CN202445844U - Micro-pressure anti-overflow steam valve of rice cooker - Google Patents
Micro-pressure anti-overflow steam valve of rice cooker Download PDFInfo
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- CN202445844U CN202445844U CN2011202604760U CN201120260476U CN202445844U CN 202445844 U CN202445844 U CN 202445844U CN 2011202604760 U CN2011202604760 U CN 2011202604760U CN 201120260476 U CN201120260476 U CN 201120260476U CN 202445844 U CN202445844 U CN 202445844U
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- pressure anti
- valve
- overflow
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Abstract
The utility model discloses a micro-pressure anti-overflow steam valve of a rice cooker. The micro-pressure anti-overflow steam valve is arranged on a steam outlet of a pot cover, and comprises a steam cover (1), an upper valve body cover (2), a lower valve body seat (5) and a floater (3), wherein the lower valve body seat (5) is provided with a steam inlet; the upper valve body cover (2) is positioned below the steam cover (1); the upper valve body cover is provided with a chamber (2C) for the floater to move; the chamber (2C) is provided with an air inlet (2A) and at least one backflow hole (2B); the bottom of the chamber is provided with a slope face or is provided with a plate with the slope face; the air inlet (2A) is positioned on the lower side of the slope face; and the floater which can freely roll is arranged on the slope face. The micro-pressure anti-overflow steam valve of the rice cooker has a simple structure. With the adoption of the micro-pressure anti-overflow steam valve of the rice cooker, 0.1-5kPa of pressure can be maintained in a pot, liquid back flow is realized simultaneously, pressure change conditions in the pot can be visually viewed by a user, and the noise can be also reduced.
Description
Technical field
The utility model belongs to the household kitchen electric appliance technical field, is specifically related to be used for a kind of electric cooker minute-pressure anti-overflow steam valve on the products such as electric cooker.
Background technology
Electric cooker be utilize electric energy change in can cooker, easy to use, sanitation and hygiene, also have to food steam, boil, stew, multiple operating function such as stewing, showing has become daily household electrical appliance.The invention of electric cooker has reduced a lot of families and has spent in the time on cooking.Standing on the pot cover of electric cooker have steam (vapor) outlet, and when cooking, after pressure reached certain value, part steam was got rid of from steam (vapor) outlet, guaranteed the security of using.The setting of steam (vapor) outlet should guarantee the smooth eliminating of steam, keeps the pressure in the electric cooker again, and liquid overflows from steam port with steam in also will preventing simultaneously to stew.
Electric cooker in the market has many meal pots to lay claim to minute-pressure, and the anti-overflow effect is arranged.Actual conditions have two kinds: a kind of be observed pressure all below 0.1KPa, just almost do not have pressure; Though another kind really can be realized the minute-pressure effect, the anti-overflow effect after producing pressure is undesirable, and its backflow effect of declaring is difficult to realize.
China's utility model patent Granted publication is CN201481122 U (the open date is 2010.05.26), patent name " electric cooker seals the anti-overflow device of preserving moisture ".Steam covers and is provided with steam outlet; The steam seat is positioned at steam lid below, is divided into top aiutage and steam inlet, bottom section; Be provided with tube channel in the aiutage, a ball float is housed in this tube channel, the top is provided with spherical cap, and the tube wall bottom offers passage, and the bottom offers return port; The place of the bottom of aiutage outside tube channel offers return port; Return port is provided with rubber cushion, can prevent that steam from going out from return port, but allows ponding or thin rice gruel in the steam seat to be back in pot.The groundwork principle is that pressure reaches certain value and backs down ball float, and steam and liquid get into aiutage, and gas is got rid of through the steam (vapor) outlet of steam loam cake, and liquid is back in the pot through return port.
The shortcoming of such scheme is:
1, pressure can't reflux after rising.Ball float moves up and down in passage, and the gravity of ball float all is used to reset, because ball float resets too fast; Pot internal pressure maintains higher value always, and the rubber cushion at return port place is held out against, and liquid can't reflux through return port; Final aiutage can pile with liquid, and then overflows.
2, the user can't see the pressure changing in pot intuitively clearly.
3, the ball float vibration is violent, noise is big.It is too fast to reset, and motion frequency is too high.Ball float sharp impacts channel side wall and spherical cap produce big noise, shorten the anti-overflow device life-span.
The utility model content
The purpose of the utility model provides a kind of electric cooker minute-pressure anti-overflow steam valve, through ingenious and simple frame mode really produces the minute-pressure in the 0.1-5kPa scope, has anti-overflow backflow effect simultaneously again.
