CN206507781U - Steam valve and the electric cooker containing the steam valve - Google Patents

Abstract

The utility model belongs to household appliance technical field, disclose a kind of steam valve and the electric cooker containing the steam valve, there is valve pocket (10) in the steam valve, brokenly bubble structure is provided with the valve pocket (10), the brokenly bubble structure include by the steam valve bottom wall (101) and be installed on brokenly bubble chamber (11) and be arranged at the interior brokenly bubble part (14) that can be moved back and forth of the brokenly bubble chamber (11) that the lid (103) of the bottom wall (101) limited, the brokenly bubble chamber (11) has air intake (111) and venthole (112), lid (103) snap-fitted is in the bottom wall (101) of the steam valve.The steam valve can effectively lift de-soak effect, it is ensured that rice mouthfeel, and simple in construction, easy care, easy cleaning, convenient disassembly.

Description

Steam valve and the electric cooker containing the steam valve

Technical field

The utility model belongs to household appliance technical field, in particular it relates to assembled on a kind of electric cooker and the electric cooker Steam valve.

Background technology

Electric cooker is the household electrical appliance using electric heating cooking food, a variety of cooking operations such as can be steamed, boiled, stewed, boiled in a covered pot over a slow fire. With the lifting of people's quality of the life, the performance to electric cooker proposes higher requirement, and business men competition is more fierce, and this is never The common people go to Japan quick-fried to buy visible general in the news such as electric cooker before long.The lifting of this demand to electric cooker and change major embodiment Not requiring nothing more than, quality is really up to the mark, and the rice mouthfeel made will get well, to meet public demand.

In the production design process of electric cooker, generally internal pot, the design of coating and heating uniformity, computer heating control In terms of mainly improved, but the design of steam valve is also a critically important ring.In common electric pot, its steam valve is main Exhaust and de-soak during for cooking, but many steam valve de-soak effects are not obvious, and do not allow it is easy to assemble and Cleaning, user is to the use good opinion of product for influence, also largely have impact on the final mouthfeel of rice.In addition, the steaming also having The design structure of steam valve is complicated exquisite, but cost is high, maintainable poor.

Utility model content

The purpose of this utility model is, for above-mentioned not enough or defect of the prior art, to propose a kind of steam valve, and Electric cooker containing the steam valve, can effectively lift de-soak effect, it is ensured that rice mouthfeel, and simple in construction, easy care, Yi Qing Wash, convenient disassembly.

To achieve these goals, the utility model, which is provided, has valve pocket, the valve pocket in a kind of steam valve, the steam valve Brokenly bubble structure is inside provided with, the brokenly bubble structure includes what is limited by the bottom wall of the steam valve with the lid for being installed on the bottom wall Brokenly bubble chamber and the brokenly bubble intracavitary and the brokenly bubble part that can be moved back and forth are arranged at, the brokenly bubble chamber has air intake and goes out vapour Mouthful, the lid snap-fitted is in the bottom wall of the steam valve.

Further, the brokenly bubble cavity dumping is extended and the air intake is less than the venthole；And/or

The brokenly bubble part is to include the rolling member of spheroid or cylinder.

Further, the bottom wall of the steam valve is provided with a pair of sidewalls extended at each interval towards the valve pocket, The lid snap-fitted is on the side wall, and the bottom wall, a pair of sidewalls and the lid limit to form the brokenly bubble chamber.

Further, the lid includes cover plate and a pair of the bottom wall extension of the direction that is spaced from the cover plate convex Ear, the inner side of this pair of lug passes through the outside cooperation snapped into one another of buckle structure and the pair of side wall.

Further, the buckle structure includes：

Jut, the jut formation in the medial surface of the pair of lug and the lateral surface of the pair of side wall one On person；With

Depressed part, depressed part formation is another in the medial surface of the pair of lug and the lateral surface of the pair of side wall In one, and it is clasped with the jut.

Further, the jut is formed as bars；And/or

The depressed part is formed as through hole.

Further, the jut is formed with the stop surface for preventing that the jut from departing from from the depressed part.

Further, it is formed with and is spaced for a pair and vertically at least one lateral surface of the pair of side wall The guiding rib of extension, this pair of guiding rib is located at the both sides of a lug lug corresponding with the side wall timing and is institute State lug and sliding channel is provided.

