CN1522637A - Constant pressure device of pressure electric cooker - Google Patents
Constant pressure device of pressure electric cooker Download PDFInfo
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- CN1522637A CN1522637A CNA031046851A CN03104685A CN1522637A CN 1522637 A CN1522637 A CN 1522637A CN A031046851 A CNA031046851 A CN A031046851A CN 03104685 A CN03104685 A CN 03104685A CN 1522637 A CN1522637 A CN 1522637A
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Abstract
The present invention discloses a constant pressure device of pressure electric cooker. It mainly includes valve self-body and pressure hammer. Said valve self-body is placed in the interior of cooker cover, in which a space communicate the exterior with heating pot. The pressure hammer can be moved upwards and downwards in the space of valve self-body. If the interior pressure of heating pot is greater than weight of pressure hammer, the pressure hammer can move upwards to make a certain quantity of vapour be dischanged. Said constant pressure device can be placed in the interior of cooker cover, so that the shape of external cover can be more simple, and can be made into various shapes.
Description
Technical field
The present invention relates to a kind of electric pressure rice cooker, particularly relate to a kind of constant pressure device of pressure electric cooker.
Background technology
In general, electric pressure rice cooker be a kind of with electricity as heating source and to the device of cooking food, it can carry out gastronomical process under the state that keeps the pot internal high pressure fast.Fig. 1 is the electric pressure rice cooker structural front view of prior art.Fig. 2 is the state diagram when opening of the electric pressure rice cooker pot cover among Fig. 1.As depicted in figs. 1 and 2, this electric pressure rice cooker mainly comprises body 10 and pot cover 20.Heating kettle 13 is equipped with in body 10 inside; And pot cover 20 is the top that is combined in body 10 with hinge.Body 10 mainly comprises shell 11, not shown actuating coil base and heating kettle 13.The actuating coil base is positioned at the inside of shell 11 and forms certain space, and heating kettle 13 is installed in the actuating coil base.The lateral surface of actuating coil base is provided with actuating coil, and when connecting power supply, this actuating coil can produce electric current.Pot cover 20 mainly comprises enclosing cover 21, automatic exhaust device 25 and constant-voltage equipment 26.Automatic exhaust device 25 is arranged on the enclosing cover 21, and it can be discharged the steam in the heating kettle 13 automatically after the end of cooking; Constant-voltage equipment 26 also is arranged on the enclosing cover 21, can make the electric pressure rice cooker pressure inside keep constant by regulating this device, and it when a side is raised, can be discharged the steam in the pot.Also be provided with rotatable lock handle 23 on the enclosing cover 21, and its underpart is provided with the top heating plate 22 that can seal up heating kettle 13 inside when closing pot cover 20, the edge of top heating plate 22 is provided with lock ring.When twist-lock handle 23, lock ring can make top heating plate 22 combine closely on heating kettle 13.Automatic exhaust device 25 includes magnetic valve 25a.After end of cooking, automatic exhaust device 25 can be under the control of control part opens solenoid valve 25a and discharge the steam that produces in the heating kettle 13 automatically.Constant-voltage equipment 26 mainly comprises not shown valve and pressure limiting valve.Described valve is arranged on the inside of enclosing cover 21, and its central part is provided with the steam drain passageway; Pressure limiting valve is arranged on the upper end of valve, and it can open and close the steam drain passageway, and outstanding certain altitude is arranged on the enclosing cover 21.But, the electric pressure rice cooker of this prior art has following shortcoming: first, enclosing cover 21 has been recessed to form downwards groove 21a has been set, be provided with and be provided with constant-voltage equipment 26 in the groove 21a, will reduce the height that is provided with of pressure limiting valve like this, so just need to consider being provided with highly and the position of constant-voltage equipment 26 when making enclosing cover 21, and the shape of enclosing cover 21 also can be subjected to a lot of restrictions; The second, pressure limiting valve is to the outstanding certain height in outside, the more complicated so the structure of pot cover 20 and profile all seem; The 3rd, when electric pressure rice cooker is cooked, if the user does not notice and raise pressure limiting valve to a side that the steam of heating kettle inside will be discharged to the outside, at this moment just can not carry out normal gastronomical process.
