 for Figure 13 A partial enlarged view of point I in the middle;

[0031] Figure 15 This is a schematic diagram of the structure of the eccentric block, the exhaust valve and the connecting piece in the embodiment of the utility model;

[0032] Figure 16 This is a schematic diagram of the structure of the upper panel of an embodiment of the utility model;

[0033] Figure 17 This is a schematic diagram of the structure of the upper side of the upper fastener in the embodiment of the utility model;

[0034] Figure 18 This is a schematic structural diagram of the lower side of the upper fastener of the embodiment of the utility model;

[0035] Figure 19 It is a top view of the eccentric block of the embodiment of the utility model;

[0036] Figure 20 This is a schematic structural diagram of the upper side of the eccentric block of the utility model embodiment;

[0037] Figure 21 This is a schematic diagram of the structure of the lower side of the eccentric block of the embodiment of the utility model;

[0038] Figure 22 It is a top view of the lower fastener of the embodiment of the utility model;

[0039] Figure 23 It is a bottom view of the lower fastener of the embodiment of the utility model;

[0040] Figure 24 This is a schematic diagram of the structure of the upper side of the lower fastener of the embodiment of the utility model;

[0041] Figure 25 This is a schematic diagram of the structure of the lower side of the lower fastener of the embodiment of the utility model;

[0042] Figure 26 This is a schematic structural diagram of the lower side of the fastener from another perspective direction in the embodiment of the present utility model;

[0043] Figure 27 This is a schematic structural diagram of the cooperation between the exhaust valve and the adjusting member in the embodiment of the present utility model;

[0044] Figure 28 This is a cross-sectional view of the cooperation between the exhaust valve and the adjusting member in the embodiment of the present utility model, longitudinally sectioned;

[0045] Figure 29 This is a cross-sectional view of the pressure-limiting valve in the embodiment of the present utility model, longitudinally sectioned;

[0046] Figure 30 This is an exploded schematic structural diagram of the pressure-limiting valve in the embodiment of the present utility model.

[0047] Meanings of the reference numerals in the figures: 1, pot body; 21, lower panel; 211, second mounting hole; 212, third mounting groove; 213, sixth mounting hole; 22, upper panel; 221, first mounting hole; 222, third through hole; 223, seventh mounting hole; 31, lower fastener; 311, first mounting groove; 312, first sleeve; 313, guide groove; 314, fourth mounting groove; 315, positioning card slot; 316, first guide hole; 317, second guide hole; 318, sixth annular convex ring; 319, positioning concave hole; 310, fourth sleeve; 3101, L-shaped bayonet; 32, upper fastener; 321, clamping member; 4, eccentric block; 41, third mounting hole; 42, first stage; 43, first eccentric groove; 44, second eccentric groove; 45, third eccentric groove; 46, third sleeve; 47, spring post; 48, fifth sleeve; 49, plug-in; 5, adjusting member; 51, positioning sleeve; 52, air valve post; 53, pressure spring; 54, snap ring; 55, pressure adjusting link; 56, fifth mounting hole; 57, pull rod; 58, sealing rubber plug; 59, first annular convex ring; 510, fifth mounting groove; 511, through hole; 61, pressure ring; 62, guide cylinder; 63, connecting member; 64, fourth mounting hole; 7, exhaust valve; 71, air valve body; 711, exhaust passage; 712, first exhaust hole; 72, valve cap; 721, second exhaust hole; 73, second lock nut; 731, fourth through hole; 8, rotary cover ear; 81, second mounting groove; 82, center post; 821, second through hole; 822, third annular convex ring; 823, fourth annular convex ring; 824, fifth annular convex ring; 825, second stage; 83, first lock nut; 831, first through hole; 84, second sleeve; 85, second annular convex ring; 86, sealing washer; 87, anti-slip pattern; 88, slot; 9, pressure limiting valve; 91, upper valve body; 911, third exhaust hole; 912, seventh annular convex ring; 92, tension spring; 93, valve plug; 931, first annular card slot; 932, second annular card slot; 94, first sealing ring; 95, second sealing ring; 96, lower valve body; 961, fourth exhaust hole; 962, third annular card slot; 97, trapezoidal washer; 10, timer; 111, pot ear; 112, upper handle part; 113, lower handle part; 114, groove. Detailed implementation manners

[0048] The content of the present utility model will be further described in detail below in conjunction with the accompanying drawings and specific implementation manners.

[0049] Embodiment

[0050] Refer to Figures 1 to 30, which is a rotary pressure cooker with a timing function, includes a pot body 1 and a pot lid. The pot lid is placed above the pot body 1. The pot lid includes a pressure lid, on which a rotary lid ear 8, an adjusting member 5, a driving structure, a fastening structure, an exhaust valve 7 and a timer 10 with temperature display and timing functions are installed; the rotary lid ear 8 is connected to the driving structure, and the driving structure is respectively connected to the adjusting member 5 and the fastening structure; the exhaust valve 7 is installed on the pressure lid, and the adjusting member 5 controls to block the exhaust valve 7 to achieve airtightness along with the driving structure, or the adjusting member 5 controls to release the exhaust valve 7 to achieve exhaust along with the driving structure; the fastening structure controls to fasten or loosen the pressure lid and the side of the pot body 1 along with the driving structure; the timer 10 is detachably installed in the rotary lid ear 8, and the lower end of the timer 10 is located inside the pot body 1 and communicates with the inside of the pot.

