CN202820886U - Electric cooker - Google Patents

Abstract

An electric cooker comprises a cooker body component, a cooker cover component hinged on the cooker body component, a decompression component for exhausting, a cover opening component for opening a the cooker cover and a button component. The decompression component comprises an exhaust channel which communicates the inner portion and the outer portion of a cooker body, a pressure ball arranged on the exhaust channel, an electromagnet component which pushes the pressure ball to enable the cooker body to be decompressed and a linkage mechanism which pushes the electromagnet component. The cover opening component comprises a cover opening buckling plate which is matched with the cooker body component to close the cover, a ball float valve which is controlled by inner pressure of the cooker body to be lifted and a slide block component which is matched with the lifted ball float valve to stop the action of the cover opening buckling plate. The button component comprises a button body, a push rod which pushes the cover opening component to move and a jacking rod which pushes the decompression component to move. When the button component moves, the moment when the jacking rod pushes the decompression component to move is earlier than the moment when the push rod pushes the cover opening component to move, and the moment when the cover opening component moves is when the inner pressure of the cooker body is lowered than a preset value so that the ball float valve descends.

Description

Electric cooker

Technical field

The utility model relates to a kind of small household appliances, is specifically related to a kind of electric cooker.

Background technology

Micro-pressure electric rice cooker on sale in the market generally has two kinds of structures:

A kind of is under the state of electromagnet no power work, the pressure bead places on the steam vent for a long time, seal steam vent, pot body is connected with atmospheric pressure by the aperture in the float-controlled valve during without pressure, cold air is discharged from float-controlled valve, and when heating generation steam had pressure, steam was with float-controlled valve jack-up, the body of will stewing seals, thereby the pressure cooking is carried out in the space that forms a sealing; Produce elastic force that thrust overcomes himself after the electromagnet energising and promote the pressure bead and depart from steam vent, thereby carry out exhaust and pressure adjusting; The product of this structure is in the situation of accident outage, the pressure bead is seal vents all the time, the user can not manually carry out row pressure, need to wait in pot and naturally just can uncap after the cooling, spended time is long, in addition, if the user needs to uncap when adding part condiment in the electric cooker course of work, the electric cooker of this structure can not carry out fast pressure relief to realize safe opening, if and the user does not understand the operation principle of micro-pressure electric rice cooker, when uncapping by force, also can cause very large potential safety hazard.

Another kind of structure is in the work of electromagnet no power, the pressure bead departs from steam vent for a long time, steam vent is opened, and communicates with atmospheric pressure in pot, when needs pressure is cooked, the electromagnet energising produces suction and overcomes the elastic force of himself, make pressure ball get back to steam vent place sealing pot body, the electric cooker of this structure is in the situation of abnormal power-down, electromagnet can be pushed the pressure bead automatically open, and pot internal pressure is discharged rapidly.The micro-pressure electric rice cooker of this structure is for produce especially easily the danger of scalding on the product limit and to the offhand user of abnormal power-down; And the electromagnet of this structure requirement suction is larger, works long hours, and temperature rise was lost efficacy easily.

China Patent No. discloses the improvement technology of more than one two schemes for " loam cakes of 200910039333 electric pressure rice cookers ", it includes the inner cap hinged with the body of stewing, be installed in the snap close that the relative inner cap of inner cap below and energy rotates, be installed in swing handle and the connecting rod of inner cap top and the rotation of energy drive pin button, in cover the pressure ball that also is provided with the exhaust pedestal of making steam vent and is positioned at the steam vent upper end, cover wherein and also be provided with the automatically reset transmission swing arm of energy, the middle part of transmission swing arm covers in being contained in the connector hinge, one end of safety push-rod passes the sidewall of exhaust pedestal over against pressure ball, the other end of safety push-rod contacts with the first end that can drive its moving transmission swing arm, and the second end of transmission swing arm is provided with the fast pressure relief mechanism that can make pressure ball leave steam vent.The utility model has in electric rice cooker in the situation of pressure, makes the transmission swing arm promote pressure ball by fast pressure relief mechanism and departs from steam vent, carrying out exhaust pressure relief, thereby realizes safely and fast release; But the electric pressure rice cooker of this structure is only applicable to the structure that the loam cake rotation is uncapped, the i.e. electric cooker of pressure-cooker type; This electric cooker is because have pressure in pot, and snap close is detained with interior pot pot and drawn very tightly, will form very large frictional force in the time of being rotated exhaust pressure relief, and turn-knob more originally can't overcome this frictional force to be promoted exhaust gear and carry out pressure release.

