CN209331760U - The upper cover and cooking equipment of cooking equipment - Google Patents

Abstract

The utility model provides the upper cover and cooking equipment of a kind of cooking equipment.Wherein, the upper cover of cooking equipment includes: lid, is provided with through-hole, the first auxiliary section and the second auxiliary section；Float, float are equipped with exhaust passage, and when exhaust passage is opened, the cooking cavity of cooking equipment can be vented along exhaust passage；Float is connected to through-hole and can be equipped with sealing ring along through-hole activity, float, and driving sealing ring moves between positive seal position and negative-pressure sealing position when float activity；Cooperate when sealing ring is in positive seal position with the sealing of the first auxiliary section, seals exhaust passage；Cooperate when sealing ring is in negative-pressure sealing position with the sealing of the second auxiliary section, seals exhaust passage；When position of the sealing ring between positive seal position and negative-pressure sealing position, exhaust passage is opened.The utility model is by being rationally arranged the structure of float and lid and position being arranged, so that cooking equipment has the function of the two way seal under positive pressure, negative pressure.

Description

The upper cover and cooking equipment of cooking equipment

Technical field

The utility model relates to cooking equipment fields, in particular to the upper cover and cooking equipment of a kind of cooking equipment.

Background technique

Nowadays, cooking equipment is widely used in people's because of the advantages that its is easy to operate, quick and culinary art is delicious In daily life.It, can be in cooking equipment for the cold air discharge in the cooking cavity by cooking equipment when cooking equipment works The float that can freely up and down float is set on upper lid, and then realizes the discharge of cold air by the floating of float, float is in normal pressure shape It is in the open state under state, so that negative pressure can not be generated in the cooking cavity of cooking equipment, that is, only can be carried out the close of single direction Envelope cannot achieve positive and negative pressure culinary art.To solve the above-mentioned problems, in the related technology, using two sealing rings respectively to float into The mounting structure of row positive pressure and negative-pressure sealing, sealing ring is complicated, and dosage is more, is not easy to subsequent replacement, maintenance, production and dimension It protects at high cost.

Utility model content

The utility model aims to solve at least one of technical problems existing in the prior art or related technologies.

For this purpose, the first aspect of the utility model proposes a kind of upper cover of cooking equipment.

The second aspect of the utility model proposes a kind of cooking equipment.

In view of this, the upper cover that the first aspect of the utility model proposes a kind of cooking equipment includes: lid, it is provided with Through-hole, the first auxiliary section and the second auxiliary section；Float, float is equipped with exhaust passage, when exhaust passage is opened, cooking equipment Cooking cavity can be vented along exhaust passage；Float is connected to through-hole and can be equipped with sealing ring, float activity along through-hole activity, float When driving sealing ring moved between positive seal position and negative-pressure sealing position；Sealing ring is in positive seal position Shi Yu The sealing cooperation of one auxiliary section, seals exhaust passage；Match when sealing ring is in negative-pressure sealing position with the sealing of the second auxiliary section It closes, seals exhaust passage；When position of the sealing ring between positive seal position and negative-pressure sealing position, exhaust passage It opens.

A kind of upper cover of cooking equipment provided by the utility model includes: lid and float.When cooking equipment work, just When stage beginning, no pressure in the cooking cavity of cooking equipment, float is in nature falling state, when cooking equipment internal temperature increases And then certain pressure is generated, pressure pushes float movement, so that float driving sealing ring floats upwards, at this point, sealing ring position Between positive seal position and negative-pressure sealing position, so that the exhaust passage of float is in the state opened, cooking equipment Part cold air in cooking cavity can be discharged outside cooking apparatus by exhaust passage, realize the connection of cooking cavity and ambient atmosphere； Further, when pressure value reaches preset value, sealing ring is at positive seal position, and the first auxiliary section and sealing ring seal Cooperation is avoided the steam in cooking cavity from leaking out, realizes the positive seal function of cooking equipment so that exhaust passage is sealed Energy；Further, when generating negative pressure in cooking cavity, that is, the atmospheric pressure value in cooking cavity is lower than external atmosphere pressure value, makees in negative pressure Under, float float downward so that drive sealing ring under floating to negative-pressure sealing position at, sealing ring is contacted and is squeezed with the second auxiliary section Compressive strain, at this point, exhaust passage is sealed, avoids external steam from entering so that the second auxiliary section and sealing ring sealing cooperation Cooking cavity, it is ensured that pumping efficiency in cooking cavity, promote the operational efficiency when negative pressure stage in cooking cavity, realize cooking equipment Negative-pressure sealing function, cooking equipment facilitate when being in negative-pressure sealing state extend food holding time, meet user Diversified use demand.Meanwhile the structure setting realizes float by sealing ring in positive seal position and negative-pressure sealing Position is able to carry out sealing, so that cooking equipment has the function of the two way seal under positive pressure, negative pressure, in the edible of abundant food , it can be achieved that saving the purpose of food for a long time while mouthfeel, the waste of food is avoided, the function of product is enriched, promoted The service performance of product, solves float in the related technology and only has the function of positive seal, is difficult to take into account negative-pressure sealing performance The problem of.

More specifically, by the way that through-hole is arranged on lid so that float is connected to through-hole, and can in through-hole on move down Dynamic, through-hole limits the motion profile of float, so that sealing ring can be according to preset path in positive seal under the drive of float It is moved between position and negative-pressure sealing position, ensure that float mobile smoothness and feasibility, avoided because of collision or due to clamping stagnation So that float is fastened on certain of through-hole and causes cooking equipment to cannot achieve cooking function and happen；Further, close Seal is arranged on float, rationally realizes the fixation to sealing ring using the existing structure of float, reduces additional devices Investment, reduces improvement cost；Further, when sealing ring is in the position between positive seal position and negative-pressure sealing position When, exhaust passage is opened, so that the gas in cooking cavity can carry out outlet by the exhaust valve of exhaust passage and cooking equipment, this Sample can leak into the generation of the situation inside upper cover to avoid gas, avoid upper cover internal structure by steam corrosion, and avoid Bacterium is bred inside upper cover, in addition the also relative reduction requirement of sealing, simplifies the sealing structure inside upper cover, reduce The production cost of product.

