CN206239191U - Steam valve and electric cooker - Google Patents

Abstract

The utility model belongs to household appliance technical field, discloses a kind of steam valve and the electric cooker using the steam valve.The steam valve has valve seat and the bonnet being connected with valve seat, valve seat and bonnet connect to form valve pocket (10), valve pocket (10) is with steam (vapor) outlet (13) and steam inlet (111), steam inlet (111) is multiple, and multiple steam inlets (111) connect with steam (vapor) outlet (13).Steam valve of the present utility model possesses preferably exhaust performance brokenly bubble performance, greatly increases the performance of electric cooker.

Description

Steam valve and electric cooker

Technical field

The utility model belongs to household appliance technical field, in particular it relates to a kind of steam valve and the electric meal using the steam valve Pot.

Background technology

With the lifting of people's quality of the life, the performance to household electrical appliance such as electric cookers proposes requirement higher, business men Competition it is more fierce, this from the common people not long ago go to Japan it is quick-fried buy the news such as electric cooker in it is visible typically.This demand to electric cooker Lifting and change be mainly reflected in and do not require nothing more than that 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 Etc. aspect mainly improved, but the design of steam valve is also a critically important ring.In electric cooker, its steam valve is mainly used in Exhaust and de-soak during cooking.But steam valve generally existing exhaust performance in existing electric cooker is poor, de-soak effect The defect such as unobvious, these defects have impact on use likability of the user to product to varying degrees.In addition, in existing steaming In steam valve, the structure design of the steam valve also having is more exquisite, but its cost of manufacture is high, maintainable difference, is also not easy to cleaning.

Utility model content

For above-mentioned not enough or defect of the prior art, the utility model proposes a kind of steam valve, and with the steaming The electric cooker of steam valve, to be effectively improved the exhaust performance of steam valve, so as to improve the de-soak effect of steam valve, and then improves electric meal The performance of pot.

To achieve the above object, the utility model provide a kind of steam valve, the steam valve have valve seat and with the valve The bonnet of seat connection, the valve seat and the bonnet connect to form valve pocket, and the valve pocket has steam (vapor) outlet and steam inlet, institute It is multiple to state steam inlet, and multiple steam inlets connect with the steam (vapor) outlet.

Preferably, multiple steam inlets are formed on the bottom wall of the valve pocket.

Preferably, brokenly bubble structure is provided with valve pocket, the brokenly bubble structure includes brokenly bubble chamber and sets with being reciprocally moveable Brokenly bubble part in the brokenly bubble chamber, the brokenly bubble chamber has air intake and venthole, and multiple steam inlets are the brokenly bubble The air intake in chamber, the venthole in the brokenly bubble chamber connects the steam (vapor) outlet.

Preferably, steam inlet is strip opening.

Preferably, the width of steam inlet is 1-5mm.

Preferably, the height of at least one steam inlet enters with other steam in the horizontal plane for multiple steam inlets The height of mouth is different.

Preferably, steam inlet be three, and centre steam inlet less than both sides steam inlet.

Preferably, the bottom of steam inlet is formed with corner part, and the corner part includes bottom surface and side, and the steam enters Mouth extends to the side from the bottom surface.

Preferably, length of the steam inlet on the bottom surface is 1-5mm.

Preferably, between total flow area of steam inlet is not less than between the inwall in the brokenly bubble chamber and the brokenly bubble part The flow area of gap.

Preferably, brokenly bubble cavity dumping is extended and the steam inlet is less than the venthole；And/or the brokenly bubble Part is the rolling member for including spheroid or cylinder.

Preferably, the bottom wall of steam valve be provided with each interval towards the valve pocket extend a pair of sidewalls, this one Lid is installed, the bottom wall, a pair of sidewalls and the lid limit to form the brokenly bubble chamber on offside wall.

Preferably, in the brokenly bubble chamber, the bottom wall and/or lid guide the brokenly bubble part along institute by guiding mechanism The rolling in brokenly bubble chamber is stated,

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

The guiding flange is formed on the outer peripheral face of the rolling member, the guiding groove be formed in the lid and/or On the bottom wall；Or the guiding groove is formed on the outer peripheral face of the rolling member, the guiding flange is formed in the lid On body and/or the bottom wall.

