CN208822312U - Cooking apparatus - Google Patents

Abstract

The utility model discloses a kind of cooking apparatus, actuation component including pedestal (200), the distal end relative to pivot section for can be opened and closed to be pivotally mounted to lid (100) on pedestal, pivoting spring (1) and pedestal and lid being arranged in, it is attracted component and is used for magnetic folding lid and including magnet (3) and iron core stick (4), the distal end of pedestal is arranged in one of magnet and iron core stick, the distal end of lid is arranged in another one, and magnet is by magnetic iron core stick with sealed lid；Wherein, under the closing lid state of lid, relative to the pivot hinge joint between lid and pedestal, the reset torque M2 for pivoting spring is less than actuation the sum of the torque M3 and the center of gravity torque M1 of lid of the magnetic adhesion between magnet and iron core stick, and meet M3- (M2-M1) > 0.2Nm, to achieve the purpose that overcome the lid of internal pressure self-locking.The open and close cover structure of the cooking apparatus of the utility model is simple, easy to assembly, parameter designing is reasonable, folding lid control is accurate, convenient for the user to operate.

Description

Cooking apparatus

Technical field

The utility model relates to household appliance technical fields, and in particular, to a kind of cooking apparatus.

Background technique

In the household appliances such as electric cooker, be fastened on cooker body in order to facilitate upper cover, it will usually design a set of locking closure mechanism into Row lock, this locking closure mechanism are usually the mechanical snap lock structure such as push type latching device.

The mechanical snap lock structure Structure of need added on product is compact, occupies little space, in case excessive influence Product appearance, but more or less all make product appearance more complicated, affect product design.

In addition, the smooth operation in order to guarantee folding lid, mechanical snap lock structure not only needs size small, but also ruler It is very little to do very accurate, phenomena such as otherwise just now will threading off or close not upper cover, it directly affects user and uses.

In addition, mechanical snap lock button is generally arranged on lid, when user's operation, is also easy to be scalded by high-temperature steam Hand.

Utility model content

The purpose of the utility model is to provide a kind of cooking apparatus, open and close cover structure is simple, at low cost, and control is accurate, And it is convenient for the user to operate.

To achieve the goals above, the utility model provides a kind of cooking apparatus, including pedestal and lid, and the lid can It is pivotally mounted on the pedestal to folding, the cooking apparatus further include:

Spring is pivoted, the pivot section between the pedestal and lid is set；With

It is attracted component, including first is attracted part and the second actuation part, described first, which is attracted part and described second, is attracted in part One of setting in the pedestal, in the lid, described first is attracted part and the second actuation part is attracting for another one setting The lid is locked on the pedestal；

Wherein, under the closing lid state of the lid, relative to the pivot hinge joint between the lid and the pedestal, The reset torque M2 for pivoting spring be less than the actuation torque M3 of magnetic adhesion between the magnet and iron core stick with it is described The sum of center of gravity torque M1 of lid, and further meet M3- (M2-M1) > 0.2Nm.

Further, meet M3- (M2-M1) > 1Nm.

Further, meet M3- (M2-M1) < 15Nm.

Preferably, the component that is attracted is for magnetic assembly and including the magnet for being attracted part as described first and equipped with institute The electromagnet circuit of the electromagnet of the second actuation part is stated, the electromagnet includes iron core stick and the conduction for being wound in the iron core stick Winding.

Preferably, the electromagnet circuit includes opening for switching the electric current commutation for the current direction for flowing through the electromagnet It closes, the current reverser enables to the electromagnet to generate the repulsion magnetic force relative to the magnet to open the lid Body, or switching generate the magnetic adhesion relative to the magnet so that the lid is self-locking.

Preferably, under the closing lid state of the lid and the conduction state of the electromagnet, relative to the pivot Hinge joint, the magnetic reprimand torque M4 and the reset torque for pivoting spring of the repulsion magnetic force between the magnet and the electromagnet The sum of M2 is greater than the center of gravity torque M1 of the lid.