According to the upper cover of the above-mentioned cooking equipment of the utility model, there can also be following additional technical feature:

In the above-mentioned technical solutions, it is preferable that the sealing ring includes: seal and the positive densification that is arranged on seal Seal auxiliary section and negative-pressure sealing auxiliary section；Its positive seal auxiliary section and the first auxiliary section when sealing ring is in positive seal position Against sealing cooperation is formed, seal exhaust passage；When sealing ring is in negative-pressure sealing position its negative-pressure sealing auxiliary section with Second auxiliary section seals exhaust passage against sealing cooperation is formed.

In the technical scheme, sealing ring includes seal, positive seal auxiliary section and negative-pressure sealing auxiliary section.By setting Positive seal auxiliary section and negative-pressure sealing auxiliary section are set, the multipoint sealing for realizing sealing ring and lid cooperates, and works as sealing When circle is in positive seal position, using positive seal auxiliary section and the first auxiliary section against formation sealing cooperation, and prevent floating Son continues to float, that is, limits the maximum displacement of float floating, plays the role of good axial limiting to float, work as sealing ring When in negative-pressure sealing position, cooperated using negative-pressure sealing auxiliary section and the second auxiliary section against sealing is formed, and prevent float Continue to float downward, that is, limit the maximum displacement that float is floated downward, equally play the role of good axial limiting to float.The structure It is arranged so that sealing ring includes two different sealing fit portion, two sealing fit portion cooperate with two auxiliary sections, are The floating of float provides the structure basis of limit and sealing, so that seal is in positive seal position and negative-pressure sealing position When, exhaust passage is sealed, and when seal is in the position between positive seal position and negative-pressure sealing position, exhaust passage is beaten It opens, and then realize cooking equipment to have the function of two way seal under positive pressure, negative pressure.

In any of the above-described technical solution, it is preferable that positive seal auxiliary section includes the first skirt for being located at sealant surface Side, and protrude out direction and the surface of the seal where it of the first skirt are in be greater than 0 ° of angle less than 180 °, at sealing ring When positive seal position, the first skirt and the first auxiliary section cooperate against the sealing is formed；The negative-pressure sealing auxiliary section and/or The second skirt including being located at sealant surface, and protrude out direction and the surface of the seal where it of the second skirt are in be greater than 0 ° of angle less than 180 °, when sealing ring is in negative-pressure sealing position, the second skirt is matched with the second auxiliary section against sealing is formed It closes.

In the technical scheme, by the way that the structure of the first skirt is rationally arranged, so that the first skirt protrudes out direction and its The surface of the seal at place is in be greater than 0 ° of angle less than 180 °, increases connecing for positive seal auxiliary section and the first auxiliary section Contacting surface product, so that the progress of the first auxiliary section and the first skirt is comprehensive, contacts with multi-angle, sealing ring floats up to the first default position When setting, the first skirt is in contact with the first auxiliary section, and when float continues to float under pressure, sealing ring is also on Floating, the first auxiliary section squeezes the first skirt, so that the first skirt is due to positive pressure, deformation occurs, and then is more adjacent to first and matches Conjunction portion, that is, the first skirt and the first auxiliary section form self-tightening type cooperation, and then extend the close of the first skirt and the first auxiliary section Road closure diameter prevents gap discharge of the air-flow between the first skirt and the first auxiliary section, so that exhaust passage is sealed, ensure that The reliability and stability of sealing；Further, by the way that the structure of the second skirt is rationally arranged, so that the side of protruding out of the second skirt The surface of seal where Xiang Yuqi is in be greater than 0 ° of angle less than 180 °, increases negative-pressure sealing auxiliary section and the second cooperation The contact area in portion so that the second auxiliary section and the second skirt carry out it is comprehensive, contact with multi-angle, floating to second under sealing ring When predeterminated position, the second skirt is in contact with the second auxiliary section, when float continues to float downward under negative pressure effect, sealing ring Continue to float downward therewith, the second auxiliary section squeezes the second skirt, so that the second skirt is due to pressure acts on, deformation occurs, and then more pastes Tight second auxiliary section, that is, the second skirt and the second auxiliary section form self-tightening type cooperation, and then extend the second skirt and match with second The sealed pathway in conjunction portion prevents gap discharge of the air-flow between the second skirt and the second auxiliary section, so that exhaust passage is close Envelope, ensure that the reliability and stability of sealing.

Specifically, angle is acute angle.When the angle on the surface for protruding out direction and the seal where it of skirt is acute angle When, the resistance of skirt deformation is small, therefore, more conducively deformation occurs for skirt, to accelerate the speed in skirt snug fit portion, and then is promoted The reliability and stability of skirt and auxiliary section sealing.

In any of the above-described technical solution, it is preferable that seal, positive seal auxiliary section and negative-pressure sealing auxiliary section are one Body formula structure；And/or exhaust passage is arranged on float.

In the technical scheme, seal, positive seal auxiliary section and negative-pressure sealing auxiliary section are an integral structure, because The mechanical property of integral structure is good, it is thus possible to ensure between seal, positive seal auxiliary section and negative-pressure sealing auxiliary section Bonding strength produce in batches in addition, can also be made into integration seal, positive seal auxiliary section and negative-pressure sealing auxiliary section, To improve the production efficiency of product, the production and processing cost of product is reduced；Further, exhaust passage is arranged on float, when When sealing ring is in positive seal position, the first auxiliary section and sealing ring sealing cooperate, and exhaust passage is sealed, and cooking cavity is avoided Interior steam leaks out, and when sealing ring is in negative-pressure sealing position, the second auxiliary section and sealing ring sealing cooperate, and exhaust is logical Road is sealed, and external steam is avoided to enter cooking cavity, it is ensured that pumping efficiency in cooking cavity, sealing ring is located at positive seal position When position between negative-pressure sealing position, exhaust passage is opened, and realizes the connection of cooking cavity and ambient atmosphere.

In any of the above-described technical solution, it is preferable that lid includes cover plate assembly and the cover that is connected with cover plate assembly, Through-hole runs through cover plate assembly, and the position that float is equipped with sealing ring is extend into cover, and cover is equipped with stomata, shape on cover plate assembly At one had in the first auxiliary section and the second auxiliary section, it is formed on cover another in the first auxiliary section and the second auxiliary section It is a, wherein when sealing ring and the first auxiliary section cooperate, closing through-hole seals exhaust passage, sealing ring and the second auxiliary section When cooperation, sealed porosity seals exhaust passage.

