Summary of the invention
In view of the feature that steam flow channel is simple, seal is poor of existing Lid of electric cooker existence, the utility model provides a kind of Lid of electric cooker and electric cooker, by pot is covered to structural design, makes steam channel condensing vapour effective, there is good seal, can prevent overflow.To achieve these goals, the utility model by the following technical solutions.
A kind of Lid of electric cooker, comprising: clean cover, be provided with the steam inlet of passing through for steam; Steam cover plate, is arranged at the top of described cleaning cover, forms steam accommodation space with described cleaning cover; On described steam cover plate, steam (vapor) outlet is set, depart from described steam (vapor) outlet and described steam inlet, and steam is discharged through this steam (vapor) outlet through described accommodation space.
Further, also comprise top cover lower casing, described steam cover plate is packed in the cannelure of described top cover lower casing, between described top cover lower casing and described steam cover plate, is fixedly mounted with seal, and described seal is used for preventing that steam from revealing between described cleaning cover and described steam cover plate.
Further, described top cover lower casing lower end arranges a storage tank, and described cleaning cover is installed in described storage tank.
Further, also comprise a steam valve, be arranged on the top cover upper casing being tightly connected with described steam cover plate, steam is discharged through described steam valve through described steam (vapor) outlet.
Further, described steam valve comprises: valve upper casing, the valve lower casing fastening with described valve upper casing and be positioned at described valve upper casing and the weight in the space that valve lower casing forms; Described valve upper casing top is provided with steam vent and a downward extended baffle plate; Described valve lower casing bottom extends upward to stepped column, and described column lower end hollow forms inlet end, and described inlet end upwards extends through described column ladder platform and forms air admission hole; Described weight is set in described column upper end; Described steam vent and described weight lay respectively in two parts of cutting apart in described space, and it is on two-part divisional plane that described baffle plate is positioned at the described space of division.
Further, an annular boss and some cover plate boss are set on described steam cover plate, described annular boss is relative with described steam inlet.
Further, place, described steam inlet arranges a temperature transducer, to know vapor (steam) temperature.
A kind of Lid of electric cooker, comprising: top cover lower casing, comprises a cannelure and the storage tank that is positioned at described top cover lower casing lower end; Clean cover, be installed in described storage tank, described cleaning surface cover strip is useful on the steam inlet of passing through of steam; Steam cover plate, is installed in described cannelure, is positioned at the top of described cleaning cover, forms steam accommodation space with described cleaning cover; On described steam cover plate, steam (vapor) outlet is set, depart from described steam (vapor) outlet and described steam inlet; Seal, is arranged between described cleaning cover and described steam cover plate, for preventing that steam from revealing between described cleaning cover and described steam cover plate; Steam valve, is arranged on the top cover upper casing being tightly connected with described steam (vapor) outlet, and steam is discharged through described steam valve through described accommodation space, described steam (vapor) outlet; One annular boss and some cover plate boss are set on described steam cover plate, and described annular boss is relative with described steam inlet; Described cleaning surface covers some cover boss is set, and described in one, cover boss is relative with described steam (vapor) outlet.
Further, described cleaning cover bottom arranges a sealing ring, keeps steam from steam inlet, to enter described accommodation space.
A kind of electric cooker, comprises rice cooker body, is positioned at the pot of described rice cooker body and is fastened on pot lid in described rice cooker body, and described pot lid is above-mentioned pot lid.
The utility model Lid of electric cooker forms steam channel by structural design, can discharge in time the steam that in pot, liquid boiling produces, simultaneously most of steam backflow of can liquefying in passage, temperature and the quantity of exhaust steam have been reduced, can also effectively prevent from stewing interior liquid or food overflows, and Measurement accuracy kettle temperature, can meet the instructions for use of Modern Family.
The specific embodiment
Realization, functional characteristics and the advantage of the utility model object, in connection with embodiment, are described further with reference to accompanying drawing.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
With reference to the cutaway view of the embodiment of Lid of electric cooker shown in Fig. 1-2 mono-, this Lid of electric cooker comprises cleaning cover 1, steam cover plate 2, seal 3, top cover lower casing 4, steam valve 5, top cover upper casing 6 and temperature transducer 7.