For solving the problems of the technologies described above, the technical scheme that the utility model adopted is:
A kind of electric cooker minute-pressure anti-overflow steam valve is arranged at the steam outlet place of pot cover, comprises steam lid valve upper cover, following of valve body and float, and following of valve body has the steam air intake; Valve upper cover is positioned at steam lid below; It is characterized in that valve upper cover has the chamber that supplies float movable, this chamber has air inlet and at least one return port, and cavity bottom has slope or bottom that the plate with slope is installed; Air inlet is positioned at the low side of slope; But the free rolling float places on the slope., the sidewall of this chamber and float keep little and the gap of freedom of motion, and float shutoff under gravity is on air inlet.
A kind of embodiment that said valve body is following, following of valve body are positioned at the valve upper cover below, have air induction mast and back cavity; Said air induction mast top is provided with venthole, and said back cavity bottom is provided with return port, and the one-way sealing rubber cushion is equipped with at said return port place.
An Anti-stop cover is equipped with at the steam air intake place that said valve body is following.Can stop earlier that the grain of rice gets into.
For improving sealing property, between the air induction mast that valve upper cover and valve body are following O-ring seal is housed.
Further, the slope of cavity bottom installation is for adjusting the slope board of gradient.
Said steam lid is processed with transparent material.
Said float is cylindrical or spherical.
Said float is to lean on gravity or magneton to block above-mentioned air inlet (2A).
The bottom of the valve upper cover of the utility model has slope, as the track of float motion; Following of valve body is positioned at the valve upper cover below, is divided into air induction mast and back cavity; Said air induction mast top is provided with venthole, and said back cavity bottom is provided with return port, and the one-way sealing rubber cushion is equipped with at this return port place, and the high steam in can preventing to stew gets into the back cavity of following of valve body, but allows the hydrops in the back cavity to be back in pot; An Anti-stop cover is equipped with in the bottom of valve, prevents that the bulky grain object from getting into steam valve.Between the air induction mast that valve upper cover and valve body are following O-ring seal is housed, the internal pressure that prevents to stew is revealed.
Compared with prior art, the beneficial effect of the utility model is:
1, the minute-pressure anti-overflow refluxes.The reciprocal rolling of float makes the minute-pressure of keeping the 0.1-5kPa scope in pot, and liquid can be back in pot through the return flow line that back cavity, return port are formed simultaneously.
2, monitoring is convenient, compact and ingenious structure.The user can be clear that the pressure changing in pot from transparent steam lid.
3, the float motion is steady, and noise is low.Float is limited in the valve upper cover, can only be on the slope shape diapire of valve upper cover reciprocal rolling movement, than the motion mode of bob, noise is lower.
Description of drawings
Fig. 1 is the cutaway view of a kind of electric cooker minute-pressure of the utility model anti-overflow steam valve.
Fig. 2 is the utility model STRUCTURE DECOMPOSITION figure from top to bottom.
Fig. 3 is the utility model STRUCTURE DECOMPOSITION figure from the bottom up.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further description.
Shown in Fig. 1-3; A kind of electric cooker minute-pressure anti-overflow steam valve; Be arranged at the steam outlet place on the pot cover, comprise each functional part such as transparency cover (steam lid) 1, valve upper cover 2, float 3, O-ring seal 4, following 5 of valve body, one-way sealing rubber cushion 6, Anti-stop cover 7.Transparency cover 1 is provided with exhaust outlet 1A; Valve upper cover 2 is positioned at transparency cover 1 below; Valve upper cover 2 has and following chamber 2C that communicates of valve body, and chamber 2C supplies float 3 activities, and the sidewall shape of chamber 2C meshes with float 3; And this wall is provided with air inlet 2A, and the size of this air inlet 2A is less than float 3 diameters; A slope section (slope) is arranged at the bottom of 2C in this chamber, as the track of float 3 motions; Other sidewalls of valve upper cover 2 are provided with a plurality of return port 2B; Valve upper cover 2 also has steam drain 2E; Following 5 of valve body is positioned at valve upper cover 2 belows, is divided into air induction mast 5A and back cavity 5B; Said air induction mast 5A top is provided with venthole 5D; Said back cavity 5B bottom is provided with return port 5C; This return port 5C is equipped with one-way sealing rubber cushion 6 in the place, the back cavity 5B that the high steam entering valve body in can preventing to stew is following 5, but allow the hydrops in the back cavity 5B to be back in pot; An Anti-stop cover 7 is equipped with in the bottom of valve, prevents that the bulky grain object from getting into steam valve.Between the air induction mast that valve upper cover 2 and valve body are following 5 O-ring seal 4 is housed, the internal pressure that prevents to stew is revealed.
