CN1233290C - Device for controlling internal pressure of electrical pressure cooker - Google Patents
Device for controlling internal pressure of electrical pressure cooker Download PDFInfo
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- CN1233290C CN1233290C CN 03119263 CN03119263A CN1233290C CN 1233290 C CN1233290 C CN 1233290C CN 03119263 CN03119263 CN 03119263 CN 03119263 A CN03119263 A CN 03119263A CN 1233290 C CN1233290 C CN 1233290C
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- pot
- steam
- pressure
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- cover
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Abstract
The invention relates to an electrical pressure cooker, the safety and reliability of the pressure cooker are improved by using inner sealing type having low noise and beautiful figure, using pressure control device, and using a special emergency steam discharging device facilitating the use of user and opening outer cover. A device for controlling internal pressure of electrical pressure cooker comprises an internal cooker; a cover of the internal cooker for covering the internal cooker and forming pressure space in the same, and having a through hole of internal cooker cover; and safety sealing member arranged on internal surface of the internal cooker for covering the through hole of the internal cooker cover, when outer force is applied on internal of the internal cooker, covering the through hole section of the internal cooker to separate with the internal cooker cover, and when outer force is removed, covering the through hole section of the internal cooker to connect with the internal cooker cover to close through hole of the internal cooker cover, such that pressure space is sealed.
Description
Technical field
The present invention relates to a kind of device of controlled pressure electric cooker internal pressure, particularly a kind of device that can guarantee user's safety and controlled pressure electric cooker internal pressure easy to use.
Background technology
By utilizing the working pressure control device to be released in the interior pot for cooking rice internal pressure that forms when cooking rice over a slow fire in the electric pressure to the outside.Usually, the working pressure control device of use is divided into the outer package type of working pressure pouring weight and the interior encapsulation type of use spring.
Fig. 1 a and 1b are the topology views that the usual pressure electric cooker of outer package type working pressure control device is used in expression.In Fig. 1 a, pressure pouring weight 3 is arranged on the pressure-control valve 4, in Fig. 1 b, during the steam vent that forms on the pot pot cover 8, unloads downforce pouring weight 3 from pressure-control valve 4 in blocking, and pin 19 safe in utilization passes steam vent.
With reference to Fig. 2, electric pressure comprises the outer pot cover 7 of forming hinged pot cover and inner pot cover 9, combine with outer pot cover 7 so as when pot cover to be closed in the sealing pot 10 open the interior pot pot cover 8 of part and be in columnar that top opens pots 10. Label 12 and 12a represent to arrange steam lid and row's steam lid through hole respectively.
Interior encapsulation type working pressure control device 13 is installed on the interior pot pot cover 8.Internal pressure at interior pot 10 surpasses under the situation of predetermined value, and working pressure control device 13 opens so that outside discharged steam makes interior pot 10 can keep predetermined internal pressure.Working pressure control device 13 comprises outer cover with inner space and row's steam way, be arranged on the valve that is used for opening/closing row steam way in the outer cover and be installed in outer cover and be used for elastic force mode squeezing valve so that the spring of the row's of blocking steam way.
When the internal pressure of interior pot 10 surpassed predetermined value, the valve of working pressure control device 13 overcame the spring force effect and moves, and therefore opened and used pressure control device 13 with the steam in the pot 10 in the outside discharging.When the internal pressure of interior pot 10 drops to predetermined value when following, working pressure control device 13 is owing to the effect of spring force is closed.
In addition, the automatic row's steam unit 1 that is made of electromagnet usually is installed on the interior pot pot cover 8.Automatically row's steam unit 1 is normally opened owing to the spring force effect, but when electromagnet is worked under the spring force effect according to electronic signal, arranges steam unit 1 automatically and close.
Briefly explain the process of cooking rice over a slow fire now.When reaching predetermined value in the pressure of interior pot 10 is being cooked rice over a slow fire, working pressure control device 13 is opened, and makes interior pot 10 can keep the internal pressure of being scheduled to.At this moment cook rice over a slow fire.After this, not to the electromagnet power supply of automatic row's steam unit 1, therefore arrange steam unit 1 automatically owing to the spring force effect is opened, the steam in the outside thus discharging in the pot 10.
