CN201987292U - Pressure relief device of electric pressure cooker - Google Patents
Pressure relief device of electric pressure cooker Download PDFInfo
- Publication number
- CN201987292U CN201987292U CN2011200827656U CN201120082765U CN201987292U CN 201987292 U CN201987292 U CN 201987292U CN 2011200827656 U CN2011200827656 U CN 2011200827656U CN 201120082765 U CN201120082765 U CN 201120082765U CN 201987292 U CN201987292 U CN 201987292U
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- China
- Prior art keywords
- pressure
- pot cover
- pressure release
- shell fragment
- concave station
- Prior art date
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- Expired - Lifetime
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- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000010411 cooking Methods 0.000 claims description 31
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
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- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model relates to an electric pressure cooker pressure relief device, including the pot cover, its characterized in that is equipped with the concave station on the pot cover, and the top of concave station is equipped with the pressure release shell fragment, and the pressure release shell fragment is connected with the pot cover, and the pressure release shell fragment constitutes the cavity with the concave station, is equipped with the sealing washer between concave station and pressure release shell fragment, is equipped with the through-hole on the concave station. The beneficial effects of the utility model are that, utilize the outer pot to bear pressure with the rigidity lock of pot cover, set up the pressure release shell fragment on the pot cover concave station, utilize the pot cover on the pressure release shell fragment warp and produce the displacement and carry out the pressure release, simple structure, the size is stable, ensures the stability and the uniformity of pressure release pressure, avoids current Contraband formula structure to receive outer pot, electric heat dish, interior pot, the machining precision of pot cover and the influence of assembly, the incident that leads to the unstable arouse of pressure release pressure is a low cost, the higher electric pressure cooker pressure release safety device of security electric pressure cooker, the utility model discloses also can use on the ordinary pressure cooker.
Description
Technical field
The utility model relates to electric pressure cooking saucepan, particularly a kind of electric pressure cooking saucepan pressure relief device.
Background technology
The embedded structure of mutual coupling is made in electric pressure cooking saucepan common employing pot cover lower edge and outer pot upper edge in the market, outer pot is made several protrusion shapes at the upper edge cylindrical after being drawn into tubbiness, turn over round projection in these projections and the pot cover and mate mutually, utilize the chimeric pressure that bears in the pot of projection up and down.Between pot cover and interior pot, lay sealing ring with interior pot sealing, after producing steam pressure in the pot, pot cover and outer pot are to be rigidly connected, electric hot tray is a resiliency supported, pot is to bottom offset in forcing, electric hot tray pressure-bearing, electric hot tray support elastic body compressive deformation are to bottom offset, and electric hot tray touches pressure switch to bottom offset and realizes pressure control.Under the situation that the exhaust steam valve of electric pressure cooking saucepan and other control structure lost efficacy; pot inner pressure constantly rises; interior pot is constantly to bottom offset; when pressure reaches setting pressure release pressure; sealing ring seal failure between pot cover and the interior pot; electric pressure cooking saucepan carries out pressure release from the pot cover periphery, reaches the safeguard protection effect.In order to guarantee the stability of pressure release, promptly guarantee to begin pressure release when the pressure release pressure of actual pressure and setting is identical in the pot, general thickness to outer pot has certain requirement, therefore, outer pot material cost height.In order to save material, as Chinese patent 03275776.X, name is called " pressure cooker with thin wall " and discloses a kind of thin-walled electric pressure cooking saucepan, and it is the intensity that pot wall place's welding reinforcement increases outer pot button tooth below the projection of outer pot upper edge.But adopt this mode to have many defectives: to increase the welding procedure cost; It is unreliable to weld, and is prone to rosin joint or dry joint, influences intensity and has potential safety hazard; Moreover, the bottom of thin-walled outer pot bear the pot in pressure the time easy deformation.Therefore, can cause the complex process of electric pressure cooking saucepan, deterioration of safety, the life-span is short.
The purpose of this utility model is for overcoming above the deficiencies in the prior art, saves the material of electric pressure cooking saucepan, alleviates the weight of electric pressure cooking saucepan, allows the lighter practicality of electric pressure cooking saucepan, provides a kind of low cost, the electric pressure cooking saucepan pressure relief device that security is higher.
Realize that the technical scheme that the utility model purpose is adopted is: a kind of electric pressure cooking saucepan pressure relief device, comprise pot cover, it is characterized in that, pot cover is provided with concave station, the top of concave station is provided with the pressure release shell fragment, and the pressure release shell fragment is connected with pot cover, and pressure release shell fragment and concave station constitute cavity, be provided with sealing ring between concave station and pressure release shell fragment, concave station is provided with through hole.
Above-mentioned pressure release shell fragment is connected by connector with pot cover.
Above-mentioned pressure release shell fragment and pot cover are rigidly connected.
