CN2783895Y - Automatic electric pressure cooker - Google Patents
Automatic electric pressure cooker Download PDFInfo
- Publication number
- CN2783895Y CN2783895Y CN 200520056351 CN200520056351U CN2783895Y CN 2783895 Y CN2783895 Y CN 2783895Y CN 200520056351 CN200520056351 CN 200520056351 CN 200520056351 U CN200520056351 U CN 200520056351U CN 2783895 Y CN2783895 Y CN 2783895Y
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- cylinder
- pressure release
- pressure
- cavity
- cooker
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Abstract
The utility model discloses an automatic electric pressure cooker. A sealing cavity and an electric heater are arranged in a cooker body, wherein the sealing cavity is composed of a cooker liner, a cooker cover and a cooker cover sealing ring; the electric heater can heat the cooker liner; the cooker cover is provided with an air cylinder which is communicated with the sealing cavity; an air cylinder bunting rod which moves under the action of air pressure is arranged in the air cylinder and is provided with a pressure relieving through cavity which is communicated with the sealing cavity; an inlet at the lower end of the pressure relieving through cavity is provided with a pressure relieving plugging block, and an outlet at the upper end of the pressure relieving through cavity is fixedly provided with a pressure relieving screw nut; a restoring spring is arranged in the pressure relieving through cavity between the pressure relieving screw nut and the pressure relieving plugging block, and the pressure relieving screw nut is connected with the restoring spring; the pressure relieving screw nut is also provided with an air exhausting passage which is communicated with the pressure relieving through cavity; the cooker body is provided with an air exhausting opening which is matched with the air exhausting passage; the part of the cooker body, which is outside the sealing cavity, is also provided with a switch device which can be controlled by the air cylinder bunting rod to switch on or switch off the electric heater. Consequently, the utility model has the advantages of adjustable pressure, accurate pressure control, safety and good sealing performance.
Description
Technical field
The utility model relates to a kind of auto-electronic pressure cooker.
Background technology
At present, electric pressure cooking saucepan is easy to use with it, fast and deeply be subjected to consumer's welcome, and the safety issue of electric pressure cooking saucepan is not extensively benefited from person's concern yet, the security of pressure cooker mainly is present in the control to pressure in the heating process, in the most existing electric pressure cooking saucepan, its pressure control device structure such as China Patent No.: ZL01256193.2, title " pressure controller of electric pressure cooker ", it comprises by interior pot, pressure cooker cover, the annular seal space that sealing ring is formed, pressure limiting valve and can be internally the electric heater of pot heating, pot cover is provided with the cylinder that is communicated with annular seal space, piston is housed in the cylinder, the upper cover of piston rod at its rear portion has spring, but is provided with a passive movement ejecting rod of cylinder 7 control and the switch opening or turn-off on the pot body, thereby constitutes a pressure control device.
1), because each self-separation setting of pressure limiting valve and pressure control device there is following shortcoming in the electric pressure cooking saucepan of said structure:, not only increased the operation and the difficulty of processing, brought certain trouble, more had plenty of to installation, pressure limiting valve increases its manufacturing cost as independent accessory; 2) and existing pressure limiting valve comprises by the valve seat that has steam vent, is sleeved on the spool on the valve seat, the jump ring of shoulder in being located at, be connected in the knob on its top, be located at the spring between pressure limiting valve and knob, be fitted in top on the valve seat, be installed in the counterweight pad on the spool, also hang with a plurality of parts such as several groups of weights on the spool, its volume is big, and complex structure.
The utility model content
The purpose of this utility model is to solve above-mentioned shortcoming, and provide a kind of adjustable in pressure, pressure control accurately, the electric pressure cooking saucepan of safety and good airproof performance.
The purpose of this utility model is achieved in that auto-electronic pressure cooker, in the pot body, be provided with by the pot courage, pot cover, the annular seal space that the pot cover sealing ring is formed, and can be to the electric heater of pot courage heating, the cylinder that is communicated with annular seal space is housed on the described pot cover, be provided with the ejecting rod of cylinder that is subjected to the gas pressure motion in the cylinder, described ejecting rod of cylinder is provided with the pressure release cavity that is communicated with annular seal space, the following end entrance of pressure release cavity is provided with the pressure release sprue, its upper end outlet is fixed with the pressure release nut, being provided with back-moving spring in the pressure release cavity between pressure release nut and the pressure release sprue is connected, also be provided with the exhaust passage that is communicated with the pressure release cavity on the described pressure release nut, the pot body is provided with the exhaust outlet that cooperates with the exhaust passage, also is provided with on the outer pot body of described annular seal space can be controlled by ejecting rod of cylinder and open or turn-off the switching device of electric heater.
The following end entrance both sides of described pressure release cavity are stair-stepping cushion caps, and the following end entrance of the shape of pressure release sprue and described pressure release cavity is suitable and seal described inlet.
