CN217309864U

CN217309864U - Pressure cooker cover and pressure cooker

Info

Publication number: CN217309864U
Application number: CN202220507511.2U
Authority: CN
Inventors: 董雪露; 凌广平; 凃隅柯; 张加存
Original assignee: Zhejiang Shangchu Home Technology Co ltd
Current assignee: Zhejiang Shangchu Home Technology Co ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-08-30
Anticipated expiration: 2032-03-09

Abstract

The utility model relates to the technical field of pressure cookers, and discloses a pressure cooker cover and a pressure cooker, which comprises a cover body, a cover body handle and a stop valve; the valve comprises a valve body, a valve core and a valve seat, wherein the valve body comprises a first valve body, a second valve body and a valve core; the first valve body is connected with the second valve body, and the handle of the cover body is fixed on the cover body; meanwhile, a limiting boss is further arranged on the cover body, a limiting groove is formed in the cover body handle, and the limiting boss is matched with the limiting groove to prevent the cover body handle from rotating relative to the cover body. The utility model discloses well lid and lid handle realize the location through spacing boss and spacing recess cooperation, realize connecting through the cooperation of the first valve body and the second valve body of only opening the valve, have reduced the use quantity of fastener, make the assembly more convenient.

Description

Pressure cooker cover and pressure cooker

Technical Field

The utility model relates to a pressure cooker technical field especially relates to a pressure cooker lid and pressure cooker.

Background

The pressure cooker generates high pressure during the working process, so that the pressure cooker needs to be particularly careful in operation, and particularly, when the cover is opened or closed, if the cover is opened when pressure exists in the pressure cooker, the risk of explosion exists.

Therefore, a pressure cooker with a safety opening stopping mechanism appears, for example, the Chinese utility model patent (CN201088463Y) discloses a domestic pressure cooker with a push key to open the cover, which comprises a cooker cover provided with an opening stopping valve, an upper handle connected with the cooker cover and provided with an opening stopping tongue and a push key, a lower handle connected with the cooker body and corresponding to the upper handle, a push key slider connected with the lower end of the push key, an opening stopping tongue matched with the opening stopping valve in front of the push key slider, and a push key spring arranged between the opening stopping tongue and the push key slider; the position of the upper open-stopping tongue of the lower handle corresponding to the end part of the lower rod of the key-pushing sliding block is provided with a limiting guide groove. The utility model discloses a can't uncap when pressure in addition in the pot, reduced the risk.

Although the above patent solves the problem of opening the lid when the pressure is still present in the cooker, it is complicated in structure, has many parts, and requires a lot of time for assembly.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pressure cooker cover and pressure cooker with simple structure and convenient assembly, aiming at the defects in the prior art.

A pressure cooker lid comprising: the cover body is provided with a cover body valve hole; a lid handle having a handle valve opening overlapping the lid valve opening; the valve body is provided with a valve hole, a handle valve hole and a valve core, wherein the valve hole is formed in the valve body; the first valve body is matched with the second valve body to fix the handle of the cover body on the cover body; the first valve body comprises a first valve body through hole, the second valve body comprises a second valve body through hole, and the valve core is movably arranged in the first valve body through hole and the second valve body through hole; wherein, be provided with at least one spacing boss on lid and lid handle, be provided with the spacing recess of matched with on the lid and the lid handle, in spacing recess is inserted to at least partly of spacing boss.

Above-mentioned scheme is through the cooperation of the first valve body and the second valve body of check valve, fixes the lid handle on the lid, and spacing boss and spacing recess cooperation can play the positioning action simultaneously, prevent that lid handle and lid from taking place relative rotation, make the more firm installation of lid handle on the lid. During specific installation, at least one part of the limiting boss is inserted into the limiting groove, the cover body handle is fixed on the cover body through the matching of the first valve body and the second valve body of the stop valve, the assembling process is simple, other fasteners are not needed, the number of parts is reduced, and the assembly is more convenient.

In a possible design, two first limiting surfaces which are in a V shape are arranged on the limiting boss, a second limiting surface is arranged on the limiting groove, and the first limiting surfaces are pressed on the second limiting surfaces.

According to the scheme, the first limiting faces of the V-shaped structures are arranged on the limiting bosses, the second limiting faces are arranged on the limiting grooves, the limiting bosses can be conveniently inserted into the limiting grooves, the first limiting faces are pressed on the second limiting faces, and the cover body handle can be prevented from rotating relative to the cover body.