Summary of the invention

The purpose of this utility model is to provide a kind of Rapid opening and can uncap when the pressure cooking is arranged and increase the electric cooker of spice can realize pressure is arranged the time.

For reaching the goal of the invention the technical solution adopted in the utility model be:

Electric cooker, comprise pot body assembly, be hinged on pot cap assemblies on pot body assembly, be used for exhaust the pressure release assembly, be used for uncapping uncap assembly and be installed in pot body assembly or pot cap assemblies on button assembly, described pressure release assembly comprises the exhaust passage that is communicated with pot inside and outside, be located at pressure ball on the exhaust passage, promote electromagnet assembly that described pressure ball makes the pressure release of pot body, and promote the link gear of described electromagnet assembly; The described assembly of uncapping comprises the buckle of uncapping that cooperates closing lid with pot body assembly, by the float-controlled valve of pot body internal pressure control lifting, and cooperates the slide block assembly that stops the buckle action of uncapping with the float-controlled valve that rises, it is characterized in that: described button assembly comprises the button body, be arranged on promotion on the described button body the uncap push rod that push rod that assembly moves and promotion pressure release assembly move and the back-moving spring that described button body is resetted; The time that the time that described push rod promotes the action of pressure release assembly during the action of described button assembly promotes to uncap the assembly action early than described push rod, be the actuation time of the described assembly of uncapping when pot body internal pressure is lower than preset value float-controlled valve is descended.

Further, described slide block assembly comprises and is arranged on the backstop slide block that buckle one side of uncapping is in contact with it, between described backstop slide block and the float valve seat that float-controlled valve is installed the first spring that backstop slide block and the buckle of uncapping are contacted all the time is installed, on the described backstop slide block slide block push jack is installed, described slide block push jack cooperates with float-controlled valve when float-controlled valve rises makes the backstop slide block be in arrested state.

Further, described link gear comprises the pressure release push pedal, be arranged on the pressure release slide block that pressure release push pedal one side is in contact with it and the pressure release steel plate that promotes pressure release push pedal action, described pressure release slide block cooperates with the electromagnet tip-clearance of described electromagnet assembly, and described pressure release steel plate is by the push rod pushing action of described button assembly.

Further, a side of the described buckle of uncapping is provided with the steel plate of uncapping that promotes its action, the described push rod pushing action of steel plate by described button assembly of uncapping.

Technical conceive of the present utility model is under the closing lid state, and the buckle of uncapping of the assembly of uncapping is in primary importance all the time under the effect of slide block assembly, with the middle plate buckle fastening closing lid on pot body assembly; Link gear in the pressure release assembly remains that under the elastic force of electromagnet assembly initial position does not carry out any action, and when the electromagnet assembly no power, pressure ball seals the exhaust passage all the time; When beginning to cook, generation pressure in pot body, the float-controlled valve in the float valve seat can float, and pot body is sealed, and cooking pressure this moment is to promote pressure ball control by the suction that electromagnet assembly produces when switching on; When running into abnormal power-down, under the elastic force effect of electromagnet assembly, link gear and electromagnet assembly remain motionless, can not carry out pressure release by positive action promotion pressure ball.

When needing to observe the culinary art situation of food in pot body after when culinary art, need to adding other condiment or run into abnormal power-down, the action of need to uncapping, press button assembly this moment, make first the link gear action, promoting electromagnet assembly makes pressure ball leave steam vent to carry out pressure release, when pot body internal pressure can also make float-controlled valve float, under the effect of float-controlled valve and slide block assembly, press button assembly, can not make the assembly action of uncapping, drop to the pressure of preset value when pot body internal pressure, float-controlled valve sinks, continue to promote button assembly, the pressure release action remains unchanged and proceeds pressure release, and the assembly of uncapping this moment begins action, slide block assembly can move, after mobile certain distance, the buckle of uncapping of the assembly of uncapping is thrown off in the plate buckle from pot body, has finished the action of uncapping.

