CN214964679U - Steam valve and electric cooker - Google Patents

Abstract

The utility model discloses a steam valve and electric rice cooker belongs to the kitchen appliances field, solves among the prior art not enough scheduling problem of steam valve anti-overflow ability, the utility model discloses a steam valve, including valve body and valve gap, be equipped with the venthole on the valve gap, still be equipped with the sleeve on the valve gap, be equipped with on the valve body and stretch into admission cylinder in the sleeve, admission cylinder upper end with first broken bubble clearance has between the valve gap, the admission cylinder with broken bubble clearance of second has between the sleeve, the width in first broken bubble clearance is less than the width in the broken bubble clearance of second. Above-mentioned steam valve can realize twice broken bubble and buffering, has promoted steam condensation effect and broken bubble ability to reduce steam discharge amount and steam flow rate, make steam valve's anti-overflow performance show the promotion, further can reduce the temperature of discharge steam, reduce the risk of scalding.

Description

Steam valve and electric cooker

[ technical field ] A method for producing a semiconductor device

The utility model relates to a kitchen appliances field especially relates to steam valve and use electric rice cooker of this steam valve.

[ background of the invention ]

The electric rice cooker can realize multiple operation functions such as steaming, boiling, stewing and the like, and has become daily household appliances, a cooker cover of a common electric rice cooker can be provided with a steam valve, steam generated in the cooking process is discharged through the steam valve, when cooking and cooking porridge, a large amount of rice soup foam can be generated in the cooker body, if no anti-overflow design is made on the steam valve, the rice soup foam can be discharged to the outside of the cooker body through the steam valve, and the product cleaning and the overall safety performance are troublesome. The anti-overflow design of traditional steam valve sets up the fender muscle of dislocation usually in steam valve inside, and rice water foam is broken because of surface tension changes when keeping off the muscle, reaches the purpose that reduces the rice water foam and spill over, however the anti-overflow ability of this kind of structure is very limited, under the circumstances such as high-power heating, cook congee, still exists the problem that rice water spills over.

[ Utility model ] content

An object of the utility model is to provide a steam valve can solve above-mentioned technical problem partially at least.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the steam valve comprises a valve body and a valve cover, wherein an air outlet hole is formed in the valve cover, a sleeve is further arranged on the valve cover, an air inlet cylinder extending into the sleeve is arranged on the valve body, a first bubble breaking gap is formed between the upper end of the air inlet cylinder and the valve cover, a second bubble breaking gap is formed between the air inlet cylinder and the sleeve, and the width of the first bubble breaking gap is smaller than that of the second bubble breaking gap.

In the above steam valve, the overlapping portion of the air inlet cylinder and the sleeve encloses an annular gap, and the annular gap partially or completely forms the second bubble breaking gap.

In the above steam valve, the height of the overlapping portion of the inlet barrel and the sleeve is greater than half of the height of the sleeve.

In the above steam valve, the intake cylinder is disposed off-center of the valve body.

In the steam valve, the valve body and the valve cover are assembled in a screwing mode, and the sleeve is of a flat structure along the circumferential direction of the valve cover.

In the above steam valve, the air outlet is disposed off the center of the valve cover and away from the air inlet cylinder.

In the steam valve, the bottom wall of the valve body is provided with a reflux groove, and a reflux hole is arranged in the reflux groove.

In the steam valve, the valve body and/or the valve cover are/is provided with a blocking rib, and the blocking rib is positioned between the air outlet hole and the air inlet cylinder.

In the above steam valve, the rib is located above the return groove.

The utility model discloses still provide electric rice cooker, including a kind of deep pot body and a kind of deep pot lid, a kind of deep pot is covered and is equipped with above-mentioned arbitrary technical scheme steam valve.

The utility model has the advantages that:

the utility model provides a steam valve, including valve body and valve gap, be equipped with the venthole on the valve gap, be equipped with the sleeve on the valve gap, be equipped with on the valve body and stretch into air inlet cylinder in the sleeve, air inlet cylinder upper end with first broken bubble clearance has between the valve gap, air inlet cylinder with broken bubble clearance of second has between the sleeve, the width in first broken bubble clearance is less than the width in the broken bubble clearance of second.