Summary of the invention
In order to address the above problem, the constant pressure device of pressure electric cooker that the object of the present invention is to provide a kind of making that makes enclosing cover to be more prone to.
In order to achieve the above object, constant pressure device of pressure electric cooker provided by the invention mainly comprises valve body and pressure hammer; Valve body is arranged on the inside of pot cover, and its inside is formed with the space that can be communicated with outside and heating kettle; Pressure hammer can move up and down in the space of valve body, if heating kettle pressure inside specific pressure is hammered into shape from great, pressure hammer then moves to top, makes a certain amount of steam discharge to the outside.
Constant pressure device of pressure electric cooker provided by the invention can be brought following effect:
The first, because constant-voltage equipment of the present invention is arranged on the inside of pot cover, can makes the shape of enclosing cover simpler like this, and can make various shape.
The second, constant-voltage equipment and automatic exhaust device all can be arranged on the inside of pot cover.
The 3rd, because pressure hammer of the present invention is arranged on the inside of pot cover, so need not to confirm separately its position.
The 4th, because constant pressure device of pressure electric cooker of the present invention is arranged on the inside of pot cover, so just can prevent in the gastronomical process owing to the user does not note making the problem of pot interior steam to the outside discharge.
Description of drawings
Below in conjunction with the drawings and specific embodiments constant pressure device of pressure electric cooker of the present invention is elaborated.
Fig. 1 is the electric pressure rice cooker structural front view of prior art.
Fig. 2 is the state diagram when opening of the electric pressure rice cooker pot cover among Fig. 1.
Fig. 3 is for adopting the electric pressure rice cooker front view of constant-voltage equipment of the present invention.
Fig. 4 is the electric pressure rice cooker side sectional view among Fig. 3.
Fig. 5 is the constant-voltage equipment STRUCTURE DECOMPOSITION cutaway view among Fig. 3.
Fig. 6 is the pressure hammer stereogram of constant-voltage equipment in the pie graph 5.
Fig. 7 is the constant-voltage equipment assembled state cutaway view among Fig. 5.
The specific embodiment
Fig. 3 is for adopting the electric pressure rice cooker front view of constant-voltage equipment of the present invention.Fig. 4 is the electric pressure rice cooker side sectional view among Fig. 3.As shown in Figure 3 and Figure 4, electric pressure rice cooker of the present invention mainly comprises body 10 and pot cover 30.Heating kettle 13 can be put in body 10 inside; Pot cover 30 is the top that is combined in body 10 by hinge.Enclosing cover 31 is positioned at the outside of pot cover 30; Top heating plate 32 then is arranged on the bottom of enclosing cover 31.The size of the top heating plate 32 almost upper end size with heating kettle 13 is identical, shuts the upper end that 30 top heating plates 32 of pot cover just can cover heating kettle 13.In addition, pot cover 30 is provided with rotatable lock handle 33.Lock handle 33 is outstanding to the outside from enclosing cover 31, which is provided with the lock ring 34 that can be rotated with lock handle 33.Lock ring 34 in the form of a ring, it is arranged on the edge of top heating plate 32.Close after the pot cover 30, during spin locking handle 33, lock ring 34 will be subjected to the upper end of heating kettle 13 and the constraint of top heating plate 32, and at this moment, top heating plate 32 just can close the inside of heating kettle 13.Be provided with constant-voltage equipment 100 in the pot cover 30, when with electric pressure rice cooker gratin being cooked, it can make heating kettle 13 pressure inside keep constant.Pot cover 30 inside also can be provided with automatic exhaust device 130.Automatic exhaust device 130 comprises the magnetic valve that can open and close by control part.Fig. 5 is the constant-voltage equipment STRUCTURE DECOMPOSITION cutaway view among Fig. 3.Fig. 6 is the pressure hammer stereogram of constant-voltage equipment in the pie graph 5.Fig. 7 is the constant-voltage equipment assembled state cutaway view among Fig. 5.As shown in Figure 5, constant-voltage equipment 100 mainly comprises valve body 110 and pressure hammer 120.Valve body 110 is arranged on pot cover 30 inside, and its inside is formed with the space 111 that can be communicated with outside and heating kettle 13; Pressure hammer 120 can move