CN2265143Y - Safety device for pressure cooker - Google Patents
Safety device for pressure cooker Download PDFInfo
- Publication number
- CN2265143Y CN2265143Y CN 96217526 CN96217526U CN2265143Y CN 2265143 Y CN2265143 Y CN 2265143Y CN 96217526 CN96217526 CN 96217526 CN 96217526 U CN96217526 U CN 96217526U CN 2265143 Y CN2265143 Y CN 2265143Y
- Authority
- CN
- China
- Prior art keywords
- pressure cooker
- eccentric wheel
- safeties
- valve rod
- thrust valve
- 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 relates to a safety device for a pressure cooker, particularly the technical field of a self-locking mechanism for safely using a pressure cooker. The utility model is characterized in that an eccentric wheel self-locking mechanism is arranged on an upper handle of a pressure cooker; the mechanism is provided with a push plate (10) in a sliding slot of the upper handle, and the push plate (10) can be connected with a top plate (6) in a shaft hole mode. Meanwhile, an eccentric wheel (9) is fixed on the upper handle (11) through a shaft pin (7) and is connected with the top plate (6) through a connecting component (13), and a torsion spring (8) is arranged between the eccentric wheel (9) and the shaft pin (7); a pressure cooker cover is provided with an advanced anti-thrust valve seat, and an anti-thrust valve rod (3) which can move up and down is arranged in the valve seat. The utility model has the advantages of novel and compact design, self locking, air leakage, pressure reduction, explosion protection, low cost, good reliability and convenient use.
Description
The utility model is that pressure cooker uses safeties, the self-locking mechanism technical field of security insurance when relating in particular to the pressure cooker switching.
When the improper use, occur dangerously for fear of pressure cooker, a collection of patented technology occurred as explosion phenomenon.As the patent No. is that 94206278.7 Chinese patent pressure cooker uses safeties, a kind of safe self-locking mechanism that opens and closes is provided, when its shortcoming is used, need upper and lower handle to cooperate, fragile, or block can not locking phenomenon, structure is relative complex also, as the Chinese patent pressure cooker open and close cover safety control of patent 93230335.8, its shortcoming is a complex structure, the pressure limiting function of not losing heart.
The utility model purpose is to provide a kind of eccentric wheel type to have the self-locking good reliability, and has the pressure cooker of the pressure limiting function of further losing heart to use safeties.
Pressure cooker of the present utility model uses the technical scheme of safeties to be achieved in that it comprises push pedal, spring, thrust valve rod, upper and lower handle, pot cover, has an eccentric wheel self-locking mechanism to be contained in the pressure cooker upper handle in safeties.
Described eccentric wheel self-locking mechanism is that a push pedal is arranged in the upper handle chute, this push pedal can connect a top board by the axis hole mode, an eccentric wheel is fixed in upper handle by pivot pin simultaneously, and be provided with advanced thrust valve seat by installation one torque spring, pressure cooker cover between a connection piece connection top board, eccentric wheel and the pivot pin, a thrust valve rod moving up and down is arranged in the valve seat.
Appropriate location has a sealing ring in the described thrust valve rod, is the boundary with the sealing ring, and its upper end has a disappointing duct, and its lower end has outgassing groove.
Description of drawings:
Fig. 1: this pressure cooker uses the structure principle chart of safeties;
Fig. 2: this pressure cooker uses the partial sectional view of overlooking of safeties;
Fig. 3: this pressure cooker uses the thrust valve rod fundamental diagram of safeties.
Use the embodiment of safeties to be further described below in conjunction with description of drawings to pressure cooker of the present utility model.