In one possible design, the pressure cooker lid further comprises: the push button is arranged on the handle of the cover body, can move along the length direction of the handle of the cover body, and blocks the push button from moving towards the direction of the cover body when the valve core moves upwards and protrudes out of the valve hole of the handle; and the sliding block is arranged in the cover body handle, the sliding block is linked with the push button and moves along the length direction of the cover body handle, and the lower end of the sliding block is provided with a blocking piece which can be matched with the pot body handle.

According to the scheme, the push button and the sliding block are arranged, so that the push button can be pushed to drive the sliding block to move, and the unlocking of the cover body handle and the pot body handle is realized. And when the valve core moves upwards and protrudes out of the handle valve hole, the valve core blocks the push button from moving towards the cover body, the cover body handle and the pot body handle cannot be unlocked, and the pressure pot cover cannot be opened, so that the risk of uncovering the pot when pressure still exists in the pot is reduced.

In a possible design, one end of the push button close to the cover body is provided with a limiting plate, one end of the limiting plate close to the cover body is provided with a limiting groove, and when the valve core moves upwards and protrudes out of the valve hole of the handle, the valve core is positioned in the limiting groove.

Above-mentioned scheme is through setting up the limiting plate on pushing away the button, sets up the spacing groove on the limiting plate, and when the case received pressure in the pot by jack-up, the partly of case was located the spacing groove, blockked to push away the button and moved to the lid direction, pushes away the button and can't be promoted, and the pressure pot cover can't be opened, has reduced the risk of uncapping when still having pressure in the pot.

In one possible design, a push rod is arranged at the lower end of the push button, and the push button is linked with the sliding block through the push rod.

In one possible design, the upper end of the first valve body is provided with a first boss extending in a direction away from the center of the first valve body, and the lower end of the first valve body is provided with an internal thread; the lower end of the second valve body is provided with a second boss extending in the direction away from the center of the second valve body, and the upper end of the second valve body is provided with external threads; when the internal thread and the external thread are mutually matched, the lower end face of the first boss is pressed on the handle of the cover body, and the upper end face of the second boss is pressed on the cover body.

Above-mentioned scheme passes through the cooperation of internal thread and external screw thread, makes the lower terminal surface of first boss support and presses on the lid handle, and the up end of second boss supports and presses on the lid to with lid handle fixed connection on the lid, simple structure, simple to operate.

In one possible design, a first step is arranged on the outer wall of the valve core, the outer diameter of the valve core at the upper end of the first step is D1, and the outer diameter of the valve core at the lower end of the first step is D2; the inner wall of the second valve body through hole is provided with a second step, the inner diameter of the second valve body through hole at the upper end of the second step is d1, and the inner diameter of the second valve body through hole at the lower end of the second step is d 2; and D1> D1> D2> D2, so that a part of the valve core can pass through the second valve body through hole, and when the valve core is located at the lowest point, the first step is pressed against the second step.

According to the scheme, the first step is arranged on the outer wall of the valve core, the second step is arranged on the inner wall of the through hole of the second valve body, and D1> D1> D2> D2 are defined, so that when the valve core is located at the lowest point, the first step can be abutted against the second step, and the valve core is prevented from being separated from the lower part of the valve stopping valve under the action of self gravity.

In a possible design, a groove is formed in the side wall of the lower end of the valve core, a sealing ring is arranged in the groove, the outer diameter of the sealing ring is larger than the inner diameter d2 of the through hole of the second valve body at the lower end of the second step, and when the valve core is located at the highest point, the sealing ring is abutted to the lower end of the second valve body.

According to the scheme, the sealing ring is arranged at the lower end of the valve core, the outer diameter of the sealing ring is limited to be larger than the inner diameter d2 of the through hole of the second valve body at the lower end of the second step, when the valve core is located at the highest point, the sealing ring can abut against the lower end of the second valve body, the sealing effect can be achieved, and the valve core can be prevented from being separated from the upper portion of the valve stopping opening under the action of pressure in a pot.

In one possible design, the handle valve hole and the lower end of the first valve body are of matched special-shaped structures.

Above-mentioned scheme is because the lower extreme of handle valve opening and first valve body is the dysmorphism structure of looks adaptation, so with first valve body installation back in the handle valve opening, first valve body can't rotate for the handle valve opening, consequently only need rotate the second valve body when the assembly just can be in the same place first valve body and second valve body link to each other simple to operate.