In the technical scheme, lid includes cover plate assembly and cover.So that being formed with the first auxiliary section on cover plate assembly One in the second auxiliary section, another in the first auxiliary section and the second auxiliary section is formed on cover, in this way, when sealing When circle floats up to the first predeterminated position, sealing ring is abutted against with cover plate assembly or cover, and cover plate assembly or cover rise to sealing ring Play the role of axial limiting, poor sealing problem caused by preventing sealing ring from channeling bit guarantees pumping efficiency, when sealing ring is floating When floating to positive seal position under the drive of son, cover plate assembly or cover squeeze sealing ring, so that sealing ring is acted in pressure Lower deformation occurs, and then is more adjacent to cover plate assembly or cover, causes through-hole to be closed, prevents air-flow from sealing ring and cover plate assembly Or the gap discharge between cover；When under sealing ring floating to the second predeterminated position, sealing ring offsets with cover or cover plate assembly It connecing, cover or cover plate assembly play the role of axial limiting to sealing ring, poor sealing problem caused by preventing sealing ring from channeling bit, Guarantee pumping efficiency, when sealing ring floats to negative-pressure sealing position under the drive of float, cover or cover plate assembly extruding are close Seal causes stomata to be closed so that deformation occurs under pressure for sealing ring, and then is more adjacent to cover or cover plate assembly, Prevent gap discharge of the air-flow between sealing ring and cover or cover plate assembly；When sealing ring is in positive seal position and negative pressure When between sealing station, stomata is conducted with through-hole, so that exhaust passage is opened.

In any of the above-described technical solution, it is preferable that cover plate assembly includes: cover board；Float seat, if on the cover board, cover It connect and is covered on the outside of float seat with float seat, one in the first auxiliary section and the second auxiliary section is arranged in cover board or float seat On.

In the technical scheme, cover plate assembly includes: cover board and float seat, is realized using the existing structure of cover board to float Seat is loaded and fixes, and through-hole runs through cover board and float seat, therefore, the setting of float seat defines the floating path of float, protects Card float can float up and down according to preset path, meanwhile, cover connect with float seat and covers on the outside of float seat, cover Body, cover board and float seat match the maximum floating displacement for defining sealing ring and float downward displacement, and sealing ring is avoided to fall off out The case where upper cover of cooking equipment, occurs；Further, the first auxiliary section or second can be set according to specific actual use situation The position of auxiliary section so that one in the first auxiliary section and the second auxiliary section is arranged on cover board or float seat, and then is realized Cooperation is sealed using cover board or float seat and sealing ring.

In any of the above-described technical solution, it is preferable that cover board is equipped with mounting hole, and float seat is connected to mounting hole, float Seat is provided with flange, and flange is located on the outside of cover board and relies on cover board outer surface；Cover be located on the inside of cover board and with it is floating Stroma connects, and gasket and gasket are equipped at the position between cover and cover board, and gasket covers between gasket and cover board Body, which abuts against gasket, makes gasket and cover board pinch seal pad.

In the technical scheme, by the way that flange is arranged on float seat, so that flange is located on the outside of cover board and is hooked On cover board outer surface, increase the contact area of cover board and float seat, and then enhance the structural strength of the two junction, guarantees The stability and reliability of assembly；Further, cover is located on the inside of cover board and connect with float seat, and in cover and cover board Between position at be equipped with gasket and gasket, the contact area for increasing cover and gasket is set to gasket, float is enhanced The assembly intensity of seat, cover board, gasket, gasket and cover, gasket play the role of the junction of seal cover board and cover, keep away Exempt from gas to be occurred by the situation that the junction of the two leaks into inside upper cover, avoids upper cover internal structure by steam corrosion, and Avoid and breed bacterium inside upper cover, meanwhile, the structure setting of gasket can play slow down floats during act on The impact force of cover and cover board, and then ensure that the intensity and adaptation of float seat, cover board and cover connection.

In any of the above-described technical solution, it is preferable that cover is split type structure with float seat.

In the technical scheme, cover and float seat are split type structure, convenient for cover, float seat and cover board assembly and Float is specifically passed through through-hole away from the side of sealing ring, then gasket and gasket are sleeved on by subsequent disassembly, maintenance On float seat, finally cover is threadedly attached on float seat, split type structure is arranged so that can be according to specific assembly feelings Condition targetedly adjusts the setting position of cover or float seat, thereby reduces the company of assembly precision requirement and each connecting component Size requirement is connect, assembly efficiency is improved, reduces production cost.Meanwhile split type structure setting is easy to process, is produced into This is low, and is convenient for volume production.

In any of the above-described technical solution, it is preferable that float seat tool has the flange for riding upon cover board upper surface and from method At least part of Lan Bianchao vertically extending protrusion, protrusion is located in cover, and the lower end surface of protrusion forms the first auxiliary section, gas Hole is located on the bottom wall of cover.

In the technical scheme, float seat is provided with flange and protrusion, and flange rides upon cover board upper surface, increases lid The contact area of plate and float seat, and then both enhance the structural strength of junction ensure that the stability of assembly and reliable Property；Further, the lower end surface of protrusion forms the first auxiliary section, that is, the second auxiliary section formed on protrusion and cover matches Play the role of axial limiting to sealing ring, and since at least part of protrusion is located in cover, therefore, it can reach reasonable utilization The purpose of the inner space of cover reduces the outer dimension of cover plate assembly, convenient for the rational deployment of other component, helps to subtract The weight and size of light cooking equipment can reduce production cost in turn, simultaneously as at least part of protrusion is located in cover, Therefore the overall structural strength of float seat and cover is enhanced, the probability that structure is lost and deformed is reduced, making for product is extended Use the service life；Further, by the way that stomata to be arranged on the bottom wall of cover, so that can play and push away when gas is entered by stomata The purpose of dynamic float movement.The second aspect of the utility model proposes a kind of cooking equipment, comprising: cooker body；And such as first party The upper cover of cooking equipment described in any technical solution in face, the upper cover of cooking equipment and cooker body can cover conjunction or opening, cooker body with The upper cover lid of cooking equipment encloses when closing sets out cooking cavity.