The lower end of above-mentioned connector is provided with locking member, and this locking member is fastenedly connected pressure release shell fragment and pot cover; Or connector employing rivet, pressure release shell fragment and pot cover are fastenedly connected with riveted way.
Above-mentioned pressure release shell fragment is connected with pot cover elasticity.
Above-mentioned connector and pot cover are fastenedly connected, and the center of connector is provided with projection, are with compression elastic piece on the projection, and the upper end of elastic component is resisted against on the connector of projection top, and the lower end abutment of elastic component is on the pressure release shell fragment, and the pressure release shell fragment is resisted against the concave station bottom.
Above-mentioned pot cover concave station can be arranged on center or other position of pot cover.
The quantity of above-mentioned pot cover concave station can be one or more.
When the utility model uses; be in the situation of exhaust steam valve and the inefficacy of other safety control structure when electric pressure cooking saucepan; pot inner pressure constantly rises; the through hole that is provided with by concave station; the pressure transmission enters in the seal chamber of described pressure release shell fragment and concave station and sealing ring formation; pressure release shell fragment compressive deformation produces to top offset or pressure release shell fragment whole to top offset because of elasticity connects; sealing ring under the pressure release shell fragment produces displacement thereupon; when pot inner pressure reaches setting pressure release pressure; pressure release is carried out in sealing ring and the disengaging of pot cover concave station, reaches the safeguard protection effect.
The beneficial effects of the utility model are, the rigidity of pot outer pot and pot cover fastens and bears pressure in utilizing, the pressure release shell fragment is set on the pot cover concave station, utilize on the pot cover distortion of pressure release shell fragment to produce displacement and carry out pressure release, simple in structure, dimensionally stable, guarantee the stable and uniformity of pressure release pressure, avoid existing Contraband formula structure voltage power pot to be subjected to outer pot, electric hot tray, interior pot, the machining accuracy of pot cover and the influence of assembling, the security incident that causes the pressure release pressure transient to cause, be a kind of low cost, the electric pressure cooking saucepan pressure release safety device that security is higher, the utility model also may be used on the usual pressure pot.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1 on the electric pressure cooking saucepan product;
Fig. 2 is the structural representation of the utility model embodiment 2;
Fig. 3 is the structural representation of the utility model embodiment 3.
Omitted among the figure and the irrelevant miscellaneous part of the utility model design main points.
The specific embodiment
Below in conjunction with drawings and the specific embodiments the utility model is further described.
Embodiment 1:
Present embodiment as shown in Figure 1, it is a kind of electric pressure cooking saucepan pressure relief device, comprise pot cover 1, pressure release shell fragment 2, sealing ring 3, connecting rod 4 and locking member 5, it is characterized in that: punch forming concave station 6 on pot cover 1, in the bottom of concave station 6 towards several through holes 10, described pressure release shell fragment 2 is arranged on the top of concave station 6, by the locking member on the connecting rod 45 pressure release shell fragment 2 and pot cover 1 is fastened together, and is provided with sealing ring 3 between concave station 6 and pressure release shell fragment 2.Like this, pressure release shell fragment 2, sealing ring 3 form a flexible seal chamber with the concave station 6 of pot cover 1; At the connecting rod 4 middle pores 42 that begin to rehearse, pressure limiting valve 15 is established on steam vent 42 tops, and steam vent 42 bottoms directly are communicated with inner tube of pressure cooker, and like this, the pressure relief device of pressure cooker and pressure limiting valve 15 are combined, and save cost and space.
This example in use; when abnormal conditions appear in electric pressure cooking saucepan in cooking process; the controller of electric pressure cooking saucepan lost efficacy and steam vent 42 stops up; the situation that pressure limiting valve 15 lost efficacy; pressure release shell fragment 2 compressive deformations produce and increase to the increase of top offset with pressure on the pot cover 1, and pressure release shell fragment 2 also increases with the displacement that sealing ring 3 produces thereupon, when pressure reaches setting pressure release pressure; sealing ring 3 carries out the superpressure pressure release with the disengaging of concave station 6 sidewalls, reaches the safeguard protection effect.
Embodiment 2:
As shown in Figure 2, present embodiment as different from Example 1: described connecting rod 4 adopts the riveted joint mode that pressure release shell fragment 2 and pot cover 1 are tightened together.
Embodiment 3:
As shown in Figure 3, present embodiment is as different from Example 2: described connector 4 and pot cover 1 are connected by screw and are fastenedly connected, the center of connector 4 is provided with projection 41, be with compression elastic piece 7 on the projection 41, the upper end of elastic component 7 is resisted against on the connector 4 of projection 41 tops, the lower end abutment of elastic component 7 is on pressure release shell fragment 2, and pressure release shell fragment 2 is resisted against concave station 6 bottoms.Elastic component 7 adopts spring in the present embodiment.
