CN201312734Y - Pressure-overflow safety device for pressure electric cooker - Google Patents
Pressure-overflow safety device for pressure electric cooker Download PDFInfo
- Publication number
- CN201312734Y CN201312734Y CNU2008202043393U CN200820204339U CN201312734Y CN 201312734 Y CN201312734 Y CN 201312734Y CN U2008202043393 U CNU2008202043393 U CN U2008202043393U CN 200820204339 U CN200820204339 U CN 200820204339U CN 201312734 Y CN201312734 Y CN 201312734Y
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- China
- Prior art keywords
- pressure
- valve
- bonnet
- safety device
- electric cooker
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000002159 abnormal effect Effects 0.000 abstract description 13
- 241000209094 Oryza Species 0.000 abstract description 7
- 235000007164 Oryza sativa Nutrition 0.000 abstract description 7
- 235000009566 rice Nutrition 0.000 abstract description 7
- 238000010411 cooking Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract 2
- 230000005489 elastic deformation Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 6
- 101100298222 Caenorhabditis elegans pot-1 gene Proteins 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 210000000078 claw Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
Images
Abstract
The utility model relates to an excessive pressure safety device of pressure type electricity rice cooker, including setting up the apron of pot opening part in electricity rice cooker, be equipped with abnormal exhaust hole on the apron, be fixed with the valve bonnet on the position that the apron top corresponds abnormal exhaust hole, be equipped with the release hole on the valve bonnet, but elastic deformation's excessive pressure valve passes abnormal exhaust hole and clamps on the apron and sealed abnormal exhaust hole. The utility model has the characteristics of simple structure, the practicality is strong, with low costs, but the wide application is on pressure cooker, electric pressure cooker and the electric pressure cooking utensil products such as the electric rice cooker of taking pressure.
Description
Technical field
The utility model is a kind of excessive pressure safety device of pressure type electric cooker, is mainly used in the explosion-proof release of pressure type electric cooker.
Background technology
The electric pressure rice cooker cooking time is fast, effective, liked by the consumer, but the safety problem of electric pressure rice cooker also is the problem that the consumer more and more worries simultaneously.
General electric pressure rice cooker product is at the last operating pressure control device that is provided with various different structures that covers, as gravity ball control steam passage structure, solenoid control steam passage structure etc., when the pressure in pot rose the operating pressure that reaches predetermined, steam passage was opened, and pressure is reduced.And in order to prevent that electric pressure rice cooker generation abnormal conditions, steam passage are blocked, pot internal pressure can't discharge the danger that causes, also being provided with on the product overflows presses safety device.As Chinese patent " ZL95234112.3 novel not quick-fried safe pressure cooker " disclose a kind of be provided with at the pot cover edge elongated hole, pot on one's body edge the structure of pressure relief vent is set, when pressure anomaly takes place, outside elongated hole, depressurization carries out release to the sealing ring part by pressure extrusion.And for example Chinese patent " the explosion-proof fast pressure relief valve of ZL01242531.1 " discloses a kind of pressure-relief valve structure of being made up of the spool of valve body and band claw, when pressure anomaly takes place, valve body is extruded pot cover and carries out release, limits displacement by claw simultaneously valve body can not lost.
In above-mentioned two kinds of pressure safety device structures of overflowing, the former damages because of being extruded by sealing ring easily; Latter's structure more complicated, parts are more, and spool made by metal material, and cost is higher relatively.
The utility model content
The purpose of this utility model is at the deficiencies in the prior art, provides a kind of simple in structure, safe in utilization, the excessive pressure safety device of the pressure type electric cooker that cost is low.
The technical scheme that realizes the utility model purpose is as follows:
A kind of excessive pressure safety device of pressure type electric cooker, comprise the cover plate that is arranged on the inner pan of electric cooker opening part, cover plate is provided with unusual steam vent, be fixed with valve bonnet on the position of the corresponding unusual steam vent in cover plate top, valve bonnet is provided with pressure relief vent, and the excessive pressure valve of elastically deformable passes unusual steam vent and clamps on the cover board and seal unusual steam vent.
Pressure relief vent on the above-mentioned valve bonnet is arranged on the end face or the side of valve bonnet.
Above-mentioned excessive pressure valve is " worker " shape structure.
Bonnet, the valve rod of centre and the valve seat of lower end on the excessive pressure of described " worker " shape valve comprises, the bonnet of the pressure of overflowing valve is positioned at the cover plate upper surface, and valve rod passes unusual steam vent, and valve seat is positioned at below the cover plate, and the excessive pressure of formation valve clamps structure on the cover board.
Above-mentioned seat design becomes the shape that the upper end size is big, the lower end size is little.
Above-mentioned bonnet is designed to the shape that the upper end is little, the lower end is big, and the radial dimension of lower end is greater than the radial dimension of unusual steam vent.