Cooking equipment provided by the utility model, because including cooker body and cooking as described in technical solution any in first aspect The upper cover for equipment of preparing food, therefore whole beneficial effects of the upper cover with above-mentioned cooking equipment, do not do state one by one herein.

Optionally, cooking equipment is micro-pressure electric rice cooker or electric pressure cooking saucepan.

The additional aspect and advantage of the utility model will become obviously in following description section, or practical new by this The practice of type is recognized.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is the cross-sectional view of the cooking equipment of the utility model one embodiment；

Fig. 2 is the partial enlarged view of the first state at the A of the cooking equipment of embodiment shown in Fig. 1；

Fig. 3 is the partial enlarged view of the second state at the A of the cooking equipment of embodiment shown in Fig. 1；

Fig. 4 is the partial enlarged view of the third state at the A of the cooking equipment of embodiment shown in Fig. 1；

Fig. 5 is the optical cable of the upper cover of the cooking equipment of the utility model one embodiment.

Wherein, corresponding relationship of the Fig. 1 into Fig. 5 between appended drawing reference and component names are as follows:

1 cooking equipment, the upper cover of 10 cooking equipments, 104 through-holes, 106 first auxiliary sections, 108 second auxiliary sections, 110 rows Gas channel, 112 floats, 114 sealing rings, 116 seals, 118 positive seal auxiliary sections, 120 negative-pressure sealing auxiliary sections, 122 covers Body, 124 stomatas, 126 cover boards, 128 float seats, 130 mounting holes, 132 flanges, 134 gaskets, 136 gaskets, 138 first rows Stomata, 140 second row stomatas, 142 magnetic parts, 144 sealing elements, 146 inner covers, 148 outer covers, 150 protrusions, 20 cooker bodies, in 202 Pot.

Specific embodiment

In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen The feature in embodiment and embodiment please can be combined with each other.

Many details are explained in the following description in order to fully understand the utility model, still, this is practical Novel to be implemented using other than the one described here other modes, therefore, the protection scope of the utility model is simultaneously It is not limited by the specific embodiments disclosed below.

The upper cover 10 of the cooking equipment according to the utility model some embodiments is described referring to Fig. 1 to Fig. 5 and is cooked Equipment of preparing food 1.

As shown in Figures 1 to 4, the upper cover 10 that the embodiment of the utility model first aspect proposes a kind of cooking equipment is wrapped Include: lid is provided with through-hole 104, the first auxiliary section 106 and the second auxiliary section 108；Float 112, float 112 are equipped with exhaust Channel 110, when exhaust passage 110 is opened, the cooking cavity of cooking equipment 1 can be vented along exhaust passage 110；Float 112 is connected to Through-hole 104 simultaneously can be equipped with sealing ring 114 along 104 activity of through-hole, float 112, and driving sealing ring 114 exists when float 112 is movable It is moved between positive seal position and negative-pressure sealing position；When sealing ring 114 is in positive seal position with the first auxiliary section 106 Sealing cooperation, seals exhaust passage 110；Match when sealing ring 114 is in negative-pressure sealing position with the sealing of the second auxiliary section 108 It closes, seals exhaust passage 110；When position of the sealing ring 114 between positive seal position and negative-pressure sealing position, row It opens in gas channel 110.

A kind of upper cover 10 of cooking equipment provided by the utility model includes: lid and float 112.When 1 work of cooking equipment When making, when the initial stage, no pressure in the cooking cavity of cooking equipment 1, float 112 is in nature falling state, when cooking equipment 1 Internal temperature increases and then generates certain pressure, and pressure pushes float 112 to move so that float 112 drive sealing ring 114 to Upper floating, at this point, sealing ring 114 is between positive seal position and negative-pressure sealing position, so that the exhaust passage of float 112 Cooking apparatus can be discharged by exhaust passage 110 in the 110 part cold air in the state opened, the cooking cavity of cooking equipment 1 Outside, the connection of cooking cavity and ambient atmosphere is realized；Further, when pressure value reaches preset value, sealing ring 114 is in just At means of press seals position, the first auxiliary section 106 and sealing ring 114 seal cooperation so that exhaust passage 110 is sealed, and avoids cooking cavity Interior steam leaks out, and realizes the positive seal function of cooking equipment 1；Further, when generating negative pressure in cooking cavity, That is, the atmospheric pressure value in cooking cavity is lower than external atmosphere pressure value, under the action of negative pressure, float 112 is floated downward and then drives sealing ring 114 Under floating to negative-pressure sealing position at, sealing ring 114 contacted with the second auxiliary section 108 and be deformed so that second cooperation Portion 108 and the sealing of sealing ring 114 cooperate, at this point, exhaust passage 110 is sealed, external steam are avoided to enter cooking cavity, it is ensured that right Pumping efficiency in cooking cavity promotes the operational efficiency when negative pressure stage in cooking cavity, realizes the negative-pressure sealing function of cooking equipment 1 Can, cooking equipment 1 facilitates to extend the holding time of food when being in negative-pressure sealing state, meets the diversified use of user Demand.Meanwhile to realize float 112 equal in positive seal position and negative-pressure sealing position by sealing ring 114 for the structure setting It is able to carry out sealing, so that cooking equipment 1 has the function of the two way seal under positive pressure, negative pressure, in the eating mouth feel of abundant food While, it can be achieved that for a long time save food purpose, avoid the waste of food, enrich the function of product, improve production The service performance of product solves float 112 in the related technology and only has the function of positive seal, is difficult to take into account negative-pressure sealing performance Problem.

More specifically, by the way that through-hole 104 is arranged on lid, so that float 112 is connected to through-hole 104, and can be logical It is moved up and down in hole 104, through-hole 104 limits the motion profile of float 112, so that sealing ring 114 is under the drive of float 112 It can be moved between positive seal position and negative-pressure sealing position according to preset path, ensure that the mobile smoothness of float 112 And feasibility, it avoids leading to 1 nothing of cooking equipment because collision or clamping stagnation due to make float 112 be fastened on certain of through-hole 104 Method realizes that cooking function happens；Further, sealing ring 114 is arranged on float 112, rationally showing using float 112 There is structure to realize the fixation to sealing ring 114, reduces the investment of additional devices, reduce improvement cost；Further, when When sealing ring 114 is in the position between positive seal position and negative-pressure sealing position, exhaust passage 110 is opened, so that culinary art Intracavitary gas can carry out outlet by the exhaust valve of exhaust passage 110 and cooking equipment 1, can thus leak to avoid gas Situation inside to upper cover occurs, and avoids upper cover internal structure by steam corrosion, and avoids and breed bacterium inside upper cover, separately Also the requirement of relative reduction sealing outside, simplifies the sealing structure inside upper cover, reduces the production cost of product.

