CN202801196U - Pressure-adjustable pressure container pressure-limiting valve - Google Patents
Pressure-adjustable pressure container pressure-limiting valve Download PDFInfo
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- CN202801196U CN202801196U CN 201220378943 CN201220378943U CN202801196U CN 202801196 U CN202801196 U CN 202801196U CN 201220378943 CN201220378943 CN 201220378943 CN 201220378943 U CN201220378943 U CN 201220378943U CN 202801196 U CN202801196 U CN 202801196U
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- pressure
- valve
- limiting assembly
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- low pressure
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Abstract
The utility model belongs to the technical field of hardware manufacture of household appliances and particularly relates to a pressure-adjustable pressure container pressure-limiting valve which comprises a casing, an ejector pin and a bottom wrapping piece which are arranged in a valve seat arranged on an upper cover of a pressure container. An exhaust hole is arranged on the upper end face of the casing, the lower end of the casing is of an opening structure, a high pressure limiting assembly and a low pressure limiting assembly are arranged in the casing, the low pressure limiting assembly is arranged in the high pressure limiting assembly in vertical lifting mode, the high pressure limiting assembly is fixed in the casing through the bottom wrapping piece, the ejector pin is arranged above the low pressure limiting assembly, a through hole is arranged outside the ejector pin above the low pressure limiting assembly, a cavity communicating the exhaust hole and the through hole is further arranged at the top in the casing, and a step with a high gear, a middle gear and a low gear and matched with a flange on the inner wall of the valve seat is arranged on the lower end portion of the casing. The pressure-limiting valve with the structure enables a valve body to have two functions of high pressure and low pressure which can be converted randomly to adapt to different cooking conditions.
Description
Technical field
The utility model belongs to household electrical appliance hardware manufacturing technology field, is specifically related to the pressure limiting valve of a kind of pressure adjustable type pressure vessel (such as electric pressure cooking saucepan, general pressure cooker, micro-pressure electric rice cooker etc.).
Background technology
Pressure vessel in the market such as the pressure limiting valve of electric pressure cooking saucepan, all is common pressure limiting valve mostly, can only control a kind of pressure control.The pressure limiting valve that can carry out the high-low pressure conversion is also arranged now, and its internal structure is designed with magnetic material, but magnetic material uses under high-temperature condition for a long time, causes easily magnetic to weaken, and the dirt on surface also may make magnetic reduce, thereby is difficult to guarantee the constant of pressure.
The utility model content
The purpose of this utility model is to provide a kind of and is realized the pressure adjustable type pressure vessel pressure limiting valve of pressure control making valve body possess simultaneously high pressure and two kinds of functions of low pressure by gravity and frame for movement, and high-low pressure can arbitrarily change, to be applicable to different culinary art conditions.
The purpose of this utility model is achieved in that a kind of pressure adjustable type pressure vessel pressure limiting valve, comprise the shell (1) of being located in the valve seat that covers on the pressure vessel, thimble (2) and bag egative film (3), the upper surface of shell (1) offers steam vent (10), the lower end is hatch frame, be provided with high pressure pressure limiting assembly (4) and low pressure pressure limiting assembly (5) in the described shell (1), described low pressure pressure limiting assembly (5) but oscilaltion be located in the high pressure pressure limiting assembly (4), high pressure pressure limiting assembly (4) is fixed in the shell (1) by bag egative film (3), described thimble (2) is located at the top of low pressure pressure limiting assembly (5), the outside that low pressure pressure limiting assembly (5) top is positioned at thimble (2) offers through hole (50), the inner top of described shell (1) also offers the cavity (11) that is communicated with steam vent (10) and through hole (50), the bottom offers has height, in, low three gears and the step (12) that is connected with flange on the valve base inner wall, when the flange of valve base inner wall is positioned at step (12) low-grade location of shell (1), thimble (2) be located at the exhaust plug (9) that covers on the pressure vessel and be in released state, be the exhaust shelves; When the flange of valve base inner wall is arranged in step (12) gear of shell (1), thimble (2) be located at the exhaust plug (9) that covers on the pressure vessel and be in the low level that the state of being sealed and matched and low pressure pressure limiting assembly (5) are positioned at high pressure pressure limiting assembly (4), be the low pressure exhaust shelves; When the flange of valve base inner wall is positioned at step (12) high tap position of shell (1), thimble (2) be located at the exhaust plug (9) that covers on the pressure vessel and be in the high position that the state of being sealed and matched and low pressure pressure limiting assembly (5) are positioned at high pressure pressure limiting assembly (4), be the high pressure gas shelves.