Preferably, air intake includes two steam inlets, and two steam inlets are located at the guide frame of bottom wall respectively Both sides.

Preferably, air intake includes the 3rd steam inlet, and the 3rd steam inlet is located at and the guide mechanism On corresponding position.

Preferably, the locating part of the venthole, the limit are formed with positioned at brokenly bubble chamber outside and closed on bottom wall Position part is used to prevent the brokenly bubble part from departing from the brokenly bubble chamber.

The utility model also proposed a kind of electric cooker, and the pot lid of the electric cooker is provided with above-mentioned steam valve.

According to steam valve of the present utility model, when outside steam steam bubble (the usually mixture of steam and steam bubble) enters During steam valve, because steam inlet is set to multiple, hence in so that steam valve to enter vapour more smoothly, by reasonably setting many Particular location, shape, size of individual steam inlet etc. enter steam discharge performance optimize its own, so that steam valve possesses more preferably Ground intake and exhaust performance, and then improve the performance of electric cooker.

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

Brief description of the drawings

The accompanying drawing for constituting a part of the present utility model is used for providing being further understood to of the present utility model, and this practicality is new The schematic description and description of type is used to explain the utility model, does not constitute to improper restriction of the present utility model. In accompanying drawing：

Fig. 1 is the top view of the structure according to steam valve of the present utility model, including bonnet；

Fig. 2 is the upward view of the structure of the steam valve shown in Fig. 1；

Fig. 3 is the stereogram of the structure according to steam valve of the present utility model；

Fig. 4 is the front view of the structure according to steam valve of the present utility model；

Fig. 5 is the sectional view intercepted along A-A directions shown in Fig. 1；

Fig. 6 is the sectional view intercepted along B-B directions shown in Fig. 5；

Fig. 7 is the sectional view intercepted along C-C directions shown in Fig. 5.

Description of reference numerals：

The brokenly bubble chamber of 10 valve pocket 11

The steam (vapor) outlet of 12 steam inlet 13

The lid of 14 brokenly bubble part 103

The air intake of bottom wall 111 of 101 steam valves

The side wall of 112 venthole 102

The guiding groove of 171 guiding flange 170

The bonnet of 5 locating part 19

113 corner parts.

Specific embodiment

Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein Described specific embodiment is merely to illustrate and explains 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 opposite explanation is not made, the noun of locality for using such as " upper and lower, top, bottom " is generally It is the upper and lower, left and right in the steam valve installment state；" inside and outside " refers to the inside and outside of the profile relative to each part in itself.

Fig. 1-5 shows the structural representation of the steam valve provided according to the utility model.As shown in figure 5, the steam valve The bonnet 19 being connected with valve seat and with valve seat, valve seat and the connection of bonnet 19 form valve pocket 10, and valve pocket 10 has steam (vapor) outlet 13 With multiple steam inlets 111, multiple steam inlets 111 connect with steam (vapor) outlet 13.

According to steam valve of the present utility model, when outside steam enters steam valve, due to steam inlet be set to it is many It is individual, hence in so that steam valve enters that vapour is more smoothly, by the particular location, shape, the chi that reasonably set multiple steam inlets It is very little etc. to enter steam discharge performance optimize its own, so that steam valve possesses preferably intake and exhaust performance, and then improve electric cooker Performance.

Preferably, multiple steam inlets 111 are formed on the bottom wall of valve pocket 10.Because the motion state of steam steam bubble is usual It is rising vertically, therefore to adapt to the characteristic, steam inlet 111 has been arranged on steam valve of the present utility model the bottom of valve pocket 10 Wall, the position just can be directly entered the steam during rising and enter to the direction of motion of steam steam bubble, therefore steam steam bubble Mouth 111, this just causes that the entrance of steam steam bubble is more smooth, so as to effectively improve the exhaust performance of steam valve.