[0051] By controlling the rotary lid ear 8, the pressure lid and the pot body 1 can be fastened or loosened through the fastening structure, and the exhaust valve 7 can be controlled by the adjusting member 5 to achieve airtight pressure keeping or exhaust pressure relief; the setting of the timer 10 can avoid staying by the stove for a long time.

[0052] The pressure cover includes an upper panel 22, a lower panel 21, an upper fastener 32 and a lower fastener 31; a first mounting hole 221 is provided at the central position of the upper panel 22, and after the upper fastener 32 passes through the first mounting hole 221, it is fastened to the lower fastener 31 (a plurality of clamping members 321 are provided on the outer periphery of the lower part of the upper fastener 32, and a plurality of L-shaped bayonets 3101 are provided on the peripheral wall of the first mounting groove 311 of the lower fastener 31. After the clamping member 321 is inserted into the vertical bayonet of the L-shaped bayonet 3101, it is rotated and snapped into the horizontal bayonet of the L-shaped bayonet 3101 to achieve fastening), and the upper panel 22 is clamped between the upper fastener 32 and the lower fastener 31; a first mounting groove 311 is provided at the central position of the lower fastener 31, and the driving structure is installed in the first mounting groove 311; the rotating cover ear 8 passes through the upper fastener 32 and is clamped on the lower fastener 31 (in this embodiment, a plurality of slots 88 are provided on the outer periphery of the second sleeve 84 of the rotating cover ear 8, and a fifth sleeve 48 is provided on the upper part of the lower fastener 31. A third mounting hole 41 and a plurality of inserts 49 distributed around the third mounting hole 41 are provided in the fifth sleeve 48. When the second sleeve 84 of the rotating cover ear 8 is sleeved into the fifth sleeve 48, the inserts 49 are snapped into the slots 88); a second mounting groove 81 is formed by the rotating cover ear 8 being recessed from top to bottom, and the timer 10 is installed in the second mounting groove 81; the rotating cover ear 8 is provided with a central column 82, and the central column 82 passes through the rotating cover ear 8, the lower fastener 31, and the lower panel 21 from top to bottom and is locked with a first locking nut 83; the first locking nut 83 is provided with a first through hole 831 that communicates its inner and outer sides, and a second through hole 821 runs through the inside of the central column 82, and the second through hole 821 communicates with the inner cavity of the first locking nut 83. The temperature measuring probe at the lower end of the timer 10 is inserted into the second through hole 821 from top to bottom; the lower fastener 31 is provided with a first sleeve 312, the opening of the first sleeve 312 penetrates the upper side surface of the lower fastener 31, the lower panel 21 is provided with a second mounting hole 211, and the upper panel 22 is provided with a third through hole 222; the exhaust valve 7 includes a valve body 71, a valve cap 72 and a second locking nut 73. The valve body 71 of the exhaust valve 7 is provided with an exhaust passage 711 that penetrates its lower side surface downward, and a first exhaust hole 712 that penetrates the side wall is provided on the side wall of the valve body 71, and the first exhaust hole 712 communicates with the exhaust passage 711; the valve cap 72 is arranged on the top of the valve body 71, and the valve cap 72 is provided with a second exhaust hole 721 that penetrates its upper and lower side surfaces, and the second exhaust hole 721 communicates the first sleeve 312 with the outside of the pot; the diameter of the valve cap 72 is larger than the diameter of the valve body 71, and the diameter of the valve cap 72 is larger than the inner diameter of the first sleeve 312; the valve body 71 of the exhaust valve 7 passes through the third through hole 222, the first sleeve 312, and the second mounting hole 211 from top to bottom and is screwed tightly with the second locking nut 73, and the adjusting member 5 is driven by the driving structure to be snapped into or withdrawn from the first exhaust hole 712; the second locking nut 73 is provided with a fourth through hole 731 that communicates its inner and outer sides, and the exhaust passage 711 communicates with the inside of the pot through the fourth through hole 731.The first through hole 831 communicates with the second through hole 821 inside the central column 82 through the inner cavity of the first locking nut 83. The gas in the pot body 1 can enter the second through hole 821 to contact the temperature measuring probe, so as to realize real-time temperature collection and transmit the temperature to the timer 10 for display. The gas in the pot enters the exhaust passage 711 of the air valve body 71 from the fourth through hole 731 of the second locking nut 73. When the adjusting member 5 withdraws from the first exhaust hole 712, the gas in the exhaust passage 711 enters the first sleeve 312 from the first exhaust hole 712 and then is discharged outside the pot from the second exhaust hole 721, thus realizing the pressure regulating function.

