CN209436943U - Caliper brake pressure cooking appliance - Google Patents

Abstract

The utility model discloses caliper brake pressure cooking appliances, belong to cooking appliance field, solves clamp resetting structure poor reliability in existing caliper brake pressure cooker, the problems such as influencing using effect, the caliper brake pressure cooking appliance of the utility model, including pot and pot cover, pot cover, which is covered in pot body, forms cooking cavity, pot cover includes upper lid and inner cover, pot body is equipped with buckling parts, upper cover is equipped with driving device and at least a pair of openable and closable clamp, the driving device drives the clamp folding, so that unlocked state switching of the clamp in the lock state of the sealed inner cover and the buckling parts and the release buckling parts, the clamp float up and down with the cooking cavity pressure change, the upper cover is equipped with limiting section, boss is equipped with corresponding to the lower section of the limiting section on the clamp, under the lock state, the boss and institute It states limiting section to be staggered, under the unlocked state, the boss and the limiting section cooperate to limit the floating stroke of the clamp.

Description

Caliper brake pressure cooking appliance

[technical field]

The utility model relates to cooking appliance field more particularly to caliper brake pressure cooking appliances.

[background technique]

Pressure cooking appliance (such as electric pressure cooking saucepan) can be divided into screw fastening type and two kinds of caliper brake by folding lid mode difference, existing Screw fastening type pressure cooking appliance, in closing lid, by the rotation of retainer in pot cover or pot cover, so that pot tooth and lid teeth are mutually detained It closes, when uncapping, by the reverse rotation of retainer in pot cover or pot cover, so that pot tooth and lid teeth are staggered, this screw fastening type pressure The folding lid resistance of pressure cooking apparatus is larger, and is easy to appear the problems such as sealed not in place, the more difficult grasp folding lid position of user, Operating experience is poor.

Existing caliper brake pressure cooking appliance is that a pair of openable and closable clamp are arranged on pot cover, when this is closed clamp, The pot edge of liner (or insulation cover) is clamped by clamp in the inner cover and pot body of pot cover, and realization is sealed, when this opens clamp Liner is discharged, realizes unlock, in contrast, the folding lid operation of caliper brake pressure cooking appliance is more convenient, compensates for spinner The deficiency of formula pressure cooking appliance folding lid difficulty.Nonetheless, in place of existing caliper brake pressure cooking appliance still has much room for improvement, Such as: it is accompanied by and floats up and down in clamp moving process, this just needs to control the floating stroke of clamp, otherwise in closing lid Clamp can be interfered with the pot edge of liner and can not be closed, and the prior art generally uses spring that clamp is assisted to reset, that is, be worked as When clamp open, spring provides the active force that moves down of clamp and falls clamp after rise, when guaranteeing closure clamp next time will not with it is interior The pot edge of gallbladder interferes, this requires considering the size of its elastic force when selecting spring, if the spring force of selection is excessive, The translatory resistance that will increase clamp influences clamp folding feel, if the spring force of selection is too small, clamp can shake when moving Dynamic, stability is poor；In addition, since the force direction of spring with pot cover is opposite, the two by the direction of gas pressure in pot It acts on clamp simultaneously, reduces the fastening intensity of clamp Yu liner pot edge, use of seat belts to product and carry out hidden danger, therefore having must It improves.

[utility model content]

A kind of caliper brake pressure is provided the technical problem to be solved by the utility model is to overcome the deficiencies in the prior art Pressure cooking apparatus effectively controls clamp floating row journey, guarantees safety in utilization on the basis of not influencing clamp folding feel.

In order to solve the above technical problems, the utility model adopts the following technical solution:

Caliper brake pressure cooking appliance, including pot and pot cover, the pot cover are covered in the pot body and form cooking cavity, The pot cover includes upper lid and inner cover, and the pot body is equipped with buckling parts, and the upper cover is equipped with driving device and at least a pair can be opened The clamp of conjunction, the driving device drives the clamp folding, so that the clamp are in the sealed inner cover and the buckling parts Lock state and discharge the unlocked state switching of the buckling parts, the clamp with the cooking cavity pressure change on float downward Dynamic, the upper cover is equipped with limiting section, and the lower section that the limiting section is corresponded on the clamp is equipped with boss, the lock state Under, the boss is staggered with the limiting section, and under the unlocked state, the boss and limiting section cooperation are described to limit The floating stroke of clamp.