Further, the both sides of the lug lower surface are angular turns into chamfering.

Further, in the brokenly bubble intracavitary, the bottom wall and/or lid guide the brokenly bubble part edge by guiding mechanism The rolling of the brokenly bubble chamber.

Further, the guiding mechanism includes guiding flange and the guiding groove coordinated with the guiding flange gap, wherein：

Guiding flange formation on the outer peripheral face of the rolling member, the guiding groove formation in the lid and/or On the bottom wall；Or

Guiding groove formation on the outer peripheral face of the rolling member, the guiding flange formation in the lid and/or On the bottom wall.

Further, it is formed with the bottom wall or the lid outside the brokenly bubble chamber and closes on the venthole Spacing block reinforcement.

Further, the steam valve includes bonnet and valve seat, and the steam (vapor) outlet is arranged on the bonnet, described to steam Vapour entrance is arranged on the valve seat, and the bottom wall formation is on the valve seat, and the valve bonnet seal is covered on the bottom wall, To form the valve pocket therebetween.

The utility model additionally provides a kind of electric cooker, and the pot lid of the electric cooker is provided with the steam described in any of the above Valve.

By above-mentioned technical proposal, in the assembling design of steam valve and brokenly bubble structure, using the removable of lid and bottom wall Installation is unloaded, is simple to manufacture, easy disassembly, while being easy to cleaning brokenly bubble chamber and brokenly bubble part, improves maintainability, also improves steaming The quality and reliability of steam valve.

Other features and advantages of the utility model will be described in detail in subsequent embodiment part.

Brief description of the drawings

Accompanying drawing is to be further understood for providing to of the present utility model, and constitutes a part for specification, and following Embodiment be used to explain the utility model together, but do not constitute to limitation of the present utility model.In the accompanying drawings：

Fig. 1 is a kind of top view of preferred embodiment of the utility model steam valve；

Fig. 2 is Fig. 1 E-E sectional views；

Fig. 3 is Fig. 1 A-A sectional views；

Fig. 4 is Fig. 3 B-B sectional views；

Fig. 5 is the enlarged drawing of C portion in Fig. 4；

Fig. 6 is Fig. 1 stereogram, but omits bonnet；

Fig. 7 is the stereogram of the another embodiment of the utility model steam valve, but omits bonnet；

Fig. 8 is the stereogram of another embodiment of the utility model steam valve, but omits bonnet；

Description of reference numerals

The brokenly bubble chamber of 10 valve pocket 11

The steam (vapor) outlet of 12 steam inlet 13

The jut of 14 brokenly bubble part 15

The guiding mechanism of 16 depressed part 17

The spacing block reinforcement of 18 guiding rib 19

The valve seat of 20 bonnet 21

22 chamferings

The side wall of 101 bottom wall 102

The air intake of 103 lid 111

The stop surface of 112 venthole 151

The guiding flange of 171 guiding groove 172

The lug of 1031 cover plate 1032

Embodiment

Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.

It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can To be mutually combined.

Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

In the utility model, in the case where not making opposite explanation, the noun of locality used is as " upper and lower, top, bottom, erected Directly " for the direction typically when steam valve is installed on electric cooker." inside and outside " refers to the profile relative to each part in itself It is inside and outside.

The utility model provides a kind of steam valve, as shown in figs. 1-7, and being formed in the steam valve has the He of steam inlet 12 The brokenly bubble structure of connection steam inlet 12 and steam (vapor) outlet 13, the brokenly bubble are provided with the valve pocket 10 of steam (vapor) outlet 13, valve pocket 10 Structure includes the brokenly bubble chamber 11 limited by the bottom wall 101 of steam valve with the lid 103 for being installed on the bottom wall 101 and is arranged at In the brokenly bubble chamber 11 and the brokenly bubble part 14 that can move back and forth, brokenly bubble chamber 11 has the air intake 111 connected with steam inlet 12 The venthole 112 connected with steam (vapor) outlet 13, the snap-fitted of lid 103 is in the bottom wall 101 of steam valve.Wherein, brokenly bubble chamber 11 Air intake can directly as valve pocket 10 steam inlet, the venthole of brokenly bubble chamber 11 can also go out directly as the steam of valve pocket 10 Mouthful.