For the excessive pressure valve in the utility model can be automatically reset, between above-mentioned bonnet and valve bonnet, be provided with back-moving spring.
The beneficial effects of the utility model are:
The utility model under normal circumstances overflow to be pressed valve to pass unusual steam vent and is clamped on the cover board and seal unusual steam vent, guarantees that the pressure in the electric cooker can rise to service pressure.
The utility model overflows and presses safety device under abnormal conditions, overflow and press valve to be subjected to the abnormal pressure effect along moving on the unusual steam vent of cover plate, and deformation takes place and valve seat is pushed pass from unusual steam vent in compression, remove the sealing of inner pan of electric cooker, making steam pass through unusual steam vent discharges from interior pot, and the pressure relief vent on valve bonnet enters the external world, guarantees the safe in utilization of electric cooker.And overflow to press valve to be limited in the valve bonnet, and can not lose, can be flushed near the people or thing of pot external by steam yet.In addition, after abnormal pressure is cancelled, overflow and press valve can rely on the excessive compression reaction power of valve and/or spring of pressing to reset, also can artificially manually reset, thereby be repeatedly used.On the electric pressure cooking appliance products such as electric cooker of the utility model applicable to pressure cooker, electric pressure cooking saucepan and band pressure.
The utility model is simple in structure, and is practical, and cost is low.
Description of drawings
Fig. 1 is the structural representation (not shown uncorrelated part) that has used the embodiment 1 of electric cooker of the present utility model;
Fig. 2 is the enlarged drawing of A among Fig. 1 under the normal condition;
The enlarged drawing of A among Fig. 1 when Fig. 3 presses valve upwards to be extruded exhaust for the abnormal conditions underflow;
Fig. 4 overflows among Fig. 1 to press the structural representation of valve;
Fig. 5 is the structural representation (not shown uncorrelated part) of embodiment 2.
The specific embodiment
Below in conjunction with drawings and Examples the specific embodiment of the present utility model is described further.
Embodiment 1:
As Fig. 1, the openend of the interior pot 1 of electric cooker is coated with cover plate 2, and form sealing with cover plate 2, cover plate 2 is provided with normal exhaust hole 3 and unusual steam vent 4, under the normal condition, under the effect of pressure control mechanism (not shown), the steam in the interior pot 1 is discharged through the steam passage (not shown) by normal exhaust hole 3, keeps certain working pressure in the pot 1 in making.Corresponding unusual steam vent 4, the riveted joint of cover plate 2 tops has valve bonnet 5, and valve bonnet 5 is provided with pressure relief vent 51, and being provided with in the valve bonnet 5 overflows presses valve 6.Show as Fig. 4, the excessive valve 6 of pressing comprises the bonnet 61 of upper end, the valve rod 62 of centre and the valve seat 63 of lower end by making " worker " shape by elastically-deformable silica gel, and valve rod 62 is the cylindricality that adapts with unusual steam vent 4, the radial dimension of bonnet 61 is bigger, and the radial dimension of valve seat 63 is less.Under the normal condition, overflow and press valve 6 by valve rod 62 and being installed on the cover plate 2 that unusual steam vent 4 adapts and cooperates, unusual steam vent 4 is in sealing state, shows as Fig. 2.
When steam discharge is broken down normally in pressure control mechanism or steam passage or normal exhaust hole 3, show as Fig. 3, abnormal pressure in the interior pot 1 promotes to overflow to press on the unusual steam vent 4 in valve 6 edges and moves, and valve seat 63 generation elastic compression are pushed from unusual steam vent 4 and are passed, produce the slit between the lower surface of valve seat 63 and the unusual steam vent 4, remove the sealing state of cover plate 2 and interior pot 1, thereby carry out release, avoid the excessive generation of pressure dangerous.
Valve seat 63 is designed to the taper that the upper end radial dimension is big, the lower end radial dimension is little in the present embodiment, one makes under the abnormal conditions that to press valve 6 to unload pressure resistance by overflowing little, more smooth and easy, two after abnormal failure is eliminated, and manually spurs valve seat 63 downwards, and can make overflows presses valve 6 to reset.
Embodiment 2:
Show that as Fig. 5 as different from Example 1, the excessive pressure of present embodiment safety device also comprises the compression spring 7 that placing between excessive pressure valve 6 upper ends and the valve bonnet 5, increases the reset force of excessive pressure valve 6, making excessive pressure valve 6 after abnormal failure is eliminated, can automatically reset repeated use.
Claims (7)
1, a kind of excessive pressure safety device of pressure type electric cooker, comprise the cover plate (2) that is arranged on inner pan of electric cooker (1) opening part, it is characterized in that cover plate (2) is provided with unusual steam vent (4), be fixed with valve bonnet (5) on the position of the corresponding unusual steam vent (4) in cover plate (2) top, valve bonnet (5) is provided with pressure relief vent (51), and the excessive pressure valve (6) of elastically deformable passes unusual steam vent (4) and is installed on cover plate (2) and goes up and seal unusual steam vent (4).