Further, meet M4+M2-M1 > 1Nm.

Preferably, the electromagnet circuit is equipped with the circuit switch for controlling the electromagnet electrification.

Preferably, the iron core stick is that can lean on peri position relative to the magnet under the closing lid state of the lid Set the telescopic movable rod moved between separate location；

Wherein, near position is leaned on described, relative to the pivot hinge joint between the lid and the pedestal, the magnet The sum of center of gravity torque M1 for being attracted torque M3 and the lid of magnetic adhesion between iron core stick is greater than the pivot spring Reset torque M2 with the sealed lid；

The actuation torque M3 of magnetic adhesion between the separate location, the magnet and iron core stick and the lid The sum of center of gravity torque M1 is less than the reset torque M2 for pivoting spring to open the lid.

Preferably, the electromagnet circuit includes circuit switch, under the on state of the circuit switch, The iron core stick is from described close to being positioned against the mobile conductive winding to be further inserted into the electromagnet of the separate location It is interior.

Preferably, the electromagnet circuit includes the slide rheostat with slide switch in parallel with electromagnet, is passed through The slide switch is stirred to change the magnetic adhesion of the electromagnet Yu the magnet, makes it possible to lock or open the lid Body.

Preferably, above-mentioned electromagnet circuit includes the slide rheostat with slide switch in parallel with electromagnet, is passed through The slide switch is stirred to change the magnetic adhesion of the electromagnet Yu the magnet, makes it possible to lock or open the lid Body.

Preferably, the electromagnet is alternating electromagnet.

Preferably, the magnet can also be electromagnet.

Further preferably, the actuation component is described to cook for magnetic assembly and including the first magnetic absorption member and the second magnetic absorption member Utensil of preparing food further include every magnetic assembly, it is described every magnetic assembly include every the antifreeze plate of magnetic material and with reset spring every magnetic by Button, it is described the antifreeze plate to be driven to protrude into first magnetic absorption member and the second magnetic absorption member under the state that is pressed every magnetic button Between to inhibit magnetic.

Preferably, the cooking apparatus is electric cooker, and the lid is rectangular profile, and the rectangular profile includes successively connecting The first rectangular edges, the second rectangular edges, third rectangular edges and the 4th rectangular edges connect, the pivot between the lid and the pedestal Hinge joint is formed in the midpoint of first rectangular edges, the middle point for being attracted component and the third rectangular edges being arranged in It sets and/or the symmetric positions of second rectangular edges and the 4th rectangular edges is arranged in the component that is attracted.

In cooking apparatus according to the present utility model, replace conventional mechanical snap lock knot using component is attracted Structure, two magnet units for being attracted component can be separately positioned on lid and pedestal, need to be only aligned upper and lower position when covering conjunction.Cause This, the structure for being attracted component is simple, easy to assembly, manufactures and assembles without high-precision, product appearance is nor affected on after assembling, more It is convenient for the user to operate, only need operating buttons control magnetic or magnetic reprimand effect that folding lid can be realized.In this structure basis, pass through Optimal Parameters design etc., can reach that good lid is self-locking and automatic lid closing/opening effect, and energy saving, prolong the service life.

Other features and advantages of the utility model will the following detailed description will be given in the detailed implementation section.

Detailed description of the invention

Attached drawing is to be used to provide a further understanding of the present invention, and constitute part of specification, and following Specific embodiment be used to explain the utility model together, but do not constitute limitations of the present invention.In the accompanying drawings:

Fig. 1 is the schematic diagram according to the cover opening-closing mechanism of the cooking apparatus of first preferred embodiment of the utility model；

Fig. 2 is the schematic diagram according to the cover opening-closing mechanism of the cooking apparatus of second preferred embodiment of the utility model；

Fig. 3 be cooking apparatus shown in Fig. 2 it is anti-uncap the stage (Gai Zisuo) cover opening-closing mechanism schematic diagram；

Fig. 4 is schematic diagram of the cooking apparatus shown in Fig. 2 in the cover opening-closing mechanism for needing the stage of uncapping；

