CN201001622Y - Magnetic pressure-limiting valve for electric pressure cooker - Google Patents
Magnetic pressure-limiting valve for electric pressure cooker Download PDFInfo
- Publication number
- CN201001622Y CN201001622Y CNU2006201551125U CN200620155112U CN201001622Y CN 201001622 Y CN201001622 Y CN 201001622Y CN U2006201551125 U CNU2006201551125 U CN U2006201551125U CN 200620155112 U CN200620155112 U CN 200620155112U CN 201001622 Y CN201001622 Y CN 201001622Y
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- spool
- valve
- valve seat
- pressure
- magnetic
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Abstract
The utility model discloses a magnetic pressure-limit valve for the electric pressure pot which comprises a valve base and a spool, wherein the valve base is provided with an air inlet hole; the spool moves to-and-from between the limit devices; the pressure limit valve is provided with a pressure discharging passage; the valve base is provided with a magnetic-control switch electrically connected with the control circuit is switch; the spool is provided with a magnet; the position of the magnetic-control switch is corresponding to the magnet. The utility model integrates on the valve limit valve the double-insurance effect including the pressure discharge passage and pressure control device. The simple structure simplifies the overall assembly of the pressure pot improves production efficiency and provides good-quality safety guarantee.
Description
Technical field
The utility model belongs to the electric pressure cooking saucepan technical field, is specifically related to a kind of pressure limiting valve of electric pressure cooking saucepan.
Background technology
Electric pressure cooking saucepan is greatly favored by consumers as a kind of energy-efficient product, and accurately controlling pot inner pressure is the key of safe handling pressure cooker.In recent years the pressure control structure layer that cooking such as pressure cooker, electric cooker utensil uses goes out difference.
For example, it is 03143417.7 electric cooker application for a patent for invention file that China Intellectual Property Office discloses application number, it discloses a kind of pressure control device that comprises valve seat and fuse, valve seat is fixed on the pot cover, fuse is located in the valve seat, and can oscilaltion in valve seat, a pressure probe is being fixed in the lower end of fuse, and gauge tap is positioned at the top of fuse.Fixing a magnet in the upper end of fuse, gauge tap is a tongue tube that is positioned at the magnet top.Pot cover in this application file also is provided with safety relief device, and when pressure control device was malfunctioning, the safety relief device of pot cover started, and discharged gas in the pot.
Though this structure has dual security insurance, yet pressure control device and safety relief device are two kinds of unconnected independent design, complex structure, and during assembly fee, the cost height.
In addition, also have many patents in the pot cover of electric pressure cooking saucepan, leverage to be set, the switching of control heating circuit.As utility model patent 200520056869.4, disclose a kind of auto-electronic pressure cooker, form by pot cover, pot cover retaining mechanism, sealing ring, shell, middle pot, interior pot, heat-generating disc, temperature regulating device, timing means, heating circuit and by the pressure control device that sealing pressure valve, leverage, magnet, tongue tube etc. constitute.Sealing pressure valve, leverage and magnet are installed on the pot cover, tongue tube is installed on one's body the pot, when inner pot pressure changes, the sealing pressure valve promotes leverage and drives magnet to move up and down, tongue tube is switched on or switched off, the heating circuit is realized control automatically, reaches the purpose of control pot inner pressure.
This pressure control device complex structure, the lifting precision of lever are difficult to control, and a pressure control device is only arranged in this pressure cooker, when pressure control device is malfunctioning, cause security incident easily.
The utility model content
In order to overcome above-mentioned shortcoming, it is a kind of simple in structure that the utility model provides, and has the double insurance effect, and electric pressure cooking saucepan magnetic pressure limiting valve quick for installation.
A kind of magnetic pressure limiting valve of electric pressure cooking saucepan, comprise valve seat and spool, valve seat is provided with air admission hole, come and go between the stopping means of spool in pressure limiting valve and move, wherein pressure limiting valve is provided with discharge channel, valve seat is provided with the magnetic switch that is electrically connected with control circuit, and spool is provided with magnet, magnetic switch that the position is set is corresponding with magnet.Stopping means is provided with the spool locking mechanism.