In above-mentioned caliper brake pressure cooking appliance, under the unlocked state, the floating stroke of the clamp is H1, institute It states under lock state, the floating stroke of the clamp is H2, H1 < H2.

In above-mentioned caliper brake pressure cooking appliance, the spacing of the clamp upper surface and the limiting section is H3, H3 > H2.

In above-mentioned caliper brake pressure cooking appliance, under the unlocked state, the boss upper surface and the limit Gap is equipped between portion.

In above-mentioned caliper brake pressure cooking appliance, on the clamp along its open and close direction be equipped with pilot hole, it is described on It is covered with guide post, the guide post runs through the pilot hole, and the limiting section is the spacing shim for being mounted on the guide post.

In above-mentioned caliper brake pressure cooking appliance, the boss is upward by the clamp upper surface around the pilot hole It extends to form, and the boss is set as arc close to upper cover center side along the pilot hole.

In above-mentioned caliper brake pressure cooking appliance, the clamp upper surface around the pilot hole be additionally provided with it is described convex The sloping platform of platform connection, the sloping platform tilt from high to low away from the upper cover center position；Or the limiting section is to institute It states upper cover center position and extends guide part from low to high.

In above-mentioned caliper brake pressure cooking appliance, the limiting section is to correspond to above the boss on the upper lid Position is recessed the limiting slot to be formed, and is additionally provided with the escape groove being connected to the limiting slot on the upper lid, under the lock state, The boss is moved in the escape groove, under the unlocked state, the boss be moved in the limiting slot and with it is described Limiting slot bottom surface is to limit the floating strokes of the clamp.

In above-mentioned caliper brake pressure cooking appliance, the depth of the escape groove is greater than the depth of the limiting slot, institute It states evacuation groove bottom and is connect with the limit groove bottom using chamfered transition.

In above-mentioned caliper brake pressure cooking appliance, the pot body includes insulation cover and is placed in the insulation cover Liner, the buckling parts are the outwardly extending flange of insulation cover oral area.

The utility model has the beneficial effects that

The caliper brake pressure cooking appliance of the utility model, including pot and pot cover, the pot cover are covered on the pot body Upper formation cooking cavity, the pot cover include upper lid and inner cover, the pot body be equipped with buckling parts, the upper cover be equipped with driving device and At least a pair of openable and closable clamp, the driving device drives the clamp folding, so that the clamp are in the sealed inner cover With the unlocked state switching of the lock state and the release buckling parts of the buckling parts, the clamp are with the culinary art cavity pressure Change and float up and down, the upper cover is equipped with limiting section, and the lower section that the limiting section is corresponded on the clamp is equipped with boss, institute It states under lock state, the boss is staggered with the limiting section, and under the unlocked state, the boss and the limiting section cooperate To limit the floating stroke of the clamp.

After driving device drives this to be closed clamp, pot cover, which is locked in pot body, forms cooking cavity, upper pressure in cooking cavity Afterwards, pressure acts on pot cover and inner cover is pushed to float upwards, and since inner cover and buckling parts are sealed by clamp, inner cover also be will push Clamp float, until clamp and buckling parts fasten, because boss and the upper cover limiting section of clamp are staggered, in card under lock state Pincers float until with buckling parts fastening process, other than clamp self gravity, do not contradict the active force of clamp floating, reduce Clamp floating resistance, and fasten clamp pressure in cooking cavity reliably under with buckling parts, improve safety in utilization.

After culinary art terminates and allows to uncap, driving device drives this to open clamp, and boss is mobile with clamp and is in limit Below the portion of position, since clamp discharge buckling parts, pot cover, that is, openable and be detached from pot body；If sealed pot cover again under hot, card Pincers may be because that hot gas is acted on and can not be fallen completely, but since the cooperation of boss and limiting section limits the upper floating of clamp Journey, namely define the float cap position under clamp unlocked state, as long as guaranteeing to remain to when clamp are in float cap position Fastened with buckling parts, so that it may avoid the problem that it is hot it is lower can not sealed pot cover, while also avoiding using spring in the prior art Clamp are assisted to reset the problem of influencing folding lid feel and closing lid safety.

