CN208822449U - A kind of anti-hood-opening device and cooking apparatus of cooking apparatus - Google Patents

Abstract

The utility model provides the anti-hood-opening device and cooking apparatus of a kind of cooking apparatus, the cooking apparatus includes pot body (20), lid (10) and anti-hood-opening device, the anti-hood-opening device includes the actuator (32) and lock piece (33) being set in the lid (10), one end of the lock piece (33) is provided with locking part (330), the other end sliding of the lock piece (33) is biased in the upper end of the actuator (32), and the lock piece (33) has rotating part (331)；When pressure in the pot body (20) is greater than preset pressure, the actuator (32) can drive the lock piece (33) to be rotated in a first direction around the rotating part (331) to fasten the locking part (330) and the pot body (20).When the pressure in cooking apparatus is higher than preset pressure, anti-hood-opening device by way of secondary fastening by lid firmly locking so that lid can not be opened, to promote the safety of cooking apparatus.

Description

A kind of anti-hood-opening device and cooking apparatus of cooking apparatus

Technical field

The utility model relates to the anti-hood-opening devices and culinary art of electrical household appliance field more particularly to a kind of cooking apparatus Utensil.

Background technique

Currently, the micro-pressure electric rice cooker in cooking apparatus is the developing direction of electric cooker, micro-pressure electric rice cooker culinary art when cooking Intracavitary pressure is greater than atmospheric pressure, therefore temperature of the water in boiling is higher than 100 DEG C, the available better heating effect of the grain of rice Fruit facilitates the mouthfeel for promoting rice.Micro-pressure electric rice cooker culinary art when electric cooker in pressure it is larger, each components all bear compared with Big deformation force not only will cause the damage of electric cooker components, also easily draw at this moment if opening electric cooker lid by force Play scald accident.

Therefore, reliable anti-cover-opening structure is set on micro-pressure electric rice cooker, prevents pressure of the user in electric cooker larger When the technical issues of opening lid, being this field urgent need to resolve.

Utility model content

In view of this, the present invention provides the anti-hood-opening devices and cooking apparatus of a kind of cooking apparatus, to prevent from cooking The lid of cooking apparatus is opened when the pressure prepared food in utensil is larger.

In order to achieve the above objectives, the one side of the utility model provides a kind of anti-hood-opening device of cooking apparatus, described to cook Utensil of preparing food includes pot body and the lid that is fastened in the pot body, and the anti-hood-opening device includes being set to the intracorporal drive of lid Moving part and lock piece, one end of the lock piece are provided with locking part, and the other end sliding of the lock piece is biased in the drive The upper end of moving part, the lock piece have rotating part；When the intracorporal pressure of the pot is greater than preset pressure, the actuator energy The lock piece is enough driven to be rotated in a first direction around the rotating part to fasten the locking part and the pot body.

Further, the lock piece is rod-shaped in bending downward, and the locking part is in aduncate hook-shaped, the rotation Transfer part is set to the bending place of the lock piece, and the rotating part is through-hole or is pin shaft.

Further, the anti-hood-opening device further include for drive the lock piece around the rotating part in a second direction The elastic recoil part of rotation, one end of the elastic recoil part are connect with the lock piece, the other end of the elastic recoil part It is connect with the lid, the first direction is opposite with second direction.

Further, the elastic recoil part is tension spring or rubber band, and one end of the elastic recoil part is connected to described One end close to the locking part of lock piece, and the elastic recoil part is located at the top of the lock piece；Alternatively, the bullet Property return member one end be connected to one end close to the actuator of the lock piece, and the elastic recoil part be located at it is described The lower section of lock piece.

Further, the elastic recoil part is pressure spring, and one end of the elastic recoil part is connected to the lock piece Close to one end of the locking part, and the elastic recoil part is located at the lower section of the lock piece；Alternatively, the elastic recoil part One end be connected to the lock piece close actuator one end, and the elastic recoil part is located at the upper of the lock piece Side.