Described low pressure pressure limiting assembly (5) comprises low pressure valve housing (51), low pressure valve balancing weight (52), low pressure valve inner sleeve (53) and low pressure valve balancing weight (52), low pressure valve inner sleeve (53) is fixed on low pressure valve pad (54) in the low pressure valve housing (51), be provided with the jump ring (55) of clamping exhaust plug (9) head in low pressure valve pad (54), thimble (2) is located at the inner top center of low pressure valve housing (51).
Described high pressure pressure limiting assembly (4) comprises high pressure valve balancing weight (40), the high pressure valve inner sleeve (41) of being located in the shell (1), low pressure valve housing (51) but oscilaltion be installed in the high pressure valve inner sleeve (41).
Described bag egative film (3) is weldingly fixed on the bottom of shell (1).
Described thimble (2) comprises thimble connector (20) and the silica gel sealing cover (21) at the inner top center that is fixed on low pressure valve housing (51).
The inner top of described shell (1) is provided with places restrictions on the muscle position (13) that low pressure pressure limiting assembly (5) enters cavity (11).
Good effect of the present utility model: because pressure adjustable type pressure vessel pressure limiting valve has low pressure pressure limiting assembly and high pressure pressure limiting assembly, be provided with the third gear step that pressure switches at shell, thereby can in exhaust, high pressure pressure limiting, three kinds of states of low pressure pressure limiting, freely switch easily, thereby realize relying on the variation of gravity to carry out two kinds of pressure pressure controls, to adapt to different culinary art conditions.
Description of drawings
Fig. 1 is the utility model pressure adjustable type pressure vessel pressure limiting valve stereogram;
Fig. 2 is the utility model pressure adjustable type pressure vessel pressure limiting valve cutaway view;
Fig. 3 is high pressure pressure limiting modular construction exploded view;
Fig. 4 is low pressure pressure limiting modular construction exploded view;
Fig. 5 is the pressure adjustable type pressure vessel pressure limiting valve cutaway view of high pressure limit pressure condition;
Fig. 6 is the pressure adjustable type pressure vessel pressure limiting valve cutaway view of low voltage limit pressure condition;
Fig. 7 is the pressure adjustable type pressure vessel pressure limiting valve cutaway view of exhaust condition;
Fig. 8 is that shell is looked up state stereogram.
The specific embodiment
Below in conjunction with accompanying drawing the pressure adjustable type pressure vessel pressure limiting valve specific embodiment described in the utility model is described in further detail.