[0053] The driving structure is an eccentric block 4 with a cylindrical structure. A third mounting hole 41 penetrating its upper and lower sides is provided in the center thereof, and a central column 82 is inserted into the third mounting hole 41. The eccentric block 4 is clamped between the rotating cover ear 8 and the lower fastener 31. A first-stage position 42 is formed by the inward depression of the outer periphery of the upper part of the eccentric block 4, and the upper fastener 32 is sleeved on the first-stage position 42. Three eccentric grooves are provided at the bottom of the eccentric block 4, namely a first eccentric groove 43, a second eccentric groove 44, and a third eccentric groove 45. Taking the direction perpendicular to the bottom surface of the eccentric block 4 as a reference, the three eccentric grooves extend in the counterclockwise direction. The first eccentric groove 43 is a circular groove that gradually inclines from the inside of the eccentric block 4 to the outside. The second eccentric groove 44 is a circular groove that gradually inclines from the outside of the eccentric block 4 to the inside. The third eccentric groove 45 is a circular groove that gradually inclines from the outside of the eccentric block 4 to the inside. The first eccentric groove 43 is located outside the third eccentric groove 45. A pair of guide grooves 313 penetrating the upper and lower sides of the first mounting groove 311 are provided in the first mounting groove 311. The fastening structure includes a pair of pressure ring 61 assemblies. Each pressure ring 61 assembly includes a pressure ring 61, a guide cylinder 62, and a connecting member 63 with a fourth mounting hole 64 (in this embodiment, a chute is provided in the connecting member 63, and the fourth mounting hole 64 is provided on the chute for the sliding of the pressure limiting valve 9). The pressure ring 61 and the guide cylinder 62 are respectively connected to both ends of the connecting member 63. The pressure ring 61 is a U-shaped fastener extending in an arc shape, and its longitudinal section is a U-shaped clip. A third mounting groove 212 is provided on the upper side of the lower panel 21. The two connecting members 63 are installed in the third mounting groove 212 and can slide along it. The two pressure rings 61 can movably fasten or release the pressure cover and the pot body 1. The guide cylinder 62 of one connecting member 63 passes through a guide groove 313 and is sleeved in the second eccentric groove 44, and the guide cylinder 62 of the other connecting member 63 passes through the other guide groove 313 and is sleeved in the third eccentric groove 45. A pair of fourth mounting grooves 314 are provided on a set of opposite sides of the lower fastener 31. The two connecting members 63 are located in the fourth mounting grooves 314, and the connecting members 63 are clamped between the third mounting groove 212 and the fourth mounting grooves 314. One end of the adjusting member 5 is provided with a pull rod 57, and the pull rod 57 is sleeved in the first eccentric groove 43. The setting of the eccentric groove can force the pressure ring 61 assembly to push outwards to release the pressure cover and the pot body 1, or force the pressure ring 61 assembly to push inwards to fasten the pressure cover and the pot body 1, and can also force the pull rod 57 to drive the adjusting member 5 to close or open the first exhaust hole 712. The cooperation between the guide groove 313 and the eccentric groove can restrict the movement range of the guide cylinder 62.

[0054] The adjusting member 5 includes a positioning sleeve 51. Inside the positioning sleeve 51, there are an air valve column 52, a pressure spring 53, a snap ring 54, and a pressure adjusting link rod 55 with a through hole 511 in the middle. At the front end of the pressure adjusting link rod 55, there is a fifth mounting hole 56 communicating with the through hole 511, and at the rear end, there is a pull rod 57. A sealing rubber plug 58 is sleeved on the front end of the air valve column 52. There is a first annular convex ring 59 in the middle of the air valve column 52, and a fifth mounting groove 510 is provided at the rear of the air valve column 52. The rear end of the air valve column 52 passes through the fifth mounting hole 56 and is located in the through hole 511, and the snap ring 54 is clamped in the fifth mounting groove 510. The pressure spring 53 is sleeved on the outer periphery of the air valve column 52, with one end abutted against the first annular convex ring 59 and the other end abutted against the end face of the pressure adjusting link rod 55. The lower fastener 31 is provided with a positioning card slot 315. The positioning sleeve 51 is arranged in the positioning card slot 315. The positioning card slot 315 is adjacent to the first sleeve 312. The positioning card slot 315 is provided with a first guiding hole 316 communicating with the first sleeve 312, and the first guiding hole 316 is opposite to the position of the first exhaust hole 712. The lower fastener 31 is provided with a second guiding hole 317 communicating the positioning card slot 315 with the first mounting groove 311. The front end of the air valve column 52 is inserted into the first guiding hole 316 and can slide along it, and the rear end of the pressure adjusting link rod 55 is inserted into the second guiding hole 317 and can slide along it. The front end of the air valve column 52 and the rear end of the pressure adjusting link rod 55 respectively extend out of the positioning sleeve 51. The sealing rubber plug 58 is clamped into the first exhaust hole 712 or withdrawn from the first exhaust hole 712 as the air valve column 52 slides.

[0055] On the lower side of the rotary cover ear 8, there is a second sleeve 84. The upper part of the inner cavity of the second sleeve 84 communicates with the second mounting groove 81, and the lower part of the inner cavity of the second sleeve 84 bulges inwards to form a second annular convex ring 85. The outer periphery of the central column 82 has a stepped structure with a gradually decreasing diameter from top to bottom, including a third annular convex ring 822, a fourth annular convex ring 823, and a fifth annular convex ring 824. The top of the second through hole 821 of the central column 82 is recessed outwards to form a second-level position 825. The outer part of the rotary cover ear 8 has a stepped structure with a gradually decreasing diameter from top to bottom. The lowermost step is screwed and tightened with the upper part of the second-level position 825 through threads. A sealing washer 86 is sleeved on the outer periphery of the temperature measuring probe. The upper side of the sealing washer 86 abuts against the lower side of the lowermost step of the rotary cover ear 8, and the lower side of the sealing washer 86 abuts against the lower side of the second-level position 825. At the hole position where the central part of the lower fastener 31 is sleeved on the central column 82, there is a sixth annular convex ring 318. The lower side of the third annular convex ring 822 abuts against the upper side of the second annular convex ring 85, the lower side of the fourth annular convex ring 823 abuts against the upper side of the sixth annular convex ring 318, and the lower side of the fifth annular convex ring 824 abuts against the lower panel 21.

