CN2320154Y - Explosion-proof rubber locking ring for pressure cooker - Google Patents
Explosion-proof rubber locking ring for pressure cooker Download PDFInfo
- Publication number
- CN2320154Y CN2320154Y CN 97217531 CN97217531U CN2320154Y CN 2320154 Y CN2320154 Y CN 2320154Y CN 97217531 CN97217531 CN 97217531 CN 97217531 U CN97217531 U CN 97217531U CN 2320154 Y CN2320154 Y CN 2320154Y
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- CN
- China
- Prior art keywords
- pressure cooker
- explosion
- proof rubber
- utility
- model
- 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 - Fee Related
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Abstract
The utility model discloses an explosion-proof rubber locking ring for a pressure cooker, which is provided for solving the seal and the proof explosion of the pressure cooker. The utility model is composed of a sealing surface of the utility model, a supporting surface and supporting ribs. The sealing surface of the utility model is connected with the supporting surface through the supporting ribs. The explosion-proof rubber locking ring for a pressure cooker of the utility model has the advantages of reasonable design, simple structure and low cost. The utility model can seal, prevent explosion, etc.
Description
The utility model relates to a kind of seal ring of pressure cooker.
Along with living standards of the people improve, pressure cooker is come into huge numbers of families, but pressure cooker is because defective or the improper use phenomenon of blasting is once in a while gone up in design, and each pressure cooker production unit is successively succeeded in developing on pot cover fluting or increased safety device for this reason, so just increases production cost.And Chinese patent is also a lot of about seal ring of pressure cooker technology report, but all concentrates on anti-gas-leak sealing, the theme that increases the service life.It as the patent No. 94201007.8 Chinese patent " a kind of gasket cement of pressure cooker circle ", it is set up one and fuses with it on the sealing lip limit inner edge of common Y type cushion rubber, strut the support ring on two sealing lip limits, since support ring with two lip limit roof pressures at pot envelope place, thereby increased the sealing property of pressure cooker, the service life of also having extended cushion rubber simultaneously.As the patent No. is 94227631.0 Chinese patent " lining posture high-pressure cooker sealing ring ", also exists same defective, and explosion prevention function promptly loses heart.
Be to provide a kind of and can seal, can lose heart again the explosion-proof rubber seal of pressure cooker explosion-proof, simple structure based on above-mentioned the utility model purpose.
The technical solution of the utility model is such: this seal ring of pressure cooker, it is characterized in that it is made up of sealing surface, bearing-surface, the supporting rib of sealing ring, and the sealing surface of sealing ring connects the bearing-surface of sealing ring by supporting rib.
Above-mentioned sealing surface cross section can be Y type, U type,
The type different shape.
Above-mentioned supporting rib cross section can be rectangle, cabochon,
The various type shapes of type.
Description of drawings:
Fig. 1. the explosion-proof rubber seal structure chart of pressure cooker of the present utility model:
Fig. 2. pot port recess schematic diagram;
Fig. 3. the explosion-proof in use rubber seal of pressure cooker changes schematic diagram.
Below in conjunction with description of drawings embodiment of the present utility model is described further.
As Figure 1-3, this seal ring of pressure cooker, its sealing surface by sealing ring (1), bearing-surface (2), supporting rib (3) are formed, and the sealing surface of sealing ring connects the bearing-surface of sealing ring by supporting rib.The sealing surface cross section of its sealing ring can be Y type, U type,
The type different shape.The supporting rib cross section can be rectangle, cabochon,
The type different shape.Its principle is that sealing surface sealing force and supporting rib supporting force design in the certain pressure scope, plays sealing and safety effect.When the pressure cooker operate as normal, promptly in certain design air pressure, the explosion-proof rubber seal of pressure cooker can suitably expand and seal, in case during the pressure cooker operation irregularity, promptly air pressure reach pressure cooker safe pressure scope or more than, supporting rib hold can't stand pressure and be forced to the compression and the distortion, when the pot internal gas pressure reached predetermined design pressure, sealing ring is any extruding outside the pot from groove just, and pot interior gas is leaked and step-down in a large number, reach and avoid quick-fried pot, guarantee security purpose.
That the explosion-proof rubber seal of pressure cooker of the present utility model has is reasonable in design, simple in structure, cost is low, can seal but can be explosion-proof etc. advantage.
Claims (3)
1. explosion-proof rubber seal of pressure cooker is characterized in that it is made up of sealing surface (1), bearing-surface (2), the supporting rib (3) of sealing ring, and the sealing surface of sealing ring connects the bearing-surface of sealing ring by supporting rib.
2. as the explosion-proof rubber seal of the described pressure cooker of claim l, its cross section of sealing surface that it is characterized in that described sealing ring can be Y type, U type,
The type different shape.
3. the explosion-proof rubber seal of pressure cooker as claimed in claim 1, it is characterized in that its cross section of described supporting rib can be rectangle, cabochon,
The type different shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97217531 CN2320154Y (en) | 1997-05-09 | 1997-05-09 | Explosion-proof rubber locking ring for pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97217531 CN2320154Y (en) | 1997-05-09 | 1997-05-09 | Explosion-proof rubber locking ring for pressure cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2320154Y true CN2320154Y (en) | 1999-05-26 |
Family
ID=33934069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97217531 Expired - Fee Related CN2320154Y (en) | 1997-05-09 | 1997-05-09 | Explosion-proof rubber locking ring for pressure cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2320154Y (en) |
-
1997
- 1997-05-09 CN CN 97217531 patent/CN2320154Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |