CN107136944A - A kind of pot cover - Google Patents

Abstract

The pot cover of the present invention, including pot cover body and exhaust part, the pot cover body is provided with mounting hole, the exhaust part is installed on the mounting hole, the exhaust part includes exhaust piece and sidepiece, and described sidepiece one end extends to the downside of pot cover body, and other end is located at more than the outer surface of pot cover body, the exhaust piece is provided with exhaust hole and polywater recess, and exhaust hole is located in polywater recess.During culinary art, the exhaust hole of the vapor being thermally formed from exhaust piece overflows, and some vapor condense to the cold on exhaust piece, because exhaust piece is provided with polywater recess, the water droplet of condensation is collected at the polywater recess of exhaust piece, it can be flowed back under gravity from exhaust hole in pot when water is enough, on the one hand the water droplet for avoiding condensation flows the pollution for causing pot cover or even some parts for damaging cooking pot tool along pot cover, on the other hand the portion of water of institute's cooking food can be also kept, food is kept preferable nutrition and mouthfeel.

Description

A kind of pot cover

【Technical field】

The present invention relates to a kind of pot cover, and more particularly to a kind of pot cover with polywater exhaust component.

【Background technology】

The cooking apparatus such as existing electric cooking machine and frying pan are substantial amounts of due to that can be produced to heat foods in cooking process Vapor, in order to ensure that the pressure in pot is no more than safety value, generally offers exhaust hole on pot cover；But common row Gas aperture protrudes from pot cover surface, and vapor condenses into water droplet at exhaust hole rapidly to the cold after exhaust hole discharge, and Flowed along pot cover, cause pot cover to pollute, or even some parts of cooking apparatus can be damaged.

【The content of the invention】

The technical problems to be solved by the invention are to overcome the deficiencies in the prior art and provide a kind of with polywater exhaust The pot cover of part, with solve in the prior art water vapor condensation flowing pollution pot cover the problem of.

Above-mentioned technical problem is solved, the present invention is adopted the following technical scheme that：

A kind of pot cover, including pot cover body and exhaust part, the pot cover body are provided with mounting hole, and the exhaust part is installed In the mounting hole, the exhaust part includes exhaust piece and sidepiece, and described sidepiece one end extends to the downside of pot cover body, in addition One end is located at more than the outer surface of pot cover body, and the exhaust piece is provided with exhaust hole and polywater recess, and exhaust hole is located at In polywater recess.

Further, the polywater recess includes lateral circle surface and bottom, and the lateral circle surface and the junction of the bottom are Arc transition.

Further, the lateral circle surface includes the lateral curvature face being connected with the bottom, and the lateral curvature face is supported or opposed from institute State the direction protrusion of polywater recess.

Further, the lateral circle surface includes the side plane portion with the bottom with angle α, 90 °≤α≤135 °.

Further, the depth of the polywater recess is 1-5mm.

Further, a diameter of 1.5-2.5cm of the mounting hole.

Further, the pot cover also includes pot-cover handle, the distance at the center of the mounting hole to the handle centre For 8-15cm.

Further, the exhaust part also includes retainer plate, and the retainer plate includes the sidepiece, one end of the sidepiece It is connected with the exhaust piece so that the exhaust piece is fixed to the mounting hole, the other end of the sidepiece is provided with flange, described Flange is locked on the lower surface of the mounting hole periphery, so that the exhaust part is installed on the mounting hole.

Further, the exhaust piece is provided with multiple exhaust holes, and the multiple exhaust hole is spaced apart.

Further, the exhaust hole is respectively provided with round and smooth profile.

Beneficial effects of the present invention：

1st, pot cover of the invention, including pot cover body and exhaust part, the pot cover body is provided with mounting hole, the exhaust Part is installed on the mounting hole, and the exhaust part includes exhaust piece and sidepiece, and described sidepiece one end is extended under pot cover body Side, other end is located at more than the outer surface of pot cover body, and the exhaust piece is provided with exhaust hole and polywater recess, is vented small Hole position is in polywater recess.During culinary art, to the heat foods in pot, the exhaust hole of vapor from the exhaust piece of formation overflows, And some vapor condense to the cold on exhaust piece, because exhaust piece is provided with polywater recess, the water droplet of condensation is collected at At the polywater recess for being vented piece, it can flow back in pot, on the one hand avoid from exhaust hole under gravity when water is enough The water droplet of condensation flows the pollution for causing pot cover or even some parts for damaging cooking pot tool along pot cover, on the other hand can also protect The portion of water of institute's cooking food is held, food is kept preferable nutrition and mouthfeel.