In one possible design, the valve core is a hollow tubular structure with a closed lower end and an open upper end, at least one vent hole is arranged on the side wall close to the lower end of the valve core, and the vent hole is communicated with the hole in the valve core; when the valve core is positioned at the lowest point, the vent hole is communicated with the inside of the pot body; when the valve core is positioned at the highest point, the vent hole completely enters the through hole of the second valve body, and the vent hole is not communicated with the pot body.

Above-mentioned scheme sets up the air vent on the case, and when the pressure cooker lid closed not in place, the button that pushes away blockked the case and rises, and the air vent can't be sealed, and the pressure cooker can't step up, consequently can reduce the risk when the pressure cooker lid closed not in place.

The utility model discloses still protect a pressure cooker, it includes above the pressure pot cover still include the pressure pot body, the pressure pot cover lid fits the pressure pot body.

Drawings

Fig. 1 is a schematic structural view of the pressure cooker lid of the present invention.

Fig. 2 is a schematic sectional view of the pressure cooker lid of the present invention.

Fig. 3 is an enlarged schematic view of a structure at a in fig. 2.

Fig. 4 is a schematic view of the local explosion structure of the pressure cooker cover of the present invention.

Fig. 5 is a schematic view of the cover structure of the pressure cooker cover of the present invention.

Fig. 6 is a schematic view of a partial structure of the pressure cooker cover of the present invention.

Fig. 7 is a schematic view of the structure of the cover handle of the pressure cooker cover of the present invention.

The names of the parts indicated by the numerical references in the drawings are as follows: 1-cover body, 2-cover body handle, 3-stop valve, 4-push button, 5-slide block, 11-cover body valve hole, 12-limit boss, 121-first limit face, 21-handle valve hole, 22-limit groove, 221-second limit face, 31-first valve body, 32-second valve body, 33-valve core, 34-sealing ring, 311-first boss, 312-internal thread, 313-first valve body through hole, 321-second boss, 322-external thread, 323-second valve body through hole, 324-second step, 331-first step, 332-vent hole, 333-groove, 41-push rod, 42-limit plate, 43-limit groove, 51-blocking piece.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

A pressure cooker comprises a pressure cooker cover and a pressure cooker body, wherein the pressure cooker cover covers the pressure cooker body to seal the pressure cooker body so as to generate high pressure. The pressure cooker cover comprises a cover body 1 and a cover body handle 2, wherein the cover body handle 2 is arranged on the cover body 1; the pressure pot body comprises a pot body and a pot body handle, and the pot body handle is arranged on the pot body.

In the present embodiment, in order to fix the lid handle 2 to the lid 1, the lid 1 is provided with the lid valve hole 11, the lid handle 2 is provided with the handle valve hole 21, and the handle valve hole 21 and the lid valve hole 11 overlap. The valve stopper 3 fixes the lid handle 2 to the lid 1 through the lid valve hole 11 and the handle valve hole 21. The valve stopper 3 includes a first valve body 31, a second valve body 32, and a valve body 33. Specifically, the lid body handle 2 is fixed to the lid body 1 by the first valve body 31 and the second valve body 32 being fitted to each other. The first valve body 31 is provided with a first valve body through hole 313, and the second valve body 32 is provided with a second valve body through hole 323. When the first valve body 31 and the second valve body 32 are engaged, the first valve body passage hole 313 and the second valve body passage hole 323 communicate with each other. The spool 33 is disposed in the first and second valve body through

holes

313 and 323 to be movable up and down. Meanwhile, at least one limit boss 12 is arranged on one of the cover body 1 and the cover body handle 2, a limit groove 22 matched with the other of the cover body 1 and the cover body handle 2 is arranged on the other of the cover body 1 and the cover body handle 2, and at least one part of the limit boss 12 is inserted into the limit groove 22.

Above-mentioned scheme realizes the location of lid 1 and lid handle through spacing boss 12 and spacing recess 22 cooperation, then recycles the valve 3 of only opening and fixes lid 1 and lid handle 2 together to needn't set up solitary mounting again and fix lid 1 and lid handle 2, reduced spare part quantity, make the assembly more convenient.

Specifically, a limit boss 12 can be arranged on the cover body 1, and a limit groove 22 matched with the limit boss 12 is arranged on the cover body handle 2; the cover body handle 2 may be provided with a limit boss 12, and the cover body 1 may be provided with a limit groove 22 engaged with the limit boss 12.