[0056] A third sleeve 46 is provided on the lower side of the driving structure, and a spring post 47 is arranged inside the third sleeve 46; a plurality of positioning concave holes 319 are provided in the first installation groove 311 of the lower fastener 31, and the plurality of positioning concave holes 319 are distributed along the sliding track direction of the spring post 47, and the lower end of the spring post 47 can move and switch between the plurality of positioning concave holes 319. When the rotary cover ear 8 is rotated, the spring post 47 moves along the positioning concave hole 319 and makes a jerky sound, so that the operator can feel that it has been rotated to the set position and can stop rotating.

[0057] The pressure cover is provided with a pressure limiting valve 9, and the pressure limiting valve 9 includes an upper valve body 91, a tension spring 92, a valve plug 93, a first sealing ring 94, a second sealing ring 95 and a lower valve body 96; the inside of the upper valve body 91 is a cavity, and a third exhaust hole 911 communicating with the cavity is provided at the top thereof, and a seventh annular convex ring 912 is provided on the outer periphery of the lower part thereof; one end of the valve plug 93 is respectively provided with a first annular clamping groove 931 and a second annular clamping groove 932, and the other end thereof is a spherical segment structure; the lower valve body 96 is a cylindrical structure with an upward opening, a fourth exhaust hole 961 is provided on the bottom surface of the lower valve body 96, and a third annular clamping groove 962 surrounding one week is provided at the bottom of the lower valve body 96; the lower end of the upper valve body 91 is screwed and tightened together with the upper end of the lower valve body 96 by threads, and the tension spring 92 and the valve plug 93 are located in the cavity formed by the upper valve body 91 and the lower valve body 96; one end of the tension spring 92 abuts against the inner wall of the upper valve body 91, and the other end thereof is stuck in the first annular clamping groove 931 of the valve plug 93 and urges the spherical segment structure of the valve plug 93 to abut against or open the fourth exhaust hole 961; the first sealing ring 94 is stuck in the second annular clamping groove 932 and abuts against the inner wall of the lower valve body 96 around the fourth exhaust hole 961 under the action of the tension spring 92; the second sealing ring 95 is stuck in the third annular clamping groove 962; the lower panel 21 is provided with a sixth installation hole 213, the lower fastener 31 is provided with a fourth sleeve 310 having a cavity, the cavity of the fourth sleeve 310 penetrates through the upper and lower sides of the lower fastener 31, and the upper panel 22 is provided with a seventh installation hole 223; during installation, the upper end of the lower valve body 96 passes through the sixth installation hole 213 from bottom to top and then is screwed and tightened together with the lower end of the upper valve body 91, and the upper end of the upper valve body 91 passes through the fourth installation hole 64, the fourth sleeve 310 and the seventh installation hole 223 in sequence; the diameter of the sixth annular convex ring 318 is larger than the diameter of the sixth installation hole 213, and the diameter of the bottom of the lower valve body 96 is larger than the diameter of the sixth installation hole 213; a trapezoidal washer 97 is installed in the sixth installation hole 213, the trapezoidal washer 97 is clamped between the lower valve body 96 and the lower panel 21, and the lower side of the trapezoidal washer 97 abuts against the upper side of the second sealing ring 95.

[0058] The spherical segment structure of the valve plug 93 forms a seal for the fourth exhaust hole 961 to create a pressurized environment. When the valve plug 93 opens the fourth exhaust hole 961, the pressure inside the pot can be released. The diameters of the sixth annular convex ring 318 and the bottom of the lower valve body 96 are both larger than the diameter of the sixth mounting hole 213, which can prevent the pressure limiting valve 9 from falling off. The first sealing ring 94 and the second sealing ring 95 can prevent air leakage from the fourth exhaust hole 961 and maintain the pressure keeping function. The trapezoidal washer 97 can seal the gap between the lower valve body 96 and the lower panel 21.

[0059] A circle of anti-slip patterns 87 is provided on the outer periphery of the rotary cover ear 8. The anti-slip patterns 87 can enhance the friction force, which is beneficial for people to hold the rotary cover ear 8 and rotate it.

[0060] The anti-slip patterns 87 are a number of vertical convex ribs arranged side by side.

[0061] A pair of opposite sides of the pot body 1 are respectively installed with pot handles. The pot handle includes a pot ear 111, an upper handle part 112 and a lower handle part 113. The pot ear 111 is installed on the side wall of the pot body 1. The lower handle part 113 is provided with a groove 114. The pot ear 111 is sleeved in the groove 114, and the upper handle part 112 is sleeved in the groove 114. The pot ear 111 is clamped between the lower handle part 113 and the upper handle part 112. The pot handle is assembled by a snap-fit method, hiding the pot ear 111 between the upper handle part 112 and the lower handle part 113, which is more beautiful and avoids being knocked.

[0062] Installation of this embodiment:

[0063] (1) Installation of the pot handle:

[0064] 1) Move the lower handle part 113 directly below the pot ear 111 and wrap the pot ear 111 upward into the set groove 114 of the lower handle part 113. Use a screw to sequentially pass through the pot ear 111 and the lower handle part 113 from top to bottom and tighten to fix the lower handle part 113 below the pot ear 111.

[0065] 2) Move the upper handle part 112 directly above the pot ear 111 and snap the upper handle part 112 into the set groove 114 of the lower handle part 113 from top to bottom, so that the pot ear 111 is completely wrapped by the lower handle part 113 and the upper handle part 112.

[0066] (2) Installation of the cover ear:

[0067] 3) Move the sealing washer 86 directly above the central column 82 and put it into the second through hole 821 set in the central column 82 from top to bottom.

