CN201312736Y - Pressure-overflow safety device of electric cooker - Google Patents
Pressure-overflow safety device of electric cooker Download PDFInfo
- Publication number
- CN201312736Y CN201312736Y CNU2008202043406U CN200820204340U CN201312736Y CN 201312736 Y CN201312736 Y CN 201312736Y CN U2008202043406 U CNU2008202043406 U CN U2008202043406U CN 200820204340 U CN200820204340 U CN 200820204340U CN 201312736 Y CN201312736 Y CN 201312736Y
- Authority
- CN
- China
- Prior art keywords
- valve
- bonnet
- excessive pressure
- electric cooker
- safety device
- Prior art date
- 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
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 230000002159 abnormal effect Effects 0.000 abstract description 12
- 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
- 230000005489 elastic deformation Effects 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 7
- 101100298222 Caenorhabditis elegans pot-1 gene Proteins 0.000 description 5
- 210000000078 claw Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010411 cooking 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
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Landscapes
- Cookers (AREA)
Abstract
The utility model relates to an electric rice cooker's excessive pressure safety device, including setting up apron and the valve bonnet of fixed connection in the apron top of pot opening part in electric rice cooker, be equipped with abnormal air vent on the apron, the abnormal air vent that corresponds on the valve bonnet and lap is equipped with the pressure relief hole, is provided with ability elastic deformation's excessive pressure valve between valve bonnet and apron, and the excessive pressure valve is sealed with abnormal air vent. The utility model discloses simple structure, it is safe in utilization, the practicality is strong, and is with low costs, is applicable to pressure type electricity rice cooker product.
Description
Technical field
The utility model is a kind of excessive pressure safety device of 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 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 electric cooker, comprise cover plate that is arranged on the inner pan of electric cooker opening part and the valve bonnet that is fixedly connected on the cover plate top, cover plate is provided with unusual steam vent, unusual steam vent on the valve bonnet on the corresponding cover plate is provided with pressure relief vent, between valve bonnet and cover plate, be provided with the elastically-deformable excessive pressure valve of energy, overflow and press valve that unusual steam vent is sealed.
Excessive pressure valve described in the technique scheme comprises first projection, valve seat, second projection of valve seat lower end and the valve rod between bonnet and the valve seat of bonnet, bonnet upper end, overflow to press valve by cooperating holding between valve seat and cover plate between the pressure relief vent on first projection and the valve bonnet, second projection and the unusual steam vent, and valve seat seal with steam vent formation unusually.
In order to make the utility model under normal circumstances guarantee sealing effectiveness, described seat design is the shape that the upper end size is little, the lower end size is big, and the radial dimension of valve seat lower end is greater than the radial dimension of unusual steam vent.
In order to make the utility model release smoothly under abnormal conditions, the radial dimension of described valve rod is less than the radial dimension of pressure relief vent on the valve bonnet; The upper surface of described valve seat is provided with fin or salient point.
The beneficial effects of the utility model are:
The utility model under normal circumstances, overflow to press valve by the pressure relief vent on first projection and the valve bonnet, second projection with cooperate holding between valve seat and cover plate between the steam vent unusually, and valve seat and unusual steam vent form sealing, guarantee that the pressure in the electric cooker can rise to service pressure.
The utility model overflows and presses valve to be subjected to abnormal pressure effect generation compressive deformation under abnormal conditions, and bonnet upwards pushes from the valve bonnet pressure relief vent and passes, and steam is discharged through unusual steam vent, valve bonnet pressure relief vent, guarantees safety.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 was cancelled, can artificially manually push downwards overflows pressed valve that it is resetted, and realizes being repeatedly used.
The utility model is simple in structure, and is practical, and cost is low.
Description of drawings
The structural representation of embodiment when Fig. 1 is used for electric cooker for the utility model (not shown uncorrelated part);
Fig. 2 is the enlarged drawing of A among Fig. 1 under the normal condition;
Fig. 3 presses valve for the abnormal conditions underflow and is upwards extruded the enlarged drawing of A among Fig. 1 when carrying out pressure release;
Fig. 4 overflows among Fig. 1 to press the structural representation of valve.
The specific embodiment
Below in conjunction with drawings and Examples the specific embodiment of the present utility model is described further.
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.
The position of corresponding unusual steam vent 4, cover plate 2 upper fixed are connected with valve bonnet 5, and the corresponding cover plate 2 unusual steam vents in valve bonnet 5 tops are provided with pressure relief vent 51, and being provided with in the valve bonnet 5 overflows presses valve 6.In the present embodiment, valve bonnet 5 is made by plastic material, is riveted on the cover plate 2.
Show as Fig. 4, overflow and press valve 6 to make by elastically-deformable silica gel can take place, comprise the bonnet 61 of upper end, the valve rod 62 of centre and the valve seat 63 of lower end, the radial dimension of bonnet 61 is littler than the radial dimension of valve seat 63, bonnet 61 upper ends have first projection 64 that adapts with valve bonnet pressure relief vent 51, valve seat 63 lower ends have second projection 65 that adapts with cover plate 2 unusual steam vents 4, and the radial dimension of valve rod 62 is less than the pressure relief vent on the valve bonnet 5 51.Under the normal condition, overflow to press valve 6 to be installed between valve bonnet 5 and the cover plate 2 with cooperating of cover plate 2 unusual steam vents 4 with pressure relief vent 51, second projection 65 on the valve bonnet 5, and seal, show as Fig. 2 by 63 pairs of unusual steam vents 4 of valve seat by first projection 64.