Described spool is made up of valve core housing and pull bar, and come and go between the secondary stopping means of pull bar in spool and move,
Described discharge channel is made up of valve seat air admission hole, valve core housing air admission hole, valve core housing inner chamber and valve core housing venthole,
Described stopping means is made up of convex shoulder that is arranged at the spool sidewall and the sealing plate that is placed in spool and seal valve seat, is provided with spring between the convex shoulder of spool sidewall and the sealing plate of valve seat,
Described magnet is arranged at the convex shoulder of spool sidewall.
Described secondary stopping means is made up of convex shoulder that is arranged at the pull bar shaft and the sealing plate that is placed in pull bar shaft and seal valve core retainer plate, is provided with spring between the convex shoulder of pull bar shaft and the sealing plate of valve core housing.
Described pull bar is provided with sealing ring in the end near the valve core housing air admission hole.
Described spool longitudinal section is epsilon-type structure and covers on the valve seat, and the middle montant of spool inserts in and stops up discharge channel in the valve seat,
Described valve seat is provided with venthole, and discharge channel is made up of valve seat air admission hole, valve base cavity and valve seat air admission hole,
Described stopping means is made up of the elasticity button pin of valve seat top bearing-surface, valve seat both sides pin-and-hole and spool both sides montant inner face,
Described magnet is arranged at the end of the middle montant of spool.
Be provided with sealing ring between described spool and the valve seat.
Described valve seat lower end is connected with hold-down nut, and the wall of hold-down nut is provided with air admission hole.
The utility model is integrated discharge channel and pressure control device double insurance effect on a pressure limiting valve only, simple in structure, both simplified the whole assembly process of pressure cooker, improved production efficiency, the safety guarantee of high-quality also can be provided, and the spool locking mechanism on the pressure limiting valve makes the user player move or to control automatically pressure limiting valve.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Fig. 1 is the atmospheric pressure state structure cutaway view of the utility model first embodiment;
Fig. 2 is the high pressure off-position structure cutaway view of the utility model first embodiment;
Fig. 3 is the abnormality structure cutaway view of the utility model first embodiment;
Fig. 4 is the atmospheric pressure state structure cutaway view of the utility model second embodiment;
Fig. 5 is the high pressure off-position structure cutaway view of the utility model second embodiment;
Fig. 6 is the abnormality structure cutaway view of the utility model second embodiment.
The specific embodiment
Shown in Fig. 1 to 6, the magnetic pressure limiting valve of the utility model electric pressure cooking saucepan, comprise valve seat 1 and spool 2, valve seat 1 is provided with air admission hole 11, come and go between the stopping means of spool 2 in pressure limiting valve and move, wherein pressure limiting valve is provided with discharge channel, and valve seat 2 is provided with the magnetic switch 3 that is electrically connected with control circuit, spool 2 is provided with magnet 4, magnetic switch 3 that the position is set is corresponding with magnet 4.Stopping means is provided with the spool locking mechanism.
As shown in Figures 1 to 3, be first embodiment of the present utility model, spool 2 is made up of valve core housing 21 and pull bar 22, comes and goes between the secondary stopping means of pull bar 22 in spool 2 and moves.Secondary stopping means is made up of convex shoulder 221 that is arranged at pull bar 22 shafts and the sealing plate 5 that is placed in pull bar 22 shafts and seal valve core retainer plate 21, is provided with spring 8 between the convex shoulder 221 of pull bar 22 shafts and the sealing plate 5 of valve core housing 21.Pull bar 22 is provided with sealing ring in the end near valve core housing air admission hole 211.
Discharge channel is made up of valve seat air admission hole 11, valve core housing air admission hole 211, valve core housing inner chamber 212 and valve core housing venthole 213.
