CN207627055U - Cooking utensil - Google Patents

Abstract

The utility model provides a cooking utensil, include: the pot body is used for containing food to be cooked; the pot cover is covered on the pot body, and the pot cover is provided with an exhaust hole; the relief valve subassembly sets up the upper surface at the pot cover to be located exhaust hole department, the relief valve subassembly includes: the valve seat is provided with a valve cavity communicated with the exhaust hole, and an air discharge channel communicated with the valve cavity and the outside is arranged on the valve seat; the valve core is arranged on the valve seat and extends into the valve cavity, and a sharp end is formed at one end of the valve core, which is far away from the valve seat; an elastic blocking piece, at least part of which is arranged in the valve cavity and covers the vent hole. The utility model provides a cooking utensil's relief valve among the prior art the structure unreasonable and lead to its operational reliability poor and influence cooking utensil's safety in utilization and aesthetic property's problem.

Description

Cooking apparatus

Technical field

The utility model is related to small household appliances fields, in particular to a kind of cooking apparatus.

Background technology

Currently, electric pressure cooking saucepan has become standing family kitchen small household appliances.Electric pressure cooking saucepan in the market is usually provided with pressure release Valve and safety valve, when relief valve disabler, safety valve can equally be played as the second pressure release insurance of electric pressure cooking saucepan Pressure release effect to electric pressure cooking saucepan, avoids the pressure in electric pressure cooking saucepan from persistently increasing and burst accident and hurt user, drops The hidden danger safe to use of low-voltage power pot.

In order to improve the reliability of safety valve work, the safety valve being arranged on existing electric pressure cooking saucepan is usually a pressure release It can not resetting structure, that is to say, that safety valve is opened, and after electric pressure cooking saucepan carries out pressure release, safety valve can not reset, and electric pressure cooking saucepan is just Pressure holding function is lost, user just can not be continuing with electric pressure cooking saucepan, only be sent at the maintenance agency of profession to Voltage force Pot carries out major tune-up, after whole troubleshootings of electric pressure cooking saucepan, then safety valve is repaired, to ensure user to the maximum extent Use the safety of electric pressure cooking saucepan.Existing safety valve it is complicated, and each structural member of safety valve is distributed in the two of pot cover Side, in this way, the inner surface out-of-flatness of pot cover, is not only easy to shelter evil people and countenance evil practices and pollute the food in pot, but also be not easy to clean, it is miscellaneous Object is easily accessible in safety valve and influences safety valve and normally open, and hidden danger safe to use is brought for electric pressure cooking saucepan, in addition, pot cover The out-of-flatness of inner surface also affect the aesthetics of electric pressure cooking saucepan, it is good to the usage experience of electric pressure cooking saucepan to reduce user Sense.

Utility model content

The main purpose of the utility model is to provide a kind of cooking apparatus, to solve cooking apparatus in the prior art The unreasonable structure of safety valve and lead to its functional reliability difference and influence the safety in utilization and aesthetics of cooking apparatus Problem.

To achieve the goals above, the utility model provides a kind of cooking apparatus, including：Pot body is cooked to hold It prepares food food；Pot cover, pot cover lid are located in pot body, and gas vent is offered on pot cover；The upper table in pot cover is arranged in relief valve assembly Face, and at gas vent, relief valve assembly includes：Valve seat, valve seat have the valve chamber being connected to gas vent, are provided on valve seat It is connected to valve chamber and extraneous bleed passage；Spool, spool setting is stretched out on valve seat and into valve chamber, and the separate valve seat of spool One end form spine end；Elastic closeouts, at least partly elastic closeouts are arranged in valve chamber and cover gas vent will arrange Stomata is separated with valve chamber, and pressure predetermined value is punctured when the pressure in pot body is greater than or equal to, and elastic closeouts are towards in valve chamber It deforms and is broken by spine terminal spine, so that pot nside is in communication with the outside by relief valve assembly.