In cooking process if abnormal conditions; the situation that the controller of electric pressure cooking saucepan and pressure limiting valve all lost efficacy; pot inner pressure increases; spring 7 compress variations increase, and produce to top offset to increase, and pressure release shell fragment 2 and sealing ring 3 increase to top offset; sealing ring 3 increases with displacement with pot cover concave station 6 amount of interference and reduces; when the pressure in the pot reached setting pressure release pressure, sealing ring 3 carried out the superpressure pressure release with the disengaging of pot cover concave station 6 sidewalls, reaches the safeguard protection effect.
The above only is preferred embodiment of the present utility model, is not that structure of the present utility model is done any type of restriction.Every foundation technical spirit of the present utility model is to any simple modification that above embodiment did, and equivalent variations and modification all fall in the protection domain of the present utility model.
Claims (9)
1. electric pressure cooking saucepan pressure relief device, comprise pot cover (1), it is characterized in that, pot cover (1) is provided with concave station (6), the top of concave station (6) is provided with pressure release shell fragment (2), and pressure release shell fragment (2) is connected with pot cover (1), and pressure release shell fragment (2) constitutes cavity with concave station (6), be provided with sealing ring (3) between concave station (6) and pressure release shell fragment (2), concave station (6) is provided with through hole (10).
2. electric pressure cooking saucepan pressure relief device according to claim 1 is characterized in that, described pressure release shell fragment (2) is connected by connector (4) with pot cover (1).
3. electric pressure cooking saucepan pressure relief device according to claim 2 is characterized in that, described pressure release shell fragment (2) is rigidly connected with pot cover (1).
4. electric pressure cooking saucepan pressure relief device according to claim 3 is characterized in that, the lower end of described connector (4) is provided with locking member (5), and locking member (5) is fastenedly connected pressure release shell fragment (2) and pot cover (1).
5. electric pressure cooking saucepan pressure relief device according to claim 3 is characterized in that, described connector (4) is a rivet, and pressure release shell fragment (2) and pot cover (1) are fastenedly connected with riveted way.
6. electric pressure cooking saucepan pressure relief device according to claim 2 is characterized in that, described pressure release shell fragment (2) is connected with pot cover (1) elasticity.
7. electric pressure cooking saucepan pressure relief device according to claim 6, it is characterized in that, described connector (4) is fastenedly connected with pot cover (1), the center of connector (4) is provided with projection (41), be with compression elastic piece (7) on the projection (41), the upper end of elastic component (7) is resisted against on the connector (4) of projection (41) top, and the lower end abutment of elastic component (7) is on pressure release shell fragment (2), and pressure release shell fragment (2) is resisted against concave station (6) bottom.
8. electric pressure cooking saucepan pressure relief device according to claim 1 is characterized in that, described pot cover concave station (6) is arranged on the center of pot cover (1) or other position of capping.
9. electric pressure cooking saucepan pressure relief device according to claim 1 is characterized in that, the quantity of described pot cover concave station (6) can be one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200827656U CN201987292U (en) | 2011-03-25 | 2011-03-25 | Pressure relief device of electric pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200827656U CN201987292U (en) | 2011-03-25 | 2011-03-25 | Pressure relief device of electric pressure cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201987292U true CN201987292U (en) | 2011-09-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200827656U Expired - Lifetime CN201987292U (en) | 2011-03-25 | 2011-03-25 | Pressure relief device of electric pressure cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201987292U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103815782A (en) * | 2012-11-17 | 2014-05-28 | 戴永锋 | Splashing preventing and oily water collecting device of cooking pressure cooker |
| CN105231813A (en) * | 2015-09-10 | 2016-01-13 | 九阳股份有限公司 | Non-self-resetting pressure relief type electric pressure cooker |
-
2011
- 2011-03-25 CN CN2011200827656U patent/CN201987292U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103815782A (en) * | 2012-11-17 | 2014-05-28 | 戴永锋 | Splashing preventing and oily water collecting device of cooking pressure cooker |
| CN105231813A (en) * | 2015-09-10 | 2016-01-13 | 九阳股份有限公司 | Non-self-resetting pressure relief type electric pressure cooker |
| CN105231813B (en) * | 2015-09-10 | 2018-02-09 | 九阳股份有限公司 | A kind of electric pressure cooking saucepan of non-automatic-reset pressure release |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: MIDEA GROUP CO., LTD. Free format text: FORMER NAME: MEIDI GROUP CO. LTD. |
|
| CP03 | Change of name, title or address |
Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28 Patentee after: MIDEA GROUP Co.,Ltd. Address before: 528311 Beijiao, Foshan, Shunde District, the town of Guangdong, the United States Avenue, No. 6 Patentee before: Midea Group |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110928 |