2nd, further, the polywater recess includes lateral circle surface and bottom, the lateral circle surface and the junction of the bottom For arc transition.So as on the one hand prevent water droplet from accumulating the junction in lateral circle surface and bottom, be conducive to condensing in lateral circle surface Water droplet is back to bottom along smooth transition part；On the other hand, the stress of the lateral circle surface and bottom junctions is decreased, So that the bulk strength of exhaust piece is improved.

3rd, further, to include the lateral curvature that be connected with the bottom facial for the lateral circle surface, the lateral curvature face support or oppose from The direction protrusion of the polywater recess.So as to which lateral curvature face is conducive to the water droplet for condensing in lateral circle surface to be back to along the curved surface Bottom.

4th, further, the lateral circle surface includes the side plane portion with the bottom with angle α, 90 °≤α≤135 °. In this way, during electric cooking machine work, to the heat foods in pot, the exhaust hole of vapor from the exhaust piece of formation overflows, a side Face so that the upper opening area of exhaust part is more than or equal to the area of bottom, is conducive to vapor to discharge pot, reduces vapor The chance contacted with lateral circle surface；On the other hand, when a part of Water vapor condensation is on the lateral circle surface, inclined lateral circle surface pair Play a part of water conservancy diversion in the backflow of water droplet, be conducive to water droplet to be back to bottom along the inclined side plane portion.

5th, further, the depth of the polywater recess is 1-5mm.On the one hand, when the depth of polywater recess is less than 1mm When, to water droplet gather effect it is unobvious, can still occur water droplet along pot cover flow the problem of；On the other hand, when polywater recess is deep When degree is more than 5mm, vapor needs to discharge through the longer depth of polywater recess after exhaust hole spilling, with lateral circle surface Contact area and chance all increase so that the water droplet of condensation becomes many, is unfavorable for the discharge of vapor.

6th, further, a diameter of 1.5-2.5cm of the mounting hole.On the one hand, mounting hole is needed with sufficiently large Size, to allow the exhaust part provided with exhaust hole that is installed on it, one is to be easy to open up exhaust on sufficiently large exhaust part The technique of aperture considers that two be in order to enough exhaust passage areas, to meet the discharge of the more vapor of electric cooking machine Demand, therefore the diameter of mounting hole is not less than 1.5cm；On the other hand, the size of mounting hole is meeting electric cooking machine discharge water steaming In the case of the demand of gas, it is not necessary to excessive, one is the material for avoiding wasting exhaust piece, and two be to prevent mounting hole is excessive from causing to cook The thermal protection effect for process of preparing food is deteriorated, therefore the diameter of mounting hole is not more than 2.5cm.

7th, further, the pot cover also includes pot-cover handle, the center of the mounting hole to the handle centre away from From for 8-15cm.For the ease of lifting pot cover, pot-cover handle is provided with pot cover, is on the one hand in one's hands for user and holds handle When the high-temperature vapor that is not excluded in exhaust piece scald, the distance of mounting hole and handle can not be less than 8cm；On the other hand, institute The position of mounting hole (exhaust hole) is stated preferably close proximity to pot cover center, especially, when the pot-cover handle is just arranged on During the center of the pot cover, the position of the mounting hole (exhaust hole) is preferably close proximity to handle centre, in order to pot The vapor of each interior position uniformly and quickly discharges foreign countries, keeps pot inner pressure balance, therefore the distance of mounting hole and handle No more than 15cm.

8th, further, the exhaust part also includes retainer plate, and the retainer plate includes the sidepiece, the one of the sidepiece End is connected with the exhaust piece so that the exhaust piece is fixed to the mounting hole, and the other end of the sidepiece is provided with flange, institute The lower surface that flange is locked on the mounting hole periphery is stated, so that the exhaust part is installed on the mounting hole.The retainer plate With exhaust piece can one or split be molded, sidepiece is arranged on retainer plate, and its one end is connected so that exhaust part with being vented piece Upper surface, its other end formation flange to mounting hole periphery are engaged to the lower surface of mounting hole periphery, can be easily by row Gas part is fixed at mounting hole；On the one hand it is easy to machine-shaping with the retainer plate of exhaust piece split, it is integrally formed with exhaust piece Retainer plate assembly process is simple, and the exhaust part can both use stainless steel, it would however also be possible to employ rigid plastics or other gold Belong to material etc., rigidity is larger is unlikely to deform for it, is easy to assembling.