In one embodiment of the utility model, it is preferable that as shown in Figures 1 to 4, the sealing ring 114 includes: close Envelope body 116 and the positive seal auxiliary section 118 and negative-pressure sealing auxiliary section 120 being arranged on seal 116；At sealing ring 114 Its positive seal auxiliary section 118 and the first auxiliary section 106 make exhaust passage against sealing cooperation is formed when positive seal position 110 are sealed；Its negative-pressure sealing auxiliary section 120 and the second auxiliary section 108 are against shape when sealing ring 114 is in negative-pressure sealing position Cooperate at sealing, seals exhaust passage 110.

In this embodiment, sealing ring 114 includes seal 116, positive seal auxiliary section 118 and negative-pressure sealing auxiliary section 120.By setting positive seal auxiliary section 118 and negative-pressure sealing auxiliary section 120, the multidigit of sealing ring 114 Yu lid is realized The sealing cooperation set, when sealing ring 114 is in positive seal position, utilizes positive seal auxiliary section 118 and the first auxiliary section 106 cooperate against sealing is formed, and float 112 is prevented to continue to float, that is, the maximum displacement of the floating of float 112 are limited, to floating Son 112 plays the role of good axial limiting, when sealing ring 114 is in negative-pressure sealing position, utilizes negative-pressure sealing auxiliary section 120 and second auxiliary section 108 against sealing cooperation is formed, and float 112 is prevented to continue to float downward, that is, to limit float 112 and float downward Maximum displacement, equally play the role of good axial limiting to float 112.The structure setting makes sealing ring 114 include two A different sealing fit portion, two sealing fit portion cooperate with two auxiliary sections, provide limit for the floating of float 112 The structure basis of position and sealing, when so that seal 116 being in positive seal position and negative-pressure sealing position, exhaust passage 110 It being sealed, when seal 116 is in the position between positive seal position and negative-pressure sealing position, exhaust passage 110 is opened, into And realizing cooking equipment 1 has the function of two way seal under positive pressure, negative pressure.

In one embodiment of the utility model, it is preferable that positive seal auxiliary section 118 includes being located at seal 116 First skirt on surface, and protrude out direction and the surface of the seal 116 where it of the first skirt are in be greater than 0 ° less than 180 ° Angle, when sealing ring 114 is in positive seal position, the first skirt and the first auxiliary section 106 are matched against the sealing is formed It closes；And/or negative-pressure sealing auxiliary section 120 includes being located at second skirt on 116 surface of seal, and the second skirt protrudes out direction Surface with the seal 116 where it is in be greater than 0 ° of angle less than 180 °, when sealing ring 114 is in negative-pressure sealing position, Second skirt and the second auxiliary section 108 cooperate against sealing is formed.

In this embodiment, by the way that the structure of the first skirt is rationally arranged, so that the first skirt protrudes out direction and its institute Seal 116 surface be in be greater than 0 ° of angle less than 180 °, increase positive seal auxiliary section 118 and the first auxiliary section 106 contact area so that the first auxiliary section 106 and the first skirt carry out it is comprehensive, contact with multi-angle, on sealing ring 114 When floating to the first predeterminated position, the first skirt is in contact with the first auxiliary section 106, on float 112 continues under pressure When floating, sealing ring 114 also floats therewith, and the first auxiliary section 106 squeezes the first skirt, so that the first skirt is due to positive pressure Deformation occurs, and then is more adjacent to the first auxiliary section 106, that is, and the first skirt and the first auxiliary section 106 form self-tightening type cooperation, into And extend the sealed pathway of the first skirt Yu the first auxiliary section 106, prevent air-flow from the first skirt and the first auxiliary section 106 it Between gap discharge so that exhaust passage 110 is sealed, ensure that the reliability and stability of sealing；Further, pass through conjunction The structure of the second skirt of reason setting, so that protrude out direction and the surface of the seal 116 where it of the second skirt are in be greater than 0 ° Angle less than 180 ° increases the contact area of negative-pressure sealing auxiliary section 120 and the second auxiliary section 108, so that the second cooperation Portion 108 and the second skirt carry out it is comprehensive, contact with multi-angle, when under sealing ring 114 floating to the second predeterminated position, the second skirt It is in contact with the second auxiliary section 108, when float 112 continues to float downward under negative pressure effect, under sealing ring 114 also continues therewith Floating, the second auxiliary section 108 squeezes the second skirt, so that the second skirt is due to pressure acts on, deformation occurs, and then is more adjacent to second Auxiliary section 108, that is, the second skirt and the second auxiliary section 108 form self-tightening type cooperation, and then extend the second skirt and match with second The sealed pathway in conjunction portion 108 prevents gap discharge of the air-flow between the second skirt and the second auxiliary section 108, so that exhaust is logical Road 110 is sealed, and ensure that the reliability and stability of sealing.

Specifically, angle is acute angle.When the angle for protruding out direction and the surface of the seal 116 where it of skirt is sharp When angle, the resistance of skirt deformation is small, therefore, more conducively deformation occurs for skirt, to accelerate the speed in skirt snug fit portion, Jin Erti The reliability and stability of skirt and auxiliary section sealing are risen.

In one embodiment of the utility model, it is preferable that seal 116, positive seal auxiliary section 118 and negative-pressure dense Envelope auxiliary section 120 is an integral structure；And/or exhaust passage 110 is arranged on float 112.