2, the excessive pressure safety device of pressure type electric cooker according to claim 1 is characterized in that the pressure relief vent (51) on the above-mentioned valve bonnet (5) is arranged on the end face or the side of valve bonnet (5).
3, the excessive pressure safety device of pressure type electric cooker according to claim 1 is characterized in that described excessive pressure valve (6) is " worker " shape structure.
4, the excessive pressure safety device of pressure type electric cooker according to claim 3, it is characterized in that excessive bonnet (61), the valve rod (62) of centre and the valve seat (63) of lower end of pressing valve (6) to comprise the upper end of described " worker " shape, overflow and press the bonnet (61) of valve to be positioned at cover plate (2) upper surface, valve rod (62) passes unusual steam vent (4), valve seat (63) is positioned at below the cover plate (2), and formation excessive pressure valve (6) is installed on the structure on the cover plate 2.
5, the excessive pressure safety device of pressure type electric cooker according to claim 4 is characterized in that described valve seat (63) is designed to the shape that the upper end size is big, the lower end size is little.
6, the excessive pressure safety device of pressure type electric cooker according to claim 4 it is characterized in that described bonnet (61) is designed to the shape that the upper end is little, the lower end is big, and the radial dimension of lower end is greater than the radial dimension of unusual steam vent (4).
7,, it is characterized in that between described bonnet (61) and valve bonnet (5), being provided with back-moving spring (7) according to the excessive pressure safety device of claim 5 or 6 described pressure type electric cookers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202043393U CN201312734Y (en) | 2008-11-28 | 2008-11-28 | Pressure-overflow safety device for pressure electric cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202043393U CN201312734Y (en) | 2008-11-28 | 2008-11-28 | Pressure-overflow safety device for pressure electric cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201312734Y true CN201312734Y (en) | 2009-09-23 |
Family
ID=41124520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202043393U Expired - Lifetime CN201312734Y (en) | 2008-11-28 | 2008-11-28 | Pressure-overflow safety device for pressure electric cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201312734Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102204782A (en) * | 2011-05-25 | 2011-10-05 | 广东伊立浦电器股份有限公司 | Movable-cover-type micropressure cooker |
| 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 |
| CN102525261A (en) * | 2011-12-03 | 2012-07-04 | 乔林友 | Safety device for electric pressure cooker |
| CN102525263A (en) * | 2012-01-11 | 2012-07-04 | 黄凯兵 | Pressure release structure for pressure cooker |
| CN102805554A (en) * | 2011-06-01 | 2012-12-05 | Seb公司 | Safety valve for pressure-cooking appliance and device including such a valve |
| CN102920318A (en) * | 2012-02-26 | 2013-02-13 | 乔林友 | Safety device for manual pressure regulating type electric pressure cooker |
| CN107028485A (en) * | 2016-02-03 | 2017-08-11 | (株)大辰 | The sealing structure of home-use double boiler |
-
2008
- 2008-11-28 CN CNU2008202043393U patent/CN201312734Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102204782A (en) * | 2011-05-25 | 2011-10-05 | 广东伊立浦电器股份有限公司 | Movable-cover-type micropressure cooker |
| CN102805554A (en) * | 2011-06-01 | 2012-12-05 | Seb公司 | Safety valve for pressure-cooking appliance and device including such a valve |
| 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 |
| CN102525261A (en) * | 2011-12-03 | 2012-07-04 | 乔林友 | Safety device for electric pressure cooker |
| CN102525261B (en) * | 2011-12-03 | 2014-07-23 | 乔林友 | Safety device for electric pressure cooker |
| CN102525263A (en) * | 2012-01-11 | 2012-07-04 | 黄凯兵 | Pressure release structure for pressure cooker |
| CN102920318A (en) * | 2012-02-26 | 2013-02-13 | 乔林友 | Safety device for manual pressure regulating type electric pressure cooker |
| CN102920318B (en) * | 2012-02-26 | 2014-09-17 | 乔林友 | Safety device for manual pressure regulating type electric pressure cooker |
| CN107028485A (en) * | 2016-02-03 | 2017-08-11 | (株)大辰 | The sealing structure of home-use double boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: MIDEA ELECTRICAL HEATING APPLIANCES MANUFACTURING Free format text: FORMER OWNER: MEIDI GROUP CO. LTD. Effective date: 20120419 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120419 Address after: Beijiao Town, Shunde District of Guangdong city of Foshan province Sanle road 528311 No. 19 Patentee after: FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MANUFACTURING Co.,Ltd. Address before: 528311 Penglai Road, Beijiao Town, Foshan District, Guangdong, China, Patentee before: Midea Group |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090923 |
|
| CX01 | Expiry of patent term |