9th, further, the exhaust piece is provided with multiple exhaust holes, and the multiple exhaust hole is spaced apart.So as to, Connecting portion is formed between each exhaust hole, on the one hand multiple exhaust holes, which ensure that, generally has enough capacities, Prevent that splash comes out steam from gap, while the area of single exhaust hole is smaller, blocks foreign matter and is fallen into from hole in pot, separately On the one hand, these connecting portions also effectively enhance the bulk strength of exhaust piece, and only need to open up a peace on pot cover Hole is filled, manufacturing process is simple.

10th, further, the exhaust hole is respectively provided with round and smooth profile.So as to which round and smooth profile one side is effectively The accumulation of greasy dirt, impurity is avoided, is on the other hand easier to clean, makes exhaust piece be more prone to keep clean.

The present invention these features and advantage will be detailed in following embodiment, accompanying drawing exposure.

【Brief description of the drawings】

The present invention is described further below in conjunction with the accompanying drawings：

Fig. 1 is the exploded perspective view of the Lid of glass pot of embodiment 1；

Fig. 2 is the sectional view after Fig. 1 Lid of glass pot assembling；

Fig. 3 is the enlarged drawing of part A in Fig. 2；

Fig. 4 is the stereogram of the exhaust piece of embodiment 1；

Fig. 5 is the stereogram of the exhaust piece of embodiment 2；

Fig. 6 is the stereogram of the exhaust piece of embodiment 3；

Fig. 7 is the sectional view after the Lid of glass pot assembling of embodiment 5.

Reference

1- pot cover bodies, 11- mounting holes；2- stainless steel bound edges；3- is vented piece, 31- exhaust holes, 32- bottoms, 33- sides Side face, 34- polywater recesses, 35- junctions, 36- ribs, the edge of 361- ribs, 362- reinforcements convex portion, 37- bending parts, Bending part under the upper bending parts of 371-, 372-, 373- avoids mouth, 374- accommodation spaces；4- stainless steel retainer plates, the flange of 41- first, The flange of 42- second, 43- sidepieces；5- sealing rings；The diameters of d- first, D- Second bobbin diameters.

【Embodiment】

The technical scheme of the embodiment of the present invention is explained and illustrated with reference to the accompanying drawing of the embodiment of the present invention, but under Embodiment only the preferred embodiments of the present invention are stated, and it is not all.Based on the embodiment in embodiment, those skilled in the art Other embodiment is obtained on the premise of creative work is not made, protection scope of the present invention is belonged to.

Embodiment 1

As shown in figure 1, a kind of pot cover is present embodiments provided, including pot cover body 1 and exhaust part, the pot cover body 1 is provided with mounting hole 11, and the exhaust part is installed on the mounting hole 11, and the exhaust part includes exhaust piece 3 and sidepiece 43, described The one end of sidepiece 43 extends to the downside of pot cover body 1, and other end is located at more than the outer surface of pot cover body 1, the exhaust piece 3 Exhaust hole 31 and polywater recess 34 are provided with, exhaust hole 31 is located in polywater recess 34.During culinary art, the food in pot is added Heat, the exhaust hole of vapor from the exhaust piece of formation overflows, and some vapor condense to the cold on exhaust piece, due to row Gas piece is provided with polywater recess, and the water droplet of condensation is collected at the polywater recess of exhaust piece, can be in gravity when water is enough Flowed back under effect from exhaust hole in pot, the water droplet on the one hand avoiding condensation causes the pollution of pot cover even along pot cover flowing Some parts of cooking pot tool are damaged, on the other hand the portion of water of institute's cooking food can be also kept, food is kept preferable Nutrition and mouthfeel.

Advantageously, above-mentioned pot cover can be used for the cooking apparatus such as electric cooking machine (such as cooking machine, electric cooking pot) or frying pan (not shown).