Fig. 5 is structural schematic diagram of the cooking apparatus shown in Fig. 2 after uncapping；

Fig. 6 be according to the schematic diagram of the cover opening-closing mechanism of the cooking apparatus of the third preferred embodiment of the utility model, The torque analysis of the cover opening-closing mechanism in anti-stage of uncapping is illustrated in figure；

Fig. 7 illustrates cooking apparatus shown in fig. 6 in the torque analysis for the cover opening-closing mechanism for needing the stage of uncapping；

Fig. 8 is the schematic diagram according to the cover opening-closing mechanism of the cooking apparatus of the 4th preferred embodiment of the utility model；

Fig. 9 is the partial enlarged view of the actuation components in Fig. 8；

Figure 10 is cooking apparatus shown in Fig. 8 in the structural schematic diagram for needing the stage of uncapping；

Figure 11 is the partial enlarged view of the actuation components in Figure 10；

Figure 12 is structural schematic diagram of the cooking apparatus shown in Fig. 8 after uncapping；

Figure 13 to Figure 15 is the cover opening-closing mechanism according to the cooking apparatus of the 5th preferred embodiment of the utility model Schematic diagram successively illustrates the process before magnetic button keys, after key and after uncapping；

Figure 16 illustrates each feasible setting position of the actuation component in electric cooker；With

Figure 17 is a kind of circuit diagram of exemplary current reverser.

Description of symbols

1 pivots 2 pivotal axis of spring

3 magnet, 4 iron core stick

5 circuit switch, 6 antifreeze plate

7 every 8 slide rheostat of magnetic button

9 linked switches

41 stub end OO ' pivot hinge joint

100 lid, 200 pedestal

P1~P5 is attracted component and position is arranged

Specific embodiment

Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.

In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, top, bottom " is usually Be for direction shown in the drawings either for it is vertical, vertically or on gravity direction for each component mutual alignment Relationship description word.

The utility model provides a kind of Novel cooking utensil, and referring to Fig. 1, which includes pedestal 200 and lid 100, lid 100 can be opened and closed to be pivotally mounted on pedestal 200.Wherein, the pivot section between pedestal 200 and lid 100 Equipped with the pivot spring 1 (such as torsional spring etc.) being set on pivotal axis 2, pedestal 200 and lid 100 relative to pivot section Distal end be equipped with the actuation component for magnetic folding lid.

Actuation component for folding lid control may include the first actuation part and second is attracted part, and first is attracted part and second The setting of one of part is attracted in pedestal 200, another one setting in lid 100, first be attracted part and the second actuation part it is attracting with Lid 100 is locked on pedestal 200.This attracting mode for being attracted component also there are many, such as can be vacuum engagement mode, It is also possible to the following magnetic attracting mode etc. that will carefully state.

Obviously, actuation component is used in the utility model product replaces traditional mechanical snap lock structure.It is attracted Component without structure cooperation, without directly contacting, the accuracy of manufacture, assemble accuracy of form and position etc. require it is low, or even be not limited to it is exposed, It can be made into and hide oneself in the concealed design in product ontology, not influence product appearance completely.

In a kind of embodiment shown in Fig. 1, only magnet need to be installed respectively in the respective distal end of lid 100 and pedestal 20 3, can simple realization magnetic fasten, wherein first be attracted part and second be attracted part be magnet 3.In closing lid, pass through magnet 3 Between magnetic attraction realize lid it is self-locking.When needing to uncap, need to only be uncapped by the way that manpower is manually operated.