[0068] 4) Move the timer 10 directly above the central column 82 and insert the timer 10 into the second through-hole 821 set in the central column 82 from top to bottom, passing through the sealing washer 86 and the central column 82 in sequence. Fix the timer 10 above the central column 82 through the cooperation between the threads set on the timer 10 and the threaded hole on the central column 82;

[0069] 5) Move the central column 82 assembled with the timer 10 and the sealing washer 86 as a whole directly above the rotary cover ear 8, and insert the central column 82 into the circular hole (i.e., the second sleeve 84) set in the rotary cover ear 8 from top to bottom;

[0070] (III) Installation of the upper cover

[0071] 6) Move the spring post 47 directly below the eccentric block 4 and insert the spring post 47 into the third sleeve 46 set below the eccentric block 4 from bottom to top;

[0072] 7) Move the eccentric block 4 directly above the lower fastener 31 and place the eccentric block 4 above the lower fastener 31 from top to bottom. Through the cooperation between the concave hole set below the eccentric block 4 and the convex platform set above the lower fastener 31, keep the eccentric block 4 and the lower fastener 31 concentric;

[0073] 8) Move the upper panel 22 directly above the lower fastener 31 and buckle the panel above the lower fastener 31 from top to bottom. Through the cooperation between the convex platform set above the lower fastener 31 and the bayonet set on the upper panel 22, keep the upper panel 22 and the lower fastener 31 concentric;

[0074] 9) Move the upper fastener 32 directly above the lower fastener 31 and insert the upper fastener 32 through the upper panel 22 and the eccentric block 4 into the groove 114 set in the lower fastener 31 from top to bottom. Clamp the upper fastener 32 and the eccentric block 4 between the upper fastener 32 and the lower fastener 31. Rotate the upper fastener 32 clockwise by fixing the lower fastener 31 to snap the strip set on the upper fastener 32 into the buckle set in the lower fastener 31, so that the upper fastener 32 can press the upper panel 22 and cannot rotate;

[0075] 10) Move the adjusting part 5 below the lower fastener 31 and move the adjusting part 5 to the set installation position of the lower fastener from top to bottom. Fix the adjusting part 5 at the set position below the lower fastener 31 through the screw and the positioning sleeve 51; at this time, the air valve post 52 at the front end of the adjusting part 5 penetrates into the adjusting hole (the first guiding hole 316) set in the lower fastener 31; the pull rod 57 at the rear end of the adjusting part 5 penetrates into the first eccentric groove 43 set in the eccentric block 4;

[0076] 11) Move the exhaust valve 7 above the third through-hole 222 set on the upper panel 22, and pass the exhaust valve 7 through the upper panel 22, the lower fastener 31, and the lower panel 21 from top to bottom. During this process, align the center of the first exhaust hole 712 set on the exhaust valve 7 with the center of the valve column 52 of the adjusting member 5; Move the second locking nut 73 below the circular hole (the second mounting hole 211) set on the lower panel 21, and move the second locking nut 73 upward from bottom to top to tighten and cooperate with the exhaust valve 7; Complete the installation of the upper cover;

[0077] (IV) Installation of the lower cover:

[0078] 12) Move the trapezoidal washer 97 above the lower panel 21, and align the trapezoidal washer 97 with the sixth mounting hole 213 set on the lower panel 21; Pass the lower half of the trapezoidal washer 97 into the sixth mounting hole 213 set on the lower panel 21 from top to bottom;

[0079] 13) Move the pressure ring 61 to the radial outside of the lower panel 21, and move it from outside to inside along the third mounting groove 212 set on the lower panel 21 towards the center of the lower panel 21. When the center of the fourth mounting hole 64 set on the pressure ring 61 is aligned with the center of the sixth mounting hole 213 set on the lower panel 21, stop moving in;

[0080] 14) After unscrewing the lower end cover of the pressure limiting valve 9, move the pressure limiting valve 9 above the fourth mounting hole 64 set on the pressure ring 61 and pass the pressure limiting valve 9 through the fourth mounting hole 64 set on the pressure ring 61 from top to bottom, through the pressure ring 61 and the lower panel 21 in sequence. Move the lower end cover of the pressure limiting valve 9 (i.e., the lower valve body 96) below the sixth mounting hole 213 set on the lower panel 21, and move it upward from bottom to top until it is tightened and cooperated with the pressure limiting valve 9 (the upper valve body 91);

[0081] (V) Overall installation

[0082] 15) Move the center column 82 (i.e., the installation part of the cover ear) assembled with the rotary cover ear 8 and the sealing washer 86 as a whole above the upper fastener 32, and pass the center column 82 through the circular hole set on the upper fastener 32 from top to bottom, through the rotary cover ear 8, the upper fastener 32, the eccentric block 4, the lower fastener 31, and the lower panel 21 in sequence. During this process, pass the guiding cylinder 62 at the upper end of the pressure ring 61 into the second eccentric groove 44 set on the eccentric block 4 (one guiding cylinder 62 of the pressure ring 61 is inserted into the second eccentric groove 44, and the other guiding cylinder 62 of the pressure ring 61 is inserted into the third eccentric groove 45). Move the first locking nut 83 directly below the lower panel 21, and move the first locking nut 83 upward from bottom to top to tighten and cooperate with the center column 82;

[0083] 16) Move the pot lid above the pot body 1, turn the rotary lid ear 8 counterclockwise. At this time, the pressure ring 61 extends outwards. Move the pot lid downwards from above to the upper end of the pot body 1, and turn the rotary lid ear 8 clockwise. The pressure ring 61 locks the pot body 1, completing the overall installation.