Let out steam pressure safety device 16 and be installed on the interior pot pot cover 8, let out steam pressure safety device 16 and normally close owing to the spring force effect.But, when the internal pressure of interior pot 10 raise and be higher than working pressure control device 13 open pressure the time, let out steam pressure safety device 16 owing to the spring force effect is opened, so that steam in the interior pot 10 and pressure outwards are excreted between interior pot pot cover 8 and the interior pot pot cover 9.When the porus excretorius of interior pot of pot cover 8 is plugged, or when working pressure control device 13 is not worked with automatic row's steam unit 1, lets out steam safety device 16 and be used to prevent interior pot 10 owing to its internal high pressure is blasted.Therefore, the spring of letting out steam pressure safety device 16 has the elastic force that is higher than working pressure control device 13 springs.
Compare with the electric pressure of Fig. 1 a and 1b, the electric pressure among Fig. 2 has shown the high-performance with low operation noise, and has improved outward appearance.But, when the porus excretorius on the interior pot pot cover 8 is plugged, or arranges steam unit 1, working pressure control device 13 automatically and let out steam pressure safety device 16 when not working, extra row's steam unit is not set in electric pressure shown in Figure 2.
Summary of the invention
The purpose of this invention is to provide a kind of electric pressure, the interior encapsulation type working pressure control device and the special urgent row's steam unit that have low operation noise and good looking appearance advantage by use improve this electric pressure security and reliability, open outer pot cover safely so that the user is convenient.
In order to realize above-mentioned purpose of the present invention, a kind of device of controlled pressure electric cooker internal pressure is provided, comprising: interior pot; Interior pot pot cover is used for covering interior pot and the pressure space of the interior pot of formation, and has first through hole and second hole; And safety seal, be installed on the inner surface of interior pot pot cover, be used to cover first through hole, its part that covers first through hole was separated with interior pot pot cover when pot was inner in external force is applied to, and when removing external force, its part that covers first through hole is connected so that close first through hole with interior pot pot cover, thus the sealing load space; This safety seal comprises insertion section and hook portion, and this insertion section is outstanding and insert second hole, and this hook portion is arranged on the end of this insertion section and is hooked on the excircle in second hole.
Wherein can be inner by passing first through hole and safety seal being pushed interior pot, or, apply external force to safety seal by using the safety pin that can pass first through hole and arrive safety seal.
On the outer surface of pot pot cover, and have the seal fixed part in main part is fixedly mounted on, the seal fixed part is outstanding and hook portion is pushed in the excircle in second hole at the inner surface of main part, thus fixing safety seal.The device that wherein is used for controlled pressure electric cooker internal pressure also comprises: the working pressure control device in being installed on the pot pot cover, the working pressure control device normally cuts out, but the working pressure control device is opened so that steam and pressure in outwards draining pot when interior pot internal pressure reaches predetermined value; Automatic row's steam unit in being installed on the pot pot cover is arranged that steam unit is normally opened automatically so that outwards drain the steam of interior pot, but according to electronic signal automatic row's steam unit is closed; And pot is let out the steam pressure safety device on the pot cover in being installed in, let out that the steam pressure safety device normally cuts out, but when the internal pressure of interior pot be higher than the working pressure control device open pressure the time, it is opened and the steam and the pressure of pot in outwards draining.
Wherein, main part is fixedly mounted on the interior pot pot cover outer surface, and comprises row's steam way, and row's steam way is connected with first through hole of interior pot pot cover.Automatically arrange steam way and/or let out the steam pressure safety device and be installed on the main part.Working pressure control device and the public common exhaust duct of automatic row's steam unit, row's steam way is arranged on below the common exhaust duct.Row's steam lid is installed in common exhaust duct outside with removably.
Description of drawings
Fig. 1 a and 1b are the topology views that the usual pressure electric cooker of outer package type working pressure control device is used in expression.Wherein, Fig. 1 a represents that pressure pouring weight 3 is arranged on the state on the pressure-control valve 4, and unloads the process that downforce pouring weight 3 and pin 19 safe in utilization pass steam vent from pressure-control valve 4 during the steam vent that Fig. 1 b represents in blocking to form on the pot pot cover 8.
The topology view of the usual pressure electric cooker of encapsulation type working pressure control device in Fig. 2 is to use;
Fig. 3 is the plane that is used for the device of controlled pressure electric cooker internal pressure according to the preferred embodiment of the invention;
Fig. 4 a and 4b are that wherein Fig. 4 a represents the safety seal closed condition along the cross-sectional view of A-A line among Fig. 3, and Fig. 4 b represents to be opened by the safety pin promotion state of safety seal.