Steam valve is used to controllably allow the discharge of steam, to keep predetermined pressure.Generally, steam valve is arranged on energy On the heater for enough producing steam, such as the various electrical equipment for kitchen environment, such as electric cooker.

After the steam valve is arranged in the pot lid of electric cooker, when being cooked using the electric cooker, positioned at the electricity Substantial amounts of thin rice gruel has in the presence of heating and enters steam inlet 12 with frothy steam in rice cooker.When steam steam bubble is (logical Often it is the mixture of steam and steam bubble) when entering the steam inlet 12 of steam valve, pass through air intake 111 immediately and enter brokenly bubble knot Structure, under the destruction of the brokenly bubble part 14 in the brokenly bubble structure, breaks the foam in steam, and allows steam along brokenly bubble chamber 11 Outside is discharged to by venthole 112 and steam (vapor) outlet 13, so as to realize steam valve preferably effect of breaking bubble.

Specifically, after steam enters brokenly bubble chamber 11, brokenly bubble part 14 is moved under the thrust of foam and reached brokenly The a certain position of chamber 11 is steeped, the gap that then big foam exists through the perisporium of brokenly bubble part 14 and brokenly bubble chamber 11 is (between being somebody's turn to do Gap very little, it is to be appreciated that the perisporium gap of brokenly bubble part 14 and brokenly bubble chamber 11 coordinates), while again due to by brokenly bubble part 14 Force of rolling friction, macrofoam is abolished, on the other hand, and small foam can reach valve pocket 10 from above-mentioned gap through venthole 112, Because the pressure in the pressure ratio valve pocket 10 in brokenly bubble chamber 11 is big, pressure differential can be abolished small foam, therefore reached double The effect of weight brokenly bubble.

Moved back and forth to be more conducive to brokenly bubble part 14 between air intake 111 and venthole 112, as shown in figure 3, brokenly bubble chamber 11, which tilt extended and air intake 111, is less than venthole 112.It should be appreciated that air intake 111 is less than venthole herein 112 are stated with the steam valve under use state.It is extended because brokenly bubble chamber 11 is tilted, also improves rice The reflowing result of soup.The setting causes brokenly bubble chamber 11 to be formed as inclined passage, thrust of the brokenly bubble part 14 in steam steam bubble Under moved from the direction of air intake 111 to venthole 112, while brokenly bubble part 14 can be made in the presence of the self gravitation of brokenly bubble part 14 Moved along inclined brokenly bubble chamber 11 towards air intake 111, in this process, brokenly bubble part 14 is in the thrust of steam steam bubble and itself weight The collective effect of power causes brokenly bubble part 14 to be moved in brokenly bubble chamber 11, for example, slide, roll or swing, so as to realize to steam vapour The extruding of bubble and hit to eliminate steam bubble.For from the point of view of taking into account easily manufactured and mobile effect, brokenly bubble part 14 is preferred It is to include the rolling member of spheroid or cylinder.

According to the utility model, brokenly bubble part 14 could be arranged to diversified forms.For example brokenly bubble part 14 can have roller knot Structure, it can be rolled along the bearing of trend of brokenly bubble chamber 11；Also such as brokenly bubble part 14 is the piston structure coordinated with brokenly bubble chamber 11, It can be slided in brokenly bubble chamber 11.

In the embodiment shown in fig. 3, brokenly bubble part 14 is to include the rolling member of spheroid or cylinder.The rolling member energy Enough bearing of trends along brokenly bubble chamber 11 are rolled.The rolling member adds the contact area of brokenly bubble part 14 and steam steam bubble, so that It is more conducive to break up steam bubble therein.Preferably, rolling member can be solid or hollow to form roller.In addition, Rolling member can be that stainless steel, aluminium, titanium alloy are either stainless iron or for ceramic body.In order to reduce noise, further, Elasticity layer or resilient sleeve, such as silica gel are wrapped up on the outer peripheral face of rolling member.Or, rolling member can be formed directly as plastics Body, this homogenous material is simple in construction, and rolling member rolling is also convenient for while noise reduction.