The another aspect of the utility model provides a kind of cooking apparatus, including pot body and the lid being fastened in the pot body Body, be provided in the pot body uncap key and with first buckling parts uncapped by key connection, be provided on the lid With the second buckling parts of first buckling parts cooperation, the cooking apparatus further includes any of the above-described kind of anti-hood-opening device, institute Stating lid includes elastic movement portion, and the lower end of the elastic movement portion and the actuator is drivingly connected, the elastic movement portion When the intracorporal pressure of the pot is greater than preset pressure with upward elastic deformation, to drive the actuator to move and then drive The lock piece is moved to be rotated in a first direction around the rotating part.

Further, the lid includes upper cover and lower cover, and installation cavity, the elasticity are formed between the upper cover and lower cover Movement portion is seal, and the seal is at least partly installed in the installation cavity, the seal include cylinder and It is sealedly attached to the elastic component on the top of the cylinder, the lower end of the actuator and the elastic component are tightly connected, under described Lid is provided with intercommunicating pore, and the seal is provided with venthole, and the intercommunicating pore is connected to the venthole, and the elastic component exists With upward elastic deformation when the intracorporal pressure of sealing is greater than preset pressure.

Further, the elastic component has mounting hole, and the lower end of the actuator has engaging groove, the actuator Lower end be arranged in the mounting hole, the side wall of the mounting hole of the elastic component be caught in the engaging groove and with the card Groove is closed to be tightly connected.

Further, the seal includes the flap abutted with the lower cover, and the flap is connected to the cylinder The bottom of the flap is arranged in the lower part of body, the venthole, and the outer diameter of the flap first expands from bottom to up to be received again Contracting.

Further, the upper cover includes cover and the inner cover below cover, it is described in cover to be provided with and be installed with hole, The cylinder is installed in hole described in being arranged in, and the seal includes for will be sealed between the cylinder and the inner cover Sealing.

Further, the sealing includes the sealing ring that the outer rim along the top of cylinder protrudes upward, the lid packet Include pressing plate, the pressing plate for sealing is connected to being installed with around hole of the upper surface of the inner cover, is provided with described in confession on the pressing plate The through hole that actuator passes through, the sealing ring seal against around the through hole of the pressing plate.

Further, the hole that is installed with is counterbore, and the sealing includes extending downwardly from the lower surface of the sealing ring Convex extension part, there is annular groove between the outer rim on the top of the convex extension part and the cylinder, the bottom of the convex extension part is connected to The surface of the counterbore, the outer rim of the convex extension part are connected to the side wall of the counterbore.

Further, the lid includes upper cover and lower cover, and the elastic movement portion is the lower cover, the actuator Lower end is abutted with the upper surface of the lower cover.

Further, the cooking apparatus is electric cooker or electric pressure cooking saucepan.

The actuator of the anti-hood-opening device of the cooking apparatus of the utility model can be greater than default pressure in the intracorporal pressure of pot When power, driving lock piece rotates around first direction and then fastens the locking part of lid and pot body, forms the secondary button to lid It closes；When pressure in cooking apparatus is larger, even if pressing the key of uncapping of cooking apparatus, but since locking part and pot body are formed Secondary fastening, can be effectively prevented open cooking apparatus lid, improve the safety of cooking apparatus.

Detailed description of the invention

Fig. 1 is the structural schematic diagram for the electric cooker with anti-hood-opening device that an embodiment of the present invention provides；Wherein, Lid is in the open state；

Fig. 2 is the structural schematic diagram of electric cooker shown in FIG. 1；Wherein, lid is in closed state, and anti-hood-opening device is in Non- lockup state；

Fig. 3 is the structure enlargement diagram at the A in Fig. 2；

Fig. 4 is the structure enlargement diagram at the B in Fig. 2；

Fig. 5 is the structural schematic diagram of electric cooker shown in FIG. 1；Wherein, lid is in closed state, and at anti-hood-opening device In lockup state；

Fig. 6 is the structure enlargement diagram at the C in Fig. 5；

Fig. 7 is the structural schematic diagram of the seal of an embodiment of the present invention；And

Fig. 8 is the anti-hood-opening device of an embodiment of the present invention and the stress diagram of seal.