Under the unlocked state, the floating strokes of the clamp is H1, under the lock state, the upper floating of the clamp Journey is H2, H1 < H2.Floating stroke H1 refers to that clamp are floated upwards until boss and limiting section present position in complete fall Generated floating distance when offseting, floating stroke H2 refer to clamp present position in complete fall float to upwards clamp with Buckling parts generated floating distance when fastening；In this programme limit H1 < H2, that is to say, that: unlocked state lower caliper can not on Floating to position when being fastened with buckling parts, then would not also occur the feelings of clamp and buckling parts interference under hot when sealed pot cover Condition, and lock state then allows the stroke of clamp floating H2, to guarantee that clamp can be fastened with buckling parts after pressing on cooking cavity.

The spacing of the clamp upper surface and the limiting section is H3, H3 > H2.That is, clamp are in complete fall The distance of present position floating H3 upwards, just can make clamp upper surface offset with limiting section, and in the locked state, only allow card The distance for clamping floating H2, due to H3 > H2, after being pressed on cooking cavity, between remaining certain between clamp upper surface and limiting section Away from preventing culinary art cavity pressure from offseting by clamp and limiting section and be transferred to upper cover and lead to the deformation of upper cover.

Under the unlocked state, gap is equipped between the boss upper surface and the limiting section.Refer to clamp complete Present position when whereabouts, boss upper surface and limiting section are equipped with gap, and clamp normally open and close the contact of Shi Buyu limiting section, clamp Opening and closing movement is smooth, promotes folding feel.

Direction is opened and closed along it on the clamp and is equipped with pilot hole, and the upper cover is equipped with guide post, and the guide post runs through institute Pilot hole is stated, the limiting section is arranged in the guide post.Guidance clamp open and close movement is played in guide post and pilot hole cooperation Effect, by limiting section be arranged in guide post, not only facilitate installation, and also save limiting section be provided separately within upper cover its Installation cost needed for its position.

The boss is upwardly extended by the clamp upper surface around the pilot hole and is formed, and the boss is along described Pilot hole is set as arc close to upper cover center side.The boss and limiting section designed in this way has enough forced contact faces Product, the reliable limitation realized to clamp floating stroke, while also ensuring the intensity of boss, mitigate the compression deformation of boss.

Clamp upper surface around the pilot hole is additionally provided with the sloping platform connecting with the boss, the sloping platform away from The upper cover center position tilts from high to low.When culinary art terminates to uncap, clamp switch to unlocked state process from lock state, Limit position applies pressure on sloping platform, to provide the active force that clamp move downward, to guarantee clamp reliable reset.Alternatively, can also To be that the limiting section to the upper cover center position extends guide part from low to high, clamp switch to unlock from lock state In state procedure, guide part applies pressure on boss, to provide the active force that clamp move downward, to guarantee clamp reliable reset.

The limiting section is to correspond to the position above the boss on the upper lid to be recessed the limiting slot to be formed, the upper cover On be additionally provided with the escape groove being connected to the limiting slot, under the lock state, the boss is moved in the escape groove, institute It states under unlocked state, the boss is moved in the limiting slot and with the limiting slot bottom surface to limit the clamp Floating stroke.Boss is driven to move in the limiting slot of upper cover and escape groove when clamp open and close, boss and limiting slot, escape groove Cooperation is played the role of guiding clamp rectilinear translation, so as to avoid the aperture on clamp.

The depth of the escape groove is greater than the depth of the limiting slot, and the evacuation groove bottom is adopted with the limit groove bottom It is connected with chamfered transition.When culinary art terminates to uncap, clamp switch to unlocked state process, evacuation groove bottom and limit from lock state The chamfered transition position of position groove bottom applies pressure on boss, to provide the active force that clamp move downward, guarantees that clamp are reliably multiple Position.

These features and advantages of the utility model will the detailed exposure in following specific embodiment, attached drawing.