When the steam valve is used, fluid (including steam and rice soup foam) overflowing outwards from the electric rice cooker enters the steam valve through the air inlet cylinder and sequentially flows through the first bubble breaking gap and the second bubble breaking gap, the first bubble breaking gap is positioned above the air inlet cylinder, the second bubble breaking gap is positioned around the air inlet cylinder, and the first bubble breaking gap and the second bubble breaking gap form a zigzag steam circulation channel, so that the circulation path of steam/bubbles in the steam valve is prolonged, and the steam condensation effect and the bubble breaking capacity are facilitated; the section of thick bamboo that admits air gets into when first broken bubble clearance because the space suddenly diminishes, accomplish broken bubble for the first time, because the width in first broken bubble clearance is less than the width in the broken bubble clearance of second, first broken bubble clearance gets into and forms the extrusion to the bubble after the broken bubble clearance of second, accomplish broken bubble for the second time, two broken bubbles have promoted steam condensation effect and broken bubble ability with the buffering, thereby reduce steam discharge amount and steam flow rate, make the anti-overflow performance of steam valve show the promotion, further can reduce the temperature of discharge steam, reduce the risk of scald.

Further, the height of the overlapping part of the air inlet cylinder and the sleeve is larger than half of the height of the sleeve. The height of the overlapped part of the air inlet cylinder and the sleeve is the height of the second bubble breaking gap, the height is larger than half of the height of the sleeve, and the second bubble breaking effect is improved.

Further, the air inlet cylinder is arranged in a mode of deviating from the center of the valve body. On one hand, space can be reserved for other structures in the steam valve, and the steam valve is beneficial to the compact and miniaturized design; on the other hand, after the air inlet cylinder deviates from the center of the valve body, the steam entering the steam valve is unevenly distributed, and the positions close to the air inlet cylinder and far away from the air inlet cylinder can generate pressure difference, so that the bubble breaking is facilitated.

Further, the valve body and the valve cover are assembled in a screwing mode, and the sleeve is arranged to be of a flat structure along the circumferential direction of the valve cover. Valve body and valve gap close the assembly soon, otherwise the rotatory separation that does, conveniently washs steam valve inside, because sleeve and admission section of thick bamboo cup joint each other, takes place to interfere when the sleeve that adopts flat structure can avoid the rotation assembly.

Further, the air outlet is deviated from the center of the valve cover and is far away from the air inlet cylinder. The horizontal distance between the air outlet hole and the air inlet cylinder is pulled as far as possible in the limited space in the steam valve, and steam and rice soup foam can stay in the steam valve for a longer time, so that steam condensation and bubble breaking are facilitated.

Furthermore, a backflow groove is formed in the bottom wall of the valve body, and a backflow hole is formed in the backflow groove. The broken foam becomes rice water which can be collected in the reflux groove and flows out of the steam valve again through the reflux hole, so that the rice water is prevented from blocking the steam valve, and the cleaning difficulty of the steam valve is reduced.

Furthermore, a blocking rib is arranged on the valve body and/or the valve cover and is positioned between the air outlet hole and the air inlet cylinder. The rib can break the bubbles of the rice water foam in the steam again and can prevent larger bubbles from passing through, so that the anti-overflow performance of the steam valve is improved.

Further, the blocking ribs are located above the backflow groove. The broken rice water foam and the condensed water formed by condensing the steam flow into the reflux groove along the blocking ribs, so that the gas-liquid separation effect is better, and the discharge of moisture is reduced.

The utility model provides an electric rice cooker, including above-mentioned arbitrary technical scheme steam valve, so electric rice cooker possesses above-mentioned arbitrary steam valve technical effect. Because the anti-overflow performance of the steam valve is improved, the electric cooker can be continuously heated by large firepower, the cooking time of the electric cooker is shortened, the energy consumption is reduced, and the user experience is improved.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The invention will be further explained with reference to the drawings:

fig. 1 is a schematic sectional view of a steam valve according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a valve body of a steam valve according to an embodiment of the present invention;

fig. 3 is a schematic view of a valve cover structure of a steam valve according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of the valve cover and the valve body when the valve cover and the valve body are separated by rotation according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of the valve cover and the valve body rotatably engaged in one embodiment of the present invention.