Magnet 3 is not limited to permanent magnet, is also possible to adjustable electromagnet of magnetic attraction etc..As shown in Fig. 2, another one is implemented The actuation component of mode includes the magnet 3 for being attracted part as first and the electromagnet with the iron core stick 4 for being attracted part as second The distal end of pedestal 200 is arranged in circuit, one of magnet 3 and electromagnet circuit, and the distal end of lid 100 is arranged in another one, Magnet 3 is by magnetic iron core stick 4 with sealed lid 100.Wherein, there are magnetic attractions between magnet 3 for iron core stick 4 itself, pass through After being electrically conductive forming electromagnet, magnetic attraction can be increased, it is also possible to forming tooth repulsion.It can further be returned in this way by electromagnet Realize automatic open close cover in road.For example, uncapping the stage in the anti-of Fig. 3, need to realize that lid is self-locking, thus make electromagnet and magnet it Between generate the magnetic attraction of enhancing, i.e., Fa shown in arrow in figure.It is shown in Fig. 4 to need the stage of uncapping, then to turn electromagnet Polarity, so that magnetic repulsion Fb is generated between electromagnet and magnet, it is as shown in Figure 5 after automatic lid closing/opening with automatic lid closing/opening.

As shown in Fig. 2, electromagnet circuit is equipped with circuit switch 5, for controlling whether electromagnet charges.When circuit is logical It disconnects pass 5 to press, when so that generating the magnetic attraction of enhancing between electromagnet and magnet, which constitutes lid certainly Lock-switch button.When circuit switch 5 is pressed, when so that generating the magnetic repulsion of enhancing between electromagnet and magnet, the circuit On-off switch 5 constitutes lid-opening button.

In general, the power supply of electromagnet circuit electrical connection cooking apparatus, i.e. generally alternating electromagnet.Certainly, electromagnet returns Road can also be self-powered, such as power-supply battery, constitutes DC electromagnet.Those skilled in the art understand thoroughly, alternating electromagnet Have the characteristics that suction is more constant, but attracting process can generate slight vibration, the winding coil of electromagnet is possible to overheat.Directly Galvanic electricity magnet then will not generate vibration in attracting process, and coil will not overheat, but suction is a cumulative process.Therefore, electromagnet Energization form respectively have advantage and disadvantage, specific design is needed according to specific product, it is no longer excessive herein to discuss.

In the power supply of electromagnet circuit electrical connection cooking apparatus, if product no power, dependent on magnet 3 and iron core stick 4 the suction-combining force realizes that lid is self-locking, opens lid 100 by manpower.If product is powered, can be further enhanced by electromagnet It is self-locking, by the polarity reversing of electromagnet, realize automatically opening for lid 100.

Wherein, AC power source or DC power supply are either connected, electromagnet circuit is preferably included to be flowed through for switching The current reverser of the current direction of electromagnet, the commutation of in due course electromagnet polarity reversing when realizing folding lid, i.e. electric current Switch enables to electromagnet to generate the repulsion magnetic force relative to magnet 3 to open lid 100, or switching is generated relative to magnet 3 magnetic adhesion is so that lid 100 is self-locking.This current reverser can be by the program setting of power control unit come real It is existing, it can also be realized by simple gapping switch circuit, as shown in figure 17, in a kind of example, two linked switches 9 are constituted Current reverser can realize the flow direction switching of electromagnet in conjunction with bridgt circuit.Therefore current reverser it is outer it is aobvious can be with It is physical switches, is also possible to virtual display button of display screen etc., these is all the public affairs that those skilled in the art understand that Know common sense, it is not described in detail herein.

Particularly, it is adjusted to further realize the size gradual change of magnetic attraction or magnetic repulsion, facilitates self-locking or automatic lid closing/opening, it can Change the size of current in electromagnet circuit.Likewise, those skilled in the art it can be appreciated that, this size of current is adjusted It can be realized by various simple external circuits or controller controls.In a kind of specific embodiment of the utility model, such as Shown in Fig. 6, Fig. 7, electromagnet circuit includes the slide rheostat 8 with slide switch in parallel with electromagnet, by stirring Slide switch makes it possible to lock or open lid 100 to change the magnetic adhesion of electromagnet Yu magnet 3.In this way, in combination with sliding Dynamic rheostat 8 adjusts control with the gradual change for realizing electromagnetism the suction-combining force by changing electric current.