[0084] Working principle:

[0085] 1) Lid closing principle: Hold the lid ear to fix the pot body, and turn the rotary lid ear 8 counterclockwise. While the rotary lid ear 8 rotates, it drives the eccentric block 4 to rotate. The eccentric circular groove 2 of the eccentric block 4 drives the pressure ring 61 to move towards the center. When it approaches the set distance, the pressure ring 61 stops approaching and buckles the pot body; continue to turn the rotary lid ear 8 counterclockwise, the eccentric block 4 continues to rotate counterclockwise, and the first eccentric groove 43 of the eccentric block 4 drives the pull rod 57 in the adjusting part 5 to move away from the center and push outwards. The front end of the adjusting rod (the sealing rubber plug 58 of the air valve column 52) gradually approaches the exhaust valve 7. When it rotates to the set position, the spring column 47 gives a sense of jerk, so that the operator can feel that it has rotated to the set position and can stop continuing to rotate. At this time, the adjustment is tightly combined with the exhaust valve 7, forming a relatively sealed space inside the pot, completing the process of closing the pressure cooker lid.

[0086] 2) Lid opening principle: Hold the lid ear to fix the pot body, and turn the rotary lid ear 8 clockwise. While the rotary lid ear 8 rotates, it drives the eccentric block 4 to rotate. The second eccentric groove 44 and the third eccentric groove 45 of the eccentric block 4 drive the two pressure rings 61 to move away from the center, and the first eccentric groove 43 drives the pull rod 57 in the adjusting part 5 to move towards the center. When it rotates to the set position, the spring column 47 gives a sense of jerk, so that the operator can feel that it has rotated to the set position. At this time, the pressure ring 61 has been loosened and moved away from the pot body, and the front end of the adjusting rod (the sealing rubber plug 58 of the air valve column 52) moves away from the exhaust valve 7. Lift the pot lid upwards to complete the lid opening process.

[0087] 3) Air locking principle: After the lid is closed, a sealed space is formed inside the pot at this time. Heat the bottom of the pot, and the gas inside the pot expands due to heat. The gas inside the pot cannot flow out, and the air pressure rises. When the air pressure rises to the set value (4KPa), the pressure limiting valve 9 is pushed upwards by the gas (at this air pressure value, the entire pressure limiting valve 9 rises, performing a self-locking function). Continue heating, and the air pressure inside the pot continues to rise. When the air pressure rises to the limit value (140Kpa - 200Kpa, this limit value is the safety pressure, which is another safety function of the pressure limiting valve 9, generally 1.4 times to 2 times the working pressure), the gas pushes up the tension spring 92 below the pressure limiting valve 9, and the gas flows out from the middle of the pressure limiting valve 9, keeping the air pressure inside the pot stable.

[0088] Exhaust pressure regulation principle: When exhaust pressure regulation is required, rotate the rotary cover ear 8 clockwise. The rotary cover ear 8 drives the eccentric block 4 to rotate. The first eccentric groove 43 of the eccentric block 4 drives the adjusting rod (the sealing rubber plug 58 of the air valve column 52) to gradually move away from the exhaust valve 7. The farther the regulating valve is from the exhaust valve 7, the larger the hole gap in the regulating valve, and the faster the gas in the pot is discharged. When the gas discharge speed is faster than the heating gas generation speed, the air pressure in the pot gradually decreases. When the air pressure in the pot drops to a pressure value lower than 5KPa, the air pressure is not sufficient to lift the pressure limiting valve 9, and the pressure limiting valve 9 drops, completing the exhaust process.

[0089] Innovation points:

[0090] 1) An additional timer 10 is designed, which can display the temperature in the pot in real time and start timing when the temperature in the pot reaches the set value;

[0091] 2) The cover is opened and closed by a rotating method, which is simple and fast to operate and increases the operating feeling during use;

[0092] 3) Adjustable air pressure design. According to needs, it can be adjusted to the required pressure by rotating the rotary cover ear 8, and it can be applicable to various cooking pressure requirements;

[0093] 4) The integration design of opening / closing and pressure regulation reduces the complexity of the adjustment opening / closing process. The cover closing and pressure regulation can be completed in one step by rotating the rotary cover ear 8.

[0094] 5) The upper cover modular design. The upper fastener 32 and the lower fastener 31 can be assembled into independent parts, reducing the correlation during the installation process and increasing the universality of the parts;

[0095] 6) The hidden design of the pot handle. By combining the upper handle part 112 and the lower handle part 113, the pot ear 111 is hidden in the side ear, increasing the neat unity of the appearance.

[0096] The above detailed description is a specific description of the feasible embodiments of the present utility model. The embodiments are not intended to limit the patent scope of the present utility model. Any equivalent implementation or modification without departing from the present utility model shall be included in the patent scope of this case.

Claims

1. A rotary pressure cooker with a timing function, comprising a pot body and a pot lid, the pot lid being placed above the pot body, characterized in that: The pot lid includes a pressure lid, on which a rotary lid ear, an adjusting member, a driving structure, a fastening structure, an exhaust valve, and a timer with temperature display and timing functions are installed; the rotary lid ear is connected to the driving structure, and the driving structure is respectively connected to the adjusting member and the fastening structure; the exhaust valve is installed on the pressure lid, and the adjusting member controls to block the exhaust valve with the driving structure to achieve airtightness, or the adjusting member controls to release the exhaust valve with the driving structure to achieve exhaust; the fastening structure controls to fasten or release the pressure lid and the side of the pot body with the driving structure; the timer is detachably installed in the rotary lid ear, and the lower end of the timer is located inside the pot and communicates with the inside of the pot.