Reference numerals:

100 valve body, 110 air inlet cylinder, 120 first bubble breaking gap, 130 second bubble breaking gap, 140 reflux groove, 150 reflux hole, 160 blocking rib and 170 screwing groove;

200 valve covers, 210 air outlet holes, 220 sleeves and 230 screwing ribs;

300 reflux valve.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

The appearances of the phrases such as "exemplary," "some embodiments," and the like in the following text mean "serving as an example, embodiment, or illustration," and any embodiment described as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. While the present invention has been described with reference to certain embodiments, it will be understood by those skilled in the art that the present disclosure may be practiced without some of these specific details.

Referring to fig. 1 to 3, a steam valve according to an embodiment of the present invention includes a valve body 100 and a valve cover 200, wherein the upper portion of the valve body 100 is open, the valve cover 200 covers the valve body 100 to form a valve cavity, the valve cover 200 is provided with a gas outlet 210 and a sleeve 220, the gas outlet 210 communicates the valve cavity with the outside, and the sleeve 220 is formed by extending the top wall of the valve cover 200 downward; the valve body 100 is provided with an air inlet cylinder 110 extending into the sleeve 220, a first bubble breaking gap 120 is arranged between the upper end of the air inlet cylinder 110 and the top wall of the valve cover 200, a second bubble breaking gap 130 is arranged between the air inlet cylinder 110 and the sleeve 220, and the width H1 of the first bubble breaking gap 120 is smaller than the width H2 of the second bubble breaking gap 130.

When the steam valve is used, fluid (including steam and rice soup foam) overflowing outwards from the electric cooker enters the steam valve through the air inlet cylinder 110 and sequentially flows through the first bubble breaking gap 120 and the second bubble breaking gap 130, the steam flow path is shown as arrows in fig. 1, the first bubble breaking gap 120 is positioned above the air inlet cylinder 110, the second bubble breaking gap 130 is positioned around the air inlet cylinder 110, the first bubble breaking gap 120 and the second bubble breaking gap 130 form a zigzag steam circulation channel, the circulation path of steam/bubbles in the steam valve is prolonged, and the steam condensation effect and the bubble breaking capacity are facilitated; the fluid transversely diffuses when entering the first bubble breaking gap 120 from the air inlet cylinder 110, but the space suddenly becomes smaller, so that the first bubble breaking is completed; next, the fluid enters the second bubble breaking gap 130 from the first bubble breaking gap 120 downwards, and the width of the first bubble breaking gap 120 is smaller than that of the second bubble breaking gap 130, so that the bubbles are extruded after entering the second bubble breaking gap 130, secondary bubble breaking is completed, the condensation effect and the bubble breaking capacity of the steam are improved by twice bubble breaking and buffering, the steam discharge amount and the steam flow rate are reduced, the anti-overflow performance of the steam valve is obviously improved, the temperature of the discharged steam can be further reduced, and the risk of scalding is reduced.

In the above solution, the air inlet cylinder 110 and the sleeve 220 are both closed-loop structures in the circumferential direction, so the overlapping portions of the two may form an annular gap, when the width of the annular gap is entirely greater than the width of the first bubble breaking gap 120, the annular gap entirely forms the second bubble breaking gap 130, and when the width of the annular gap is partially greater than the width of the first bubble breaking gap 120, the portion of the annular gap having the width greater than the width of the first bubble breaking gap 120 forms the second bubble breaking gap 130. The shapes of the inlet barrel 110 and the sleeve 220 in this embodiment may be perfect circles, ellipses, squares, etc., as long as the closed loop structure is satisfied.

Preferably, the height of the overlapping portion of the air inlet tube 110 and the sleeve 220 is greater than half of the height of the sleeve 220, and it can be known from the foregoing scheme that the height of the overlapping portion of the air inlet tube 110 and the sleeve 220 is the height of the second bubble breaking gap 130, and the height is greater than half of the height of the sleeve 220, so as to enhance the second bubble breaking effect.