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 the excessive valve 6 generation elastic deformations of pressing, bonnet 61 upwards pushes from the pressure relief vent 51 of valve bonnet 5 and passes, overflow to press on the valve 6 and move, between valve seat 63 and the unusual steam vent, produce the gap between valve rod 62 and the valve bonnet pressure relief vent 5, remove the sealing state of cover plate 2 and interior pot 1, thereby carry out release, avoid the excessive generation of pressure dangerous.
Cause overflow pressing valve 6 integral body to be moved on significantly for fear of abnormal pressure is excessive, make valve seat 63 and valve bonnet pressure relief vent 51 form sealing, valve seat 63 is designed to the taper that the upper end is little, the lower end is big in the present embodiment, and the conical surface is provided with some fins or salient point 66, fin or salient point 66 contact with the inboard end face of valve bonnet 5, guarantee to form the space between valve seat 63 and the valve bonnet 5.
After abnormal failure is eliminated, slightly firmly manually push bonnet 61 downwards, bonnet 61 is squeezed in the valve bonnet 5, press valve 6 to reset thereby make to overflow.
Claims (6)
1, a kind of excessive pressure safety device of electric cooker, comprise the cover plate (2) that is arranged on inner pan of electric cooker (1) opening part, it is characterized in that on cover plate (2), being fixedly connected with valve bonnet (5), cover plate (2) is provided with unusual steam vent (4), the position that valve bonnet (5) is gone up the unusual steam vent (4) on the corresponding cover plate is provided with pressure relief vent (51), between valve bonnet (5) and cover plate (2), be equipped with energy elastically-deformable excessive pressure valve (6), overflow and press valve (6) that unusual steam vent (4) is sealed.
2, the excessive pressure safety device of electric cooker according to claim 1, it is characterized in that described excessive pressure valve (6) comprises first projection (64), valve seat (63), second projection (65) of valve seat lower end and the valve rod (62) between bonnet (61) and the valve seat (63) of bonnet (61), bonnet upper end, overflow to press valve (6) by cooperating holding between valve bonnet (5) and cover plate (2) between the pressure relief vent (51) on first projection (64) and the valve bonnet, second projection (65) and the unusual steam vent (4), and valve seat (63) seal with steam vent (4) formation unusually.
3, the excessive pressure safety device of electric cooker according to claim 2 it is characterized in that described valve seat (63) is designed to the upper end shape that size is little, the lower end size is big, and the radial dimension of valve seat (63) lower end is greater than the radial dimension of unusual steam vent (4).
4, the excessive pressure safety device of electric cooker according to claim 3 is characterized in that the radial dimension of the radial dimension of described valve rod (62) less than the last pressure relief vent (51) of valve bonnet (5).
5, the excessive pressure safety device of electric cooker according to claim 4 is characterized in that the upper surface of described valve seat (63) is provided with fin or salient point (66).
6, according to the excessive pressure safety device of the arbitrary described electric cooker of claim 1 to 5, it is characterized in that the integrative-structure that described excessive pressure valve (6) is made for silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202043406U CN201312736Y (en) | 2008-11-28 | 2008-11-28 | Pressure-overflow safety device of electric cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202043406U CN201312736Y (en) | 2008-11-28 | 2008-11-28 | Pressure-overflow safety device of electric cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201312736Y true CN201312736Y (en) | 2009-09-23 |
Family
ID=41124522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202043406U Expired - Lifetime CN201312736Y (en) | 2008-11-28 | 2008-11-28 | Pressure-overflow safety device of electric cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201312736Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102525261A (en) * | 2011-12-03 | 2012-07-04 | 乔林友 | Safety device for electric 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 |
-
2008
- 2008-11-28 CN CNU2008202043406U patent/CN201312736Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102805554A (en) * | 2011-06-01 | 2012-12-05 | Seb公司 | Safety valve for pressure-cooking appliance and device including such a valve |
| 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 |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201312734Y (en) | Pressure-overflow safety device for pressure electric cooker | |
| JP2005514730A5 (en) | ||
| CN201312736Y (en) | Pressure-overflow safety device of electric cooker | |
| CN107411544A (en) | A kind of pressure cooker with steam blowout prevention Lid of glass pot | |
| CN202553521U (en) | Pressure relief structure of pressure cooking utensil | |
| CN2796600Y (en) | Safety valve of pressure cooker | |
| CN201879454U (en) | Improved pressure relief valve of pressure cooker | |
| CN201504992U (en) | Safety type pressure cooker | |
| CN202436841U (en) | Safety pressure relief device of electric pressure cooker | |
| CN202408458U (en) | Pressure relief device of electric pressure cooker | |
| CN201178975Y (en) | Pressure cooker | |
| CN201445341U (en) | Overpressure protection float valve for pressure cooker | |
| CN209587243U (en) | Gas compressor with reciprocating cylinder liquid hammer pressure relief valve | |
| CN209329011U (en) | A kind of battery pressure relief valve body | |
| CN208674005U (en) | A kind of automatic rapid protective relaying device | |
| CN208551186U (en) | A kind of pressure cooker with steam blowout prevention Lid of glass pot | |
| CN208859040U (en) | Integrated exhaust pressure release valve device | |
| CN2529585Y (en) | Explosion-proof fast decompression valve | |
| CN202191174U (en) | Electric heating kettle | |
| CN101884498A (en) | Anti-explosion safety device of autoclave | |
| CN201617692U (en) | Intelligent pot cover handle | |
| CN2101441U (en) | Explosion-proof safety device for pressure cooker | |
| CN221034133U (en) | Hydrogen release valve | |
| CN202408459U (en) | Safety pressure relief device of electric pressure cooker | |
| CN202436845U (en) | Non-automatic-reset pressure relief device of electric pressure cooker |
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: 20120418 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120418 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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090923 |