As shown in Fig. 8 to Figure 12, in another preferred embodiment of the utility model, iron core stick 4 is preferably capable Relative to magnet 3 by the Telescopic movable rod that is moved between near position and separate location, under the closing lid state of lid 100, Leaning near position, iron core stick 4 and the magnetic attraction of magnet 3 are larger, and lid 100 is in closing lid state, in separate location, iron core stick 4 and The magnetic attraction of magnet 3 weakens, and lid 100 can pivotally open automatically, until state after uncapping shown in Figure 12.In this way, can pass through The parameter designings such as shift motion, the spacing of iron core stick 4 are designed, automatic locking closure is completed well, uncaps.

Specifically, Fig. 8, it is shown in Fig. 9 lean near position, the minimum spacing of iron core stick 4 and magnet 3 is a, relative to lid Pivot hinge joint between 100 and pedestal 200, it should be ensured that the actuation torque and lid of the magnetic adhesion between magnet 3 and iron core stick 4 The sum of center of gravity torque of body 100 is greater than the reset torque for pivoting spring 1, to realize that lid is sealed；And shown in Figure 10, Figure 11 Separate location, the minimum spacing of iron core stick 4 and magnet 3 expands as b, it should be ensured that the magnetic adhesion between magnet 3 and iron core stick 4 The sum of the center of gravity torque for being attracted torque and lid 100 be less than the reset torque for pivoting spring 1, to automatically open lid 100.It beats It uncaps after body 100, as shown in figure 12, iron core stick 4 therein is reset to Fig. 8, iron core stick shown in Fig. 9 position again.

Make the cooperation movement of iron core stick 4 to realize folding lid, in one implementation, cooking apparatus may include having to dial The lever body (not shown) of lever switch, when triggering deflector rod switch, lever body stirs iron core stick 4 from by near position To separate location, i.e., by external force moving iron core stick 4 far from magnet 3.In this way, deflector rod switch is configured to lid-opening button.In general, iron Plug 4 is arranged in lid 100, as shown in figure 8, deflector rod switch can also be correspondingly disposed on the cover of lid 100 at this time, side Just user's pressing operation.

Above iron core stick 4 can be individual iron staff or iron block.Further, being attracted component may include being equipped with electromagnet Electromagnet circuit, as shown in figure 9, electromagnet includes iron core stick 4 and the conductive winding for being wound in iron core stick 4.At this point, iron core stick 4 may make iron core stick 4 by magnetic with automatic separate magnet 3, from Fig. 9 state in the conductive state for the inductive iron core of electromagnet Change to Figure 11 state.At this point, electromagnet circuit includes the circuit switch 5 as iron core stick Mobile control valve, in circuit Under the on state of on-off switch 5, iron core stick 4 is positioned against separate location movement from close to be further inserted into conductive winding It is interior.Further, under the on state of circuit switch 5, electromagnet can also be allowed to generate the repulsion magnetic relative to magnet 3 Power is more advantageous to and opens lid 100.Wherein preferably, iron core stick 4 is formed as by proximal end convenient for magnetic relative to magnet 3 Stub end 41.

In another preferred embodiment of the utility model as shown in FIG. 13 to 15, also it is additionally arranged every magnetic assembly, This can be pushed between magnetic absorbing mass and lower magnetic absorbing mass (i.e. every the antifreeze plate 6 that magnetic assembly includes mobile setting, the antifreeze plate 6 First is attracted part is attracted between part to second) or remove with corresponding control opening or be attracted lid 100.This opening every magnetic assembly Box cover control mode, compared to above-mentioned electromagnet pole reversing mode, cost is more cheap, operates also simple and convenient.

Wherein, it is controllably to protrude between upper magnetic absorbing mass and lower magnetic absorbing mass to block or reduce two every the effect of magnetic assembly Magnetic attraction between person, to achieve the purpose that control is uncapped.