Advantageously, the pot cover body 1 is Lid of glass pot body, and the exhaust piece 3 is that stainless steel is vented piece, and described Pot cover also includes the stainless steel bound edge 2 positioned at the edge of Lid of glass pot body 1., can be in cooking process in real time using Lid of glass pot The cooking situation of dish is observed, is easy to management in time and operates, more hommization；Piece and stainless ladle are vented using stainless steel Side, its structure (for example bending) is easier machine-shaping, and the exhaust exhaust piece beyond Lid of glass pot using consistent material More coordinate attractive in appearance with bound edge, meanwhile, the edge of Lid of glass pot can often touch pot when in use, and stainless steel bound edge can be more Good protective glass pot cover；Further, since the pot cover is often in contact with vapor or faces washing, it can also be prevented using stainless steel Get rusty, be easy to the maintenance of pot cover.

Advantageously, as in Figure 2-4, the polywater recess 34 include lateral circle surface 33 and bottom 32, the lateral circle surface 33 with The junction 35 of the bottom 32 is arc transition.On the one hand prevent water droplet from accumulating the junction in lateral circle surface and bottom, favorably Bottom is back in condensing in the water droplet of lateral circle surface along smooth transition part；On the other hand, decrease the lateral circle surface and The stress of bottom junctions so that the bulk strength of exhaust piece is improved.In other embodiments, in order to simplify technique, side The junction 35 of side face 33 and bottom 32 can also be wedge angle/right angle.

Advantageously, to include the lateral curvature that be connected with the bottom 32 facial for the lateral circle surface 33, the lateral curvature face support or oppose from The direction protrusion of the polywater recess 34.In the present embodiment, the whole of the lateral circle surface 33 is lateral curvature face, in other realities Apply in example, lateral curvature face can also be a part for lateral circle surface 33.The lateral curvature face is conducive to condensing in the water droplet edge of lateral circle surface The curved surface and be back to bottom.

Advantageously, the depth of the polywater recess 34 is 1-5mm.On the one hand, when the depth of polywater recess is less than 1mm, To water droplet gather effect it is unobvious, can still occur water droplet along pot cover flow the problem of；On the other hand, when polywater recess depths are big When 5mm, vapor passes through the longer depth of polywater recess, contact area and chance with lateral circle surface after exhaust hole spilling All increase so that the water droplet of condensation becomes many, is unfavorable for the discharge of vapor.

Advantageously, the exhaust hole 31 is arranged at the bottom 32.On the one hand, the water discharged from base bleed aperture steams Gas can contact lateral circle surface as few as possible, so as to reduce the water of condensation；On the other hand, the technique for forming exhaust hole in bottom Simply, the assembling of lateral circle surface and mounting hole and is not influenceed, while exhaust hole is located at the place of telling somebody what one's real intentions are of polywater recess as much as possible, It is easy to the water droplet of condensation to be flowed back into pot.In other embodiments, in order to increase the area of exhaust hole, the exhaust hole 31 Also extendably arrange and the junction 35, even on the lateral circle surface 33.

Advantageously, the exhaust piece 3 includes the rib 36 that multiple edges from the exhaust piece 3 extend to center, by The edge 361 of each rib surrounds the exhaust hole 31.That is, the exhaust piece 3 of the present embodiment includes one Big exhaust hole.Specifically, in the present embodiment, the rib 36 is located at the bottom 32, that is to say, that described to strengthen Portion 36 is to extend from the edge of the bottom 32 to the center of the bottom.On the one hand, exhaust piece of the invention includes one Big exhaust hole, it is ensured that the capacity of the cooking apparatus more than vapor, on the other hand, by setting rib, it is to avoid The problem of caused exhaust piece intensity of big exhaust hole reduces is opened up on exhaust piece.Substantially, the present embodiment by each reinforcement The big exhaust hole that the edge in portion is surrounded can also regard several small exhaust holes as and communicate with each other.

Advantageously, the exhaust piece 3 is circle, and the shape of each rib 36 is identical, and along the circle of the exhaust piece 3 Circumferential direction is uniformly distributed.It is circle to be vented piece, is easy to process and installs, and avoids the stress collection of periphery when shape changeable is installed In；So that each rib shape is identical, and it is uniformly distributed along the circumferencial direction of exhaust piece so that each rib can be equal Exhaust piece is supported from all directions of exhaust piece circumference evenly, so that the bulk strength for being vented piece is equably carried Rise.In other embodiments, in order to meet design and demand attractive in appearance, the shape of exhaust piece can also be square, triangle, Oval or any other shapes.