Described pressure release sprue is stepped, and its top bearing is at the both sides cushion cap of pressure release cavity inlet, and the lower end sleeve is gone into described inlet and extended outside the pressure release cavity.
Described cylinder is provided with the cylinder chamber with the annular seal space conducting, and cylinder is provided with ejecting rod of cylinder in the chamber, is with the sealing ring that contacts with the cylinder cavity wall on the ejecting rod of cylinder.
Described cylinder constitutes by being set on the cylinder body on the pot cover through hole and the cylinder nut on top thereof, cylinder body by cylinder nut clamping on pot cover.
The diameter of the bottom air inlet of described cylinder body is less than the diameter of its ejecting rod of cylinder.
The beneficial effects of the utility model are: 1), since ejecting rod of cylinder be provided with the pressure release cavity that is communicated with annular seal space, and the following end entrance of pressure release cavity is provided with the pressure release sprue, its upper end outlet is fixed with the pressure release nut, being provided with back-moving spring in the pressure release cavity between pressure release nut and the pressure release sprue is connected, thereby constitute a pressure limiting device, its volume is little, and simple in structure; 2) and also be provided with on the outer pot body of annular seal space and can be controlled by ejecting rod of cylinder and open or turn-off the switching device of electric heater, thereby pressure limiting and pressure control device are combined, thereby it is in pressure control, can play the effect of pressure limiting, it is installed easily, simple in structure, and reduced its manufacturing cost.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a local enlarged diagram of the present utility model;
The specific embodiment
As depicted in figs. 1 and 2, auto-electronic pressure cooker, in the pot body, be provided with by pot courage 1, pot cover 2, the annular seal space 4 that pot cover 2 sealing rings 3 are formed, and can be to the electric heater 5 of pot courage 1 heating, the cylinder 6 that is communicated with annular seal space 4 is housed on the described pot cover 2, be provided with the ejecting rod of cylinder 7 that is subjected to the gas pressure motion in the cylinder 6, described ejecting rod of cylinder 7 is provided with the pressure release cavity 71 that is communicated with annular seal space 4, the following end entrance of pressure release cavity 71 is provided with pressure release sprue 72, its upper end outlet is fixed with pressure release nut 73, being provided with back-moving spring 74 in the pressure release cavity 71 between pressure release nut 73 and the pressure release sprue 72 is connected, also be provided with the exhaust passage 75 that is communicated with pressure release cavity 71 on the described pressure release nut 73, the pot body is provided with the exhaust outlet that cooperates with exhaust passage 75, also is provided with on the outer pot body of described annular seal space 4 can be controlled by ejecting rod of cylinder 7 and open or turn-off the switching device of electric heater 5.The following end entrance both sides of pressure release cavity 71 are stair-stepping cushion caps 76, and the following end entrance of the shape of pressure release sprue 72 and described pressure release cavity 71 is suitable and seal described inlet.Described pressure release sprue 72 is stepped, and its top bearing is at the cushion cap 76 of pressure release cavity 71 inlets, and the lower end sleeve is gone into described inlet and extended outside the pressure release cavity 71.Cylinder 6 is provided with the cylinder chamber 61 with the annular seal space conducting, be provided with ejecting rod of cylinder 7 in the cylinder chamber 61, be with the sealing ring 8 that contacts with cylinder chamber 61 inwalls on the ejecting rod of cylinder 7, and cylinder 6 constitutes by being set on the cylinder body 62 on pot cover 2 through holes and the cylinder nut 63 on top thereof, on pot cover 2, the diameter of the bottom air inlet 64 of cylinder body 62 is less than the diameter of its ejecting rod of cylinder 7 by cylinder nut 63 clampings for cylinder body 62.And above-mentioned switching device is made up of microswitch 13 and pushing mechanism thereof, pushing mechanism is that a lever 9 is set on the pot body, one end of lever 9 stretches to ejecting rod of cylinder 7 tops, the other end is over against the top of a catch bar 10, described catch bar 10 sleeves are gone in the guiding cavity 11 of pot body, be with adjusting nut 101 and back-moving spring 102 respectively on the catch bar 10 in the guiding cavity 11, the lower end of catch bar 10 stretches out the bottom of guiding cavity 11 and over against the microswitch of being located on pot body 13, described microswitch 8 is electrically connected with electric heater 5.Described lever 9 is provided with fulcrum, and is installed in by turning cylinder 91 on the cover of pot body.Guiding cavity 11 is located in the cover of pot body, and the bottom of putting at guiding cavity 11 is pressed in back-moving spring 102 lower ends on the catch bar 10, and the upper end overhead is in the bottom of adjusting nut 101.The top of guiding cavity 11 is provided with the guide securement plate 110 of catch bar 10, is provided with the sealing film 12 of waterproof between the bottom of microswitch 8 and catch bar 10, and described sealing film 12 is fixed on the middle ring 13 of pot body.