It specifically, as shown in figure 13, should include being connected every magnetic button 7 every magnetic button 7 with reset spring every magnetic assembly Antifreeze plate 6 simultaneously can drive antifreeze plate 6 to protrude between upper magnetic absorbing mass and lower magnetic absorbing mass to inhibit magnetic under button press state. It after the opening of lid 100, as shown in figure 15, unclamps after magnetic button 7, is smoothly reset to and is pressed by reset spring every magnetic button 7 State before pressing.

Wherein, antifreeze plate 6 can be inserted between upper and lower magnetic absorbing mass in the form of sheets, but consider better magnetism isolating effect, figure The antifreeze plate 6 shown is preferably formed to frame structure open at one end, under the button press state every magnetic button 7, upper magnetic Body or lower magnetic absorbing mass are limited in frame structure by completely frame.

Antifreeze plate 6 can be it is any can hinder magnetic or press down magnetic material, usually can be selected for example aluminium, aluminum alloy sheet, Stainless steel sheet material or copper sheet material etc..

Since the needs of lid 100 pivotally open, every magnetic button 7 as case of uncapping, it is preferably provided at pedestal 200, As shown in figs. 13 and 14, lid is touched when can prevent from uncapping in this way, high-temperature steam is avoided to scald one's hand.

It should be noted that magnetic pole is presented under closing lid state to upper magnetic absorbing mass shown in figure 15 and lower magnetic absorbing mass in Figure 13 Attracting state.Upper and lower magnetic absorbing mass can be that any one of permanent magnet or upper magnetic absorbing mass and lower magnetic absorbing mass are permanent magnetism Iron, another one are iron block.Moreover, any one of upper magnetic absorbing mass and lower magnetic absorbing mass can also be electromagnet, such as connection exchange The alternating electromagnet of power supply.Circuit switch 5 can be preferably equipped in the electromagnet circuit of electromagnet, for controlling electromagnet Whether 5 charge.

It should be noted that circuit switch 5, current reverser, the slide switch of slide rheostat 8 and every magnetic Button 7 etc. can be separately formed lid-opening button switch, also may be used in combination, become lid-opening button stacked switch etc..

Above-mentioned actuation component can be applied in a plurality of types of cooking apparatus, especially in electric cooker, for pot lid with The folding lid and locking closure of cooker body control.When concrete application, electric cooker on the market etc. is mostly rectangular shape, as shown in figure 16, electricity The rectangular profile of rice cooker includes sequentially connected first rectangular edges, the second rectangular edges, third rectangular edges and the 4th rectangular edges, lid Pivot hinge joint between 100 and pedestal 200 is formed in the midpoint of the first rectangular edges, i.e., the pivot hinge joint OO ' in figure, It is attracted component and then may be provided at the midpoint of third rectangular edges and/or be attracted component and be arranged in the second rectangular edges and the 4th rectangle The symmetric position on side, such as the setting of actuation component position P1, P2, P3, P4, P5 in figure.

The various specific embodiments for the actuation component in food cooking are explained above.In specific application, right The design of each structural parameters need to specifically be set according to folding lid demand.

Referring to Fig. 6, under the closing lid state of lid 100, relative to the pivot hinge joint between lid 100 and pedestal 200 (i.e. hinge joint OO ' is pivoted shown in Figure 16) pivots the reset torque M2 of spring 1 less than the magnetic between magnet 3 and iron core stick 4 The sum of the center of gravity torque M1 of actuation the torque M3 and lid 100 of resultant force.In this way, can uncap the stage anti-, so that locking closure torque Greater than torque of uncapping, realize that lid is self-locking.

Specifically, the magnetic in various specific embodiments, when electromagnet no power, between magnet 3 and iron core stick 4 It is relatively small with joint efforts, but should be able to also realize that lid is self-locking.To ensure the self-locking security reliability of lid, need to propose locking closure torque Surplus design out, such as meet M3- (M2-M1) > 1Nm, the internal pressure etc. that can meet cooking apparatus in this way causes lid to automatically open.