Advantageously, in the present embodiment, the quantity of the rib 36 is 6.In other embodiments, the rib Quantity can also be 3,4 or 5.When the quantity of rib is less than 3, the supporting role for exhaust piece is inadequate Ideal, when the quantity of rib is more than six, on the one hand can influence the area of exhaust hole, reduce capacity, on the other hand Also it is not easy to processing.

Advantageously, the exhaust hole 31 has round and smooth profile.So as to which on the one hand round and smooth profile efficiently avoid The accumulation of greasy dirt, impurity, is on the other hand easier to clean, and makes exhaust piece be more prone to keep clean.In other embodiments, it is It is easy to processing, the profile of the exhaust hole 31 can also include wedge angle.

Advantageously, beeline of the rib 36 apart from the center of exhaust hole 31 is 1-5mm.On the one hand, it is Ensure that exhaust hole has sufficiently large area, beeline of the rib apart from exhaust hole center is preferably no less than 1mm；On the other hand, it is contemplated that the overall diameter of exhaust piece is general in 20mm or so, in order to ensure that exhaust piece has enough intensity, The deformation such as do not twist, bend, and beeline of the rib apart from exhaust hole center is preferably not more than 5mm.Meanwhile, it is excellent Selection of land, the length of the free portion of rib 36 should between 1-7mm, in order to ensure the supporting role of rib simultaneously, and Itself free portion is not susceptible to torsional deformation.

Advantageously, a diameter of 1.5-2.5cm of the mounting hole 11.On the one hand, mounting hole is needed with sufficiently large chi It is very little, it is to be easy to the technique for opening up exhaust hole on piece to be vented with the exhaust piece provided with exhaust hole that allows to be installed on it, one Consider, two be that in order to enough exhaust passage areas, to meet the emissions requirements of more vapor, therefore mounting hole is straight Footpath is not less than 1.5cm；On the other hand, the size of mounting hole is in the case where meeting the demand of vent water vapor, it is not necessary to excessive, One is the material for avoiding wasting exhaust piece, and two be to prevent the excessive thermal protection effect for causing cooking process of mounting hole to be deteriorated, therefore peace The diameter in dress hole is not more than 2.5cm.

Advantageously, the mounting hole 11 has the first diameter d, and the pot cover body 1 has Second bobbin diameter D, and 1:18 ≤d/D≤1:12.On the one hand, mounting hole is needed with sufficiently large size, to allow the row provided with exhaust hole that is installed on it Gas piece, one is to be easy to the technique for opening up exhaust hole to consider that two be in order to enough exhaust passage faces on piece to be vented Product, to meet the emissions requirements of more vapor, therefore considers a diameter of 30cm of usual pot/pot cover or so, mounting hole with The diameter ratio of pot cover is not less than 1:18；On the other hand, the size of mounting hole is in the case where meeting the demand of vent water vapor, no Need it is excessive, one be avoid waste exhaust piece material, two be to prevent the excessive thermal protection effect for causing cooking process of mounting hole from becoming Difference, therefore the diameter ratio no more than 1 of mounting hole and pot cover:12.

Advantageously, the pot cover also includes pot-cover handle (not shown), and the center of the mounting hole 11 is to described The distance at hand center is 8-15cm.For the ease of lifting pot cover, pot-cover handle is provided with pot cover, on the one hand for user When gripping handle not by exhaust piece in the high-temperature vapor that excludes scald, the distance of mounting hole and handle can not be less than 8cm；Separately On the one hand, the position of the mounting hole (exhaust hole) is preferably close proximity to pot cover center, especially, in the present embodiment, The pot-cover handle is just arranged on the center of the pot cover, the position of the mounting hole (exhaust hole) preferably close proximity to Handle centre, in order to which the vapor of each position in pot uniformly and quickly discharges foreign countries, keeps pot inner pressure balance, therefore peace The distance of dress hole and handle is not more than 15cm.

Advantageously, as Figure 2-3, the edge formation bending part 37 of the stainless steel exhaust piece 3, the bending part 37 is pressed It is against the upper surface of the periphery of mounting hole 11.Pass through compressing for the bending part so that stainless steel is vented the peace of piece and mounting hole Contact area increase is filled, so that the assembly reliability of exhaust piece and mounting hole is improved, and the bending part is together with exhaust piece one Rise and coat the mounting hole, be effectively protected the periphery of glass mounting hole.