Referring to fig. 1-3, in one embodiment of the present invention, a steam valve is based on the foregoing embodiment: the bottom wall of the valve body 100 is partially recessed to form a backflow groove 140, and a backflow hole 150 is formed in the backflow groove 140. The broken foam becomes rice water which can be collected in the reflux groove 140 and flows out of the steam valve again through the reflux holes 150, so that the rice water is prevented from blocking the steam valve, and the cleaning difficulty of the steam valve is reduced. Generally, a return valve 300 is further provided below the return hole 150, and the return valve 300 is connected to a bottom wall of the valve body 100 and is vertically floatable for closing the return hole 150 or opening the return hole 150. In the cooking process of the electric cooker, the steam pressure in the cooker pushes the backflow valve 300 to float upwards to seal the backflow hole 150, so that bubbles are prevented from entering the steam valve from the backflow hole 150, rice water and condensed water collected in the backflow groove 140 are increased continuously, the backflow valve 300 is pushed downwards by the pressure of the rice water and the pressure of the condensed water to open the backflow hole 150, the rice water and the condensed water collected in the backflow groove 140 flow back to the cooker through the backflow hole 150, the steam valve is prevented from being blocked by the rice water, and meanwhile, the steam valve is convenient to clean.

Preferably, a blocking rib 160 extending upwards is arranged on the bottom wall of the valve body 100, the blocking rib 160 is located between the air outlet hole 210 and the air inlet cylinder 110, and the blocking rib 160 can break bubbles of rice water foam in steam again and can block larger bubbles from passing through, so that the anti-overflow performance of the steam valve is improved.

More preferably, the blocking rib 160 is located above the backflow groove 140, for example, as shown in fig. 2, a portion of the blocking rib 160 is disposed along the edge of the backflow groove 140, the broken rice water foam and the condensed water formed by condensing the steam flow into the backflow groove 140 along the blocking rib 160, so that the gas-liquid separation effect is good, and the discharge of the moisture is reduced. It should be noted that: gaps are reserved between the two sides of the blocking rib 160 and the side wall of the valve body 100, and rice water and condensed water in other areas of the valve cavity can bypass the two sides of the blocking rib 160 and flow into the backflow groove 140.

In other embodiments, the blocking ribs can be arranged on the valve cover, or the valve cover and the valve body are both provided with the blocking ribs, the upper blocking ribs and the lower blocking ribs are staggered, and steam can pass through the gaps between the upper blocking ribs and the lower blocking ribs.

Referring to fig. 1-3, in one embodiment of the present invention, a steam valve is based on the foregoing embodiment: the air inlet cylinder 110 is arranged to deviate from the center o of the valve body 100, and in order to be matched with the air inlet cylinder 110, the sleeve 220 on the valve cover 200 is also arranged to deviate from the center of the valve cover 200, so that on one hand, space can be reserved for other structures in the steam valve, such as the reflux groove 140 and the blocking rib 160 in the previous embodiment, and the steam valve is beneficial to being designed in a compact and small-sized mode; on the other hand, when the inlet cylinder 110 deviates from the center o of the valve body 100, the steam entering the steam valve is unevenly distributed, and a pressure difference is generated between a position close to the inlet cylinder 110 and a position far from the inlet cylinder 110, which further contributes to breaking bubbles.

Preferably, the air outlet 210 is arranged away from the center of the valve cover 200 and far away from the air inlet cylinder 110, the horizontal distance between the air outlet 210 and the air inlet cylinder 110 is as far as possible in the limited space inside the steam valve, and steam and rice soup foam can stay in the steam valve for a longer time, which is helpful for steam condensation and bubble breaking.