Shown in Fig. 1-8, pressure adjustable type pressure vessel pressure limiting valve described in the utility model, comprise shell 1, thimble 2 and the bag egative film 3 be located in the valve seat (not shown) that covers on the pressure vessel, the upper surface of shell 1 offers steam vent 10, and the lower end is hatch frame.Be provided with high pressure pressure limiting assembly 4 and low pressure pressure limiting assembly 5 in the shell 1, but be located in the high pressure pressure limiting assembly 4 to 5 oscilaltions of low pressure pressure limiting assembly, high pressure pressure limiting assembly 4 is fixed in the shell 1 by bag egative film 3, thimble 2 is located at the top of low pressure pressure limiting assembly 5, the outside that low pressure pressure limiting assembly 5 tops are positioned at thimble 2 offers through hole 50, and the inner top of shell 1 also offers the cavity 11 that is communicated with steam vent 10 and through hole 50 and places restrictions on the muscle position 13 that low pressure pressure limiting assembly 5 enters cavity 11.High pressure pressure limiting assembly 4 bottoms offer has high, medium and low three gears and (not shown with the flange on the valve base inner wall, superstructure and existing pressure vessel, as the pressure cooker superstructure with exhaust and one grade of pressure limit is identical, be prior art) step 12 that is connected, when the flange of valve base inner wall is positioned at step 12 low-grade location 120 of shell 1, thimble 2 be located at the exhaust plug 9 that covers on the pressure vessel and be in released state, be exhaust shelves (seeing Fig. 7); When the flange of valve base inner wall is arranged in step 12 gear 121 of shell 1, thimble 2 be located at the exhaust plug 9 that covers on the pressure vessel and be in the low level that the state of being sealed and matched and low pressure pressure limiting assembly 5 are positioned at high pressure pressure limiting assembly 4, only have the gravity of low pressure pressure limiting assembly 5 to play pressure limit this moment, is low pressure exhaust shelves (seeing Fig. 6); When the flange of valve base inner wall is positioned at step 12 high tap position 122 of shell 1, thimble 2 be located at the exhaust plug 9 that covers on the pressure vessel and be in the high position that the state of being sealed and matched and low pressure pressure limiting assembly 5 are positioned at high pressure pressure limiting assembly 4, the gravity of shell 1, high pressure pressure limiting assembly 4, low pressure pressure limiting assembly 5 all plays the pressure limit effect at this moment, is high pressure gas shelves (seeing Fig. 5).Low pressure pressure limiting assembly 5 mainly is comprised of low pressure valve housing 51, low pressure valve balancing weight 52, low pressure valve inner sleeve 53 and low pressure valve pads 54 that low pressure valve balancing weight 52, low pressure valve inner sleeve 53 are fixed in the low pressure valve housing 51, be provided with the jump ring 55 of clamping exhaust plug 9 heads in low pressure valve pad 54, thimble 2 is located at the inner top center of low pressure valve housing 51.High pressure pressure limiting assembly 4 comprises high pressure valve balancing weight 40, the high pressure valve inner sleeve 41 of being located in the shell 1, but 51 oscilaltions of low pressure valve housing be installed in the high pressure valve inner sleeve 41.Bag egative film 3 is weldingly fixed on the bottom of shell 1, usually adopts ultrasonic bonding.In order to improve sealing property, thimble 2 is comprised of thimble connector 20 and the silica gel sealing cover 21 at the inner top center that is fixed on low pressure valve housing 51.
Claims (6)
1. pressure adjustable type pressure vessel pressure limiting valve, comprise the shell (1) of being located in the valve seat that covers on the pressure vessel, thimble (2) and bag egative film (3), the upper surface of shell (1) offers steam vent (10), the lower end is hatch frame, it is characterized in that: be provided with high pressure pressure limiting assembly (4) and low pressure pressure limiting assembly (5) in the described shell (1), described low pressure pressure limiting assembly (5) but oscilaltion be located in the high pressure pressure limiting assembly (4), high pressure pressure limiting assembly (4) is fixed in the shell (1) by bag egative film (3), described thimble (2) is located at the top of low pressure pressure limiting assembly (5), the outside that low pressure pressure limiting assembly (5) top is positioned at thimble (2) offers through hole (50), the inner top of described shell (1) also offers the cavity (11) that is communicated with steam vent (10) and through hole (50), the bottom offers has height, in, low three gears and the step (12) that is connected with flange on the valve base inner wall, when the flange of valve base inner wall is positioned at step (12) low-grade location of shell (1), thimble (2) be located at the exhaust plug (9) that covers on the pressure vessel and be in released state, be the exhaust shelves; When the flange of valve base inner wall is arranged in step (12) gear of shell (1), thimble (2) be located at the exhaust plug (9) that covers on the pressure vessel and be in the low level that the state of being sealed and matched and low pressure pressure limiting assembly (5) are positioned at high pressure pressure limiting assembly (4), be the low pressure exhaust shelves; When the flange of valve base inner wall is positioned at step (12) high tap position of shell (1), thimble (2) be located at the exhaust plug (9) that covers on the pressure vessel and be in the high position that the state of being sealed and matched and low pressure pressure limiting assembly (5) are positioned at high pressure pressure limiting assembly (4), be the high pressure gas shelves.