[Detailed description of the invention]

The utility model is described further with reference to the accompanying drawing:

Fig. 1 is the schematic perspective view of caliper brake pressure cooking appliance in the utility model embodiment one；

Fig. 2 is the assembling schematic diagram of upper cover and clamp in the utility model embodiment one；

Fig. 3 is the structural schematic diagram of clamp in the utility model embodiment one；

Fig. 4 is the clamp unlocked state schematic diagram of caliper brake pressure cooking appliance in the utility model embodiment one；

Fig. 5 is partial enlarged view at the A of Fig. 4；

Fig. 6 is that caliper brake pressure cooking appliance is partially schematic under clamp lock state in the utility model embodiment one Figure；

Fig. 7 is partial schematic diagram when pressing in caliper brake pressure cooking appliance closing lid in the utility model embodiment one；

Fig. 8 is that caliper brake pressure cooking appliance is partially schematic in hot lower closing lid in the utility model embodiment one Figure；

Fig. 9 is that caliper brake pressure cooking appliance is partially schematic under clamp unlocked state in the utility model embodiment two Figure；

Figure 10 is that part of the caliper brake pressure cooking appliance under clamp lock state shows in the utility model embodiment two It is intended to；

Figure 11 is partial schematic diagram when pressing in caliper brake pressure cooking appliance closing lid in the utility model embodiment two；

Figure 12 is that caliper brake pressure cooking appliance is partially schematic in hot lower closing lid in the utility model embodiment two Figure.

Appended drawing reference:

100 pot bodys, 110 liners, 120 insulation covers, 121 buckling parts；

200 pot covers, 210 upper covers, 211 guide posts, 212 covers, 213 lining lids, 214 limiting slots, 215 escape groove, in 220 Lid, 230 spacing shims；

300 clamp, 310 clamp arms, 311 pilot holes, 312 boss, 313 driving columns, 314 sloping platforms；320 caliper bodies, 321 Upper caliper plate, 322 upper caliper plates；

400 turntables, 410 diameter change tracks.

[specific embodiment]

The caliper brake pressure cooking appliance of the utility model, including pot and pot cover, the pot cover are covered on the pot body Upper formation cooking cavity, the pot cover include upper lid and inner cover, the pot body be equipped with buckling parts, the upper cover be equipped with driving device and At least a pair of openable and closable clamp, the driving device drives the clamp folding, so that the clamp are in the sealed inner cover With the unlocked state switching of the lock state and the release buckling parts of the buckling parts, the clamp are with the culinary art cavity pressure Change and float up and down, the upper cover is equipped with limiting section, and the lower section that the limiting section is corresponded on the clamp is equipped with boss, institute It states under lock state, the boss is staggered with the limiting section, is floated in clamp until with buckling parts fastening process, in addition to card It clamps outside self gravity, does not contradict the active force of clamp floating, reduce clamp floating resistance, and make clamp in culinary art cavity pressure Effect is lower reliably to be fastened with buckling parts, improves safety in utilization.Under the unlocked state, the boss and the limiting section cooperate To limit the floating stroke of the clamp, avoid the problem that it is hot under can not sealed pot cover, while also avoiding in the prior art The problem of influencing folding lid feel and closing lid safety is resetted using spring auxiliary clamp.

The technical solution of the utility model embodiment is explained below with reference to the attached drawing of the utility model embodiment and Illustrate, but following embodiments are only the preferred embodiment of the utility model, and not all.Based on the implementation example in the implementation mode, Those skilled in the art's obtained other embodiments without making creative work, belong to the utility model Protection scope.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of Describe the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " multiple " It is two or more, unless otherwise restricted clearly.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be Concrete meaning in the present invention.

In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it "lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above " One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only Indicate that first feature horizontal height is less than second feature.

Embodiment one

Referring to Fig.1-5, the caliper brake pressure cooking appliance that the utility model embodiment one proposes, including pot body 100 and pot Lid 200, pot cover 200, which is covered in pot body 100, forms cooking cavity, and pot cover 200 includes upper cover 210 and inner cover 220, and pot body 100 is wrapped The liner 110 for including insulation cover 120 and being placed in insulation cover 120,120 oral area of insulation cover extend outward flange, to form button Conjunction portion 121, above structure is usually used in electric pressure cooking saucepan.Upper cover 210 is equipped with a pair of openable and closable clamp 300 and driving clamp 300 The driving device of movement, clamp 300 include caliper body 320 and clamp arm 310, and caliper body 320 includes 321 He of upper caliper plate Lower caliper plate 322,310 one end connection clamp ontology 320 of clamp arm, 310 other end of clamp arm are equipped with driving column 313；Driving dress It sets including turntable 400,400 center rotating of turntable is connected in upper cover 210, and turntable 400 is equipped with diameter change track 410, variable diameter rail Road 410 and the spacing of 400 rotation center of turntable change along diameter change track 410, such as variable diameter is arranged in a manner of involute Track 410, driving column 313 are plugged on diameter change track 410 and can slide along diameter change track 410 is opposite, so that turntable 400 Rotary motion can be converted into the straight reciprocating motion of driving column 313 by diameter change track 410, namely drive 300 straight line of clamp past Multiple movement drives turntable 400 to rotate, can be realized makes this to clamp by external force (devices such as handle, motor) in actual use 300 opposite 200 centers of pot cover generate opening and closing movement.