Using the technical solution of the utility model, by the way that relief valve assembly is arranged at the gas vent of pot cover, let out to work as For pressure valve in disabler, the steam in pot body can be discharged into the external world by the bleed passage of gas vent and relief valve assembly, To make the pressure in pot body maintain in safe range, since relief valve assembly is located at the upper surface of pot cover side, to pot The lower surface of lid is smooth, so that pot cover is integrally had good aesthetic appearance, while also avoiding steam shadow of the sundries in pot body The problem of accumulating at the position of relief valve assembly under sound and pot cover is caused to be difficult to food in cleaning and pot body easy to pollute occurs.

Since relief valve assembly includes valve seat, spool and elastic closeouts, spool is arranged on valve seat and to the valve of valve seat Intracavitary is stretched out, and at least partly elastic closeouts are arranged in valve chamber and cover gas vent, and one end shape of the separate valve seat of spool At spine end.In this way, elastic closeouts separate gas vent and valve chamber, and the bottom surface of elastic closeouts is used as and bears in pot body Steam pressure stress surface, when the pressure in pot body reaches deformation pressure predetermined value, elastic closeouts start to be directly toward Deformation in valve chamber, and when the pressure in pot body continue to increase and reach puncture pressure predetermined value when, elastic closeouts deformation to The state of spool contact, at this point, elastic closeouts are broken by spine terminal spine, pot nside is in communication with the outside by relief valve assembly； It can be seen that the elastic closeouts of the utility model can not restore automatically after being punctured, pot nside is in communication with the outside always, cooks Appliance internal pressure of preparing food just can not continue to increase, and the pressure for avoiding pot nside persistently increases cooking apparatus is caused to burst and hinder The accident of evil user occurs；In addition, if user wants to be continuing with cooking apparatus, need to replace elastic closeouts, Relief valve assembly is also avoided in this way to occur using failure, so that relief valve assembly is in reliably working condition always, is improved The safety in utilization of cooking apparatus.

Further, spool is in the form of a column, and air bleed slot is offered on the periphery wall for the spool being in the form of a column.

Further, the extending direction of air bleed slot is parallel to the axis of spool.

Further, elastic closeouts are the laminated structure made of silica gel or rubber.

Further, elastic closeouts include ring-shaped edge section connected in sequence, annular projection section and middle part from outside to inside Planar support section, wherein ring-shaped edge section is clamped to be arranged between valve seat and pot cover, and annular projection section is towards the side of valve chamber Protrusion setting.

Further, relief valve assembly further includes elastic supporting member for supporting optical member, and elastic supporting member for supporting optical member is arranged in valve chamber and is supported on valve Between the chamber roof of chamber and elastic closeouts.

Further, spool is arranged on chamber roof, and spool is in the form of a column, and elastic supporting member for supporting optical member is the bullet being set on spool Spring.

Further, spool is removably disposed on valve seat or spool is structure as a whole with valve seat.

Further, multiple air vents are offered on the chamber roof of valve chamber, multiple air vents are circumferentially positioned at the outer of spool Side is simultaneously spaced setting to form bleed passage.

Further, valve seat includes valve body and the mounting lug that is connect with valve body, and valve body surrounds valve chamber, and relief valve assembly is also Including fastener, fastener is threaded through at mounting lug to be fastenedly connected valve seat and pot cover.

Further, cooking apparatus includes electric pressure cooking saucepan or electric cooker.

Description of the drawings

The accompanying drawings which form a part of this application are used to provide a further understanding of the present invention, this practicality Novel illustrative embodiments and their description are not constituted improper limits to the present invention for explaining the utility model. In the accompanying drawings：

Fig. 1 shows the relief valve assembly and relief valve of a kind of cooking apparatus of alternative embodiment according to the present utility model With the assembly relation schematic diagram of pot cover；

Fig. 2 shows the decomposition texture schematic diagrams of relief valve assembly, relief valve and pot cover in Fig. 1；

Fig. 3 shows the vertical view in Fig. 1；

Fig. 4 shows a kind of sectional view of the relief valve assembly of alternative embodiment at A-A in Fig. 3；

Fig. 5 shows the sectional view of the relief valve assembly of another alternative embodiment；

Fig. 6, which is shown in Fig. 1, carries a kind of structural schematic diagram of the valve seat of the spool of alternative embodiment；

Fig. 7 shows the structural schematic diagram of the valve seat of the spool with another alternative embodiment in Fig. 1.