Shown in Fig. 1～3, pressure cooker of the present utility model uses safeties to adopt an eccentric wheel self-locking mechanism in upper handle, this inclined to one side main wheel (9) is fixed in upper handle (11) by pivot pin (7), can about suitably rotate, be connected a top board (6) in the upper handle (11) by a connection piece (13) again, push pedal (10) connects a top board (6) by the axis hole mode, one torque spring (8) is installed between eccentric wheel (9) and the pivot pin (7), and pot cover (1) has one can go up in upper handle (11) appropriate location, the thrust valve rod (3) of following lifting and corresponding valve seat (2), in thrust valve rod (3) middle part locating slot (15), a sealing ring is housed, duct (4) is let out on its top one, be main aperture road, center, in around open the reasonable quantity aperture.Its underpart has outgassing groove (14).When pressure cooker closes when covering, pot cover (1) beginning is rotated along the pot tooth, be that eccentric wheel (9) convex surface is withstood by the pot serratd edge, eccentric wheel (9) contact position is changeed backward, eccentric wheel (9) upper connector (13) drive top board (6) and push pedal (10) move forward seals thrust valve rod (3), make thrust valve rod (3) be in opening, as Fig. 3 a, pressure cooker heating this moment, thrust valve rod (3) will lose heart, so can not go up pressure, reach to close and cover security requirement, have only to upper handle (11), when lower handle (12) overlaps, eccentric wheel (9) enters a pot tooth recess, see Fig. 2, move after drive top board (6) and the push pedal (10) thrust valve rod (3) is opened, pot cover this moment (1) is pinned by eccentric wheel (9) with the pot body, this moment is when having proper pressure in the pot, thrust valve rod (3) is by air pressure jack-up, and sealing voluntarily, as Fig. 3 b, when the pot internal gas pressure still when 5KPa is above, thrust valve rod (3) blocks top board (6), and push pedal (10) just pushes away to get on, and the eccentric wheel self-locking device just can not be opened, reach the requirement of uncapping property of safety, reduce to 5KPa when following when the pot internal gas pressure, thrust valve rod this moment (3) drops to opening automatically by the deadweight effect, but this moment, pot still can not be opened, must up push away push pedal (10), on top board (6), move and seal the thrust valve rod and see that Fig. 3 a and eccentric wheel (9) produce recess, just can open pot cover (1), reach the safety opening-closing cover requirement.
When pressure cooker operating valve and safety valve are malfunctioning, when pot inner pressure surpasses 200KPa, sealing ring (5) is ejected locating slot (15) by air pressure, thrust valve rod outgassing groove this moment (14) is interlinked to the outside with pot cover (1) and sees Fig. 3 c, reach quick exhaust step-down, guaranteed safe handling, to sealing ring (5) simultaneously after eliminating fault, as long as move in the locating slot (15) promptly reusable.
The utility model safety device for pressure cooker has modern design, and compact conformation can be realized closing lid Self-locking has again the overpressure protection buck functionality, can effectively prevent the pressure cooker blast, reaches simultaneously low cost of manufacture, can Good by property, the advantage such as easy to use.
Claims (4)
1. a pressure cooker uses safeties, comprises push pedal (10), spring (8), thrust valve rod (3), upper and lower handle (11,12), pot cover (1), it is characterized in that having in safeties an eccentric wheel self-locking mechanism to be contained in the pressure cooker upper handle (11).
2. pressure cooker uses safeties according to claim 1, it is characterized in that described eccentric wheel self-locking mechanism is in upper handle (11) chute push pedal (10) to be arranged, this push pedal (10) can connect a top board (6) by the axis hole mode, an eccentric wheel (9) is fixed in upper handle (11) and connects top board (6) by a connection piece (13) by pivot pin (7) simultaneously, one torque spring (8) is installed between eccentric wheel (9) and the pivot pin (7), pressure cooker cover (1) is provided with advanced thrust valve seat (2), and a thrust valve rod moving up and down (3) is arranged in the valve seat.
3. pressure cooker as claimed in claim 2 uses safeties, it is characterized in that the appropriate location of described thrust valve rod (3) has a sealing ring locating slot and sealing ring (5).
4. pressure cooker as claimed in claim 3 uses safeties, it is characterized in that described thrust valve rod is the boundary in sealing ring, and its upper end has a disappointing duct (4), and its lower end has outgassing groove (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96217526 CN2265143Y (en) | 1996-07-23 | 1996-07-23 | Safety device for pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96217526 CN2265143Y (en) | 1996-07-23 | 1996-07-23 | Safety device for pressure cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2265143Y true CN2265143Y (en) | 1997-10-22 |
Family
ID=33898642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96217526 Expired - Fee Related CN2265143Y (en) | 1996-07-23 | 1996-07-23 | Safety device for pressure cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2265143Y (en) |
-
1996
- 1996-07-23 CN CN 96217526 patent/CN2265143Y/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 |