It is further preferred that with reference to Fig. 2 to 5, brokenly bubble structure is provided with valve pocket 10, the brokenly bubble structure includes brokenly bubble chamber 11 And it is arranged at the brokenly bubble part 14 in the brokenly bubble chamber 11 with being reciprocally moveable, brokenly bubble chamber has air intake and venthole 112, multiple Steam inlet 111 is the air intake in brokenly bubble chamber 11, the connection steam (vapor) outlet 13 of venthole 112 in brokenly bubble chamber.

Entered in the presence of brokenly bubble part 14 of the steam steam bubble in brokenly bubble chamber 11 in brokenly bubble chamber 11 by steam inlet 111, its In steam bubble be breached, so as to realize steam valve preferably effect of breaking bubble.In addition, steam inlet 111 is located at the bottom wall of steam valve The backflow of liquid is also helped, so as to be further ensured that steam steam bubble is continued through in brokenly bubble chamber 11 patency, with further Improve the brokenly bubble performance of steam valve.

Steam valve of the present utility model is used to controllably allow the discharge of steam, to keep predetermined pressure.Generally, its On the heater that can produce steam, such as the various electrical equipment of kitchen environment, such as electric cooker.

After steam valve of the present utility model is arranged in the pot lid of electric cooker, when being cooked using the electric cooker, position In substantial amounts of thin rice gruel in the electric cooker in the presence of heating, have and enter steam inlet 111 with frothy steam.Work as steaming When vapour steam bubble (the usually mixture of steam and steam bubble) enters the steam inlet 111 of steam valve, immediately into brokenly bubble structure, Under the destruction of the brokenly bubble part 14 in the brokenly bubble structure, break the foam in steam, and allow steam to pass through along brokenly bubble chamber 11 Venthole 112 and steam (vapor) outlet 13 and be discharged to outside, 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 in chamber 11 is steeped, then big foam (should through the gap existed the perisporium 110 in brokenly bubble part 14 and brokenly bubble chamber 11 Gap very little, it is to be appreciated that brokenly bubble part 14 coordinates with the gap of perisporium 110 in brokenly bubble chamber 11), while again due to by brokenly bubble The force of rolling friction of part 14, macrofoam is abolished, and on the other hand, small foam can be reached from above-mentioned gap through venthole 112 Valve pocket 10, 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 be reached The effect of dual brokenly bubble is arrived.

In the technical scheme of the application, in order that steam enters steam valve, steaming is offered on the bottom wall 101 of steam valve Vapour entrance 111.The steam inlet 111 is multiple, to meet into vapour requirement.Steam valve of the present utility model is by steam inlet 111 The bottom wall 101 of steam valve, the i.e. bottom wall in brokenly bubble chamber have been arranged on, because the position is just to the direction of motion of steam steam bubble, therefore Steam steam bubble can be directly entered the steam inlet 111 during rising, and this just causes that the entrance of steam steam bubble is more smooth, So as to effectively improve the exhaust performance of steam valve.

Specifically, the set-up mode of steam inlet 111 can be diversified forms.

In being preferably carried out mode at one, as shown in figure 4, multiple steam inlets 111 are located at the bottom in brokenly bubble chamber 11 simultaneously Positioned at different height.It is worth noting that, the identical or different height is it should be appreciated that in the use state of steam valve Under, using the height that the minimum point of each steam inlet 111 is compared as benchmark.Set by by multiple steam inlets 111 Into the different height and position of the bottom positioned at brokenly bubble chamber 11, the different height and position can make the steam inlet 111 will not be simultaneously And sealing is formed completely, i.e. make to consistently form an opening at steam inlet 111, so that brokenly bubble chamber 11 is with steam valve all the time Connection, further to improve the patency that steam inlet 111 enters steam steam bubble, while also being returned beneficial to the liquid in brokenly bubble chamber 11 The patency of stream.

Certainly, multiple steam inlets 111 may be alternatively located at sustained height, as long as by its Height Adjustment to appropriate height position Put, can also ensure the patency of its patency for entering steam steam bubble and liquid backflow.