The specific embodiment
Describe the device that is used for the controlled pressure electric cooker with reference to the accompanying drawings in detail according to first preferred embodiment of the invention.
Fig. 3 is the plane that is used for the device of controlled pressure electric cooker internal pressure according to the preferred embodiment of the present invention.
As shown in Figure 3, merged working pressure control device 13, arrange steam unit 1 and let out steam pressure safety device 16 automatically.For this reason, main part 14 is fixedly mounted on the outer surface of interior pot pot cover 8, arranges steam unit 1 automatically and let out steam pressure safety device 16 to be installed on the main part 14.In addition, cover 15 is fixed on the outer surface of main part 14, so that cover working pressure control device 13, and working pressure control device 13 is fixed in main part 14.
The common exhaust duct of label 18 expressions.Working pressure control device 13 links to each other with common exhaust duct 18 by the first communication channel 18a, arranges steam unit 1 automatically and links to each other with common exhaust duct 18 by the second communication channel 18b.Therefore, by working pressure control device 13 or arrange the steam that steam unit 1 discharges automatically then discharge from interior pot 10 by common exhaust duct 18.
Automatic row's steam unit 1, working pressure control device 13 are set and let out steam pressure safety device 16 in as shown in Figure 2 mode.
Promptly, automatically row's steam unit 1 is normally opened owing to the effect of spring force, thereby through hole 12a by the second communication channel 18b, common exhaust duct 18 and row's steam lid 12, interior pot 10 internal pressures that form in the time of will being closed by outer pot cover 7 leak, but row's steam unit 1 is closed according to electronic signal automatically.
Working pressure control device 13 as interior encapsulation type normally cuts out owing to the spring force effect.But when interior pot 10 internal pressure reached predetermined value, working pressure control device 13 overcame the spring force effect and opens, so that by the high steam in the pot 10 in outside drainage of through hole 12a of the second communication channel 18b, common exhaust duct 18 and row's steam lid 12.
Letting out steam pressure safety device 16 normally closes owing to the spring force effect.But, when the internal pressure in the interior pot 1 rise and be higher than working pressure control device 13 open pressure the time, let out steam pressure safety device 16 internal pressure in the interior pot is excreted between pot pot cover 8 and the inner pot cover 9.Therefore, though working pressure control device 13 is not worked or interior pot pot cover 8 on the exhaust duct that forms be plugged and can not discharged steam, then let out steam pressure safety device 16 also can prevent in pot 10 internal pressures excessively raise.
Fig. 4 a and 4b are the cross-sectional views along A-A ' line among Fig. 3, and Fig. 4 a represents safety seal 17 closed conditions, and Fig. 4 b represents that safety seal 17 is promoted by safety pin and the state opened.
Shown in Fig. 4 a, on interior pot pot cover 8, form the first through hole 8a, on the inner surface of interior pot pot cover 8, safety seal 17 is installed to cover the first through hole 8a.Therefore, when cooking rice over a slow fire, in being installed in pot on the pot cover 8 safety seal 17 since steam inside and pressure anchor on the pot pot cover 8, thereby block the discharging of steam.
The second hole 8b is arranged on the inner pot cover 8, and safety seal 17 comprises insertion section 17a and hook portion 17b.Insertion section 17a is outstanding and insert the second hole 8b, and hook portion 17b is arranged on the end of insertion section 17a and is hooked on the excircle of the second hole 8b.
Seal fixed part 14b is arranged on the inner surface of main part 14 with corresponding hook portion 17b.Seal fixed part 14b the hook portion 17b of safety seal 17 is pushed in the excircle of the second hole 8b so that fixing safety seal 17.
In addition, main part 14 comprises row's steam way 14a.Row's steam way 14a is arranged on the first through hole 8a outside of interior pot pot cover 8 and links to each other with the first through hole 8a.Common exhaust duct 18 links to each other with row's steam way 14a.Row's steam lid 12 is installed in removably on the outer pot cover 7 of common exhaust duct 18 outsides so that to exposing outside.Through hole 12a is arranged on row's steam lid 12, so that outwards drain steam from common exhaust duct 18.