Advantageously, as shown in figure 3, the bending part 37 includes upper bending part 371 and lower bending part 372, the upper bending The inner side in portion 371 is connected with the upper end of the lateral circle surface 33, the outside of the upper bending part 371 and the lower bending part 372 Outside is connected, and sealing ring 5 is provided between the lower surface of the lower bending part 372 and the upper surface of the periphery of the mounting hole 11.Need It is noted that inner side here refers to the side close to exhaust piece 3 center, outside refers to the side away from exhaust piece 3 center. In this way, exposed parts are continuous surface (junction of upper bending part and lower bending part) after the bending part of exhaust piece is assembled with mounting hole Rather than end face, it is not only attractive in appearance, also make exposed parts rounder and more smooth, safe.Using sealing ring, moisture in pot can be prevented from folding Fit-up gap between turn of bilge and mounting hole is overflowed, and along pot cover surface flow, causes pan to pollute, and on the other hand, also can Row buffering, the reliability of reinforced assembly are squeezed into bending part and mounting hole outer peripheral face.In other embodiments, in order to save Cost and installation procedure, the pot cover also may not include sealing ring.

Advantageously, the exhaust part also includes stainless steel retainer plate 4, and the top edge of the stainless steel retainer plate 4 is provided with First flange 41, the bottom of the retainer plate 4 is provided with the second flange 42, first flange 41 by lower bending part 372 compress to The upper surface of the periphery of mounting hole 11, second flange 42 is locked on the lower surface of the periphery of mounting hole 11 so that it is described not Rust steel exhaust piece 3 is installed on the mounting hole 11.By the stainless steel retainer plate of split, make under the first flange locking at the top of it Bending part to the second flange of the upper surface of mounting hole periphery, its bottom is engaged to the lower surface of mounting hole periphery, can be facilitated Ground is fixed on piece is vented at mounting hole；Be vented piece split retainer plate on the one hand be easy to machine-shaping, on the other hand due to Stainless steel is rigidly larger to be unlikely to deform, and assembling is easy to using exhaust piece and the retainer plate of split.

Advantageously, the stainless steel retainer plate 4 includes the sidepiece 43, and the one end of sidepiece 43 is extended under pot cover body 1 Side simultaneously forms the second flange 42, and other end extends the first more than outer surface to be formed positioned at pot cover body 1 flange 41.So as to The depth of mounting hole is adapted to, retainer plate is engaged exhaust piece.

Advantageously, formed and worn for first flange 71 between the inner side of the lower bending part 372 and the lateral circle surface 33 The avoidance mouthful 373 crossed, is formed between the lower bending part 372 and the upper bending part 371 for housing first flange 41 Accommodation space 374.In this way, the first flange can be made to stretch into above lower bending part, so that retainer plate is engaged to exhaust piece.

During installation, exhaust piece 3 carries out folded side by scrap (bridge) form with retainer plate 4 and fixed, then encrypts envelope below exhaust piece 3 5 (such as silica gel rings) are enclosed, the mounting hole 11 on Lid of glass pot body 1 is then passed through, spinning is carried out to retainer plate 4, retainer plate 4 is revolved The circle more than 4/3 is pressed into, so that exhaust piece 3, sealing ring 5 and retainer plate 4 are fixed together.

Embodiment 2：

The present embodiment 2 and the difference of embodiment 1 are, as shown in figure 5, the junction of neighbouring reinforcement 36 is convex provided with strengthening Protruded to exhaust piece 3 center portion 362, the reinforcement convex portion 362.Strengthening convex portion can enter to the junction of each neighbouring reinforcement Row support, and advantageously reduce the stress concentration of junction.

Embodiment 3：

The present embodiment 3 and the difference of embodiment 1 are, as shown in fig. 6, the exhaust piece 3 is provided with multiple exhaust holes 31, The multiple exhaust hole 31 is spaced apart.So as to be formed with connecting portion between each exhaust hole, on the one hand multiple exhausts are small Hole, which ensure that, generally has enough capacities, prevents that splash comes out steam from gap, while the area of single exhaust hole It is smaller, block foreign matter and fallen into from hole in pot, on the other hand, these connecting portions also effectively enhance the overall strong of exhaust piece Degree, and only need to open up a mounting hole on pot cover, manufacturing process is simple.