Description of symbols:

10, lid 12, upper cover 120, inner cover 121, cover

1201, hole 14, lower cover 141, intercommunicating pore 13, the second buckling parts are installed with

16, installation cavity 20, pot body 21, key 22 of uncapping, lock

23, the first buckling parts 31, seal 310, cylinder 311, flap

312, venthole 313, elastic component 3130, mounting hole 314, sealing

3140, sealing ring 3141, convex extension part 316, annular groove 32, actuator

320, engage groove 33, lock piece 330, locking part 331, rotating part

34, the surface of pressing plate 341, through hole 1201a, counterbore

The side wall of 1201b, counterbore

Specific embodiment

The embodiments of the present invention is described further with reference to the accompanying drawing.Make in the embodiments of the present invention Noun of locality when noun of locality "upper", "lower", "inner", "outside" are relative to cooking apparatus normal use.

The utility model provides a kind of cooking apparatus with anti-hood-opening device, please refers to Fig. 1, Fig. 2 and Fig. 5, wherein By taking electric cooker as an example, which includes pot body 20, lid 10 and prevents opening cooking apparatus shown in Fig. 1, Fig. 2 and Fig. 5 Lid arrangement, lid 10 include upper cover 12 and lower cover 14, are installation cavity 16, further, upper cover 12 between upper cover 12 and lower cover 14 Inner cover 120 including cover 121 and positioned at 121 lower section of cover, the space between inner cover 120 and lower cover 14 is installation cavity 16.Specifically, uncap key 21 and the first buckling parts 23 for connecting with the key 21 of uncapping, lid 10 are provided in pot body 20 On corresponding position be provided with the second buckling parts 13 with the cooperation of the first buckling parts 23, when pot body 20 and lid 10 fasten, the One buckling parts 23 and the interlocking of the second buckling parts 13.When needing to open lid 10, key 21 of uncapping is pressed, the first buckling parts 23 is de- From the second buckling parts 13, i.e. openable lid 10 at this time.

Further, anti-hood-opening device includes the actuator 32 being set in lid 10 and lock piece 33 and is set to pot Lock 22 on body 20；One end of lock piece 33 is provided with the locking part 330 with 22 cooperation of lock, and the other end of lock piece 33 is sliding The dynamic upper end for being biased in actuator 32, the lock piece 33 have rotating part 331, and actuator 32 can be in the gas in pot body 20 Pressure be greater than preset pressure when, driving lock piece 33 around rotating part 331 along first direction shown in Fig. 2 rotate counterclockwise with will Locking part 330 and lock 22 fasten, i.e., by 10 locking of lid.When the pressure of the gas in pot body 20 is less than or equal to preset pressure When, referring to Fig. 2, when the pressure i.e. in pot body 20 is safe pressure, even if opening lid 10 at this time there will not be burn hazard, Locking part 330 and lock 22 are detached from, and anti-hood-opening device is in non-lockup state, presses key 21 of uncapping, and lid 10 is i.e. openable, State after lid 10 is opened please refers to Fig. 1；When the pressure in pot body 20 is greater than preset pressure, referring to Fig. 5, locking part 330 fasten with lock 22, and anti-hood-opening device is in lockup state with by 10 locking of lid, even if pressing key 21 of uncapping at this time, Lid 10 can not also be opened.The pressure in the pot body 20 of cooking apparatus can be effectively prevented greater than preset pressure in the utility model When open cooking apparatus lid 10, promote the safety of cooking apparatus.

It should be noted that lock 22 can be and be shaped in pot body 20, it is also possible to by being spirally connected, riveting, glue It the modes such as connects to be connected in pot body 20.