When there are electromagnet circuit, the conductive winding for being wound in iron core stick 4 enhances magnetic adhesion, and conductive electromagnet increases Strong lid self-locking property, can more meet the surplus design of above-mentioned locking closure torque.But in order to improve magnetic induction efficiency, in electromagnet Conduction state under, preferably meet: M3- (M2-M1) < 15Nm extends the electrical part longevity to help to realize the low-power consumption of product Life.

Referring to Fig. 7, the stage of uncapping is needed under closing lid state, can be switched by current reverser and flow through electromagnet Current direction, so that electromagnet generates the repulsion magnetic force relative to magnet 3 to open lid 100.In this situation, when in lid Repulsion magnetic force when the closing lid state and electromagnet conduction of body 100, relative to pivot hinge joint, between magnet 3 and electromagnet Magnetic reprimand torque M4 and pivot spring 1 the sum of reset torque M2 be greater than it is upward in center of gravity the torque M1, i.e. Fig. 7 of lid 100 Torque is greater than downward torque, openable lid 100.Further, it is contemplated that the internal pressure that cooking apparatus generates when working needs to meet M3- (M2-M1) is at least more than internal pressure, such as meets M3- (M2-M1) > 0.2Nm.

Likewise, need to propose surplus design to torque of uncapping, such as need to meet M4+M2-M1 for the reliability for ensuring to uncap > 1Nm, to prevent, unexpected vibration or collision from causing to uncap or because excessive internal pressure etc. causes lid to automatically open.

According to the above torque analysis, corresponding torsional spring, magnet etc. purposefully can be selected according to design parameter, to reach In accordance with the folding lid control of design requirement.

To sum up, the utility model devises a kind of novel magnetic locking mechanism for folding lid, can be applied to electric cooker In equal products.By the magnet attracting mode of upper and lower magnet, when the lid in certain operation sequences (such as washing a meter process) cannot be by When opening, it is self-locking lid can be reached by closing lid magnetic mode.When needing to open lid, it is only necessary to for example, by traditional simple Button-pressing way can quickly reduce magnetic adhesion, guarantee that lid is safely opened, and not will increase too many product cost, and It can be hidden in lid and pedestal, not influence product appearance completely.

Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail in conjunction with attached drawing above Detail in above embodiment can be to the skill of the utility model in the range of the technology design of the utility model Art scheme carries out a variety of simple variants, such as the part of magnetic locking mechanism being located in lid can be located at the portion in pedestal with it Divide and exchanges；What electromagnet was not limited to illustrate is arranged on lid, may also be arranged on the magnetic on pedestal or even on lid and pedestal Body can be set as electromagnet, and the size of current control of electromagnet is also not necessarily limited to slide rheostat mode, again may be by outside The suitable size of electric current feed unit dispensing electric current, such, these simple variants belong to the protection of the utility model Range.

It is further to note that specific technical features described in the above specific embodiments, in not lance It in the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the utility model is to each No further explanation will be given for the possible combination of kind.

In addition, any combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.

Claims (15)

1. a kind of cooking apparatus, including pedestal (200) and lid (100), the lid (100) can be opened and closed to be pivotally mounted to institute It states on pedestal (200), which is characterized in that the cooking apparatus further include:

It pivots spring (1), the pivot section being arranged between the pedestal (200) and lid (100)；With

It is attracted component, including first is attracted part and the second actuation part, described first is attracted one in part and the second actuation part Person's setting is in the pedestal (200), and in the lid (100), described first, which is attracted part and described second, is attracted for another one setting Part is attracting the lid (100) is locked on the pedestal (200)；

Wherein, under the closing lid state of the lid (100), relative between the lid (100) and the pedestal (200) Hinge joint is pivoted, the reset torque M2 for pivoting spring (1) is less than described first and is attracted the suction that part is attracted part with described second The sum of the center of gravity torque M1 of torque M3 and the lid (100) are closed, and meets M3- (M2-M1) > 0.2Nm.

2. cooking apparatus according to claim 1, which is characterized in that M3- (M2-M1) > 1Nm.