In this embodiment, seal 116, positive seal auxiliary section 118 and negative-pressure sealing auxiliary section 120 are integral type knot Structure, because the mechanical property being an integral structure is good, it is thus possible to ensure seal 116, positive seal auxiliary section 118 and negative-pressure dense The bonding strength between auxiliary section 120 is sealed, in addition, can also match seal 116, positive seal auxiliary section 118 and negative-pressure sealing Conjunction portion 120 is made into integration, and batch production to improve the production efficiency of product, reduces the production and processing cost of product；Further Ground, exhaust passage 110 be arranged on float 112, when sealing ring 114 is in positive seal position, the first auxiliary section 106 with it is close The sealing cooperation of seal 114, exhaust passage 110 are sealed, and avoid the steam in cooking cavity from leaking out, when sealing ring 114 is in When negative-pressure sealing position, the second auxiliary section 108 cooperates with the sealing of sealing ring 114, and exhaust passage 110 is sealed, and avoids external steaming Vapour enters cooking cavity, it is ensured that pumping efficiency in cooking cavity, sealing ring 114 be located at positive seal position and negative-pressure sealing position it Between position when, exhaust passage 110 open, realize the connection of cooking cavity and ambient atmosphere.

In one embodiment of the utility model, it is preferable that as shown in Figures 1 to 4, lid include cover plate assembly and with The cover 122 that cover plate assembly is connected, through-hole 104 run through cover plate assembly, and the position that float 112 is equipped with sealing ring 114 is extend into In cover 122, cover 122 is equipped with stomata 124, is formed in the first auxiliary section 106 and the second auxiliary section 108 on cover plate assembly One, another in the first auxiliary section 106 and the second auxiliary section 108 is formed on cover 122, wherein sealing ring 114 with When first auxiliary section 106 cooperates, closing through-hole 104 seals exhaust passage 110, and sealing ring 114 is matched with the second auxiliary section 108 When conjunction, sealed porosity 124 seals exhaust passage 110.

In this embodiment, lid includes cover plate assembly and cover 122.So that being formed with the first auxiliary section on cover plate assembly 106 and second one in auxiliary section 108, it is formed on cover 122 another in first auxiliary section 106 and the second auxiliary section 108 One, in this way, sealing ring 114 is abutted against with cover plate assembly or cover 122 when sealing ring 114 floats up to the first predeterminated position, Cover plate assembly or cover 122 play a part of to play axial limiting to sealing ring 114, prevent sealing ring 114 from channeling bit caused sealing Bad problem guarantees pumping efficiency, when floating to positive seal position under drive of the sealing ring 114 in float 112, cover board group Part or cover 122 squeeze sealing ring 114, so that deformation occurs under pressure for sealing ring 114, and then are more adjacent to cover plate assembly Or cover 122, cause through-hole 104 to be closed, prevents gap of the air-flow between sealing ring 114 and cover plate assembly or cover 122 Discharge；When under sealing ring 114 floating to the second predeterminated position, sealing ring 114 is abutted against with cover 122 or cover plate assembly, cover 122 or cover plate assembly play the role of axial limiting to sealing ring 114, prevent sealing ring 114 channel bit caused by poor sealing ask Topic guarantees pumping efficiency, when floating to negative-pressure sealing position under drive of the sealing ring 114 in float 112, cover 122 or lid Board group part squeezes sealing ring 114, so that deformation occurs under pressure for sealing ring 114, and then is more adjacent to cover 122 or cover board Component causes stomata 124 to be closed, and prevents gap discharge of the air-flow between sealing ring 114 and cover 122 or cover plate assembly； When sealing ring 114 is between positive seal position and negative-pressure sealing position, stomata 124 is conducted with through-hole 104, and then makes Exhaust passage 110 is obtained to be opened.

In one embodiment of the utility model, it is preferable that as shown in Figures 1 to 4, cover plate assembly includes: cover board 126；Float seat 128 is located on cover board 126, and cover 122 connect with float seat 128 and cover on 128 outside of float seat, and first matches One in conjunction portion 106 and the second auxiliary section 108 is arranged on cover board 126 or float seat 128.

In this embodiment, cover plate assembly includes: cover board 126 and float seat 128, utilizes the existing structure reality of cover board 126 Now being loaded and fixing to float seat 128, through-hole 104 run through cover board 126 and float seat 128, therefore, the setting limit of float seat 128 The floating path of float 112 is defined, guarantees that float 112 can float up and down according to preset path, meanwhile, cover 122 Connect and cover on the outside of float seat 128 with float seat 128, cover 122, cover board 126 and float seat 128 match define it is close Maximum float of seal 114 and floats downward displacement at displacement, avoid sealing ring 114 fall off upper cover 10 of cooking equipment out the case where hair It is raw；Further, the position of the first auxiliary section 106 or the second auxiliary section 108 can be set according to specific actual use situation, so that One in first auxiliary section 106 and the second auxiliary section 108 is arranged on cover board 126 or float seat 128, and then realizes and utilize lid Plate 126 or float seat 128 and sealing ring 114 are sealed cooperation.

In one embodiment of the utility model, it is preferable that as shown in Figures 1 to 5, cover board 126 is equipped with mounting hole 130, float seat 128 is connected to mounting hole 130, and float seat 128 is provided with flange 132, and flange 132 is located at outside cover board 126 Side simultaneously relies on 126 outer surface of cover board；Cover 122 is located at 126 inside of cover board and connect with float seat 128, cover 122 and lid At position between plate 126 be equipped with gasket 134 and gasket 136, gasket 134 between gasket 136 and cover board 126, and Cover 122, which abuts against gasket 136, makes gasket 136 and 126 pinch seal pad 134 of cover board.

In this embodiment, by the way that flange 132 is arranged on float seat 128, so that flange 132 is located at cover board 126 Outside simultaneously relies on 126 outer surface of cover board, increases the contact area of cover board 126 and float seat 128, and then enhances the two even The structural strength for meeting place ensure that the stability and reliability of assembly；Further, cover 122 be located at the inside of cover board 126 and with Float seat 128 connects, and gasket 134 and gasket 136, gasket 136 are equipped at the position between cover 122 and cover board 126 The contact area for increasing cover 122 Yu gasket 136 is arranged in ground, enhances float seat 128, cover board 126, gasket 134, gasket 136 and cover 122 assembly intensity, gasket 134 plays the role of the junction of seal cover board 126 Yu cover 122, avoids gas Body leaks into the situation inside upper cover by the junction of the two and occurs, and avoids upper cover internal structure by steam corrosion, and avoid Bacterium is bred inside upper cover, meanwhile, the structure setting of gasket 134 can play the role of slowing down in 112 location free procedure of float In cover 122 and the impact force of cover board 126, and then it ensure that intensity that float seat 128, cover board 126 and cover 122 connect and close Conjunction property.