For the linear translational motion for guaranteeing clamp 300, guide post 211, clamp arm are additionally provided in the upper cover 210 of the present embodiment Direction is opened and closed along it on 310 and is equipped with pilot hole 311, and guide post 211 runs through the pilot hole 311, guide post 211 and pilot hole 311 cooperations are played the role of guiding 300 open and close movement of clamp.To prevent from generating deflection, the present embodiment in 300 moving process of clamp Provided with three groups of guide posts 211 and pilot hole 311, i.e., three is arranged altogether in its center and its center two sides on clamp arm 310 and leads To hole 311, three guide posts 211 are correspondingly arranged in upper cover 210, to guarantee that clamp 300 steadily open and close.

Although the driving device of the present embodiment is illustrated with turntable, it is not limited thereto, driving device is also The modes such as existing known cam, gear can be used to drive clamp to act, and the driving methods such as cam, gear are also this field Known to technical staff, the present embodiment is no longer repeated.

The working principle of the present embodiment caliper brake pressure cooking appliance:

Referring to Fig. 4,5, after pot cover 200 is covered on pot body 100, clamp 300 are in the unlocked state；Driving device drives clamp When closure, clamp are moved to 200 center position of pot cover；Closing lid in place when, 121 (i.e. insulation cover of 220 edge of inner cover and buckling parts 120 flange) between upper caliper plate 321 and lower caliper plate 322, the pot edge of liner 110 is located at 220 edge of inner cover and heat preservation Between the flange of cover 120, sealing cooperation is realized by sealing ring between the pot edge and inner cover 220 of liner 110, i.e., as shown in Figure 6 State；In cooking cavity after upper pressure, pressure acts on pot cover and inner cover 220 is pushed to float upwards, due to inner cover 220 and buckling parts 121 is sealed by clamp, and inner cover 220 also will push clamp floating, until the lower caliper plate 322 and buckling parts 121 of clamp fasten, i.e., State as shown in Figure 7；After culinary art terminates and allows to uncap, driving device drives clamp to open, so that the release button of lower caliper plate 322 Conjunction portion 121, pot cover 200 is i.e. openable and is detached from pot body 100.

In the prior art for solve the problems, such as it is hot can not the scheme of closing lid be the pocketed springs in guide post, pass through gasket By spring retainer in guide post, the upper surface of lower spring end and clamp arm offsets, and spring upper end offsets with gasket.On cooking cavity It during pressure, is moved using the floating of spring buffer clamp, after pressure release is uncapped, clamp open, and spring provides the work that clamp move down It firmly falls clamp after rise, will not occur to do with buckling parts (to include the case where hot closing lid) when guaranteeing closure clamp next time It relates to, this requires considering the size of its elastic force when selecting spring, if the spring force of selection is excessive, will increase the flat of clamp Resistance is moved, influences clamp folding feel, if the spring force of selection is too small, clamp can shake when moving, and stability is poor；Separately Outside, be with the direction of gas pressure in cooking cavity due to the force direction of spring it is opposite, the two acts on clamp simultaneously, The fastening intensity for reducing clamp and buckling parts, uses of seat belts to product and carrys out hidden danger.