Preferably, as shown in fig. 6, two limit bosses 12 are provided on the side wall of the cover body 1, a limit groove 22 is provided at a corresponding position on the cover body handle 2, and at least a part of the limit bosses 12 is inserted into the limit groove 22. The cooperation of limiting boss 12 and limiting groove 22 can prevent that lid handle 2 from rotating for lid 1, and simultaneously, the limit structure that two limiting boss 12 and two limiting groove 22 formed forms stable triangle mounting structure with only opening valve 3, can be with more firm the installing on lid 1 of lid handle 2.

Furthermore, the limiting boss 12 can be formed by stamping the metal on the side of the cover 1, or by welding a metal column on the side of the cover 1.

Preferably, the limiting boss 12 is provided with two V-shaped first limiting surfaces 121, the limiting groove 22 is provided with a second limiting surface 221, and the first limiting surfaces 121 are pressed against the second limiting surface 221. The first limiting surface is designed into a V shape, so that the guiding effect can be achieved, the limiting boss 12 can be conveniently inserted into the limiting groove 22, the first limiting surface 121 is pressed on the second limiting surface 221, and the cover body handle 2 can be prevented from rotating relative to the cover body 1.

Further, as shown in fig. 4, a female screw 312 is provided at a lower end of the first valve body 31, and a male screw 322 is provided at an upper end of the second valve body 32, and the female screw 312 and the male screw 322 are engaged with each other to fix the lid body handle 2 to the lid body 1. Further, a first boss 311 is provided at an upper end of the first valve body 31, and the first boss 311 extends in a direction away from the center of the first valve body 31. A second boss 321 is provided at a lower end of the second valve body 32, and the second boss 321 extends in a direction away from the center of the second valve body 32. By arranging the first boss 311 and the second boss 321, when the internal thread 312 and the external thread 322 are mutually matched, the lower end face of the first boss 311 abuts against the upper end face of the cover body handle 2, and the upper end face of the second boss 321 abuts against the lower end face of the cover body 1, so that the cover body handle 2 can be fixed on the cover body 1.

The pressure cooker cover of the embodiment can also comprise a push button 4 and a sliding block 5, wherein the push button 4 is arranged on the cover body handle 2, and the push button 4 can move along the length direction of the cover body handle 2. A push rod 41 is arranged below the push button 4, and the push button 4 is matched with the sliding block 5 through the push rod 41. The slider 5 is disposed within the cover handle 2 and is movable together with the push button 4. In addition, in order to realize the matching of the pressure cooker cover and the pressure cooker body, as described in the prior art CN201088463Y, a limit guide groove is further provided on the cooker body handle, and the limit guide groove is composed of a guide groove and a positioning notch located at the end of the guide groove. When the cover is closed, the blocking piece 51 below the sliding block 5 enters the guide groove along with the rotation of the cover body handle 2 to the pan body handle, and slides towards the cover body 1 under the action of the guide groove. When the cover is closed in place, the blocking piece 51 moves to the tail end of the guide groove, the blocking piece 51 is clamped in the positioning notch under the action of the elastic piece, and at the moment, the cover body handle 2 cannot be rotated, so that the cover body handle 1 and the pot body handle are locked. When the cover is opened, the push button 4 is pushed to move towards the cover body 1, the sliding block 5 moves towards the cover body 1 along with the push button 4, the blocking piece 51 below the sliding block moves out of the positioning notch, the cover body handle 2 and the pot body handle are unlocked, and the pot cover handle 2 can be rotated at the moment, so that the cover opening operation of the pressure pot cover can be carried out.

As shown in fig. 1, a limit plate 42 is further disposed on the push button 4 at an end close to the cover 1, and a limit groove 43 is disposed at an end of the limit plate 42 close to the cover 1, wherein the limit groove 43 is preferably arc-shaped.

When high-pressure gas does not exist in the pot body, the valve core 33 is positioned at the lowest point under the action of self gravity, and the push button 4 can be pushed towards the cover body 1 to open the cover. When high-pressure gas is in the pot body, the valve core 33 rises to the highest point under the action of the high-pressure gas, at the moment, the upper end of the valve core 33 protrudes out of the upper end surface of the handle 2 of the cover body and is just positioned in the limiting groove 43, and the valve core 33 blocks the push button 4 to move towards the direction of the cover body 1, so that the pressure pot cover cannot be opened. Thereby avoiding the risk of uncovering the pan when there is still high pressure gas in the pan.