The beneficial effects of the utility model:

1, after abnormal power-down, can not carry out voluntarily pressure release, the situation of liquid ejection makes the user more secure when used in the body of can not stewing;

When 2, needing to observe the culinary art situation of food in pot body after need to adding other condiment or run into abnormal power-down in when culinary art, can uncap at any time, need not to wait as long for, more convenient when the user is used.

Description of drawings

Fig. 1 is the utility model operating principle key diagram.

Fig. 2 is that the utility model gets togather lid and is in the culinary art working state figure.

Fig. 3 has played pressure state figure when being the utility model culinary art.

Fig. 4 is the procedure chart one of the utility model when uncapping pressure release.

Fig. 5 is the procedure chart two of the utility model when uncapping pressure release.

Fig. 6 is the procedure chart one of uncapping after the utility model pressure release.

Fig. 7 is the procedure chart two of uncapping after the utility model pressure release.

Fig. 8 is the utility model lid-opening button matching relationship enlarged drawing.

Fig. 9 is the part-structure schematic diagram of the utility model button assembly.

Figure 10 is the utility model pot body schematic diagram.

Figure 11 is the cutaway view of the closing lid duty of the utility model lid-opening button when being arranged on loam cake.

Figure 12 is the cutaway view of the pressure release state of the utility model lid-opening button when being arranged on loam cake.

The specific embodiment

Come the utility model is further specified below in conjunction with specific embodiment, but the utility model is not confined to these specific embodiment.One skilled in the art would recognize that the utility model contained all alternatives, improvement project and the equivalents that may comprise in claims scope.

Embodiment one

With reference to 1-10, electric cooker, comprise pot body assembly, be hinged on pot cap assemblies on pot body assembly, be used for the pressure release assembly of exhaust, the assembly and be installed in button assembly on pot body assembly of uncapping that is used for uncapping, described pressure release assembly comprises the exhaust passage that is communicated with pot inside and outside, be located atpressure ball 15 on the exhaust passage, promote electromagnet assembly that describedpressure ball 15 makes the pressure release of pot body, and promote the link gear of described electromagnet assembly; The described assembly of uncapping comprises thebuckle 7 of uncapping that cooperates closing lid with pot body assembly, by the float-controlledvalve 16 ofpot body 25 internal pressures control lifting, and cooperate the slide block assembly that stops that thebuckle 7 of uncapping moves with the float-controlledvalve 16 of rise; Described button assembly comprisesbutton body 21, be arranged on promotion on the describedbutton body 21 uncap the assemblyaction push rod 24 and promote thepush rod 23 of pressure release assembly action and the back-movingspring 2 that describedbutton body 21 is resetted; The time that the time that describedpush rod 23 promotes the action of pressure release assemblies during the action of described button assembly promotes to uncap the assembly action early than describedpush rod 24, be the actuation time of the described assembly of uncapping whenpot body 25 internal pressures are lower than preset value float-controlledvalve 16 is descended.

Described slide block assembly comprises and is arranged on thebackstop slide block 19 that buckle 7 one sides of uncapping are in contact with it, between describedbackstop slide block 19 and the float valve seat that float-controlledvalve 16 is installed thefirst spring 17 thatbackstop slide block 19 and thebuckle 7 of uncapping are contacted all the time is installed, on the describedbackstop slide block 19 slideblock push jack 18 is installed, described slideblock push jack 18 cooperates with float-controlledvalve 16 when float-controlledvalve 16 rises makesbackstop slide block 19 be in arrested state.

Described link gear comprises pressure release push pedal 9, be arranged on the pressurerelease slide block 11 that pressure release push pedal 9 one sides are in contact with it and the pressurerelease steel plate 5 that promotes pressure release push pedal 9 actions, described pressurerelease slide block 11 cooperates withelectromagnet 12 tip-clearances of described electromagnet assembly, and described pressurerelease steel plate 5 is bypush rod 23 pushing actions of described button assembly.