" the sliding bias " refers to being sliding contact between one end of lock piece 33 and the upper end of actuator 32, and Lock piece 33 is applied with certain pressure to the upper end of actuator 32.

Preset pressure can uncap the pressure of movement to meet safety operation cooking apparatus according to as defined in relevant law or standard Force value.

Further, lid 10 includes elastic movement portion, and pressure of the elastic movement portion in pot body 20 is greater than preset pressure When with upward elastic deformation, i.e., the pressure in pot body 20 is born in elastic movement portion, and the pressure effect in pot body 20 issues Raw upward elastic deformation, the lower end and elastic movement portion of actuator 32 are drivingly connected, i.e. the movement in elastic movement portion can drive Actuator 32 moves and then lock piece 33 is driven to rotate around rotating part 331 along first direction shown in Fig. 2 with by 10 locking of lid.

When the pressure in pot body 20 is less than or equal to preset pressure, referring to Fig. 2, bullet does not occur for elastic movement portion at this time Property deformation, locking part 330 and lock 22 be detached from, and lock piece 33 does not carry out locking to lid 10, and anti-hood-opening device is in non-locking State.When the pressure in pot body 20 persistently increases until when being greater than preset pressure, elastic deformation, band occur upwards for elastic movement portion Dynamic actuator 32 moves upwards, and actuator 32 drives lock piece 33 to rotate around first direction shown in Fig. 2, and postrotational state is asked Refering to Fig. 5, locking part 330 and lock 22 are fastened at this time, and anti-hood-opening device is in lockup state, and lock piece 33 locks lid 10 Only, the non-lockup state variation of the anti-hood-opening device of this process as shown in Figure 2 is lockup state shown in fig. 5.When in pot body 20 When pressure is progressively smaller until by being greater than preset pressure equal to or less than preset pressure, elastic movement portion can restore to bullet does not occur Property deformation state, lock piece 33 rotates clockwise around second direction shown in fig. 5, and lock piece 33 and lock 22 are detached from this time, Lock piece 33 releases the locking to lid 10, and the lockup state of anti-hood-opening device as shown in Figure 5 is restored to non-locking shown in Fig. 2 State.The utility model drives the movement of elastic movement portion to reach locking using the pressure of the gas in cooking apparatus as power source The purpose of lid 10, not using electric components such as pressure sensor and solenoid valves, therefore can be to avoid because of electrical first device Part be out of order and can not effective locking lid 10 security risk, promote the reliability of cooking apparatus.

Fig. 6 and Fig. 7 are please referred to, in first embodiment provided by the utility model, elastic movement portion is seal 31, close The inside of envelope body 31 is formed as hemi-closure space, and seal 31 is at least partially arranged in installation cavity 16, i.e., seal 31 is at least There is part-structure to be located between upper cover 12 and lower cover 14.Seal 31 include cylinder 310, elastic component 313, flap 311 with And sealing 314, elastic component 313 are connect with the top seal of cylinder 310, such as the top of elastic component 313 and cylinder 310 is one Body formula structure；Flap 311 is connect with the lower part of cylinder 310, for example, the lower part of flap 311 and cylinder 310 is integral type company It connects.Further, the outer diameter of flap 311 first expands from bottom to up shrinks again, i.e., flap 311 is in drum type, flap 311 Bottom is provided with venthole 312, and lower cover 14 is correspondingly arranged on intercommunicating pore 141, and flap 311 is connected to the intercommunicating pore of lower cover 14 At 141, and it is connected to intercommunicating pore 141 with venthole 312, so that the pot body 20 of pressure and cooking apparatus in seal 31 Interior pressure is identical.When seal 31 is installed, the flap 311 of drum type can in above-below direction stress when occur one Fixed deformation, so that certain deformation can occur along the vertical direction for seal 31 in turn when being folded between upper cover 12 and lower cover 14 Certain pretightning force is generated, so that seal 31 is reliably connected between upper cover 12 and lower cover 14.Furthermore due to flap 311 deformation along the vertical direction can drop so that the dimensional tolerance of the up and down direction of reserved installation seal 31 is expanded The installation requirement of low seal 31.