For the prior art using spring solve it is hot can not problems existing for closing lid, the present embodiment is in guide post Limiting section is arranged in 211 upper end, and the lower section that limiting section is corresponded on clamp arm 310 is equipped with boss 312, as shown in fig. 6, locking shape Under state, boss 312 is staggered with limiting section, is floated in clamp until with 121 fastening process of buckling parts, in addition to clamp self gravity Outside, do not contradict the active force of clamp floating, reduce clamp floating resistance, and under making clamp pressure being used in cooking cavity with buckle Conjunction portion 121 reliably fastens, and improves safety in utilization；After culinary art terminates and allows to uncap, driving device drives clamp to open, boss 312 with clamp movement and below limiting section, and since clamp discharge buckling parts 121, pot cover 200 is i.e. openable and is detached from pot body 100；As shown in figure 8, if sealed pot cover again under hot, since boss 312 and the cooperation of limiting section limit the upper of clamp Floating journey, namely define the float cap position under clamp unlocked state, as long as guarantee that clamp are in float cap position Its lower caliper plate 322 remains to and buckling parts 121 fastens, so that it may avoid the problem that it is hot under can not sealed pot cover, while also avoiding The problem of influencing folding lid feel and closing lid safety is resetted using spring auxiliary clamp in the prior art.

In order to which its lower caliper plate 322 remains to fasten with buckling parts 121 when guaranteeing that clamp are in float cap position, clamp solution Under lock status, the floating stroke of clamp is limited as H1, under clamp lock state, the floating stroke of clamp is limited as H2, meets H1 < H2.Floating stroke H1 refers to that clamp are floated upwards until when boss 312 and limiting section offset present position in complete fall Generated floating distance, floating stroke H2 refer to that clamp float to lower caliper plate 322 in present position in complete fall upwards Generated floating distance when being fastened with buckling parts 121；H1 < H2, that is to say, that: unlocked state lower caliper can not float up to down Position when clamp plate 322 and buckling parts 121 fasten, then would not also occur lower caliper plate under hot when sealed pot cover 200 322 the case where interfering with buckling parts 121, and lock state then allows the stroke of clamp floating H2, after guaranteeing to press on cooking cavity Lower caliper plate 322 can be fastened with buckling parts 121.

It is H3 that the present embodiment, which further defines the upper surface of clamp arm 310 and the spacing of limiting section, meets H3 > H2, that is, It says, the distance of clamp present position floating H3 upwards in complete fall can just make 310 upper surface of clamp arm and limiting section phase Support, and in the locked state, only allow the distance of clamp floating H2, due to H3 > H2, after being pressed on cooking cavity, clamp upper surface with A fixed spacing is remained between limiting section, is prevented culinary art cavity pressure from offseting by clamp and limiting section and is transferred to upper cover 210 And lead to the deformation of upper cover 210.And in the unlocked state, gap, i.e. clamp also are provided between 312 upper surface of boss and limiting section The present position in complete fall, 312 upper surface of boss and limiting section are equipped with gap, and clamp normally open and close Shi Buyu limiting section Contact, clamp opening and closing movement is smooth, promotes folding feel.

The limiting section of the present embodiment is the spacing shim 230 for being mounted on 211 upper end of guide post, in this way, clamp can first pacify It is attached in upper cover 210, guide post 211 runs through pilot hole 311, then passes through fastener (screw, rivet etc.) in 211 upper end of guide post Fixed spacing shim 230.Corresponding above-mentioned spacing shim 230, the boss 312 of the present embodiment is by the card around pilot hole 311 310 upper surface of tong arm upwardly extends to be formed, and boss 312 is set as arc close to 210 center side of upper cover along pilot hole 311 Shape, the boss 312 designed in this way and spacing shim 230 have enough forced contact areas, reliable to realize to clamp floating stroke Limitation, while also ensuring the intensity of boss 312, mitigate the compression deformation of boss 312.It, can to make clamp stress equalization Boss 312 is all set around three pilot holes 311, correspondingly, spacing shim 230 is also all installed in three 211 upper ends of guide post. Certainly, the purpose of Yao Shixian the present embodiment, spacing shim 230 is installed in any one or two guide post upper ends, right Boss is arranged around the pilot hole answered can also meet.

Referring to Fig. 5,7, clamp arm 310 upper surface of the present embodiment around pilot hole 311 is additionally provided with to be connect with boss 312 Sloping platform 314, which tilts from high to low away from 210 center position of upper cover.Culinary art terminates when uncapping, clamp from Lock state switches to unlocked state, and limit position applies pressure on sloping platform 314, to provide the active force that clamp move downward, with Guarantee clamp reliable reset.Certainly, in other embodiments, it is also possible to limiting section and extends from low to high to upper cover center position Guide part, during clamp switch to unlocked state from lock state, guide part applies pressure on boss, is transported downwards with providing clamp Dynamic active force, to guarantee clamp reliable reset.