Wherein, above-mentioned attached drawing includes the following drawings label：

10, pot cover；11, gas vent；20, relief valve assembly；21, valve seat；211, valve chamber；212, chamber roof；213, it deflates Hole；214, valve body；215, mounting lug；22, spool；221, spine end；222, air bleed slot；23, elastic closeouts；231, cyclic annular Edge section；232, annular projection section；233, middle plane supporting section；24, elastic supporting member for supporting optical member；25, fastener；30, relief valve.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.It is illustrative to the description only actually of at least one exemplary embodiment below, is never used as to this practicality Novel and its application or any restrictions used.Based on the embodiments of the present invention, those of ordinary skill in the art are not having There is the every other embodiment obtained under the premise of making creative work, shall fall within the protection scope of the present invention.

Safety valve structure in order to solve cooking apparatus in the prior art it is unreasonable and cause its functional reliability difference with And the problem of influencing the safety in utilization and aesthetics of cooking apparatus, the utility model provides a kind of cooking apparatus, needs Both it is electric pressure cooking saucepan or electric cooker that bright, which is cooking apparatus involved in the application, but be also not limited to.

As shown in Figures 1 to 7, cooking apparatus includes pot body, pot cover 10 and relief valve assembly 20；Wherein, pot body is containing Cooked food is put, the lid of pot cover 10 is located in pot body, and gas vent 11 is offered on pot cover 10, and valve seat 21 is arranged on pot cover 10 simultaneously At gas vent 11；Relief valve assembly 20 includes valve seat 21, spool 22 and elastic closeouts 23, and valve seat 21 has and gas vent The valve chambers 211 of 11 connections, connection valve chamber 211 and extraneous bleed passage are provided on valve seat 21, and spool 22 is arranged in valve seat 21 It stretches out above and into valve chamber 211, and one end of the separate valve seat 21 of spool 22 forms spine end 221, at least partly elasticity blocks The setting of part 23 is in valve chamber 211 and covers gas vent 11 to separate gas vent 11 and valve chamber 211, when the pressure in pot body is big In or equal to predetermined value, elastic closeouts 23 are punctured towards deformation in valve chamber 211 and by spine end 221, so that pot nside is logical Relief valve assembly 20 is crossed to be in communication with the outside.

By the way that relief valve assembly 20 is arranged at the gas vent 11 of pot cover 10, thus when relief valve 30 is in disabler, Steam in pot body can be discharged into the external world by the bleed passage of gas vent 11 and relief valve assembly 20, to make in pot body Pressure maintains in safe range, since relief valve assembly 20 is located at the upper surface of pot cover side, to the lower surface of pot cover 10 It is smooth, make pot cover 10 that integrally there is good aesthetic appearance, while also avoiding pacifying under the influence of steam of the sundries in pot body The problem of accumulating at the position of full valve component 20 and pot cover 10 is caused to be difficult to food in cleaning and pot body easy to pollute occurs.

Since relief valve assembly 20 includes that valve seat 21, spool 22 and elastic closeouts 23, spool 22 are arranged on valve seat 21 And stretched out into the valve chamber of valve seat 21 211, at least partly elastic setting of closeouts 23 is interior in valve chamber 211 and covers gas vent 11, And one end of the separate valve seat 21 of spool 22 forms spine end 221.In this way, elastic closeouts 23 are by gas vent 11 and valve chamber 211 It separates, and stress surface of the bottom surface of elastic closeouts 23 as the steam pressure born in pot body, when the pressure in pot body reaches When to deformation pressure predetermined value, elastic closeouts 23 start to be directly toward deformation in valve chamber 211, and when the pressure in pot body continues Increase and reaches when puncturing pressure predetermined value, 23 deformation of elastic closeouts to state contact with spool 22, at this point, elasticity closure Part 23 is punctured by spine end 221, and pot nside is in communication with the outside by relief valve assembly 20；It can be seen that the utility model Elastic closeouts 23 can not restore automatically after being punctured, and pot nside is in communication with the outside always, cooking apparatus internal pressure just without Method continues to increase, and the pressure for avoiding pot nside persistently increases the accident hair for causing cooking apparatus to burst and injuring user It is raw；In addition, if user wants to be continuing with cooking apparatus, needs to replace elastic closeouts 23, also avoid pacifying in this way Full valve component 20 occurs using failure, so that relief valve assembly 20 is in reliably working condition always, improves cooking apparatus Safety in utilization.