According to the utility model, brokenly bubble chamber 11 can be formed for integrally closed, or mode shape as shown in Figure 6 Into.As shown in fig. 6, the bottom wall 101 of steam valve is provided with a pair of sidewalls 102 extended at each interval towards valve pocket 10, lid 103 snap-fitteds are on side wall 102, and bottom wall 101, a pair of sidewalls 102 and lid 103 limit and form brokenly bubble chamber 11.Lid 103 can Releasably covered with a pair of sidewalls 102, in order to the installation and replacing to the brokenly bubble part 14 in brokenly bubble chamber 11.

The bottom wall 101 of steam valve constitutes the bottom wall of brokenly bubble chamber 11, and a pair are provided with the bottom wall towards top (Fig. 6 institutes The orientation shown) extension interval side wall 102, to form the side wall of brokenly bubble chamber 11.Lid 103 is installed on the wall of side, so that Form the roof of brokenly bubble chamber 11.Certainly, the application is not limited to this, for example, the brokenly bubble chamber after assembling can be installed into valve pocket Precalculated position in 10.

Preferably, in brokenly bubble chamber 11, bottom wall 101 and/or lid 103 guide brokenly bubble part 14 along broken by guiding mechanism 17 Bubble chamber 11 is rolled.

Specifically, as shown in fig. 6, guiding mechanism 17 preferably comprise guiding flange 172 and with the gap of guiding flange 172 The guiding groove 171 of cooperation, wherein：Guiding flange 172 is formed on the outer peripheral face of rolling member, and guiding groove 171 is formed in lid 103 And/or on bottom wall 101；Or guiding groove 171 is formed on the outer peripheral face of rolling member, guiding flange 172 is formed in lid 103 And/or on bottom wall 101.Guiding groove 171 is used to carry out guiding flange 172 spacing and provides motion rail simultaneously for brokenly bubble part 14 Road, prevents brokenly bubble part sideslip in motion process, improves the uniformity of brokenly bubble.

The utility model is preferably formed guiding flange 172 on the outer peripheral face of rolling member, and guiding groove 171 is formed in lid 103 and bottom wall 101 on, guiding flange 172 insertion guiding groove 171 in, rolling member is up and down reciprocatingly rolled along guiding groove 171.Should Rolling member roll brokenly bubble detailed process be：The steam of interior pot and big another typical material enter valve pocket 10 from steam inlet 12, when interior pot When steam pressure is larger, top of the rolling member along guiding groove 171 to brokenly bubble chamber 11 can be promoted to roll so that steam and big another typical material Enter brokenly bubble chamber 11 through air intake 111, meanwhile, rolling member under gravity again can entering along guiding groove 171 to brokenly bubble chamber 11 Rolled at steam ports, in this way, rolling member constantly crushed foam, the direct edge of ponding formed during up and down reciprocatingly rolling Bottom wall 101 flows back.

Preferably, there is gap between the bottom wall 101 of rolling member and brokenly bubble chamber 11；And/or rolling member and lid 103 is interior There is gap between surface；And/or there is gap between rolling member and the inner surface of a pair of sidewalls 102.These gaps are on the one hand The frictional force between the inwall of brokenly bubble part 14 and brokenly bubble chamber 11 can be reduced, so as to improve the service life of brokenly bubble part 14；The opposing party Face can also further allow passing through for steam steam bubble, and steam steam bubble can be further extruded in the gap location, so as to improve Brokenly bubble efficiency.

According to the utility model, fallen for the ease of the solid particle in the thin rice gruel that is overflowed into by steam inlet 12 by self gravitation Enter in electric cooker, steam inlet 12 is set down.The setting causes the direction of motion of the steam inlet 12 just to steam steam bubble, therefore Steam steam bubble can be directly entered the steam inlet 12 during rising, and this just make it that the entrance of steam steam bubble is more unobstructed, So as to improve the air inlet performance of steam valve.Meanwhile, the setting is also further beneficial to the backflow of liquid.

In addition, being also formed with being located at the outside of brokenly bubble chamber 11 on bottom wall 101 or lid 103 and closing on the spacing of venthole 112 Block reinforcement 19, to stop that rolling member skids off brokenly bubble chamber 11, wherein, the concrete form of spacing block reinforcement 19 can be from bottom wall 101 to valve pocket 10 laminated structures extended.The spacing block reinforcement 19 is used to stop brokenly bubble part 14 to prevent brokenly bubble part 14 from removing in motion process Brokenly bubble chamber 11.Certainly, the spacing block reinforcement 19 is preferably arranged to not influence the backflow of liquid.