In the present embodiment, provided with 9 exhaust holes in exhaust piece 3, one of them is located at central part, and remaining 8 are distributed in The periphery of the centre bore.Preferably, each exhaust hole is circular and size is identical.On the one hand it is easy to process, on the other hand Exhaust is uniform.In other embodiments, the quantity of exhaust hole, shape and arrangement position are not limited to cited by the present embodiment Situation.

Embodiment 4：

The present embodiment 4 and the difference of embodiment 1 are that the lateral circle surface 33 includes having angle α with the bottom 32 Side plane portion, 90 °≤α≤135 ° (not shown).In this way, during culinary art, to the heat foods in pot, the vapor of formation from The exhaust hole for being vented piece overflows, on the one hand, is more than or equal to the area of bottom due to being vented the upper opening area of piece, is conducive to Vapor discharges pot, reduces the chance that vapor is contacted with exhaust piece lateral circle surface；On the other hand, when a part of Water vapor condensation When on the lateral circle surface, inclined lateral circle surface plays a part of water conservancy diversion for the backflow of water droplet, is conducive to water droplet to incline along this Oblique side plane portion is back to bottom.

Embodiment 5：

The present embodiment 4 and the difference of embodiment 1 are, as shown in fig. 7, the lower surface of the bending part 37 is installed with described Sealing ring is provided between the upper surface of hole periphery.In this embodiment, processing technology is simplified, cost has been saved.

Preferably, in the present embodiment, the exhaust piece 3 of exhaust part is integrally formed with retainer plate.During installation, directly in exhaust Seal (such as silica gel ring) is encrypted below part, the mounting hole on Lid of glass pot body is then passed through, spinning is carried out to retainer plate part, Retainer plate part is spun into the circle more than 4/3, so that exhaust part sealing ring and mounting hole are fixed together.The row of reducing The assembly process of gas piece and retainer plate.

The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, and is familiar with The those skilled in the art should be understood that the present invention includes but is not limited to accompanying drawing and interior described in embodiment above Hold.The modification of any function and structure principle without departing from the present invention is intended to be included in the scope of claims.

Claims (10)

1. a kind of pot cover, including pot cover body and exhaust part, it is characterised in that the pot cover body is provided with mounting hole, described Exhaust part is installed on the mounting hole, and the exhaust part includes exhaust piece and sidepiece, and described sidepiece one end extends to pot cover body Downside, other end be located at pot cover body outer surface more than, it is described exhaust piece be provided with exhaust hole and polywater recess, row Gas aperture is located in polywater recess.

2. pot cover as claimed in claim 1, it is characterised in that the polywater recess includes lateral circle surface and bottom, the side week The junction of face and the bottom is arc transition.

3. pot cover as claimed in claim 2, it is characterised in that the lateral circle surface includes the N-Side surf being connected with the bottom Portion, the lateral curvature face is supported or opposed from the direction protrusion of the polywater recess.

4. pot cover as claimed in claim 2, it is characterised in that the lateral circle surface includes the side with the bottom with angle α Planar portions, 90 °≤α≤135 °.

5. pot cover as claimed in claim 1, it is characterised in that the depth of the polywater recess is 1-5mm.

6. pot cover as claimed in claim 1, it is characterised in that a diameter of 1.5-2.5cm of the mounting hole.

7. pot cover as claimed in claim 1, it is characterised in that the pot cover also includes in pot-cover handle, the mounting hole The distance of the heart to the handle centre is 8-15cm.

8. pot cover as claimed in claim 1, it is characterised in that the exhaust part also includes retainer plate, the retainer plate includes The sidepiece, one end of the sidepiece is connected with the exhaust piece so that the exhaust piece is fixed to the mounting hole, the side The other end in portion is provided with flange, and the flange is locked on the lower surface of the mounting hole periphery, so that the exhaust part is installed on The mounting hole.

9. pot cover as claimed in claim 1, it is characterised in that the exhaust piece is provided with multiple exhaust holes, the multiple row Gas aperture is spaced apart.

10. pot cover as claimed in claim 9, it is characterised in that the exhaust hole is respectively provided with round and smooth profile.