In the present embodiment, the opening stopper valve 3 functions to stop opening when pressure is applied to the cooker, and also functions to fix the lid handle 2 to the lid 1. Therefore, a fixing piece does not need to be separately provided, the number of parts is reduced, and the assembly is more convenient.

Preferably, as shown in fig. 4, the valve core 33 is a hollow tubular structure with a closed lower end and an open upper end, and at least one vent hole 332 is provided on a side wall near the lower end of the valve core 33, and the vent hole 332 is communicated with a hole inside the valve core 33. When the cover of the pressure cooker is closed in place, the valve core 33 gradually rises to the highest point under the action of the pressure in the cooker, the vent hole 332 completely enters the through hole 323 of the second valve body, and the vent hole 332 is closed, so that the pressure of the pressure cooker can be increased. When the pressure cooker cover is closed but is not closed in place, at the moment, the blocking piece 51 enters the guide groove but is not clamped in the positioning notch at the tail end of the guide groove, the blocking piece 51 moves towards the cover body 1 under the action of the guide groove, the push button 4 moves towards the cover body 1 along with the slide block 5, the limiting plate 42 on the push button 4 blocks the valve core 33 from rising, the vent hole 332 cannot be closed, the pressure cooker cannot be boosted, and therefore the risk that the pressure cooker is not closed in place is reduced.

Further, as shown in fig. 4, a first land 331 is provided on an outer wall of the valve body 33, an outer diameter of the valve body at an upper end of the first land 331 is D1, and an outer diameter of the valve body at a lower end of the first land 331 is D2. The inner wall of the second valve body through hole 323 is provided with a second step 324, the inner diameter of the second valve body through hole at the upper end of the second step 324 is d1, and the inner diameter of the second valve body through hole at the lower end of the second step 324 is d 2. And D1, D1, D2 and D2 are satisfied, so that when the valve core 33 is located at the lowest point, the first step 331 can be pressed against the second step 324, and the valve core 33 is prevented from falling out from the lower part of the valve stop 3 and falling into the pressure cooker under the action of self gravity.

Further, as shown in fig. 4, a groove 333 is provided on a side wall of the lower end of the valve body 33, a sealing ring 34 is provided in the groove 333, and an outer diameter of the sealing ring 34 is larger than an inner diameter d2 of the second valve body through hole at the lower end of the second step 324. When the valve core 33 is located at the highest point, the sealing ring 34 can be abutted against the lower end of the second valve body 32, thereby not only playing a role of sealing, but also preventing the valve core 33 from being separated from the upper part of the valve stop 3 under the action of the pressure in the pot.

Further, the handle valve hole 21 is an oblong hole, the lower end of the first valve body 31 is also in an oblong structure, and the lower end of the first valve body 31 is matched with the handle valve hole 21, that is, the lower end of the first valve body 31 can be inserted into the handle valve hole 21. The design of oblong hole can make first valve body 31 unable for handle valve opening 21 rotates to only need rotate second valve body 32 just can realize the threaded connection of first valve body 31 and second valve body 32 when the assembly, need not with the help of the instrument, simple to operate.

It will be appreciated that the handle valve opening 21 may be configured as a shaped opening of other shapes, such as a polygonal opening; in this case, the lower end of the first valve body 31 is also designed to have a corresponding shape so that the lower end of the first valve body 31 cannot rotate relative to the handle valve hole 21 when inserted into the handle valve hole.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.

Claims

1. A pressure cooker lid, comprising:

the cover body (1), the cover body (1) is provided with a cover body valve hole (11);

a lid body handle (2), wherein the lid body handle (2) is provided with a handle valve hole (21) overlapped with the lid body valve hole (11); and

a valve stop valve (3), wherein the valve stop valve (3) penetrates through the cover valve hole (11) and the handle valve hole (21), and the valve stop valve (3) comprises a first valve body (31), a second valve body (32) and a valve core (33); the first valve body (31) is matched with the second valve body (32) to fix the cover body handle (2) on the cover body (1); the first valve body (31) comprises a first valve body through hole (313), the second valve body (32) comprises a second valve body through hole (323), and the valve core (33) is movably arranged in the first valve body through hole (313) and the second valve body through hole (323);

wherein, be provided with at least one spacing boss (12) on lid (1) with lid handle (2), be provided with matched with spacing recess (22) on lid (1) with lid handle (2) the other, at least a part of spacing boss (12) inserts in spacing recess (22).