The setting to brokenly bubble chamber 11 is described in detail below.

Referring to Fig. 6, as described above, the snap-fitted of lid 103 is in a pair of sidewalls 102.This is clasped can be by a variety of Mode is realized.

Preferably, as illustrated, lid 103 include cover plate 1031 and from the cover plate 1031 be spaced towards bottom wall A pair of lugs 1032 of 101 extensions, the inner side of this pair of lug 1032 is blocked each other by buckle structure and the outside of a pair of sidewalls 102 Snap fit is closed.Above-mentioned a pair of lugs 1032 can also be extended along above and below the vertical direction of cover plate 1031 (referring to Fig. 8).

Therefore, when seated, lid 103 can be pressed down on side wall 102, so that the one of the both sides of lid 103 It is located at the outside of a pair of sidewalls 102 to lug 1032, and the inner side of lug 1032 is passed through card with the outside of corresponding side wall 102 Buckle structure is clasped, without by means of external tool, therefore installs relatively simple.

The buckle structure can also have multiple structural forms.For example, as Figure 6-Figure 8, buckle structure includes mutual The jut 15 and depressed part 16 being clasped, wherein, jut 15 forms the medial surface and an offside in a pair of lugs 1032 On one of lateral surface of wall 102；Depressed part formation is in the medial surface of a pair of lugs 1032 and the lateral surface of a pair of sidewalls 102 The other of on.Jut 15 can be installed only with depressed part 16 in side, and preferably both sides are installed.

Install and operate for convenience, jut 15 is bars and formed on the medial surface of a pair of lugs 1032, recessed Fall into portion 16 to be preferably formed into through hole and formed on the lateral surface of a pair of sidewalls 102, the through hole runs through side wall 102.Certainly, it is recessed Portion 16 may be alternatively formed to groove.

In addition, jut 15 is also formed with preventing the stop surface 151 (as shown in Figure 5) that it departs from from depressed part 16, should be only Block face 151 is plane or the cam for being formed with chamfering.When being formed with chamfering on stop surface 151, can on depressed part 16 also shape Into there is chamfering, the chamfering upper end of such stop surface 151 interlocks with the chamfering lower end of depressed part 16, easily fastened during dismounting.

In addition, being spaced as a further improvement, being formed with a pair at least one lateral surface of a pair of sidewalls 102 And outstanding guiding rib 18, this pair of guiding rib 18 positioned at lug 1032 assembled with side wall 102 when a corresponding lug 1032 both sides simultaneously provide sliding channel for the lug 1032, and guiding rib 18 vertically extends.When installing lid 103, Guiding rib 18 can play the guiding role to slipping into for lug 1032, lid 103 is easily fastened on side wall 102, while guiding rib 18 limited locations are acted on, and can be limited lug 1032 and be moved on the length direction of side wall 102.In addition, the two of the lower surface of lug 1032 Corner is formed as chamfering 22, when lug 1032 and side wall 102 are assembled, the chamfering 22 of the lower end of lug 1032 against guiding rib 18 just In guiding, lid 103 can be more easily installed.

Preferably, steam valve of the present utility model includes bonnet 20 and valve seat 21, steam (vapor) outlet 13 is arranged on bonnet 20 On, steam inlet 12 is arranged on valve seat 21, and bottom wall 101 is formed on valve seat 21, and the sealing of bonnet 20 is covered on valve seat 21, with The valve pocket 10 is formed therebetween.

The utility model additionally provides a kind of electric cooker for being provided with above-mentioned steam valve, the electric cooker can effective brokenly bubble, protect Demonstrate,prove rice mouthfeel, and easy to maintain and cleaning.

Preferred embodiment of the present utility model is described in detail above in association with accompanying drawing, still, the utility model is not limited Detail in above-mentioned embodiment, can be to skill of the present utility model in range of the technology design of the present utility model Art scheme carries out a variety of simple variants, and these simple variants belong to protection domain of the present utility model.

It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance In the case of shield, it can be combined by any suitable means, in order to avoid unnecessary repetition, the utility model is to each Possible combination is planted no longer separately to illustrate.