It should be noted that in this application, deformation pressure predetermined value when elastic closeouts 23 start deformation is usually small Pressure predetermined value is punctured when elastic closeouts 23 are contacted with spool 22.

As shown in Fig. 2, Fig. 4 and Fig. 5, relief valve assembly 20 further includes elastic supporting member for supporting optical member 24, and the setting of elastic supporting member for supporting optical member 24 exists In valve chamber 211 and it is supported between the chamber roof 212 of valve chamber 211 and elastic closeouts 23.Elastic supporting member for supporting optical member 24 can be elasticity envelope Blocking piece 23 provides elastic preload pressure, that is to say, that in the present embodiment, when the elastic closeouts 23 of cooking apparatus start deformation Deformation pressure predetermined value be initial hardness deformation force value and elastic supporting member for supporting optical member 24 possessed by elastic 23 self attributes of closeouts The sum of initial elastic preload pressure value acted in elastic closeouts 23 (weight of elastic supporting member for supporting optical member 24 is had ignored herein, It is also required to the gravity that consideration elastic supporting member for supporting optical member 24 is subject to when the weight of elastic supporting member for supporting optical member 24 is larger and acts on elastic supporting member for supporting optical member Pressure value on 24), the deformation power generated when the pressure of pot nside overcomes the rigidity of above-mentioned elastic supporting member for supporting optical member 24 And elastic supporting member for supporting optical member 24 elastic pre-stress when, elastic closeouts 23 start deformation.

Optionally, the range of deformation pressure predetermined value relative pressure be 70kpa between 150kpa.

As shown in Figures 4 to 7, as a kind of preferred embodiment of the application, spool 22 is arranged on chamber roof 212, valve Core 22 is in the form of a column, and elastic supporting member for supporting optical member 24 is the spring being set on spool 22.In this way, the spine end 221 for being conducive to spool 22 is pierced Broken elasticity closeouts 23 are the spring being set on spool 22 to make cooking apparatus steadily pressure release, elastic supporting member for supporting optical member 24, just In being replaced as standard component to elastic supporting member for supporting optical member 24, the overall cost of cooking apparatus is advantageously reduced.

Fig. 6 and Fig. 7 respectively illustrates band, and there are two types of the structural schematic diagrams of the valve seat 21 of the spool 22 of different structure, in Fig. 6 In Fig. 7, spool 22 is in the form of a column, and the spool 22 being in the form of a column is convenient for the processing and manufacturing of relief valve assembly 20, the difference of Fig. 6 and Fig. 7 It is, in figure 6, air bleed slot 222 is offered on the periphery wall for the spool 22 being in the form of a column.Air bleed slot 222 is provided with conducive to pot Internal steam is rapidly discharged in elastic closeouts 23 at position that spine end 221 punctures, to realize pot nside Quick pressure releasing.

As shown in fig. 6, the extending direction of air bleed slot 222 is parallel to the axis of spool 22.It is not only convenient in this way in spool 22 On open up air bleed slot 222, and by air bleed slot 222 open up the steam stream that direction is easier to plan in pot body take the dish out of the pot it is internal The pressure release effect of relief valve assembly 20 is improved in path.