2. described pressure adjustable type pressure vessel pressure limiting valve according to claim 1, it is characterized in that: described low pressure pressure limiting assembly (5) comprises low pressure valve housing (51), low pressure valve balancing weight (52), low pressure valve inner sleeve (53) and with low pressure valve balancing weight (52), low pressure valve inner sleeve (53) is fixed on the low pressure valve pad (54) in the low pressure valve housing (51), be provided with the jump ring (55) of clamping exhaust plug (9) head in low pressure valve pad (54), thimble (2) is located at the inner top center of low pressure valve housing (51).
3. described pressure adjustable type pressure vessel pressure limiting valve according to claim 1 and 2, it is characterized in that: described high pressure pressure limiting assembly (4) comprises high pressure valve balancing weight (40), the high pressure valve inner sleeve (41) of being located in the shell (1), low pressure valve housing (51) but oscilaltion be installed in the high pressure valve inner sleeve (41).
4. described pressure adjustable type pressure vessel pressure limiting valve according to claim 1, it is characterized in that: described bag egative film (3) is weldingly fixed on the bottom of shell (1).
5. described pressure adjustable type pressure vessel pressure limiting valve according to claim 2, it is characterized in that: described thimble (2) comprises thimble connector (20) and the silica gel sealing cover (21) at the inner top center that is fixed on low pressure valve housing (51).
6. described pressure adjustable type pressure vessel pressure limiting valve according to claim 1, it is characterized in that: the inner top of described shell (1) is provided with places restrictions on the muscle position (13) that low pressure pressure limiting assembly (5) enters cavity (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220378943 CN202801196U (en) | 2012-07-30 | 2012-07-30 | Pressure-adjustable pressure container pressure-limiting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220378943 CN202801196U (en) | 2012-07-30 | 2012-07-30 | Pressure-adjustable pressure container pressure-limiting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202801196U true CN202801196U (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220378943 Expired - Fee Related CN202801196U (en) | 2012-07-30 | 2012-07-30 | Pressure-adjustable pressure container pressure-limiting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202801196U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105231814A (en) * | 2015-11-03 | 2016-01-13 | 珠海双喜电器股份有限公司 | Multi-position adjustable pressure pressure-limiting valve |
| WO2018223446A1 (en) * | 2017-06-08 | 2018-12-13 | 佛山市顺德区美的电热电器制造有限公司 | Cooker cover and electric pressure cooker |
-
2012
- 2012-07-30 CN CN 201220378943 patent/CN202801196U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105231814A (en) * | 2015-11-03 | 2016-01-13 | 珠海双喜电器股份有限公司 | Multi-position adjustable pressure pressure-limiting valve |
| CN105231814B (en) * | 2015-11-03 | 2018-06-26 | 珠海双喜电器股份有限公司 | A kind of multi-gear adjustable presses pressure limiting valve |
| WO2018223446A1 (en) * | 2017-06-08 | 2018-12-13 | 佛山市顺德区美的电热电器制造有限公司 | Cooker cover and electric pressure cooker |
| CN109008597A (en) * | 2017-06-08 | 2018-12-18 | 佛山市顺德区美的电热电器制造有限公司 | Pot cover and electric pressure cooking saucepan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20140730 |
|
| EXPY | Termination of patent right or utility model |