By setting the steam inlet 111 of Rational number, and reasonable layout multiple steam inlet 111, steam can be optimized and entered The patency of the backflow of the entrance and liquid of the vapor bubbles of mouth 111.Preferably, steam inlet 111 includes two, this two steamings Vapour entrance 111 is located at bottom wall 101 respectively and avoidance opens the position of guide mechanism 17.It is further preferred that as shown in figure 4, steam Entrance 111 includes the 3rd air intake, and the 3rd air intake is located between two steam inlets 111 and enters less than two steam Mouth 111.More selection of land, the 3rd steam inlet 111 is located at and the corresponding position of guide mechanism 17.

In addition, steam inlet 111 may be configured as strip.The steam inlet 111 of the strip contributes to destruction larger Steam bubble, as brokenly bubble structure provide the function of pre- brokenly bubble, so that for the brokenly bubble in follow-up brokenly bubble chamber 11 eases off the pressure.Certainly, originally In utility model signified strip can be the strip that is immediately seen in the different viewing angle of steam valve, or It is projected in the strip on a certain perspective plane.Steam inlet 111 can also be other shapes, such as circular, oval or Long Circle Deng.

Preferably, as shown in fig. 6, the width b of steam inlet 111 is 1-5mm.It is further preferred that steam inlet 111 Width is 2-4mm, it is highly preferred that the width of steam inlet 111 is 3mm.

With reference to shown in Fig. 5 and Fig. 6, the bottom of steam inlet 111 is formed with corner part 113, corner part 113 include bottom surface and Side, steam inlet 111 extends to side from bottom surface.Preferably, length a of the steam inlet 111 on bottom surface is 1-5mm.Should Corner part 113 makes air intake 11 form generally c-shaped opening, and the same of vapour area is entered the arrangement increases steam inlet 111 When, the direction of steam steam bubble entrance is also add, steam steam bubble is entered steam inlet 111 in a plurality of directions.

In another is preferably carried out mode, the flow area of steam inlet 111 not less than brokenly bubble chamber 11 inwall with The flow area in gap between brokenly bubble part 14.By by the flow area of steam inlet 111 (i.e. total opening of steam inlet 111 Area) it is set greater than the flow area in gap between the inwall in brokenly bubble chamber 11 and brokenly bubble part 14 and (can be flowed through in brokenly bubble chamber The surface area in the space of steam steam bubble), when substantial amounts of steam steam bubble enters fashionable, steam inlet 111 is not susceptible to block, can be effective Ensure that the patency of vapour is entered in steam inlet 111, while beneficial to the backflow of liquid.

Moved back and forth between steam inlet 111 and venthole 112 to be more conducive to brokenly bubble part 14, as shown in Figure 5 is excellent In selection of land implementation method, brokenly bubble chamber 11 inclines extended and steam inlet and is less than venthole 112.It should be appreciated that this Place steam inlet 111 is under use state with the steam valve less than venthole 112 and is stated.Due to brokenly bubble chamber 11 Incline and be extended, also improve the reflowing result of thin rice gruel.The setting causes that brokenly bubble chamber 11 is formed as inclined passage, brokenly bubble part 14 are moved under the thrust of steam steam bubble from steam inlet 111 to the direction of venthole 112, while in brokenly bubble part 14 itself In the presence of gravity brokenly bubble part 14 can move along inclined brokenly bubble chamber towards steam inlet 111, in this process, brokenly bubble part 14 Cause that brokenly bubble part 14 is moved in brokenly bubble chamber in the thrust of steam steam bubble and the collective effect of self gravitation, for example, slide, roll Or swing, so as to realize to the extruding and shock of steam steam bubble to eliminate steam bubble.For taking into account easily manufactured and mobile effect From the point of view of, brokenly bubble part 14 preferably comprises the rolling member of spheroid or cylinder.

According to the utility model, brokenly bubble part 14 is it can also be provided that diversified forms.For example brokenly bubble part 14 can have roller Structure, it can be rolled along the bearing of trend in brokenly bubble chamber 11；Also such as brokenly bubble part 3 is the piston knot coordinated with brokenly bubble chamber 11 Structure, it can be slided in brokenly bubble chamber 11.