Optionally, elastic closeouts 23 are the laminated structure made of silica gel or rubber.Made of silica gel or rubber Elastic closeouts 23 it is of low cost, the entirety that the elastic closeouts 23 as vulnerable part can be effectively reduced cooking apparatus makes With cost, in addition, being more easily satisfied in food security standard using elastic closeouts 23 made of silica gel material, this is because silicon Glue material matter not will produce poisonous and harmful substance in high temperature and high pressure environment, so as to avoid the pollution to food in pot body.

Fig. 4 and Fig. 5 respectively illustrates the relief valve assembly of two different assembly methods between spool 22 and valve seat 21 20 sectional view, in Fig. 4, spool 22 are structure as a whole with valve seat 21, and such set-up mode is convenient for spool 22 and valve seat 21 carry out being integrally machined casting or mould molding, are conducive to the batch production to relief valve assembly 20, in Figure 5, spool 22 can Releasably it is arranged on valve seat 21, such set-up mode, is replaced convenient for the spool 22 to abrasion, avoid the point of spool 22 Barbed end 221 can not effectively puncture elastic closeouts 23.

As shown in Figure 4 and Figure 5, elastic closeouts 23 include that ring-shaped edge section 231 connected in sequence, ring-type are convex from outside to inside Playing section 232 and middle plane supporting section 233, wherein ring-shaped edge section 231 is clamped to be arranged between valve seat 21 and pot cover 10, Annular projection section 232 protrudes setting towards the side of valve chamber 211.In this way, it is more advantageous to the deformation of elastic closeouts 23, elasticity envelope In the deformation process of blocking piece 23, annular projection section 232 plays cushioning effect, enables middle plane supporting section 233 with plane Form integrally stretched out into valve chamber 211.

In the diagram embodiment of the application, elastic closeouts 23 are supported on the chamber roof 212 and middle plane of valve chamber 211 Between supporting section 233, the stability of strutting system that elastic closeouts 23 are located in valve chamber 211 can be effectively improved in this way.

As shown in Figure 6 and Figure 7, multiple air vents 213, multiple air vents 213 are offered on the chamber roof 212 of valve chamber 211 It is circumferentially positioned at the outside of spool 22 and is spaced and be arranged to form bleed passage.This way it is ensured that elastic closeouts 23 are by spool After 22 spine end 221 punctures, the steam in pot body successfully, readily through multiple air vents 213 is discharged into the external world.

As shown in Fig. 2, Fig. 4 and Fig. 5, in order to improve the connective stability between relief valve assembly 20 and pot cover 10, valve seat 21 include valve body 214 and the mounting lug 215 being connect with valve body 214, and valve body 214 surrounds valve chamber 211, and relief valve assembly 20 also wraps Fastener 25 is included, fastener 25 is threaded through at mounting lug 215 to be fastenedly connected valve seat 21 and pot cover 10.

It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.

Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments Up to the unlimited the scope of the utility model processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, attached shown in the drawings each The size of a part is not to be drawn according to actual proportionate relationship.For skill known to person of ordinary skill in the relevant Art, method and apparatus may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as awarding Weigh part of specification.In shown here and discussion all examples, any occurrence should be construed as merely example Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：It is similar Label and letter similar terms are indicated in following attached drawing, therefore, once be defined in a certain Xiang Yi attached drawing, then with It need not be further discussed in attached drawing afterwards.

In the description of the present invention, it should be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally, Vertically, vertically, it is horizontal " and " pushing up, bottom " etc. indicated by orientation or positional relationship be normally based on orientation or position shown in the drawings Relationship is set, is merely for convenience of describing the present invention and simplifying the description, in the absence of explanation to the contrary, these nouns of locality Do not indicate that and imply that signified device or element must have a particular orientation or with specific azimuth configuration and operation, because This should not be understood as the limitation to scope of protection of the utility model；The noun of locality " inside and outside " refers to the wheel relative to each component itself Wide is inside and outside.

For ease of description, herein can with use space relative terms, as " ... on ", " in ... top ", " ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure Except different direction in use or operation.For example, if the device in attached drawing is squeezed, it is described as " in other devices It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction " Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and " in ... lower section " two kinds of orientation.The device can also other different modes positioning (be rotated by 90 ° or be in other orientation), and And respective explanations are made to the opposite description in space used herein above.