When the exhaust duct of interior pot pot cover 8 is plugged, or when working pressure control device 13, arrange steam unit 1 and when letting out steam pressure safety device 16 and not working automatically, shown in Fig. 4 b, row's steam lid 12 is opened, safety seal 17 in pin 19 safe in utilization promotes to anchor on the pot pot cover 8 is so that force the steam inside in the pot 10 in the outwards discharging by the first through hole 8a, row steam way 14a and common exhaust duct 18.
Industrial applicibility
According to the present invention, have by use that operating noise is low, the interior encapsulation of the advantage of good looking appearance Type working pressure control device and special emergency row's steam unit and the security that improves electric pressure And reliability so that the user operate easily with safety hit over the pot pot cover.
Claims (8)
1, be used for the device of controlled pressure electric cooker internal pressure, comprise:
Interior pot;
In the pot pot cover, pot in being used for covering and form pressure space, and have first through hole and second hole at interior pot;
Safety seal on the inner surface of pot pot cover, is used to cover first through hole in being installed in, and during the inside of pot, its part that covers first through hole is separated with interior pot of pot cover when external force is applied in; And when removing external force, its part that covers first through hole is connected so that close first through hole with interior pot pot cover, thereby sealing load space, this safety seal comprises insertion section and hook portion, this insertion section is outstanding and insert second hole, and this hook portion is arranged on the end of this insertion section and is hooked on the excircle in second hole.
2, device as claimed in claim 1 is characterized in that, by pass first through hole and safety seal pushed in pot inner and described external force is applied to the inside of described safety seal.
3, device as claimed in claim 2 is characterized in that, by pin safe in utilization described external force is passed to safety seal, and described safety pin can pass first through hole and arrive safety seal.
4, device as claimed in claim 1, it is characterized in that, in described, be installed with main part on the outer surface of pot pot cover, and has a seal fixed part, described safety seal fixed part is given prominence to and hook portion is pushed in the excircle in described second hole at the main part inner surface, thus fixing described safety seal.
5, as the arbitrary described device of claim 1 to 4, also comprise:
Be installed in the working pressure control device on the described interior pot pot cover, described working pressure control device normally cuts out, but when a pot internal pressure reaches predetermined value in described, described working pressure control device open in case outwards drain described in the steam and the pressure of pot;
Be installed in the automatic row's steam unit on the described interior pot pot cover, that described automatic row's steam unit is normally opened so that outwards drain the steam of described interior pot, but according to electronic signal described automatic row's steam unit is closed; And
Be installed in described in pot let out the steam pressure safety device on the pot cover, describedly let out that the steam pressure safety device normally cuts out, but it is described when opening pressure that the internal pressure of pot is higher than described working pressure control device in described, make its open and outwards drain described in the described steam and the pressure of pot.
6, device as claimed in claim 5, it is characterized in that, main part is fixedly mounted on the described interior pot pot cover outer surface, and comprise row's steam way, first through hole of pot pot cover in described row's steam way is connected in, described automatic row's steam way and/or let out the steam pressure safety device and be installed on the main part.
7, device as claimed in claim 6 is characterized in that, described working pressure control device and the public common exhaust duct of automatic row's steam unit, and described row's steam way is arranged on below the common exhaust duct.
8, device as claimed in claim 7 is characterized in that, row's steam lid is installed in common exhaust duct outside with removably.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20-2002-0033145U KR200302417Y1 (en) | 2002-11-06 | 2002-11-06 | Electric pressure jar |
| KR33145/2002U | 2002-11-06 | ||
| KR37855/2002U | 2002-12-20 | ||
| KR20-2002-0037855U KR200306600Y1 (en) | 2002-12-20 | 2002-12-20 | Internal Pressure Controlling Apparatus for Electric Pressure Rice Cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1498574A CN1498574A (en) | 2004-05-26 |
| CN1233290C true CN1233290C (en) | 2005-12-28 |
Family
ID=34277777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03119263 Expired - Fee Related CN1233290C (en) | 2002-11-06 | 2003-03-06 | Device for controlling internal pressure of electrical pressure cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1233290C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103654468B (en) * | 2012-09-07 | 2016-02-10 | 福库电子株式会社 | Electronic food processor |
| US11202528B2 (en) * | 2017-09-08 | 2021-12-21 | Cuckoo Electronics Co., Ltd. | Electric cooker |
-
2003
- 2003-03-06 CN CN 03119263 patent/CN1233290C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1498574A (en) | 2004-05-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051228 |