In addition, can also be combined between a variety of embodiments of the present utility model, as long as it is not disobeyed Thought of the present utility model is carried on the back, it should equally be considered as content disclosed in the utility model.

Claims (13)

1. steam valve, it is characterised in that have in the steam valve in valve pocket (10), the valve pocket (10) and be provided with brokenly bubble structure, The brokenly bubble structure is included by the bottom wall (101) of the steam valve and breaking of being installed on that the lid (103) of the bottom wall (101) limited Bubble chamber (11) and be arranged at the brokenly bubble part (14) that can be moved back and forth in the brokenly bubble chamber (11), the brokenly bubble chamber (11) have into Steam ports (111) and venthole (112), lid (103) snap-fitted is in the bottom wall (101) of the steam valve.

2. steam valve according to claim 1, it is characterised in that the brokenly bubble chamber (11), which tilts, to be extended and described Air intake (111) is less than the venthole (112)；And/or

The brokenly bubble part (14) is to include the rolling member of spheroid or cylinder.

3. steam valve according to claim 2, it is characterised in that the bottom wall (101) of the steam valve is provided with to each other The a pair of sidewalls (102) extended every ground towards the valve pocket (10), lid (103) snap-fitted is in the side wall (102) On, the bottom wall (101), a pair of sidewalls (102) and the lid (103) limit and form the brokenly bubble chamber (11).

4. steam valve according to claim 3, it is characterised in that the lid (103) include cover plate (1031) and from this A pair of lugs (1032) of the direction bottom wall (101) that cover plate (1031) is spaced extension, this pair of lug (1032) it is interior The outside cooperation snapped into one another that side passes through buckle structure and the pair of side wall (102).

5. steam valve according to claim 4, it is characterised in that the buckle structure includes：

Jut (15), medial surface and the pair of side wall of the jut (15) formation in the pair of lug (1032) (102) on one of lateral surface；With

Depressed part (16), medial surface and the pair of side wall of the depressed part (16) formation in the pair of lug (1032) (102) on the other of lateral surface, and it is clasped with the jut (15).

6. steam valve according to claim 5, it is characterised in that the jut (15) is formed as bars；And/or

The depressed part (16) is formed as through hole.

7. steam valve according to claim 5, it is characterised in that the jut (15), which is formed with, prevents the jut (15) stop surface (151) departed from from the depressed part (16).

8. the steam valve according to any one in claim 4-7, it is characterised in that the pair of side wall (102) is extremely The guiding rib (18) for being spaced and vertically extending for a pair, this pair of guiding rib (18) position are formed with a few lateral surface The both sides of a corresponding lug (1032) and for the lug when lug (1032) is assembled with the side wall (102) (1032) sliding channel is provided.

9. steam valve according to claim 4, it is characterised in that the both sides of lug (1032) lower surface are angular to be turned into Chamfering (22).

10. steam valve according to claim 2, it is characterised in that in the brokenly bubble chamber (11), the bottom wall (101) It is described to lead and/or lid (103) guides rolling of the brokenly bubble part (14) along the brokenly bubble chamber (11) by guiding mechanism (17) The guiding groove (171) for including guiding flange (172) to mechanism (17) and coordinating with guiding flange (172) gap, wherein：

The guiding flange (172) is formed on the outer peripheral face of the rolling member, and the guiding groove (171) is formed in the lid (103) and/or on the bottom wall (101)；Or

The guiding groove (171) is formed on the outer peripheral face of the rolling member, and the guiding flange (172) is formed in the lid (103) and/or on the bottom wall (101).

11. steam valve according to claim 1, it is characterised in that shape on the bottom wall (101) or the lid (103) Into the spacing block reinforcement (19) for having positioned at the brokenly bubble chamber (11) outside and closing on the venthole (112).

12. steam valve according to claim 1, it is characterised in that the steam valve includes bonnet (20) and valve seat (21), The steam (vapor) outlet (13) is arranged on the bonnet (20), and the steam inlet (12) is arranged on the valve seat (21), institute Bottom wall (101) formation is stated on the valve seat (21), bonnet (20) sealing is covered on the valve seat (21), with both Between form the valve pocket (10).

13. a kind of electric cooker, it is characterised in that the pot lid of the electric cooker is provided with according to any one in claim 1-12 Described steam valve.