2. The rotary pressure cooker with a timing function according to claim 1, wherein: The pressure lid includes an upper panel, a lower panel, an upper fastener, and a lower fastener; a first installation hole is provided at the central position of the upper panel, and the upper fastener passes through the first installation hole and is fastened to the lower fastener, and the upper panel is clamped between the upper fastener and the lower fastener; a first installation groove is provided at the central position of the lower fastener, and the driving structure is installed in the first installation groove; the rotary lid ear passes through the upper fastener and is clamped on the lower fastener; the rotary lid ear is recessed from top to bottom to form a second installation groove, and the timer is installed in the second installation groove; the rotary lid ear is provided with a central column, and the central column passes through the rotary lid ear, the lower fastener, and the lower panel from top to bottom and is locked with a first locking nut; the first locking nut is provided with a first through hole that connects its inside and outside, and the central column is internally provided with a second through hole, and the second through hole communicates with the inner cavity of the first locking nut, and the temperature measuring probe at the lower end of the timer is inserted into the second through hole from top to bottom; the lower fastener is provided with a first sleeve, the opening of the first sleeve penetrates the upper side surface of the lower fastener, the lower panel is provided with a second installation hole, and the upper panel is provided with a third through hole; the exhaust valve includes a valve body, a valve cap, and a second locking nut, the valve body is provided with an exhaust passage that penetrates its lower side surface downward, and a first exhaust hole that penetrates the side wall is provided on the side wall of the valve body, and the first exhaust hole communicates with the exhaust passage; the valve cap is arranged on the top of the valve body, and the valve cap is provided with a second exhaust hole that penetrates its upper and lower side surfaces, and the second exhaust hole communicates the first sleeve with the outside of the pot; the diameter of the valve cap is larger than the diameter of the valve body, and the diameter of the valve cap is larger than the inner diameter of the first sleeve; the valve body of the exhaust valve passes through the third through hole, the first sleeve, and the second installation hole from top to bottom and is screwed with the second locking nut, and the adjusting member is driven by the driving structure to be inserted into or withdrawn from the first exhaust hole; the second locking nut is provided with a fourth through hole that connects its inside and outside, and the exhaust passage communicates with the inside of the pot through the fourth through hole.

3. The rotary pressure cooker with a timing function according to claim 2, wherein: The driving structure is an eccentric block in the shape of a cylinder, with a third mounting hole penetrating its upper and lower sides in the center, and the central column is inserted into the third mounting hole; the eccentric block is clamped between the rotary cover ear and the lower fastener, and a first-level position is formed by inward depression on the outer periphery of the upper part of the eccentric block, and the upper fastener is sleeved on the first-level position; three eccentric grooves are formed at the bottom of the eccentric block, namely a first eccentric groove, a second eccentric groove and a third eccentric groove; with the direction perpendicular to the bottom surface of the eccentric block as the reference, the three eccentric grooves extend in the counterclockwise direction, the first eccentric groove is a circular groove that gradually extends obliquely from the inside to the outside of the eccentric block, the second eccentric groove is a circular groove that gradually extends obliquely from the outside to the inside of the eccentric block, and the third eccentric groove is a circular groove that gradually extends obliquely from the outside to the inside of the eccentric block; the first eccentric groove is located outside the third eccentric groove; a pair of guide grooves penetrating the upper and lower sides of the first mounting groove are formed in the first mounting groove; the fastening structure includes a pair of pressure ring assemblies, and each pressure ring assembly includes a pressure ring, a guide cylinder and a connecting piece with a fourth mounting hole, and the pressure ring and the guide cylinder are respectively connected to both ends of the connecting piece; the pressure ring is a U-shaped fastener extending in an arc shape, and its longitudinal section is a U-shaped clip; a third mounting groove is provided on the upper side of the lower panel, and the two connecting pieces are installed in the third mounting groove and can slide along it, and the two pressure rings movably fasten or release the pressure cover and the pot body; the guide cylinder of one connecting piece passes through one of the guide grooves and is sleeved in the second eccentric groove, and the guide cylinder of the other connecting piece passes through the other guide groove and is sleeved in the third eccentric groove; a pair of fourth mounting grooves are formed in a set of opposite sides of the lower fastener, and the two connecting pieces are located in the fourth mounting grooves, and the connecting pieces are clamped between the third mounting groove and the fourth mounting groove; one end of the adjusting piece is provided with a pull rod, and the pull rod is sleeved in the first eccentric groove.