Furthermore, it is necessary to which explanation, limits parts, it is only for be convenient for using the words such as " first ", " second " Corresponding parts are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this The limitation of utility model protection range.

It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, work, device, component and/or combination thereof.

It should be noted that term " first " in the description and claims of this application and above-mentioned attached drawing, " Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that using in this way Data can be interchanged in the appropriate case, so that presently filed embodiment described herein can be in addition to illustrating herein Or the sequence other than those of description is implemented.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (11)

1. a kind of cooking apparatus, which is characterized in that including：

Pot body, to hold cooked food；

Pot cover (10), pot cover (10) lid are located in the pot body, and gas vent (11) is offered on the pot cover (10)；

Relief valve assembly (20) is arranged in the upper surface of the pot cover (10), and at the gas vent (11), the safety Valve module (20) includes：

Valve seat (21), the valve seat (21) have the valve chamber (211) being connected to the gas vent (11), are set on the valve seat (21) It is equipped with the bleed passage for being connected to the valve chamber (211) and the external world；

Spool (22), the spool (22) is arranged on the valve seat (21) and is stretched out into the valve chamber (211), and the valve One end far from the valve seat (21) of core (22) forms spine end (221)；

Elastic closeouts (23), at least partly described elastic closeouts (23) are arranged described in and covering interior in the valve chamber (211) Gas vent (11) is to separate the gas vent (11) and the valve chamber (211), when the pressure in the pot body is more than or waits In puncturing pressure predetermined value, the elasticity closeouts (23) are towards deformation in the valve chamber (211) and by the spine end (221) It punctures, so that the pot nside is in communication with the outside by the relief valve assembly (20).

2. cooking apparatus according to claim 1, which is characterized in that the spool (22) is in the form of a column, and what is be in the form of a column is described Air bleed slot (222) is offered on the periphery wall of spool (22).

3. cooking apparatus according to claim 2, which is characterized in that the extending direction of the air bleed slot (222) is parallel to The axis of the spool (22).

4. cooking apparatus according to claim 1, which is characterized in that the elasticity closeouts (23) are by silica gel or rubber Manufactured laminated structure.

5. cooking apparatus according to claim 1, which is characterized in that the elasticity closeouts (23) include suitable from outside to inside Ring-shaped edge section (231), annular projection section (232) and the middle plane supporting section (233) of secondary connection, wherein the ring-type side Rim segment (231) is clamped to be arranged between the valve seat (21) and the pot cover (10), and the annular projection section (232) is towards institute State the side protrusion setting of valve chamber (211).

6. cooking apparatus according to claim 1, which is characterized in that the relief valve assembly (20) further includes resilient support Part (24), elastic supporting member for supporting optical member (24) setting is interior in the valve chamber (211) and is supported on the chamber roof of the valve chamber (211) (212) between the elastic closeouts (23).

7. cooking apparatus according to claim 6, which is characterized in that the spool (22) is arranged in the chamber roof (212) on, the spool (22) is in the form of a column, and the elastic supporting member for supporting optical member (24) is the spring being set on the spool (22).

8. cooking apparatus according to claim 1, which is characterized in that the spool (22) is removably disposed in the valve On seat (21) or the spool (22) is structure as a whole with the valve seat (21).

9. cooking apparatus according to claim 1, which is characterized in that opened up on the chamber roof (212) of the valve chamber (211) Have multiple air vents (213), multiple air vents (213) be circumferentially positioned at the outside of the spool (22) and be spaced setting with Form the bleed passage.

10. cooking apparatus according to claim 1, which is characterized in that the valve seat (21) include valve body (214) and with institute The mounting lug (215) of valve body (214) connection is stated, the valve body (214) surrounds the valve chamber (211), the relief valve assembly (20) further include fastener (25), the fastener (25), which is threaded through the mounting lug (215), sentences and be fastenedly connected the valve Seat (21) and the pot cover (10).

11. cooking apparatus according to claim 1, which is characterized in that the cooking apparatus is electric pressure cooking saucepan or electric cooker.