up and down in the space 111 of valve body 110, if heating kettle 13 pressure inside specific pressures hammer 120 into shape from great, 120 of pressure hammers move to top, make a certain amount of steam discharge to the outside.Should consider the pressure that heating kettle 13 inside need be kept in the gastronomical process when therefore design pressure is hammered 120 deadweight into shape.Valve body 110 secure bond on top heating plate 32, top heating plate 32 then secure bond in the upper end of heating kettle 13 with its sealing.Valve body 110 is made of cylindrical shape first body 110a and the cylindrical shape second body 110b.The cylindrical shape first body 110a projects upwards formation from top heating plate 32, and its underpart is provided with the steam inflow opening 112 that can be interconnected with heating kettle 13; The cylindrical shape second body 110b secure bond is in the upper end of the first body 110a and form space 111, and its upper end is provided with and can makes steam outlet 113 outside and that space 111 is interconnected.Wherein, be formed with screw thread 114a on the upper end outer peripheral face of the first body 110a, be formed with on the lower end inner peripheral surface of the second body 110b and can match with the screw thread 114a of the first body 110a, simple more cleaning constant-voltage equipment 100 inside that reach of dismounting valve body 110 are more prone to the second body 110b is combined in the screw thread 114b on the first body 110a.Also can offer groove on top heating plate 32, at the inner peripheral surface formation screw thread of groove, the while also forms screw thread and valve body 110 is combined on the top heating plate 32 on the outer peripheral face of the lower end of valve body 110.But the fixing combination portion of the first body 110a and the second body 110b is provided with the O type ring 116 of enclosure space 111.O type ring 116 is arranged in the seal groove 115 that the upper end of the first body 110a forms, and so just can prevent that steam is to the discharge of valve body outside.Be provided with pressure hammer 120 in the space 111 of valve body 110, the diameter of pressure hammer 120 is littler than the internal diameter in space 111.As shown in Figure 6, its circumferencial direction of outer peripheral face upper edge, pressure hammer 120 upper end is outstanding to be formed with a plurality of sliding parts 121 that can slide at valve body 110 inner peripheral surfaces, and its bottom is formed with can be corresponding with steam inflow opening 112 and salable conus portions 122 of living steam inflow opening 112.The present invention can only be arranged on constant-voltage equipment 100 inside of pot cover 30, also constant-voltage equipment 100 and automatic exhaust device 130 all can be arranged in the pot cover 30, can make enclosing cover 31 need not that independent formation is provided with groove 21a as prior art like this, thereby enclosing cover 31 just can be made into various shape.When the user puts into food and builds pot cover 30 in heating kettle 13 after, spin locking handle 33, at this moment the lock ring 34 that links to each other with lock handle 33 also can together rotate, and with top heating plate 32 secure bond on the top of heating kettle 13, so that form confined space in the inside of heating kettle 13.Then, the user can select cooking method on the control panel 12 of electric pressure rice cooker, and the actuating coil that at this moment is positioned at heating kettle 13 bottoms begins to connect power supply and begins to cook.After the gastronomical process certain time, the food that is contained in the heating kettle 13 will be in specific temperature and pressure, along with heating kettle 13 pressure inside continue to rise, if this pressure is greater than the words of pressure hammer 120 deadweights, pressure hammer 120 will move to top and open steam inflow opening 112, at this moment, the steam that flow into by steam inflow opening 112 in the space 111 of valve body 110 will move to top by the slit between each sliding part 121 and steam through hole 123, and discharges to the outside by steam outlet 113.Along with the discharge of steam, when the pressure in the heating kettle 13 is reduced to the deadweight of specific pressure hammer 120 when low gradually, as shown in Figure 7, pressure hammer 120 will be by deadweight and steam off inflow entrance 112.By moving up and down of pressure hammer 120, can make the pressure in the heating kettle 13 keep constant.After end of cooking, automatic exhaust device will be opened under the control of control part, and most of steam that inside produces is discharged to the outside.