3. cooking apparatus according to claim 1, which is characterized in that M3- (M2-M1) < 15Nm.

4. cooking apparatus according to any one of claims 1 to 3, which is characterized in that the actuation component is magnetic Component and including as it is described first be attracted part magnet (3) and equipped with as it is described second be attracted part electromagnet electromagnetism Iron circuit, the electromagnet include iron core stick (4) and the conductive winding for being wound in the iron core stick (4).

5. cooking apparatus according to claim 4, which is characterized in that the electromagnet circuit includes flowing through institute for switching State the current reverser of the current direction of electromagnet, the current reverser enable to the electromagnet generate relative to The repulsion magnetic force of the magnet (3) is to open the lid (100), or switching generates the magnet attraction relative to the magnet (3) Power is so that the lid (100) is self-locking.

6. cooking apparatus according to claim 5, which is characterized in that closing lid state and institute in the lid (100) Repulsion magnetic under the conduction state for stating electromagnet, relative to the pivot hinge joint, between the magnet (3) and the electromagnet The sum of magnetic reprimand torque M4 and the reset torque M2 for pivoting spring (1) of power are greater than the center of gravity torque M1 of the lid (100).

7. cooking apparatus according to claim 6, which is characterized in that M4+M2-M1 > 1Nm.

8. cooking apparatus according to claim 4, which is characterized in that the electromagnet circuit is equipped with for controlling the electricity The circuit switch (5) of magnet electrification.

9. cooking apparatus according to claim 8, which is characterized in that the iron core stick (4) is can be in the lid (100) under closing lid state relative to the magnet (3) by the telescopic movable rod that is moved between near position and separate location；

Wherein, near position is leaned on described, relative to the pivot hinge joint between the lid (100) and the pedestal (200), institute State the sum of the actuation torque M3 of the magnetic adhesion between magnet (3) and iron core stick (4) and the center of gravity torque M1 of the lid (100) Greater than the reset torque M2 for pivoting spring (1) with the sealed lid (100)；

The actuation torque M3 and the lid of magnetic adhesion between the separate location, the magnet (3) and iron core stick (4) (100) the sum of center of gravity torque M1 is less than the reset torque M2 for pivoting spring (1) to open the lid (100).

10. cooking apparatus according to claim 9, which is characterized in that the electromagnet circuit includes circuit switch (5), under the on state of the circuit switch (5), the iron core stick (4) is from described close to being positioned against far from described Position is mobile to be further inserted into the conductive winding of the electromagnet.

11. cooking apparatus according to claim 4, which is characterized in that the electromagnet circuit includes in parallel with electromagnet The slide rheostat (8) with slide switch, by stirring the slide switch to change the electromagnet and the magnet (3) magnetic adhesion makes it possible to lock or open the lid (100).

12. cooking apparatus according to claim 4, which is characterized in that the electromagnet is alternating electromagnet.

13. cooking apparatus according to claim 4, which is characterized in that the magnet (3) is electromagnet.

14. cooking apparatus according to any one of claims 1 to 3, which is characterized in that the actuation component is magnetic Component and including the first magnetic absorption member and the second magnetic absorption member, the cooking apparatus further include every magnetic assembly, it is described to include every magnetic assembly Every the antifreeze plate (6) of magnetic material and with reset spring every magnetic button (7), it is described shape to be pressed every magnetic button (7) The antifreeze plate (6) is driven to protrude between first magnetic absorption member and the second magnetic absorption member to inhibit magnetic under state.

15. cooking apparatus according to claim 1, which is characterized in that the cooking apparatus is electric cooker, the lid (100) be rectangular profile, the rectangular profile include sequentially connected first rectangular edges, the second rectangular edges, third rectangular edges and 4th rectangular edges, the pivot hinge joint between the lid (100) and the pedestal (200) are formed in first rectangular edges Midpoint, the midpoint of the third rectangular edges is arranged in for the actuation component and/or the actuation component is arranged in institute State the symmetric position of the second rectangular edges and the 4th rectangular edges.