The scheme according to the present embodiment, it is envisioned that boss also may be provided at other positions of clamp arm, and upper cover is also A connecting column can be separately provided for installing spacing shim 230, can equally reach the purpose of this utility model.

Embodiment two

Referring to Fig. 9,10, the present embodiment and embodiment one the difference is that: the limiting section of the present embodiment is on upper lid Position above corresponding boss is recessed the limiting slot to be formed, and the escape groove being connected to limiting slot is additionally provided on upper lid.Actual product In, upper cover generally includes lining lid 213 and is covered on the cover 212 of 213 top of lining lid, and clamp are mounted on lining lid 213, this implementation Example is to correspond to the position of boss 312 on the inside of cover 212 to be recessed to form limiting slot 214 and escape groove 215, can also in other embodiments To be mounted on fixed block on the inside of cover, limiting slot and escape groove are set on fixed block.Drive boss 312 upper when clamp open and close It is moved in the limiting slot 214 and escape groove 215 of lid, guidance clamp are played in the cooperation of boss 312 and limiting slot 214, escape groove 215 The effect of rectilinear translation, so as to avoid the aperture on clamp；Boss 312 be designed to it is cylindric, preferably to cooperate limit Slot 214 and escape groove 215.

Referring to Fig. 9,10, clamp switch to lock state by unlocked state, and boss 312 is moved in escape groove 215, in card Pincers float until with buckling parts fastening process, other than clamp self gravity, do not contradict the active force of clamp floating, reduce Clamp floating resistance, and fasten clamp pressure in cooking cavity reliably under with buckling parts, improve safety in utilization；Culinary art After terminating and allowing to uncap, driving device drives clamp to open, and clamp switch to unlocked state by lock state, boss 312 with Clamp are moved in limiting slot 214, since clamp discharge buckling parts 121, pot cover, that is, openable and be detached from pot body 100；Such as Figure 12 Shown, if sealed pot cover again under hot, boss 312 can limit the floating stroke of clamp with 214 bottom surface of limiting slot, The float cap position under clamp unlocked state is defined, as long as guaranteeing its lower caliper plate when clamp are in float cap position 322 remain to and buckling parts 121 fastens, so that it may avoid the problem that it is hot under can not sealed pot cover, while also avoiding the prior art It is middle to reset the problem of influencing folding lid feel and closing lid safety using spring auxiliary clamp.

In order to which its lower caliper plate 322 remains to fasten with buckling parts 121 when guaranteeing that clamp are in float cap position, clamp solution Under lock status, the floating stroke of clamp is limited as H1, under clamp lock state, the floating stroke of clamp is limited as H2, meets H1 < H2.Floating stroke H1 refers to that clamp are floated upwards until boss 312 and 214 bottom surface of limiting slot present position in complete fall Generated floating distance when offseting, floating stroke H2 refer to that clamp float to lower caliper in present position in complete fall upwards Plate 322 and buckling parts 121 generated floating distance when fastening；H1 < H2, that is to say, that: unlocked state lower caliper can not float Position when being fastened to lower caliper plate 322 and buckling parts 121, then blocking under would not also occurring when sealed pot cover 200 under hot The case where nipper 322 and buckling parts 121 are interfered, and lock state then allows the stroke of clamp floating H2, to guarantee on cooking cavity Lower caliper plate 322 can be fastened with buckling parts 121 after pressure.

Referring to Fig.1 0, in the present embodiment, before the upper pressure of cooking cavity, between 215 bottom surface of upper surface and escape groove of boss 312 Away from for H4, H4 > H2, that is to say, that the distance of clamp present position floating H4 upwards in complete fall can just make boss 312 Upper surface offsets with 215 bottom surface of escape groove, and in the locked state, only allow the distance of clamp floating H2；Referring to Fig.1 1, due to H4 > H2, after pressing on cooking cavity, 312 upper surface of boss and escape groove remain a fixed spacing between 215 bottom surface, prevent convex Platform 312, which compresses cover 212, leads to its deformation.And in the unlocked state, between 214 bottom surface of 312 upper surface of boss and limiting slot Equipped with gap, clamp normally open and close the contact of 214 bottom surface of Shi Buyu limiting slot, and clamp opening and closing movement is smooth, promote folding feel.