Operation principle: electric heater 5 begins heating when electric pressure cooking saucepan is switched on, temperature raises in the annular seal space 4, and pressure increases, and gas pressure is on ejecting rod of cylinder 6, ejecting rod of cylinder 7 moves upward, and the elastic force that makes catch bar 10 overcome back-moving spring 102 by lever 9 moves downward.The air pressure in the stroke that ejecting rod of cylinder 7 moves upward and the annular seal space and the elastic force of back-moving spring 102 are relevant, when air pressure increases to operating pressure, ejecting rod of cylinder 7 rises to certain stroke, catch bar 10 also moves downward certain stroke, microswitch 13 is disconnected, heat-generating disc 5 stops heating, and the air pressure in the annular seal space still continues to increase, when the pressure in the annular seal space 4 during greater than the normal pressure of back-moving spring 74, thereby losing heart in that pressure release sprue 72 on the cylinder push rod 7 is up pushed open, it is external to take the dish out of the pot, make the pressure in the annular seal space 4 keep normal, from reaching the effect of pressure control and pressure limiting.
Claims (6)
1. auto-electronic pressure cooker, in the pot body, be provided with by pot courage (1), pot cover (2), the annular seal space (4) that pot cover (2) sealing ring (3) is formed, and can be to the electric heater (5) of pot courage (1) heating, the cylinder (6) that is communicated with annular seal space (4) is housed on the described pot cover (2), be provided with the ejecting rod of cylinder (7) that is subjected to the gas pressure motion in the cylinder (6), it is characterized in that, described ejecting rod of cylinder (7) is provided with the pressure release cavity (71) that is communicated with annular seal space (4), the following end entrance of pressure release cavity (71) is provided with pressure release sprue (72), its upper end outlet is fixed with pressure release nut (73), being provided with back-moving spring (74) in the pressure release cavity (71) between pressure release nut (73) and the pressure release sprue (72) is connected, also be provided with the exhaust passage (75) that is communicated with pressure release cavity (71) on the described pressure release nut (73), the pot body is provided with the exhaust outlet that cooperates with exhaust passage (75), also is provided with on the pot body outside the described annular seal space (4) to be opened or to turn-off the switching device of electric heater (5) by ejecting rod of cylinder (7) control.
2. according to the described auto-electronic pressure cooker of claim 1, it is characterized in that, the following end entrance both sides of described pressure release cavity (71) are stair-stepping cushion cap (76), and the following end entrance of the shape of pressure release sprue (72) and described pressure release cavity (71) is suitable and seal described inlet.
3. according to the described auto-electronic pressure cooker of claim 2, it is characterized in that described pressure release sprue (72) is stepped, its top bearing is at the cushion cap (76) of pressure release cavity (71) inlet, and the lower end sleeve is gone into described inlet and extended outside the pressure release cavity (71).
4. according to the described auto-electronic pressure cooker of claim 1, it is characterized in that, described cylinder (6) is provided with the cylinder chamber (61) with the annular seal space conducting, is provided with ejecting rod of cylinder (7) in cylinder chamber (61), is with the sealing ring (8) that contacts with cylinder chamber (61) inwall on the ejecting rod of cylinder (7).
5. according to the described auto-electronic pressure cooker of claim 1, it is characterized in that described cylinder (6) is made of the cylinder nut (63) that is set on cylinder body (62) on pot cover (2) through hole and top thereof, cylinder body (62) by cylinder nut (63) clamping on pot cover (2).
6. according to the described auto-electronic pressure cooker of claim 5, it is characterized in that the diameter of the bottom air inlet (64) of described cylinder body (62) is less than the diameter of its ejecting rod of cylinder (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520056351 CN2783895Y (en) | 2005-04-04 | 2005-04-04 | Automatic electric pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520056351 CN2783895Y (en) | 2005-04-04 | 2005-04-04 | Automatic electric pressure cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2783895Y true CN2783895Y (en) | 2006-05-31 |
Family
ID=36770880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520056351 Expired - Fee Related CN2783895Y (en) | 2005-04-04 | 2005-04-04 | Automatic electric pressure cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2783895Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947056A (en) * | 2010-08-19 | 2011-01-19 | 杨琼 | Electric pressure cooker capable of realizing safe pressure relief |
| CN109276126A (en) * | 2018-10-25 | 2019-01-29 | 浙江爱仕达生活电器有限公司 | A kind of electric pressure cooking saucepan folding lid testing agency |
-
2005
- 2005-04-04 CN CN 200520056351 patent/CN2783895Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947056A (en) * | 2010-08-19 | 2011-01-19 | 杨琼 | Electric pressure cooker capable of realizing safe pressure relief |
| CN101947056B (en) * | 2010-08-19 | 2012-07-04 | 杨琼 | Electric pressure cooker capable of realizing safe pressure relief |
| CN109276126A (en) * | 2018-10-25 | 2019-01-29 | 浙江爱仕达生活电器有限公司 | A kind of electric pressure cooking saucepan folding lid testing agency |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060531 Termination date: 20100404 |