4. The rotary pressure cooker with a timing function according to claim 3, wherein: The adjusting member includes a positioning sleeve, in which there are provided an air valve column, a pressure spring, a snap ring, and a pressure adjusting link rod with a through hole in the middle; a fifth mounting hole communicating with the through hole is provided at the front end of the pressure adjusting link rod, and a pull rod is provided at the rear end thereof; a sealing rubber plug is sleeved on the front end of the air valve column, a first annular convex ring is provided in the middle of the air valve column, and a fifth mounting groove is provided at the rear of the air valve column; the rear end of the air valve column passes through the fifth mounting hole and is located in the through hole, and the snap ring is clamped in the fifth mounting groove; the pressure spring is sleeved on the outer periphery of the air valve column, one end thereof abuts against the first annular convex ring, and the other end abuts against the end face of the pressure adjusting link rod; the lower fastener is provided with a positioning card slot, the positioning sleeve is arranged in the positioning card slot, the positioning card slot is adjacent to the first sleeve, and a first guiding hole communicating with the first sleeve is provided in the positioning card slot, and the first guiding hole is opposite to the position of the first exhaust hole; the lower fastener is provided with a second guiding hole communicating the positioning card slot with the first mounting groove; the front end of the air valve column is inserted into the first guiding hole and can slide along it, and the rear end of the pressure adjusting link rod is inserted into the second guiding hole and can slide along it; the front end of the air valve column and the rear end of the pressure adjusting link rod respectively extend out of the positioning sleeve; the sealing rubber plug is clamped into the first exhaust hole or withdrawn from the first exhaust hole as the air valve column slides.

5. The rotary pressure cooker with a timing function according to claim 3, wherein: A second sleeve is provided on the lower side of the rotary cover ear, the upper part of the inner cavity of the second sleeve communicates with the second mounting groove, and a second annular convex ring is formed by an inward convex ring in the lower part of the inner cavity of the second sleeve; the outer periphery of the central column has a stepped structure with a gradually decreasing diameter from top to bottom, including a third annular convex ring, a fourth annular convex ring, and a fifth annular convex ring; the top of the second through hole of the central column is recessed outward to form a second-level position, and the outer part of the rotary cover ear has a stepped structure with a gradually decreasing diameter from top to bottom, and the lowermost step is screwed and tightened with the upper part of the second-level position through a thread connection. A sealing washer is sleeved on the outer periphery of the temperature measuring probe, the upper side of the sealing washer abuts against the lower side of the lowermost step of the rotary cover ear, and the lower side of the sealing washer abuts against the lower side of the second-level position; a sixth annular convex ring is provided in a hole position where the lower fastener is centrally sleeved on the central column, the lower side of the third annular convex ring abuts against the upper side of the second annular convex ring, the lower side of the fourth annular convex ring abuts against the upper side of the sixth annular convex ring, and the lower side of the fifth annular convex ring abuts against the lower panel.

6. The rotary pressure cooker with a timing function according to claim 3, wherein: A third sleeve is provided on the lower side of the driving structure, and a spring column is arranged in the third sleeve; a plurality of positioning concave holes are provided in the first mounting groove of the lower fastener, and the plurality of positioning concave holes are distributed along the sliding track direction of the spring column, and the lower end of the spring column can move and switch between the plurality of positioning concave holes.

7. The rotary pressure cooker with a timing function according to claim 5, wherein: The pressure cover is provided with a pressure limiting valve, and the pressure limiting valve includes an upper valve body, a tension spring, a valve plug, a first sealing ring, a second sealing ring and a lower valve body; the interior of the upper valve body is a cavity, the top of which is provided with a third exhaust hole communicating with the cavity, and the outer periphery of its lower part is provided with a seventh annular raised ring; one end of the valve plug is respectively provided with a first annular clamping groove and a second annular clamping groove, and the other end is a spherical segment structure; the lower valve body is a cylindrical structure with an upward opening, the bottom surface of the lower valve body is provided with a fourth exhaust hole, and the bottom of the lower valve body is provided with a third annular clamping groove surrounding it; the lower end of the upper valve body is screwed and tightened together with the upper end of the lower valve body, and the tension spring and the valve plug are located in the cavity formed by the upper valve body and the lower valve body; one end of the tension spring abuts against the inner wall of the upper valve body, and the other end is stuck in the first annular clamping groove of the valve plug and urges the spherical segment structure of the valve plug to abut against or open the fourth exhaust hole; the first sealing ring is stuck in the second annular clamping groove and abuts against the inner wall of the lower valve body around the fourth exhaust hole under the action of the tension spring; the second sealing ring is stuck in the third annular clamping groove; the lower panel is provided with a sixth mounting hole, the lower fastener is provided with a fourth sleeve having a cavity, and the cavity of the fourth sleeve penetrates through the upper and lower sides of the lower fastener, and the upper panel is provided with a seventh mounting hole; during installation, the upper end of the lower valve body passes through the sixth mounting hole from bottom to top and is then screwed and tightened together with the lower end of the upper valve body, and the upper end of the upper valve body sequentially passes through the fourth mounting hole, the fourth sleeve and the seventh mounting hole; the diameter of the sixth annular raised ring is greater than the diameter of the sixth mounting hole, and the diameter of the bottom of the lower valve body is greater than the diameter of the sixth mounting hole; a trapezoidal washer is installed in the sixth mounting hole, and the trapezoidal washer is clamped between the lower valve body and the lower panel, and the lower side of the trapezoidal washer abuts against the upper side of the second sealing ring.

8. The rotary pressure cooker with a timing function according to claim 1, characterized in that: A circle of anti-slip lines is provided on the outer periphery of the rotating cover ear.

9. The rotary pressure cooker with a timing function according to claim 8, characterized in that: The anti-slip lines are a number of vertical and parallel convex ribs.

10. The rotary pressure cooker with a timing function according to claim 1, characterized in that: A pair of opposite sides of the pot body are respectively installed with pot handles; the pot handle includes a pot ear, an upper handle part and a lower handle part, the pot ear is installed on the side wall of the pot body, the lower handle part is provided with a groove, the pot ear is sleeved in the groove, the upper handle part is sleeved in the groove, and the pot ear is clamped between the lower handle part and the upper handle part.

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