In the implementation shown in fig. 5, brokenly bubble part 14 is the rolling member for including spheroid or cylinder.The rolling member energy Enough bearing of trends along brokenly bubble chamber 11 are rolled.The rolling member increased 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 stainless steel, aluminium, titanium alloy or be stainless iron, or be 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 simple structure is also convenient for rolling member rolling 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 7 Into.As shown in fig. 7, the bottom wall 101 of steam valve is provided with a pair of sidewalls 102 for extending towards valve pocket 10 at each interval, at this Lid 103 is installed, bottom wall 101, a pair of sidewalls 102 and lid 103 are limited and form brokenly bubble chamber 11 in a pair of sidewalls 102.Lid 103 removably cover with a pair of sidewalls 102, in order to installation and replacing to the brokenly bubble part 14 in brokenly bubble chamber 11.

The bottom wall 113 of steam valve constitutes the bottom wall in brokenly bubble chamber, a pair is provided with the bottom wall towards top (shown in Fig. 7 Orientation) extend interval side wall 114, to form the side wall in brokenly bubble chamber 11.Lid 115 is installed on the wall of side, so that shape Into the roof in brokenly bubble chamber.Certainly, the application is not limited to this, for example, the brokenly bubble chamber after assembling can be installed in valve pocket 10 Precalculated position.

In being preferably carried out mode at one, in brokenly bubble chamber 11, bottom wall 101 and/or lid 103 are drawn by guiding mechanism Lead rolling of the brokenly bubble part 14 along brokenly bubble chamber 11.

Specifically, as shown in fig. 7, guiding mechanism include guiding flange 171 and with the gap of guiding flange 171 coordinate draw Guide groove 170, wherein：Guiding flange 171 is formed on the outer peripheral face of rolling member, and guiding groove 170 is formed in lid 103 and/or bottom On wall 101；Or guiding groove 170 is formed on the outer peripheral face of rolling member, guiding flange 171 is formed in lid 103 and/or bottom wall On 101.Guiding groove 170 to guiding flange 171 for carrying out spacing and being simultaneously the offer tracks of brokenly bubble part 14.

Preferably, there is gap between the bottom wall 101 in rolling member and brokenly bubble chamber 11；And/or rolling member is interior with lid 103 There is gap between surface；And/or there is gap between the inner surface of rolling member and a pair of sidewalls 102.These gaps are on the one hand The frictional force between the inwall in 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 the 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 into by self gravitation for the ease of the solid particle in the thin rice gruel that is overflowed into by steaming import 12 In electric cooker, steam inlet 12 is set down.The setting causes steam inlet 12 just to the direction of motion of steam steam bubble, therefore steams Vapour steam bubble can be directly entered the steam inlet 12 during rising, and this just causes that the entrance of steam steam bubble is more unobstructed, from And improve the air inlet performance of steam valve.Meanwhile, the setting is also further beneficial to the backflow of liquid.

Fig. 5 is returned to, the locating part 5 of venthole 112 is formed with positioned at the outside of brokenly bubble chamber 11 and closed on bottom wall 101.Wherein, The concrete form of locating part 16 can be the laminated structure extended to valve pocket 10 from bottom wall 113.The locating part 5 is used to stop brokenly bubble Part 14 removes brokenly bubble chamber 11 to prevent brokenly bubble part 14 in motion process.Certainly, the locating part 5 is preferably arranged to not influence liquid Backflow.

The utility model also proposed a kind of electric cooker, and the pot lid of the electric cooker is provided with above-mentioned steam valve.Due to above-mentioned Steam valve seat tool standby preferably exhaust performance and effect of breaking bubble, therefore can effectively prevent thin rice gruel foam excessive, therefore apply the steaming The electric cooker of steam valve seat is then more cleaned and safety using upper.

Preferred embodiment of the present utility model is these are only, is not used to limit the utility model, it is all in this practicality Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in protection of the present utility model Within the scope of.

It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance In the case of shield, 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.