Wherein, clean cover 1 in the form of sheets, be installed in the storage tank 42 of top cover lower casing 4 lower ends, on this cleaning cover 1, be provided with steam inlet 11, in order to improve the airtight degree of cleaning cover 1 and inner pan of electric cooker, in the periphery of cleaning cover 1, be provided with sealing ring 12, sealing ring 12 is made by flexible material, and shape in an overlapping, under steam pressure effect, inner pan of electric cooker inwall is close in sealing ring 12 lower ends, plays the effect of sealing.
Steam cover plate 2 is positioned at the top of cleaning cover 1, form steam accommodation space with cleaning face-piece 1, this steam cover plate 2 has a steam (vapor) outlet 21, this steam (vapor) outlet 21 departs from setting with steam inlet 11, this steam (vapor) outlet 21 and steam inlet 11 on horizontal plane symmetrical centre during projection not in same point, preferred scheme is that both projections on horizontal plane do not have intersecting area, steam cover plate 2 is arranged in the cannelure 41 of top cover lower casing 4, in order to improve steam cover plate 2 and to clean the sealing effectiveness between cover 1, between steam cover plate 2 and the cannelure 41 of top cover lower casing 4, be provided with seal 3, the seal 3 is flexible seals, its lower end is dropped on and is cleaned on cover 1, like this, clean cover 1, steam cover plate 2 and the common formation one of seal 3 only have the steam accommodation space of steam inlet 11 and steam (vapor) outlet 21, when steam enters this accommodation space from steam inlet 11, this accommodation space internal pressure increases, force seal 3 to expand outwardly, its lower end is adjacent to cleans cover 1, promote obturation effect.
Top cover upper casing 6 has been installed in the 2 upper end sealings of steam cover plate, in order to obtain good sealing effectiveness, present embodiment adopts adhesive means, specifically at top cover upper casing 6 and steam cover plate 2 touching positions (ring steam (vapor) outlet 21), do recessed seam, in the bottom of recessed seam, do and beat glue groove, after top cover upper casing 6 and steam cover plate 2 join, the glue bond top cover upper casing 6 and steam cover plate 2 in glue groove beaten in recessed seam bottom, plays the effect of sealing.In other embodiments, also can adopt the mode of ultrasonic bonding or between increase sealing ring, can realize equally the effect of sealing.
Steam valve 5 is arranged on top cover upper casing 6, the bottom of this steam valve 5 is arranged in steam (vapor) outlet 21, at steam, by steam inlet 11, entered, through steam (vapor) outlet 21, enter in steam valve 5, finally by steam valve 5, discharged, in order to obtain good sealing effectiveness, between steam valve 5 and top cover upper casing 6, add sealing ring.
Temperature transducer 7 is arranged on steam cover plate 2; in order to measure accurately kettle temperature and better to protect sensor head; by the head of temperature transducer 7 put down in or lower than cleaning the inner surface of cover 1, the head of temperature transducer 7 is not exposed from steam inlet 11.
In the present embodiment, the top of top cover upper casing 6 is also covered and has been established a top cover upper casing cover plate 61, in order to closed roof upper casing 6 and by steam valve 5, covers between top cover upper casing 6 and top cover upper casing cover plate 61, plays the effect of protection steam valve.
With reference to being respectively shown in Fig. 3-4, in Fig. 1, clean cover and pot lid is removed the structural representation that cleans cover remainder, clean cover 1 and comprise steam inlet 11, sealing ring 12, cover boss 13, the large boss 14 of cover, buckle 15 and inserted sheet 16, steam cover plate 2 comprises steam (vapor) outlet 21, cover plate boss 22 and annular boss 23, top cover lower casing 4 comprises storage tank 42, draw-in groove 43, when installation pot covers, first the inserted sheet 16 that cleans cover 1 is inserted in the slot (not shown) at storage tank 42 edges, then buckle 15 is pressed into respectively in draw-in groove 43, now, cleaning cover 1 is arranged in storage tank 42.In this pot lid, the large boss 14 of cover is distributed in and cleans cover 1 one side relative with steam cover plate 2 with some cover boss 13, and annular boss 23 is relative with steam inlet 11, and the large boss 14 of cover is relative with steam (vapor) outlet 21.
With reference to the structural representation that is respectively steam valve in Fig. 1 shown in Fig. 5-7, this steam valve comprises valve upper casing 51, valve lower casing 52, weight 53 and pressure relief plug 54.