2. The pressure cooker lid of claim 1, further comprising: two V-shaped first limiting surfaces (121) are arranged on the limiting boss (12), a second limiting surface (221) is arranged on the limiting groove (22), and the first limiting surfaces (121) are pressed on the second limiting surfaces (221).

3. Pressure cooker lid according to any one of claims 1-2, characterized in that it further comprises:

the push button (4), the said push button (4) is set up on the said cover body hand grip (2), the said push button (4) can move along the length direction of the said cover body hand grip (2), and when the said valve core (33) moves upwards and stands out of the said handle valve hole (21), it stops the movement of the said push button (4) to the cover body direction; and

the pot body is characterized by comprising a sliding block (5), wherein the sliding block (5) is arranged in the cover body handle (2), the sliding block (5) and the push button (4) are linked and move along the length direction of the cover body handle (2), and a blocking piece (51) which can be matched with the pot body handle is arranged at the lower end of the sliding block (5).

4. Pressure cooker lid according to claim 3, characterized in that the end of the push button (4) close to the lid (1) is provided with a limit plate (42), the end of the limit plate (42) close to the lid (1) is provided with a limit groove (43), and when the valve core (33) moves upwards and protrudes out of the handle valve hole (21), it is located in the limit groove (43).

5. Pressure cooker lid according to claim 3, characterized in that: the lower end of the push button (4) is provided with a push rod (41), and the push button (4) is linked with the sliding block (5) through the push rod (41).

6. Pressure cooker lid according to any of claims 1-2, characterized in that: the upper end of the first valve body (31) is provided with a first boss (311) extending in a direction away from the center of the first valve body (31), and the lower end of the first valve body (31) is provided with an internal thread (312);

the lower end of the second valve body (32) is provided with a second boss (321) extending in the direction far away from the center of the second valve body (32), and the upper end of the second valve body (32) is provided with an external thread (322);

when the internal thread (312) and the external thread (322) are matched with each other, the lower end face of the first boss (311) is pressed on the cover body handle (2), and the upper end face of the second boss (321) is pressed on the cover body (1).

7. Pressure cooker lid according to any one of claims 1-2, characterized in that:

the outer wall of the valve core (33) is provided with a first step (331), the outer diameter of the valve core at the upper end of the first step (331) is D1, and the outer diameter of the valve core at the lower end of the first step (331) is D2;

the inner wall of the second valve body through hole (323) is provided with a second step (324), the inner diameter of the second valve body through hole at the upper end of the second step (324) is d1, and the inner diameter of the second valve body through hole at the lower end of the second step (324) is d 2;

and D1> D1> D2> D2, so that a part of the valve core (33) can pass through the second valve body through hole (323), and when the valve core (33) is located at the lowest point, the first step (331) is pressed against the second step (324).

8. Pressure cooker lid according to claim 7, characterized in that: the side wall of the lower end of the valve core (33) is provided with a groove (333), a sealing ring (34) is arranged in the groove (333), the outer diameter of the sealing ring (34) is larger than the inner diameter d2 of the through hole of the second valve body at the lower end of the second step (324), and when the valve core (33) is located at the highest point, the sealing ring (34) is abutted to the lower end of the second valve body (32).

9. Pressure cooker lid according to any of claims 1-2, characterized in that: the lower ends of the handle valve hole (21) and the first valve body (31) are of matched special-shaped structures.

10. Pressure cooker lid according to any one of claims 1-2, characterized in that: the valve core (33) is of a hollow tubular structure with a closed lower end and an open upper end, at least one vent hole (332) is formed in the side wall close to the lower end of the valve core (33), and the vent hole (332) is communicated with a hole in the valve core (33); when the valve core (33) is positioned at the lowest point, the vent hole (332) is communicated with the inside of the pot body; when the valve core (33) is positioned at the highest point, the vent hole (332) completely enters the through hole (323) of the second valve body, and the vent hole (332) is not communicated with the pot body.

11. A pressure cooker, characterized in that: comprising a pressure cooker lid according to any of the claims 1-10, further comprising a pressure cooker body, which pressure cooker lid covers the pressure cooker body.