Elastic component 313 is located at the top of the cylinder 310 of seal 31, and specifically, cylinder 310 is arranged in elastic component 313 On the inner wall at top.Elastic component 313 is substantially in bowl structure, when the pressure in seal 31 is less than or equal to preset pressure, is asked Refering to Fig. 7, elastic component 313 is concaved towards in seal 31, and elastic deformation does not occur for elastic component 313 at this time；Pressure in seal 31 When power is greater than preset pressure, referring to Fig. 6, elastic component 313 protrudes outward under the pressure effect of gas, i.e., elastic component 313 exists With upward elastic deformation when pressure in seal 31 is greater than preset pressure.Bowl-shape elastic component 313 can have enough Move distance.The material of elastic component 313 can be selected according to actual needs, such as silica gel.Installation is provided on elastic component 313 For sealing installation actuator 32 specifically, mounting hole 3130 is arranged in the center of elastic component 313 in hole 3130.

Sealing 314 includes the sealing ring 3140 protruded upward along the top outer rim of cylinder 310 and from sealing ring 3140 The convex extension part 315 that extends downwardly of lower surface, specifically, sealing ring 3140 and convex extension part 315 can be integral structure.Sealing The structure type of circle 3140 can be designed according to actual needs, for example, sealing ring 3140 is Y type sealing structure, V-seal knot Structure etc..Annular groove 316 is separated between convex extension part 3141 and the outer wall of cylinder 310.

Seal 31 is whole to can be integral structure, i.e. cylinder 310, flap 311, elastic component 313 and sealing 314 are an integral structure, and silica gel material can be used in seal 31.

In order to meet the installation needs of seal 31, hole 1201, cylinder are installed with referring to Fig. 6, being provided on inner cover 120 310, which are arranged in this, is installed in hole 1201, i.e., the lower part of cylinder 310 and flap 311 are located in installation cavity 16, cylinder 310 Top and elastic component 313, actuator 32 and lock piece 33 are respectively positioned in upper cover 12.In order to avoid the air-flow in installation cavity 16 Enter in upper cover 12 at calm apertured 1201, is sealed between cylinder 310 and inner cover 120 by sealing 314.For the ease of Installation and sealing, lid 10 further include pressing plate 34, and what pressing plate 34 was sealedly attached to the upper surface of inner cover 120 is installed with hole 1201 weeks It encloses, i.e., pressing plate 34 covers at the top for being installed with hole 1201, elastic component 313 and cylinder 310, and the bottom of pressing plate 34 and inner cover 120 Upper surface be to be tightly connected, as the bottom of pressing plate 34 and the upper surface of inner cover 120 be it is smooth, connected by bolt etc. Firmly fixation can meet the seal request to mode, and the through hole 341 passed through for actuator 32 is provided on pressing plate 34, such as Through hole 341 is arranged in the center of pressing plate 34, and sealing ring 3140 was sealed against in the week of the through hole 341 of the lower surface of pressing plate 34 It encloses.Further, being installed with hole 1201 is counterbore, and the bottom of convex extension part 3141 is abutted with the surface 1201a of the counterbore, with realization pair The support and positioning of the up and down direction of seal 31；The outer rim of convex extension part 3141 is abutted with the side wall 1201b of counterbore, with realization pair Entire seal 31 carries out radial limit, while also playing the sealing effect reinforced between seal 31 and inner cover 120.When convex When extending portion 3141 is by active force radially, due to being provided with annular groove 316, it is appropriate to may make that convex extension part 3141 carries out Deformation, to adapt to actual installation needs.