The valve cover 200 and the valve body 100 of the embodiment are assembled in a screwing way, a plurality of screwing grooves 170 are circumferentially arranged at intervals on the upper part of the side wall of the valve body 100, a plurality of screwing ribs 230 are circumferentially arranged at intervals on the side wall of the valve cover 200, during installation, the valve cover 200 is covered on the valve seat and rotates relatively, so that the screwing ribs 230 are clamped into the screwing grooves 170, and the valve cover 200 is rotatably buckled with the valve seat; when the valve cover is disassembled, the valve cover 200 is rotated reversely, so that the screwing rib 230 is separated from the screwing groove 170. Of course, in other embodiments, the valve cover and the valve body may be fastened by a conventional snap structure, or one end of the valve cover is hinged on the valve body, and the other end of the valve cover is fastened with the valve body.

Since the inlet barrel 110 of the valve body 100 and the sleeve 220 of the valve cover 200 are fitted to each other and disposed off the center of the steam valve, when the valve cover 200 and the valve body 100 are screwed together, in order to avoid interference between the inlet barrel 110 and the sleeve 220, the sleeve 220 is disposed in a flat configuration in the circumferential direction of the valve cover 200, and the flat configuration is a kidney shape, an oval shape, or the like. Referring to fig. 4, when the valve cap 200 covers the valve body 100, the inlet tube 110 is inserted into the sleeve 220 and biased toward one side of the sleeve 220, and referring to fig. 5, after the valve cap 200 is rotated clockwise, the valve cap 200 is rotatably engaged with the valve body 100, and the inlet tube 110 moves to the center of the sleeve 220. The allowance of the air inlet cylinder 110 in the circumferential direction of the sleeve 220 after being inserted into the sleeve 220 is larger than the allowance of the screwing rib 230 in the screwing groove 170, so as to ensure that the air inlet cylinder 110 and the sleeve 220 do not interfere with each other in the process of rotating the valve cover 200 to open and close.

The utility model discloses an electric rice cooker that provides in an embodiment of the utility model, including a kind of deep pot body and a kind of deep pot lid, a kind of deep pot is covered and is equipped with the steam valve of any above-mentioned embodiment. The specific structure of the electric cooker can be found by referring to the prior art, and the detailed description is not combined with the drawings in the embodiment. According to the structural design of the cooker cover, the steam valve can be built-in, namely the steam valve is arranged on the inner cover of the cooker cover, and can also be external, namely the steam valve is arranged outside the upper cover of the cooker cover. Because the anti-overflow performance of the steam valve is improved, the electric cooker can be continuously heated by large firepower, the cooking time of the electric cooker is shortened, the energy consumption is reduced, and the user experience is improved.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims (10)

1. Steam valve, including valve body and valve gap, be equipped with the venthole on the valve gap, its characterized in that, still be equipped with the sleeve on the valve gap, be equipped with on the valve body and stretch into the section of thick bamboo that admits air in the sleeve, admit air section of thick bamboo upper end with first broken bubble clearance has between the valve gap, admit air the section of thick bamboo with broken bubble clearance of second has between the sleeve, the width in first broken bubble clearance is less than the width in the broken bubble clearance of second.

2. The steam valve of claim 1 wherein the overlapping portion of the inlet barrel and the sleeve enclose an annular gap, the annular gap partially or completely forming the second break bubble gap.

3. The steam valve of claim 1 wherein the inlet barrel overlaps the sleeve by more than half the height of the sleeve.

4. A steam valve as recited in one of claims 1 to 3, characterized in that the inlet barrel is arranged off-center of the valve body.

5. The steam valve of claim 4, wherein the valve body and the valve cover are screwed together, and the sleeve is provided in a flat configuration in a circumferential direction of the valve cover.

6. The steam valve of claim 4 wherein the outlet aperture is located off-center of the valve cover and away from the inlet barrel.

7. A steam valve as claimed in any one of claims 1 to 3, wherein the bottom wall of the valve body is provided with a return groove, and a return hole is formed in the return groove.

8. The steam valve of claim 7, wherein the valve body and/or the valve cover are provided with a rib, and the rib is positioned between the air outlet hole and the air inlet cylinder.

9. The steam valve of claim 8 wherein the retaining rib is located above the return channel.

10. The electric cooker comprises a cooker body and a cooker cover, and is characterized in that the cooker cover is provided with a steam valve as claimed in any one of claims 1 to 9.

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