One side of the describedbuckle 7 of uncapping is provided with thesteel plate 3 of uncapping that promotes its action, describedpush rod 24 pushing actions ofsteel plate 3 by described button assembly of uncapping.

Technical conceive of the present utility model is under the closing lid state, and thebuckle 7 of uncapping of the assembly of uncapping is in primary importance all the time under the effect of slide block assembly, with themiddle plate buckle 30 fastening closing lids on pot body assembly; Link gear in the pressure release assembly remains that under the elastic force of electromagnet assembly initial position does not carry out any action, and when the electromagnet assembly no power,pressure ball 15 seals the exhaust passage all the time; When beginning to cook,pot body 25 interior generation pressure, the float-controlledvalve 16 in the float valve seat can float, andpot body 25 is sealed, and cooking pressure this moment is that the suction that leans on electromagnet assembly to produce when energising promotespressure ball 15 controls; When running into abnormal power-down, under the elastic force effect of electromagnet assembly, link gear and electromagnet assembly remain motionless, can not carry out pressure release by positive actionpromotion pressure ball 15.

When needing to observe the culinary art situation of food in pot body after when culinary art, need to adding other condiment or run into abnormal power-down, the action of need to uncapping, press button assembly this moment, make first the link gear action, promoting electromagnet assembly makespressure ball 15 leave steam vent to carry out pressure release, whenpot body 25 internal pressures can also make float-controlledvalve 16 float, under the effect of float-controlledvalve 16 and slide block assembly, press button assembly, can not make the assembly action of uncapping, drop to the pressure of preset value whenpot body 25 internal pressures, float-controlledvalve 16 sinks, continue to promote button assembly, the pressure release action remains unchanged and proceeds pressure release, and the assembly of uncapping this moment begins action, slide block assembly can move, after mobile certain distance, thebuckle 7 of uncapping of the assembly of uncapping is thrown off in theplate buckle 30 frompot body 25, has finished the action of uncapping.

Pot body assembly in the present embodiment comprisespot body 25, be installed in pot on thebody 25middle plate 26 and be connected tomiddle plate buckle 30 on themiddle plate 26; Described pot cap assemblies comprises theinner cap 28 that is hinged on themiddle plate 26, is fixed on theinner cap stiffener 27 on theinner cap 28; Described electromagnet assembly comprises that promotingpressure ball 15 leaves the electromagnet push-rod 13 of top, exhaust passage and theelectromagnet 12 that DM pushrod 13 slides; Described exhaust passage is arranged on the exhaust pedestal 29.

Describedpush rod 23 in the present embodiment protrudes than describedpush rod 24 when original state, andpush rod 23 is shorter to the distance of thesteel plate 3 of uncapping thanpush rod 24 to the distance of pressurerelease steel plate 5, will promote touncap steel plate 3 prior to pushrod 24 sopush rod 23 promotes pressure release steel plate 5.Also can be to uncap to be equipped with protuberance onsteel plate 3 and the pressurerelease steel plate 5 as a kind of alternative, the protuberance on the pressurerelease steel plate 5 makes the contacting prior touncap steel plate 3 andpush rod 24 that contact of pressurerelease steel plate 5 andpush rod 23 than the protrusion of the protuberance on thesteel plate 3 of uncapping.More than describe and just exemplified concrete two kinds of structures, one of ordinary skill in the art read and know easily to also have some other simple variant behind the specification, as long as time of promoting to uncap the assembly action early than describedpush rod 24 time that describedpush rod 23 promoted the action of pressure release assemblies when above structure satisfied the button assembly action.

Push rod described in thepresent embodiment 23 is connected on thebutton body 21 movably, is provided with thesecond spring 22 between itself and the button body 21.Because the displacement of pressurerelease steel plate 5 is limited, so inpush rod 24 promotes to uncap the process ofsteel plate 3,push rod 23 needs can to allowpush rod 24 can contact with thesteel plate 3 of uncapping also smoothly promotion toward rollback, and it moves,push rod 23 is the position that makes after pressurerelease steel plate 5 is in movement all the time in this process simultaneously, makes the pressure release assembly be in the pressure release state always.