Referring to Fig. 6, actuator 32 presents the rod-shaped of lower extension, the lower end of actuator 32 and the mounting hole of elastic component 313 3130 are sealedly and fixedly connected, and specifically, the lower end of actuator 32 has engaging groove 320, and the lower end of actuator 32 passes through installation Hole 3130, and the hole wall of mounting hole 3130 is caught in engaging groove 320 and seals against with groove 320 is engaged, and so realizes The lower end of actuator 32 and being sealedly and fixedly connected for elastic component 313.In order to increase the effect being sealedly and fixedly connected, elastic component 313 parts for being located at the hole wall of mounting hole 3130 are thickeied, and the lower end overstriking of actuator 32 engages the size of groove 320 It increases accordingly, that is, ensure that bonding strength, can also enhance sealing effect.

Referring to Fig. 1, lock piece 33 is rod-shaped in bending downward, the locking part 330 of lock piece 33 is in aduncate hook Shape, and 22 are latched then accordingly in the export-oriented horizontal plate protruded out.Rotating part 331 can be configured according to actual needs, for example, Rotating part 331 is set to the bending place of lock piece 33, and bending place is formed with a through-hole (not shown), and through-hole is set in one admittedly In fixed axis (not shown), specifically, the axis of the fixation is fixedly connected with upper cover 12, and lock piece 33 can be revolved around the axis of the fixation Turn, i.e., rotating part 331 is the through-hole.In a unshowned embodiment, it is set as pin shaft in bending place, pin shaft is protruded into and is located at In hole in upper cover 12, lock piece 33 can be rotated around the pin shaft, i.e., rotating part 331 is the pin shaft.

Further, bending place closer to lock piece 33 locking part 330 one end, i.e. bending place to locking part 330 The distance of one end is less than the distance of bending place to the other end, so that the bending place of lock piece 33 to the part between locking part 330 Gravity torque absolute value be less than bending place to the part of the other end gravity torque absolute value.Pressure in pot body 20 By being greater than after preset pressure becomes smaller than preset pressure, lock piece 33 can be under the effect of gravity around rotating part 331 along the Two directions rotate and self-return.Thus special return member can be omitted, so that structure is simpler.

In unshowned embodiment, anti-hood-opening device further includes elastic recoil part (not shown), and elastic recoil part is used for Applying active force to lock piece 33 rotates in a second direction lock piece 33 and return around rotating part 331.The elastic component 313 Both ends are connected to the corresponding position of lock piece 33 Yu upper cover 12.The elastic recoil part can be rubber band, tension spring or pressure spring.Tool Body, when elastic recoil part is rubber band or tension spring, one end of elastic recoil part is connected to the close sealed of lock piece 33 The one end in portion 330, and elastic recoil part is located at the top of lock piece 33, the other end of elastic recoil part is then connected to upper cover 12 The position of top corresponding to lock piece 33, for example, being connected on cover 121；Alternatively, one end of elastic recoil part is connected to lock One end of the close actuator 32 of stop member 33, and elastic recoil part is located at the lower section of lock piece 33, the other end of elastic recoil part It is then connected to the position of the lower section corresponding to lock piece 33 of upper cover 12, for example, being connected on inner cover 120.Work as elastic recoil part When for pressure spring, one end of elastic recoil part is connected to one end of the close locking part 330 of lock piece 33, and elastic recoil part is located at The lower section of lock piece 33, the other end of elastic recoil part are connected to the position of the lower section corresponding to lock piece 33 of upper cover 12, example Such as, it is connected on inner cover 120；Alternatively, one end of elastic recoil part is connected to one end of the close actuator 32 of lock piece 33, and Elastic recoil part is located at the top of lock piece 33, and what the other end of elastic recoil part was connected to upper cover 12 corresponds to lock piece 33 The position of top, for example, being connected on cover 121.

Fig. 8 is referred to, the working principle of anti-hood-opening device and seal 31 in the present embodiment is as follows:

Wherein, G1 is the gravity of actuator 32, and G2 is active force of the lock piece 33 to actuator 32, and F2 is elastic component 313 Pulling force, F1 be seal 31 in gas pressure generate thrust.