In one embodiment of the utility model, it is preferable that cover 122 is split type structure with float seat 128.

In this embodiment, cover 122 and float seat 128 are split type structure, convenient for cover 122, float seat 128 and lid Float 112 is specifically passed through through-hole 104 away from the side of sealing ring 114 by the assembly of plate 126 and subsequent disassembly, maintenance, Gasket 134 and gasket 136 are sleeved on float seat 128 again, cover 122 is finally threadedly attached in float seat 128 On, split type structure is arranged so that the setting of cover 122 or float seat 128 can targetedly be adjusted according to specific assembly situation Position thereby reduces assembly precision requirement and the size for connection requirement of each connecting component, improves assembly efficiency, reduce life Produce cost.Meanwhile split type structure setting is easy to process, production cost is low, and is convenient for volume production.

In one embodiment of the utility model, it is preferable that as shown in Figures 2 to 4, float seat 128, which has, to be ridden upon The flange 132 of 126 upper surface of cover board and from flange 132 towards vertically extending protrusion 150, at least part of protrusion 150 In cover 122, the lower end surface of protrusion 150 forms the first auxiliary section 106, and stomata 124 is located on the bottom wall of cover 122.

In this embodiment, float seat 128 is provided with flange 132 and protrusion 150, and flange 132 rides upon cover board 126 Upper surface, increases the contact area of cover board 126 and float seat 128, and then enhances the structural strength of the two junction, ensure that The stability and reliability of assembly；Further, the lower end surface of protrusion 150 forms the first auxiliary section 106, that is, protrusion 150 and cover The second auxiliary section 108 formed on body 122, which is matched, plays the role of axial limiting to sealing ring 114, and due to protrusion 150 At least part is located in cover 122, therefore, it can reach rationally using the purpose of the inner space of cover 122, reduce cover board group The outer dimension of part facilitates the weight for mitigating cooking equipment 1 and size and then can reduce convenient for the rational deployment of other component Production cost, simultaneously as at least part of protrusion 150 is located in cover 122, therefore, enhance float seat 128 and cover 122 overall structural strength reduces the probability that structure is lost and deformed, extends the service life of product；Further, lead to It crosses on the bottom wall that stomata 124 is arranged in cover 122, so that can play when gas is entered by stomata 124 and push float 112 The purpose of movement.

In specific embodiment, positive seal auxiliary section 118 and negative-pressure sealing auxiliary section 120 are same structure part, that is, positive pressure Sealing fit portion 118 and negative-pressure sealing auxiliary section 120 be using the cross central line of seal 116 as the symmetrical structure of axis, In, cross central line is perpendicular to ground.

In specific embodiment, sealing ring 114 is rubber seal or silica gel sealing ring.

In specific embodiment, float 112 further include: first row stomata 138 and second row stomata 140, first row stomata 138 It is connected respectively with exhaust passage 110 with second row stomata 140.By the way that gas vent 124 is arranged, and then realize exhaust passage 110 It is connected to the space of 126 top of the space of 126 lower section of cover board and/or cover board, to limit the flow direction of air-flow.More specifically In, when sealing ring 114 is in the position between positive seal position and negative-pressure sealing position, 118 He of positive seal auxiliary section Negative-pressure sealing auxiliary section 120 is not all in contact with the first auxiliary section 106 and the second auxiliary section 108, first row stomata 138 and second Gas vent 140 exposes outside through-hole 104, at this point, first row stomata 138 is by the cooking cavity and exhaust passage 110 of the lower section of cover board 126 The space of 126 top of cover board is connected to by connection, second row stomata 140 with exhaust passage 110；When sealing ring 114 is in positive densification When sealing position, positive seal auxiliary section 118 and through-hole 104 are tightly connected, and first row stomata 138 is located in through-hole 104, thus nothing Method is connected to the cooking cavity of 126 lower section of cover board, realizes that exhaust passage 110 and the cooking cavity of 126 lower section of cover board are not connected to, realizing will The cooking cavity of 126 lower section of space and cover board of 126 top of cover board disconnects；When sealing ring 114 is in negative-pressure sealing position, negative pressure Sealing fit portion 120 and stomata 124 are tightly connected, to can not be connected to the space of 126 lower section of cover board, realize exhaust passage 110 are not connected to the space of 126 lower section of cover board, realize and the space of 126 top of cover board and the cooking cavity of 126 lower section of cover board are broken It opens.

In specific embodiment, as shown in Figures 1 to 4, the setting in the installation cavity of one end of sealing ring 114 of float 112 Magnetic part 142, and sealing element 144 is arranged in the junction of magnetic part 142 and installation cavity, for sealing magnetic part 142 and installation cavity Junction space, the case where entering in installation cavity to avoid steam etc. and be stained magnetic part 142 generation avoids bacterium It breeds.

In specific embodiment, as shown in Fig. 2, cooking equipment 1 is in passive state, when cooking equipment 1 works, initial rank Duan Shi, no pressure in the cooking cavity of cooking equipment 1, float 112 are in nature falling state；As shown in figure 3, working as cooking equipment 1 Internal temperature increases and then generates certain pressure, and pressure pushes float 112 to move so that float 112 with dynamic seal ring 114 to Upper floating, when sealing ring 114 floats up to pre-determined distance, sealing ring 114 starts to contact the first auxiliary section 106, when cooking equipment 1 Cooking cavity in pressure continue to increase, sealing ring 114 continues to float, and sealing ring 114 is crushed out of shape, the first auxiliary section 106 with The sealing cooperation of sealing ring 114 is avoided the steam in cooking cavity from leaking out, realizes culinary art so that exhaust passage 110 is sealed The positive seal state of equipment 1；As shown in figure 4, when generating negative pressure in cooking cavity, that is, the atmospheric pressure value in cooking cavity is lower than outer Boundary's atmospheric value, under the action of negative pressure, under sealing ring 114 floating to negative-pressure sealing position at, the second auxiliary section 108 and sealing ring 114 contact and are deformed so that the second auxiliary section 108 cooperates with the sealing of sealing ring 114, at this point, exhaust passage 110 It is sealed, external steam is avoided to enter cooking cavity, it is ensured that pumping efficiency in cooking cavity, realize the negative-pressure dense of cooking equipment 1 Envelope state.