Wherein, valve upper casing 51 comprises steam vent 511, baffle plate 512, trim 513 and rotary buckle 514; Trim 513 is fastened on the surface of valve upper casing 51, can decorate the surface of valve upper casing 51, also plays a protective role simultaneously; Steam vent 511 is positioned at the top of valve upper casing 51, runs through the top of valve upper casing 51, is installing after trim 513, and for exhaust steam, trim 513 is in steam vent 511 place's hollow outs; Baffle plate 512 is arranged at the inner side of valve upper casing 51, and this baffle plate 512 is formed to downward-extension by valve upper casing 51 inner surfaces; Rotary buckle 514 is arranged on the lower end of valve upper casing 51, and valve upper casing 51 fastens with valve lower casing 52 by this rotary buckle 514.
Valve lower casing 52 comprises that stepped column (does not mark in figure, comprise column upper end 522, column lower end forms inlet end 521), sealing ring 523, draw-in groove 524, through hole 525, air admission hole 526 and consent 527, column upper end 522 is parts more than stepped column cascaded surface, and this column upper end 522 comprises a coaxial screwed hole with it; Column lower end hollow forms inlet end 521, and the ladder platform that this inlet end 521 upwards extends through stepped column forms air admission hole 526, and with reference to Fig. 6 and Fig. 7, in the present embodiment, inlet end 521 and air admission hole 526 all have two, are symmetric; Sealing ring 523 is set in the bottom of valve lower casing 52, in order to realize sealing effectiveness better when steam valve is installed; The corresponding setting of rotary buckle 514 of draw-in groove 524 and valve upper casing 51, when valve upper casing 51 and valve lower casing 52 fasten, rotary buckle 514 snaps in draw-in groove 524, valve upper casing 51 and 52 fixed installations of valve lower casing are integrated, in the time of need to opening, only need make valve upper casing 51 and valve lower casing 52 relatively rotate, rotary buckle 514 departs from draw-in groove 524; Through hole 525 and consent 527 are all arranged on the bottom of valve lower casing 52, and in the present embodiment, through hole 525 has two, the symmetrical both sides that are distributed in consent 527.
In order to realize minute-pressure effect, weight 53 is positioned at the space that valve upper casing 51 and valve lower casing 52 form, on the concrete stepped column that is set in valve lower casing 52, this weight 53 is the multidiameter shape with ladder hole matching with stepped column, and can on stepped column, slide, the junction of weight 53 shoulder holes covers the air admission hole 526 of valve lower casing 52, in the time of in the pressure producing in steam at steam valve, the pressure-acting at air admission hole 526 places is on weight 53, while reaching certain value, jack-up weight 53, the junction of its shoulder hole and the ladder platform of valve lower casing 52 are departed from, steam enters the inner space of steam valve from air admission hole 526.In order to make weight 53 not depart under pressure column upper end 522, a screw 531 is spirally connected in the screwed hole of column upper end 522, and a pad 532 is set between screw 531 and column upper end 522, at weight 53 pressures when excessive, weight 53 upper surfaces are against on pad 532, make weight 53 not depart from column upper end 522.
While occurring to stop up in order to guarantee that steam valve is excessive at pressure, cannot pass through in time air admission hole exhaust steam or air admission hole, steam valve still can exhaust steam, in the bottom of valve lower casing 52, be provided with pressure relief plug 54, this pressure relief plug 54 comprises patch 541, stopper rod 542 and chock plug 543, stopper rod 542 is positioned at the middle part of patch 541, and chock plug 543 is arranged on the top of stopper rod 542.In use, chock plug 543 passes the consent 527 of valve lower casing 52 bottoms, and is stuck in the inner side of valve lower casing 52 bottoms, and now patch 541 covers on the through hole 525 of valve lower casing 52 bottoms, and 542 of stopper rods are arranged in consent 527.As preferred version, in valve lower casing 52 bottoms, corresponding patch 541 parts are arranged to blind hole form, the blind hole bottom laminating of the inner surface of patch 541 and valve lower casing 52 bottoms, the outer surface of patch 541 is equal with valve lower casing 52 lower surface, can avoid like this patch 541, around stopper rod 542, axial rotation occurs, guarantee that it covers on through hole 525.As preferred version, the length of stopper rod 542 is greater than the thickness of valve lower casing 52, and when steam valve is during in normal pressure, the liquid effects that in steam valve, steam condensation becomes, on patch 541, makes pressure relief plug 54 move down along consent 527 like this, and the liquid in steam valve flows out.As preferred scheme, the numerical value that stopper rod 542 is greater than the thickness of valve lower casing 52 is less than the degree of depth of valve lower casing 52 bottom blind holes, make pressure relief plug 54 after moving down also in blind hole, can there is not the axial rotation around stopper rod 542.