According to F1=P*S, thrust F1 can be extrapolated.P is the pressure of the gas in seal 31, and S is elastic component 313 Stress effective area is constant.As (G1+G2+F2) >=F1, i.e. when P≤(G1+G2+F2)/S, elastic component 313 will not be moved, Anti- hood-opening device is in non-lockup state.As (G1+G2+F2)<F1, i.e. when P>(G1+G2+F2)/S, elastic component 313 upsprings Property deformation, anti-hood-opening device switch to lockup state from non-lockup state.

The value (pressure threshold) of preset pressure can be set as a constant P1, such as P1=0.3MPa according to actual needs, enable:

P1=(G1+G2+F2)/S formula (1)

Therefore, can according to the formula (1) derive F2 and S between relationship, and then with to seal 31 selection and ruler It is very little to be designed.

Second embodiment provided by the utility model, different from the first embodiment, elastic movement portion is lid 10 The lower end of lower cover 14, actuator 32 is abutted with the upper surface of lower cover 14.Lower cover 14 is foil, and foil is in pot body 20 Pressure force under easily upward deformation, thus drive actuator 32 move upwards.

It is described by taking electric cooker as an example in above embodiments, it is to be understood that the cooking apparatus of the utility model is not It is limited to electric cooker, can also be, it may for example comprise but it is not limited to electric pressure cooking saucepan.

More than, the only preferred embodiment of the utility model is not intended to limit the protection scope of the utility model.

Claims (15)

1. a kind of anti-hood-opening device of cooking apparatus, the cooking apparatus includes pot body (20) and is fastened on the pot body (20) Lid (10), which is characterized in that the anti-hood-opening device includes the actuator (32) that is set in the lid (10) and lock One end of stop member (33), the lock piece (33) is provided with locking part (330), and the other end of the lock piece (33) slides bias In the upper end of the actuator (32), the lock piece (33) has rotating part (331)；Pressure in the pot body (20) is big When preset pressure, the actuator (32) can drive the lock piece (33) around the rotating part (331) along first direction Rotation is to fasten the locking part (330) and the pot body (20).

2. anti-hood-opening device according to claim 1, which is characterized in that the anti-hood-opening device further includes being arranged described Lock (22) in pot body (20), the locking part (330) are fastened by the lock (22) and the pot body (20).

3. anti-hood-opening device according to claim 1, which is characterized in that the lock piece (33) is in the bar bent downward Shape, for the locking part (330) in aduncate hook-shaped, the rotating part (331) is set to the bending of the lock piece (33) Place, the rotating part (331) are through-hole or are pin shaft.

4. anti-hood-opening device according to claim 1, which is characterized in that the anti-hood-opening device further includes for driving State the elastic recoil part that lock piece (33) is rotated in a second direction around the rotating part (331), one end of the elastic recoil part Connect with the lock piece (33), the other end of the elastic recoil part is connect with the lid (10), the first direction with Second direction is opposite.

5. anti-hood-opening device according to claim 4, which is characterized in that the elastic recoil part be tension spring or rubber band, One end of the elastic recoil part is connected to one end close to the locking part (330) of the lock piece (33), and the bullet Property return member is located at the top of the lock piece (33)；Alternatively, one end of the elastic recoil part is connected to the lock piece (33) one end close to the actuator (32), and the elastic recoil part is located at the lower section of the lock piece (33).

6. anti-hood-opening device according to claim 4, which is characterized in that the elastic recoil part is pressure spring, the elasticity One end of return member is connected to one end close to the locking part (330) of the lock piece (33), and the elastic recoil part Positioned at the lower section of the lock piece (33)；Alternatively, one end of the elastic recoil part is connected to the close of the lock piece (33) One end of actuator (32), and the elastic recoil part is located at the top of the lock piece (33).