In the present embodiment, the depth of escape groove 215 is greater than the depth of limiting slot 214,215 bottom surface of escape groove and limiting slot 214 bottom surfaces are connected using chamfered transition.Referring to Fig. 9,11, when culinary art terminates to uncap, clamp switch to unlock shape from lock state During state, the chamfered transition position of 215 bottom surface of escape groove and 214 bottom surface of limiting slot applies pressure on boss 312, to provide clamp The active force moved downward guarantees clamp reliable reset.

Embodiment three

The present embodiment and embodiment one the difference is that: caliper brake pressure cooking appliance includes pot and pot cover, pot It is covered in pot body and forms cooking cavity, pot cover includes upper lid and inner cover, and liner is equipped in pot body, and liner oral area extends outwardly Flange out, to form buckling parts, clamp are sealed by the flange of liner and inner cover in the locked state, and this structure is usually used in minute-pressure Electric cooker.Its open and close cover structure and principle are as in the first embodiment, repeat no more.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, being familiar with the those skilled in the art should be understood that the utility model includes but is not limited to attached drawing and specific embodiment party above Content described in formula.The modification of any function and structure principle without departing from the utility model is intended to be included in claims Range in.

Claims (10)

1. caliper brake pressure cooking appliance, including pot and pot cover, the pot cover is covered in the pot body and forms cooking cavity, institute Stating pot cover includes upper lid and inner cover, and the pot body is equipped with buckling parts, and the upper cover is equipped with driving device and at least a pair of retractable Clamp, the driving device drives the clamp folding, so that the clamp are in the sealed inner cover and the buckling parts Lock state and the unlocked state switching for discharging the buckling parts, which is characterized in that the clamp become with the culinary art cavity pressure Change and float up and down, the upper cover is equipped with limiting section, and the lower section that the limiting section is corresponded on the clamp is equipped with boss, described Under lock state, the boss is staggered with the limiting section, under the unlocked state, the boss and the limiting section cooperate with Limit the floating stroke of the clamp.

2. caliper brake pressure cooking appliance as described in claim 1, which is characterized in that under the unlocked state, the clamp Floating stroke be H1, under the lock state, the floating stroke of the clamp is H2, H1 < H2.

3. caliper brake pressure cooking appliance as claimed in claim 2, which is characterized in that the clamp upper surface and the limit The spacing in portion is H3, H3 > H2.

4. caliper brake pressure cooking appliance as described in claim 1, which is characterized in that under the unlocked state, the boss Gap is equipped between upper surface and the limiting section.

5. the caliper brake pressure cooking appliance as described in one of Claims 1-4, which is characterized in that opened on the clamp along it It closes direction and is equipped with pilot hole, the upper cover is equipped with guide post, and the guide post runs through the pilot hole, and the limiting section is installation In the spacing shim of the guide post.

6. caliper brake pressure cooking appliance as claimed in claim 5, which is characterized in that the boss by the pilot hole around Clamp upper surface upwardly extend to be formed, and the boss is set as along the pilot hole close to upper cover center side Arc.

7. caliper brake pressure cooking appliance as claimed in claim 6, which is characterized in that table on the clamp around the pilot hole Face is additionally provided with the sloping platform connecting with the boss, and the sloping platform tilts from high to low away from the upper cover center position；Or Limiting section described in person extends guide part to the upper cover center position from low to high.

8. the caliper brake pressure cooking appliance as described in one of Claims 1-4, which is characterized in that the limiting section is described The position above the boss is corresponded on upper lid to be recessed the limiting slot to be formed, and is additionally provided on the upper lid and is connected to the limiting slot Escape groove, under the lock state, the boss is moved in the escape groove, and under the unlocked state, the boss is moved It moves to the floating strokes of the clamp can be limited in the limiting slot and with the limiting slot bottom surface.

9. caliper brake pressure cooking appliance as claimed in claim 8, which is characterized in that the depth of the escape groove is greater than described The depth of limiting slot, the evacuation groove bottom are connect with the limit groove bottom using chamfered transition.

10. the caliper brake pressure cooking appliance as described in one of Claims 1-4, which is characterized in that the pot body includes heat preservation The liner for covering and being placed in the insulation cover, the buckling parts are the outwardly extending flange of insulation cover oral area.