Claims (7)
1, a kind of constant pressure device of pressure electric cooker is characterized in that: described constant pressure device of pressure electric cooker mainly comprises valve body (110) and pressure hammer (120); Valve body (110) is arranged on the inside of pot cover (30), and its inside is formed with the space (111) that can be communicated with outside and heating kettle (13); Pressure hammer (120) can move up and down in the space (111) of valve body (110), if heating kettle (13) pressure inside specific pressure is hammered (120) into shape from great, pressure hammer (120) then moves to top, makes a certain amount of steam discharge to the outside.
2, constant pressure device of pressure electric cooker according to claim 1, it is characterized in that: described valve body (110) secure bond on top heating plate (32), top heating plate (32) then secure bond in the upper end of heating kettle (13) with its sealing.
3, constant pressure device of pressure electric cooker according to claim 2 is characterized in that: described valve body (110) is made of cylindrical shape first body (110a) and cylindrical shape second body (110b); Cylindrical shape first body (110a) projects upwards formation from top heating plate (32), and its underpart is provided with the steam inflow opening (112) that can be interconnected with heating kettle (13); Cylindrical shape second body (110b) secure bond is in the upper end of first body (110a) and form space (111), and its upper end is provided with and can makes outside and space (111) steam outlet (113) of being interconnected.
4, constant pressure device of pressure electric cooker according to claim 3 is characterized in that: be formed with screw thread (114a) on the upper end outer peripheral face of described first body (110a); Be formed with on the lower end inner peripheral surface of second body (110b) and can match with the screw thread (114a) of first body (110a) second body (110b) is combined in the screw thread (114b) on first body (110a).
5, constant pressure device of pressure electric cooker according to claim 3 is characterized in that: the fixing combination portion of described first body (110a) and second body (110b) is provided with the O type ring (116) that can close space (111).
6, constant pressure device of pressure electric cooker according to claim 3 is characterized in that: be provided with pressure hammer (120) in the space (111) of described valve body (110), the diameter of pressure hammer (120) is littler than the internal diameter of space (111).
7, constant pressure device of pressure electric cooker according to claim 6, it is characterized in that: described pressure hammer (120) upper end outer peripheral face is formed with a plurality of sliding parts (121) that can slide at valve body (110) inner peripheral surface along its circumferencial direction is outstanding, and its bottom is formed with can be corresponding with steam inflow opening (112) and salable conus portion (122) of living steam inflow opening (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031046851A CN1522637A (en) | 2003-02-21 | 2003-02-21 | Constant pressure device of pressure electric cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031046851A CN1522637A (en) | 2003-02-21 | 2003-02-21 | Constant pressure device of pressure electric cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1522637A true CN1522637A (en) | 2004-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031046851A Pending CN1522637A (en) | 2003-02-21 | 2003-02-21 | Constant pressure device of pressure electric cooker |
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| Country | Link |
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| CN (1) | CN1522637A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008125947A1 (en) * | 2007-04-13 | 2008-10-23 | Tunbow Electrical Limited | Steam generator |
| CN102349787A (en) * | 2011-07-21 | 2012-02-15 | 广东伊立浦电器股份有限公司 | Control method and control valve for moisturizing food in electric cooker |
-
2003
- 2003-02-21 CN CNA031046851A patent/CN1522637A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008125947A1 (en) * | 2007-04-13 | 2008-10-23 | Tunbow Electrical Limited | Steam generator |
| CN102349787A (en) * | 2011-07-21 | 2012-02-15 | 广东伊立浦电器股份有限公司 | Control method and control valve for moisturizing food in electric cooker |
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| WD01 | Invention patent application deemed withdrawn after publication |