As shown in Figure 1, second aspect embodiment according to the present utility model, it is also proposed that a kind of cooking equipment 1, comprising: Cooker body 20；And the upper cover 10 of the cooking equipment as described in first aspect embodiment, the upper cover 10 and cooker body 20 of cooking equipment can be covered It closes or opens, the upper cover 10 of cooker body 20 and cooking equipment, which is covered to enclose when closing, sets out cooking cavity.

Cooking equipment 1 provided by the utility model, because including that cooker body 20 and the culinary art as described in first aspect embodiment are set Standby upper cover 10, therefore whole beneficial effects of the upper cover 10 with above-mentioned cooking equipment, do not do state one by one herein.

Specifically, cooking equipment 1 is micro-pressure electric rice cooker or electric pressure cooking saucepan.

In specific embodiment, as shown in Figure 1, the upper cover 10 of cooking equipment includes: outer cover 148, inner cover 146 and cover board 126, Cover board 126 is removably fixed on inner cover 146.The interior pot 202 of cooking equipment 1 is placed in cooker body 20.

In the present invention, term " multiple " then refers to two or more, unless otherwise restricted clearly.Term The terms such as " installation ", " connected ", " connection ", " fixation " shall be understood in a broad sense, for example, " connection " may be a fixed connection, It can be and be detachably connected, or be integrally connected；" connected " can be directly connected, and can also pass through the indirect phase of intermediary Even.For the ordinary skill in the art, it can understand above-mentioned term in the present invention as the case may be Concrete meaning.

In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiment or examples In can be combined in any suitable manner.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of upper cover of cooking equipment characterized by comprising

Lid is provided with through-hole, the first auxiliary section and the second auxiliary section；

Float, the float are equipped with exhaust passage, and when the exhaust passage is opened, the cooking cavity of the cooking equipment can be along institute State exhaust passage exhaust；

The float is connected to the through-hole and can be equipped with sealing ring along the through-hole activity, the float, and the float is living The sealing ring is driven to move when dynamic between positive seal position and negative-pressure sealing position；

Cooperate when the sealing ring is in the positive seal position with first auxiliary section sealing, makes the exhaust passage quilt Sealing；

Cooperate when the sealing ring is in the negative-pressure sealing position with second auxiliary section sealing, makes the exhaust passage quilt Sealing；

When position of the sealing ring between the positive seal position and the negative-pressure sealing position, the exhaust passage It opens.

2. the upper cover of cooking equipment according to claim 1, which is characterized in that

The sealing ring includes:

Seal and the positive seal auxiliary section and negative-pressure sealing auxiliary section being arranged on the seal；

When the sealing ring is in the positive seal position its described positive seal auxiliary section and first auxiliary section against Sealing cooperation is formed, the exhaust passage is sealed；

When the sealing ring is in the negative-pressure sealing position its described negative-pressure sealing auxiliary section and second auxiliary section against Sealing cooperation is formed, the exhaust passage is sealed.

3. the upper cover of cooking equipment according to claim 2, which is characterized in that

The positive seal auxiliary section includes the first skirt for being located at the sealant surface, and the side of protruding out of first skirt The surface of the seal where Xiang Yuqi is in be greater than 0 ° of angle less than 180 °, and the sealing ring is in the positive seal When position, first skirt and first auxiliary section cooperate against the sealing is formed；And/or

The negative-pressure sealing auxiliary section includes the second skirt for being located at the sealant surface, and the side of protruding out of second skirt The surface of the seal where Xiang Yuqi is in be greater than 0 ° of angle less than 180 °, and the sealing ring is in the negative-pressure sealing When position, second skirt and second auxiliary section cooperate against the sealing is formed.

4. the upper cover of cooking equipment according to claim 2, which is characterized in that

The seal, the positive seal auxiliary section and the negative-pressure sealing auxiliary section are an integral structure；And/or the row Gas channel is arranged on the float.

5. the upper cover of cooking equipment according to any one of claim 1 to 4, which is characterized in that

The lid includes cover plate assembly and the cover that is connected with the cover plate assembly, and the through-hole runs through the cover board group Part, the position that the float is equipped with the sealing ring are extend into the cover, and the cover is equipped with stomata, the cover board group One be formed in first auxiliary section and second auxiliary section on part is formed with first cooperation on the cover Another in portion and second auxiliary section, wherein

When the sealing ring and first auxiliary section cooperate, closing the through-hole seals the exhaust passage, described close When seal and second auxiliary section cooperate, closing the stomata seals the exhaust passage.

6. the upper cover of cooking equipment according to claim 5, which is characterized in that the cover plate assembly includes:

Cover board；

Float seat is located on the cover board, and the cover connect with the float seat and covers on the outside of the float seat, and described the One in one auxiliary section and second auxiliary section is arranged on the cover board or the float seat.

7. the upper cover of cooking equipment according to claim 6, which is characterized in that

The cover board is equipped with mounting hole, and the float seat is connected to the mounting hole, and the float seat is provided with flange, institute Flange is stated to be located on the outside of the cover board and rely on the cover board outer surface；

The cover is located on the inside of the cover board and connect with the float seat, at the position between the cover and the cover board Equipped with gasket and gasket, the gasket is between the gasket and the cover board, and the cover abuts against the gasket The gasket and the cover board is set to clamp the gasket.

8. the upper cover of cooking equipment according to claim 6, which is characterized in that

The cover and the float seat are split type structure.

9. the upper cover of cooking equipment according to claim 6, which is characterized in that

The float seat tool has the flange for riding upon the cover board upper surface and from the flange towards vertically extending protrusion, At least part of the protrusion is located in the cover, and the lower end surface of the protrusion forms first auxiliary section, the gas Hole is located on the bottom wall of the cover.

10. a kind of cooking equipment characterized by comprising

Cooker body；And

The upper cover of cooking equipment as claimed in any one of claims 1-9 wherein,

Conjunction or opening can be covered with the cooker body, the cooker body and the upper cover lid of the cooking equipment enclose when closing sets out cooking cavity.