In order to make the steam that enters steam valve can condense into liquid more, the steam vent 511 that is positioned at valve upper casing 51 departs from setting with weight 53, even if steam vent 511 and weight 53 be not on a vertical plane, the steam that weight 53 places discharge like this arrives steam vent 511 through longer distance, can more condense.In the present embodiment, valve upper casing 51 and valve lower casing 52 fasten the space that forms vertical be divided into two parts, steam vent 511 and weight 53 are positioned at different segment spaces, the valve upper casing 51 extended baffle plates 512 in inner side are positioned on divisional plane, and this baffle plate 512 extends downward the lower end of weight 53, the steam of discharging from weight 53 is positioned at the segment space at weight 53 places, walk around in the segment space that baffle plate 512 enters steam vent 511 places, by steam vent 511, discharged again, steam is discharged through such path, can be condensed into greatly liquid.
In conjunction with Fig. 1-7, steam, from steam inlet 11 enters, runs into steam cover plate 2 surfaces and stops with annular boss 23, and most of steam condensation becomes liquid, and liquid, along annular boss 23 landings, falls back in pot by steam inlet 11.When the pastel that the food boiling in pot produces enters steam inlet 11, under steam cover plate 2 surfaces stop with annular boss 23, most of pastel falls back in pot, small part moves to steam (vapor) outlet with steam, through stopping of cover plate boss 22 and cover boss 13, pastel is deposited in the surface of cleaning cover 1, has avoided the obstruction of steam channel.The large boss 14 of cover be positioned at steam (vapor) outlet 21 under, when the coagulating liq in steam valve drips, drop on the large boss 14 of cover, along large boss 14 surroundings of cover, flow down, through steam inlet 11, be back in pot.Steam through the steam channel of steam inlet-annular boss-cover plate boss-cover boss-steam (vapor) outlet, can make most of steam condensations become liquid backflow to pot in steam accommodation space, and in also can avoid overflowing pot, pot, pastel stops up steam (vapor) outlet etc.
In the pressure that steam valve 5 produces in steam, when pressure reaches certain numerical value, on weight 53, move under pressure, steam enters the space between column upper end 522 and weight 53 shoulder holes by air admission hole 526, steam moves down along weight 53 ladder hole walls the segment space that enters weight 53 places, now part steam generation is condensed, produce flow direction valve lower casing 52 bottoms, residual steam is walked around baffle plate 512, part steam generation is condensed, residual steam enters in the segment space at steam vent 511 places, by steam vent 511, discharged again, steam is discharged through the path of twice obstacle, when each cut-through, all can produce condensing in a large number of steam, when vapor flow, also can produce on a small quantity and condense, this path design makes steam valve can produce minute-pressure effect, the pressure producing at steam is when excessive, and perk occurs the patch 541 of pressure relief plug 54, and produces gap between through hole 525, and steam enters steam valve by this gap, can guarantee minute-pressure effect.At steam valve, during in normal pressure, the liquid condensing, because Action of Gravity Field is on pressure relief plug 54, moves down pressure relief plug 54, and via through holes 525 flows out to and cleans cover 1, then is back in pot by steam inlet 11.
The utility model also provides a kind of electric cooker, this electric cooker comprises rice cooker body, is positioned at the pot of rice cooker body and is fastened on pot lid in rice cooker body, pot lid as described in the embodiment, steam valve preferably uses the steam valve in the utility model, also can adopt other steam valve.Electric cooker of the present utility model, when cooking, can effectively reduce the discharge of steam, and the pot phenomenon of avoiding occurring overflowing, guarantees the effect of cooking.
By specific embodiment, the utility model has been done to detailed explanation above, these concrete descriptions can not think that the utility model only only limits to the content of these embodiment.Those skilled in the art according to the utility model design, these descriptions any improvement of making in conjunction with general knowledge known in this field, be equal to replacement scheme, all should be included in the protection domain of the utility model claim.