Button assembly 1 in the present embodiment is fixed onpot body 25, realizes the elasticity ofbutton assembly 1 by back-movingspring 2, and thesteel plate 3 of uncapping, pressurerelease steel plate 5, the second torsion spring 8 etc. are assembled together by the second bearingpin 4, and is then fixed tomiddle plate 26 with screw fastening; Uncapbuckle 7, the first torsion spring 10, pressure release push pedal 9 is fixed on theinner cap stiffener 27 by the first bearingpin 6,inner cap stiffener 27 again with screw fastening toinner cap 28,uncap buckle 7 and the spring force of pressure release push pedal 9 by the first torsion spring 10 can be rotated around the first bearingpin 6; Pressurerelease slide block 11 cooperates withelectromagnet 12 tip-clearances, button bit on theelectromagnet 12 cooperates with electromagnet push-rod 13, electromagnet push-rod 13 covers install on thesealing ring 14, be connected withpressure ball 15 contacts, wherein pressurerelease slide block 11,electromagnet 12, electromagnet push-rod 13 are fixed on theinner cap 28 by pressing plate 31, and pressurerelease slide block 11, electromagnet push-rod 13 can horizontally slip by the suction after the elastic force on theelectromagnet 12 and the energising;Sealing ring 14 is fixed on theinner cap 28; Be equipped with slideblock push jack 18 on thebackstop slide block 19, and thefirst spring 17, under the elastic force effect of thefirst spring 17,backstop slide block 19 touch thebuckle 7 of uncapping all the time;Middle plate buckle 30 usefulness screws lock onto on themiddle plate 26;Middle plate 26 is hinged withinner cap 28.

The operation principle explanation:

Closing lid state: as Figure 1-3,uncap buckle 7 under the active force of the first torsion spring 10 and thefirst spring 17, be rotated counterclockwise around the first bearingpin 6, fastenmiddle plate buckle 30; Pressure release push pedal 9 is under the acting force of the spring ofelectromagnet 12, be rotated counterclockwise around the first bearingpin 6, be returned to Fig. 2 state, thismoment electromagnet 12 no powers, electromagnet push-rod 13, pressurerelease slide block 11 are under the acting force of the spring ofelectromagnet 12, remain motionless (position shown in Figure 2), thepressure ball 15 of this moment seals the exhaust passage on the exhaust pedestal 29; Begin culinary art, begun pressure in pot, this moment, float-controlledvalve 16 floated (state shown in Figure 3), and the suction that the culinary art pressure depended onpressure ball 15 of this moment orelectromagnet 12 energisings produce promotespressure ball 15 controlled pressures; If any abnormal power-down, electromagnet push-rod 13, pressurerelease slide block 11 remain motionless (position shown in Figure 2) under the spring-force driven dual ofelectromagnet 12, can initiatively not promotepressure ball 15 and carry out pressure release in the cooking process.