7. a kind of cooking apparatus, including pot body (20) and the lid (10) being fastened on the pot body (20), the pot body (20) On the first buckling parts (23) for being provided with key of uncapping (21) and being connect with the key of uncapping (21), set on the lid (10) It is equipped with the second buckling parts (13) with first buckling parts (23) cooperation, which is characterized in that the cooking apparatus further includes power Benefit requires the described in any item anti-hood-opening devices of 1-6, and the lid (10) includes elastic movement portion, the elastic movement portion and institute The lower end for stating actuator (32) is drivingly connected, when pressure of the elastic movement portion in the pot body (20) is greater than preset pressure With upward elastic deformation, to drive the actuator (32) to move and then drive the lock piece (33) around the rotating part (331) it is rotated in a first direction.

8. cooking apparatus according to claim 7, which is characterized in that the lid (10) includes upper cover (12) and lower cover (14), installation cavity (16) are formed between the upper cover (12) and lower cover (14), the elastic movement portion is seal (31), described Seal (31) is at least partly installed in the installation cavity (16), and the seal (31) includes cylinder (310) and close Envelope is connected to the elastic component (313) on the top of the cylinder (310), the lower end of the actuator (32) and the elastic component (313) it being tightly connected, the lower cover (14) is provided with intercommunicating pore (141), and the seal (31) is provided with venthole (312), The intercommunicating pore (141) is connected to the venthole (312), pressure of the elastic component (313) in the seal (31) With upward elastic deformation when greater than preset pressure.

9. cooking apparatus according to claim 8, which is characterized in that the elastic component (313) has mounting hole (3130), The lower end of the actuator (32) has engaging groove (320), and the lower end of the actuator (32) is arranged in the mounting hole (3130) in, the side wall of the mounting hole (3130) of the elastic component (313) be caught in the engaging groove (320) and with the card Groove (320) are closed to be tightly connected.

10. cooking apparatus according to claim 8, which is characterized in that the seal (31) includes and the lower cover (14) flap (311) abutted, the flap (311) are connected to the lower part of the cylinder (310), the venthole (312) it is arranged in the bottom of the flap (311), the outer diameter of the flap (311) first expands from bottom to up to be shunk again.

11. cooking apparatus according to claim 8, which is characterized in that the upper cover (12) includes cover (121) and is located at Inner cover (120) below cover (121) is provided on the inner cover (120) and is installed with hole (1201), and the cylinder (310) wears It is installed in hole (1201) in described, the seal (31) includes for will be between the cylinder (310) and the inner cover (120) The sealing (314) being sealed.

12. cooking apparatus according to claim 11, which is characterized in that the sealing (314) includes along cylinder (310) Top the sealing ring (3140) that protrudes upward of outer rim, the lid (10) includes pressing plate (34), pressing plate (34) sealing It is connected to being installed with around hole (1201) for the upper surface of the inner cover (120), is provided on the pressing plate (34) for the driving The through hole (341) that part (32) passes through, the sealing ring (3140) seal against the through hole (341) in the pressing plate (34) Around.

13. cooking apparatus according to claim 12, which is characterized in that described be installed with hole (1201) are counterbore, described close Envelope portion (314) includes the convex extension part (315) extended downwardly from the lower surface of the sealing ring (3140), the convex extension part (315) There are annular groove (316) between the outer rim on the top of the cylinder (310), the bottom of the convex extension part (315) is connected to described The outer rim on the surface (1201a) of counterbore, the convex extension part (315) is connected to the side wall (1201b) of the counterbore.

14. cooking apparatus according to claim 7, which is characterized in that the lid (10) includes upper cover (12) and lower cover (14), the elastic movement portion is the lower cover (14), the lower end of the actuator (32) and the upper surface of the lower cover (14) It abuts.

15. according to cooking apparatus described in claim 7-14 any one, which is characterized in that the cooking apparatus is electric cooker Or electric pressure cooking saucepan.