Along with temperature in pot rises, pot internal pressure rises, and high steam and liquid arrive following 5 of valve body through Anti-stop cover 7, compress one-way sealing rubber cushion 6, and steam and liquid can only get into air induction mast 5A.When pressure reaches certain value, the float 3 that is close on valve upper cover 2 sidewalls is backed down, and scrolls up along the bottom surface, slope of valve upper cover 2, discharges pot inner pressure simultaneously.Vapour liq gets in the valve upper cover 2 through air inlet 2A; Gas is discharged from the exhaust outlet 1A of transparency cover 1 and the exhaust outlet 2E of valve upper cover 2; Liquid flows into back cavity 5B through the refluxing opening 2B of valve upper cover 2, and liquid accumulates gradually, when gravity reaches certain value; Press off one-way sealing rubber cushion 6,5C is back in pot through refluxing opening.After pot internal pressure descended, float 3 reset to original position under the gravity effect, block air inlet 2A, and pot internal pressure can rise again, repeats above process.Like this, steam valve had both been realized the discharge of steam, had realized the backflow of liquid simultaneously again, and pot internal pressure is maintained in the 0.1-5kPa dynamic range.
The weight of shape, gradient, length and float 3 that can be through adjustment valve upper cover 2 bottom surfaces is regulated reset speed.
The utility model is not limited to above-mentioned embodiment, within the improvement on the foregoing description essence spirit and alternative all protection domains at the utility model.
Claims (8)
1. electric cooker minute-pressure anti-overflow steam valve is arranged at the steam outlet place of pot cover, comprises steam lid (1), valve upper cover (2), valve body following (5) and float (3), and valve body following (5) has the steam air intake; Valve upper cover (2) is positioned at steam lid (1) below; It is characterized in that valve upper cover has the chamber (2C) that supplies float movable; This chamber (2C) has air inlet (2A) and at least one return port (2B); Cavity bottom has slope or bottom that the plate with slope is installed, and air inlet (2A) is positioned at the low side of slope, but the free rolling float places on the slope.
2. a kind of electric cooker minute-pressure anti-overflow steam valve according to claim 1 is characterized in that valve body following (5) is positioned at valve upper cover (2) below, has air induction mast (5A) and back cavity (5B); Said air induction mast (5A) top is provided with venthole (5D), and said back cavity (5B) bottom is provided with return port (5C), and return port (5C) locates to be equipped with one-way sealing rubber cushion (6).
3. a kind of electric cooker minute-pressure anti-overflow steam valve according to claim 2 is characterized in that following (5) steam air intake of valve body place is equipped with an Anti-stop cover (7).
4. a kind of electric cooker minute-pressure anti-overflow steam valve according to claim 2 is characterized in that between the air induction mast of valve upper cover (2) and valve body following (5) O-ring seal (4) being housed.
5. a kind of electric cooker minute-pressure anti-overflow steam valve according to claim 1, the slope that it is characterized in that cavity bottom is for adjusting the slope board of gradient.
6. a kind of electric cooker minute-pressure anti-overflow steam valve according to claim 1 is characterized in that steam covers (1) and processes with transparent material.
7. a kind of electric cooker minute-pressure anti-overflow steam valve according to claim 1 is characterized in that float is cylindrical or spherical.
8. a kind of electric cooker minute-pressure anti-overflow steam valve according to claim 1 is characterized in that float is to lean on gravity or magneton to block above-mentioned air inlet (2A).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202604760U CN202445844U (en) | 2011-07-21 | 2011-07-21 | Micro-pressure anti-overflow steam valve of rice cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202604760U CN202445844U (en) | 2011-07-21 | 2011-07-21 | Micro-pressure anti-overflow steam valve of rice cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202445844U true CN202445844U (en) | 2012-09-26 |
Family
ID=46861745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202604760U Expired - Lifetime CN202445844U (en) | 2011-07-21 | 2011-07-21 | Micro-pressure anti-overflow steam valve of rice cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202445844U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108720630A (en) * | 2017-04-25 | 2018-11-02 | 佛山市顺德区美的电热电器制造有限公司 | Bulb-breaking device and pot cover component, cooking apparatus with it |
| CN109276122A (en) * | 2018-11-26 | 2019-01-29 | 珠海格力电器股份有限公司 | Cooking appliance, lid and pressure-regulating device |
| CN109276122B (en) * | 2018-11-26 | 2024-05-31 | 珠海格力电器股份有限公司 | Cooking appliance, cover body and pressure adjusting device |
-
2011
- 2011-07-21 CN CN2011202604760U patent/CN202445844U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108720630A (en) * | 2017-04-25 | 2018-11-02 | 佛山市顺德区美的电热电器制造有限公司 | Bulb-breaking device and pot cover component, cooking apparatus with it |
| CN109276122A (en) * | 2018-11-26 | 2019-01-29 | 珠海格力电器股份有限公司 | Cooking appliance, lid and pressure-regulating device |
| CN109276122B (en) * | 2018-11-26 | 2024-05-31 | 珠海格力电器股份有限公司 | Cooking appliance, cover body and pressure adjusting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120926 |
|
| CX01 | Expiry of patent term |