The state of uncapping: if the user wants to uncap and increases other condiment in the course of work, or want to open lid after the abnormal power-down and check food cooking state in pot, the action of will uncapping this moment; Shown in Fig. 1, Fig. 4-10, when uncapping, promotebutton assembly 1, overcome the elastic force of back-movingspring 2, move forward, because thepush rod 23 on thebutton assembly 1 protrudes thanpush rod 24, so this moment,push rod 23 withstood first pressurerelease steel plate 5, pressurerelease steel plate 5 is rotated counterclockwise around the second bearingpin 4 and promotes pressure release push pedal 9, pressure release push pedal 9 turns clockwise around the first bearingpin 6, thereby the spring force that promotion pressurerelease slide block 11 overcomes on theelectromagnet 12 moves right, and promotes electromagnet push-rod 13, thereby promote the exhaust passage thatpressure ball 15 is thrown off on the exhaust pedestal 29, carry out exhaust; If continue firmly to touch thebutton assembly 1 this moment, thesteel plate 3 of uncapping can be withstood in the top of thepush rod 24 on thebutton assembly 1, thesteel plate 3 transmission power of uncapping are given thebuckle 7 of uncapping, pass to again the slideblock push jack 18 onbackstop slide block 19 and thebackstop slide block 19 and withstand float-controlledvalve 16, also has very large pressure because stew this moment in thebody 25, float-controlledvalve 16 is float state all the time, andassembly 1buckle 7 that can't promote to uncap that firmly touches the button this moment is uncapped; When the pressure of pot in thebody 25 during less than 4kpa, float-controlledvalve 16 sinks, promotebutton assembly 1 this moment, afterbutton assembly 1 moves and finishes previous step pressure release action, pushrod 23 on thebutton assembly 1 stops to move forward on thebody 25 spacing 251 times of pot, draw back after overcoming the power of thesecond spring 22, the pressure release action is kept motionless, this moment,button assembly 1 continued to move forward, thesteel plate 3 of uncapping can be withstood in the top of thepush rod 24 on thebutton assembly 1, thesteel plate 3 of uncapping is rotated counterclockwise and thebuckle 7 that promotes to uncap around the second bearingpin 4, thebuckle 7 of uncapping turns clockwise around the first bearingpin 6 and promotesbackstop slide block 19,backstop slide block 19 moves right with the elastic force that movableslider push jack 18 overcomes thefirst spring 17, therefore float-controlledvalve 16 has sunk the time, and slideblock push jack 18 can move right, when moving to certain distance,plate buckle 30 during thebuckle 7 of uncapping is thrown off, thus the action of uncapping finished.

Embodiment two

With reference to Figure 11, Figure 12, the difference of present embodiment and embodiment one is that describedbutton assembly 1 is installed on the cover 32 of pot cap assemblies.The power ofbutton assembly 1 is directly passed touncap buckle 7 and pressure release push pedal 9, need not to transmit byuncap steel plate 3 and pressurerelease steel plate 5, so in the present embodimentuncap steel plate 3 and pressurerelease steel plate 5 is not set, and all the other structures are all identical with embodiment one with operation principle.

Claims (4)

1. electric cooker, comprise pot body assembly, be hinged on pot cap assemblies on pot body assembly, be used for exhaust the pressure release assembly, be used for uncapping uncap assembly and be installed in pot body assembly or pot cap assemblies on button assembly, described pressure release assembly comprises the exhaust passage that is communicated with pot inside and outside, be located at pressure ball on the exhaust passage, promote electromagnet assembly that described pressure ball makes the pressure release of pot body, and promote the link gear of described electromagnet assembly; The described assembly of uncapping comprises the buckle of uncapping that cooperates closing lid with pot body assembly, by the float-controlled valve of pot body internal pressure control lifting, and cooperates the slide block assembly that stops the buckle action of uncapping with the float-controlled valve that rises, it is characterized in that: described button assembly comprises the button body, be arranged on promotion on the described button body the uncap push rod that push rod that assembly moves and promotion pressure release assembly move and the back-moving spring that described button body is resetted; The time that the time that described push rod promotes the action of pressure release assembly during the action of described button assembly promotes to uncap the assembly action early than described push rod, be the actuation time of the described assembly of uncapping when pot body internal pressure is lower than preset value float-controlled valve is descended.

2. electric cooker according to claim 1, it is characterized in that: described slide block assembly comprises and is arranged on the backstop slide block that buckle one side of uncapping is in contact with it, between described backstop slide block and the float valve seat that float-controlled valve is installed the first spring that backstop slide block and the buckle of uncapping are contacted all the time is installed, on the described backstop slide block slide block push jack is installed, described slide block push jack cooperates with float-controlled valve when float-controlled valve rises makes the backstop slide block be in arrested state.

3. electric cooker according to claim 1 and 2, it is characterized in that: described link gear comprises the pressure release push pedal, be arranged on the pressure release slide block that pressure release push pedal one side is in contact with it and the pressure release steel plate that promotes pressure release push pedal action, described pressure release slide block cooperates with the electromagnet tip-clearance of described electromagnet assembly, and described pressure release steel plate is by the push rod pushing action of described button assembly.

4. electric cooker according to claim 3 is characterized in that: a side of the described buckle of uncapping is provided with the steel plate of uncapping that promotes its action, the described push rod pushing action of steel plate by described button assembly of uncapping.

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