Additionally, can also be combined between a variety of implementation methods 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 (17)

1. steam valve, it is characterised in that the steam valve has valve seat and a bonnet being connected with the valve seat, the valve seat and described Bonnet connects to form valve pocket (10), and the valve pocket (10) is with steam (vapor) outlet (13) and steam inlet (111), the steam inlet (111) it is multiple, multiple steam inlets (111) connect with the steam (vapor) outlet (13).

2. steam valve according to claim 1, it is characterised in that multiple steam inlets (111) are formed in the valve On the bottom wall in chamber (10).

3. steam valve according to claim 2, it is characterised in that is provided with brokenly bubble structure in the valve pocket (10), this breaks Bubble structure includes brokenly bubble chamber (11) and the brokenly bubble part (14) being arranged at being reciprocally moveable in the brokenly bubble chamber (11), the brokenly bubble With air intake and venthole (112), multiple steam inlets (111) are the air intake of the brokenly bubble chamber (11) in chamber (11), The venthole (112) in the brokenly bubble chamber connects the steam (vapor) outlet (13).

4. steam valve according to claim 1, it is characterised in that the steam inlet (111) is strip opening.

5. steam valve according to claim 1, it is characterised in that the width (b) of the steam inlet (111) is 1-5mm.

6. steam valve according to claim 1, it is characterised in that multiple steam inlets (111) are in the horizontal plane extremely The height of a rare steam inlet (111) is different from the height of other steam inlets (111).

7. steam valve according to claim 6, it is characterised in that the steam inlet (111) is three, and centre steaming Steam inlet (111) of the vapour entrance (111) less than both sides.

8. steam valve according to claim 1, it is characterised in that the bottom of the steam inlet (111) is formed with turning Portion (113), the corner part (113) includes bottom surface and side, and the steam inlet (111) extends to the side from the bottom surface Face.

9. steam valve according to claim 8, it is characterised in that length of the steam inlet (111) on the bottom surface Degree (a) is 1-5mm.

10. steam valve according to claim 3, it is characterised in that total flow area of the steam inlet (111) is not small The flow area in the gap between the inwall of the brokenly bubble chamber (11) and the brokenly bubble part (14).

11. steam valves according to claim 3, it is characterised in that the brokenly bubble chamber (11) inclines and is extended and institute Steam inlet (111) is stated less than the venthole (112)；And/or

The brokenly bubble part (14) is the rolling member for including spheroid or cylinder.

12. steam valves according to claim 3, it is characterised in that the bottom wall (101) of the steam valve is provided with to each other Every a pair of sidewalls (102) that ground extends towards the valve pocket (10), lid (103), institute are installed in a pair of sidewalls (102) State the restriction of bottom wall (101), a pair of sidewalls (102) and the lid (103) and form the brokenly bubble chamber (11).

13. steam valves according to claim 12, it is characterised in that in the brokenly bubble chamber (11), the bottom wall (101) And/or lid (103) guides the brokenly bubble part (14) along the rolling of the brokenly bubble chamber (11) by guiding mechanism,

The guiding mechanism includes guiding flange (171) and the guiding groove (170) coordinated with guiding flange (171) gap, its In：

The guiding flange (171) is formed on the outer peripheral face of the rolling member, and the guiding groove (170) is formed in the lid (103) and/or on the bottom wall (101)；Or

The guiding groove (170) is formed on the outer peripheral face of the rolling member, and the guiding flange (171) is formed in the lid (103) and/or on the bottom wall (101).

14. steam valves according to claim 13, it is characterised in that the air intake includes two steam inlets (111), Two steam inlets (111) are located at the both sides of the guide frame of bottom wall (101) respectively.

15. steam valves according to claim 14, it is characterised in that the air intake includes the 3rd steam inlet (111), the 3rd steam inlet (111) is on position corresponding with the guide mechanism (17).

16. steam valves according to claim 12, it is characterised in that be formed with the bottom wall (101) positioned at described broken Bubble chamber (11) is outside and closes on the locating part (5) of the venthole (112), and the locating part (5) is for preventing the brokenly bubble part (14) the brokenly bubble chamber (11) is departed from.

17. a kind of electric cookers, it is characterised in that the pot lid of the electric cooker is provided with according to any one in claim 1-16 Described steam valve.