Stopping means is made up of convex shoulder 23 that is arranged at spool 2 sidewalls and the sealing plate 6 that is placed in spool 2 and seal valve seat 1, is provided with spring 9 between the convex shoulder 23 of spool 2 sidewalls and the sealing plate 6 of valve seat 1, and magnet 4 is arranged at the convex shoulder 23 of spool 2 sidewalls.
As shown in Figs. 4-6, be second embodiment of the present utility model, spool 2 longitudinal sections are epsilon-type structure and cover on the valve seat 1, and the middle montant 24 of spool 2 inserts in and stops up discharge channel in the valve seat 1.
Stopping means is made up of the elasticity button pin 251 of valve seat 1 top bearing-surface 14, valve seat 1 both sides pin-and-hole 15 and spool 2 both sides montants 25 inner faces.
Magnet 4 is arranged at the end of spool 2 middle montants 24.
Be provided with sealing ring between spool 2 and the valve seat 1.
Operation principle: among the utility model first embodiment, under the normal pressure as shown in Figure 1, magnetic switch on the pressure limiting valve 3 and magnet 4 toward each other, magnetic switch 3 is in on-state, the heating circuit operate as normal in the pressure cooker, the pressure in the pot raises gradually.When pot inner pressure reached critical value, spool 2 (comprising valve core housing 21, pull bar 22, sealing plate 5 and spring 8) was moving on gradually under the promotion of pot inner pressure, and magnet 4 is gradually away from magnetic switch 3.As shown in Figure 2, when the distance between magnet 4 and the magnetic switch 3 reached setpoint distance, the magnetic force of magnet 4 was not enough to connect magnetic switch 3, the heating of can not working of heating circuit, thereby the purpose of realization pressure control.
Yet, malfunctioning when magnetic switch 3, the distance between magnet 4 and the magnetic switch 3 reaches setpoint distance, the heating circuit adstante febre of still working, valve core housing 21 is under the effect of sealing plate 6 and spring 9, stop to rise, at this moment, pot inner pressure the pull bar 22 of spool 2 is overcome and valve core housing 21 between frictional force rise separately, discharge channel is opened, as shown in Figure 3, the gas in the pot is discharged from discharge channel according to the diagram arrow, reaches the purpose of secondary pressure control.
After pot inner pressure descended, valve core housing 21, pull bar 22 set back under the effect of spring 9, spring 8 respectively.
Among the utility model second embodiment, as shown in Figure 4, identical under the normal pressure with first embodiment, magnetic switch 3 on the pressure limiting valve also with magnet 4 toward each other, magnetic switch 3 is in on-state, the heating circuit operate as normal in the pressure cooker, and the pressure in the pot raises gradually.When pot inner pressure reached critical value, spool 2 was moving on gradually under the promotion of pot inner pressure, and magnet 4 is gradually away from magnetic switch 3.As shown in Figure 5, when the distance between magnet 4 and the magnetic switch 3 reached setpoint distance, the magnetic force of magnet 4 was not enough to connect magnetic switch 3, the heating of can not working of heating circuit, thereby the purpose of realization pressure control.
The utility model second embodiment also is provided with and prevents because of the malfunctioning and accidents caused safe unloading pressure passage of magnetic switch 3.As shown in Figure 6, distance between magnet 4 and the magnetic switch 3 reaches setpoint distance, the heating circuit adstante febre of still working, spool 2 increases with pot inner pressure and moves constantly, elasticity button pin 251 up to spool 2 both sides montants 25 inner faces is buckled in the pin-and-hole 15, the discharge channel complete opening, the gas in the pot is discharged from discharge channel according to the diagram arrow.
After pot inner pressure descended, spool 2 set back under the own wt effect.
The magnetic pressure limiting valve of the utility model electric pressure cooking saucepan, simple in structure, both established magnetic switch, also establish discharge channel, for electric pressure cooking saucepan user's safety provides double shield.The utility model is provided with spool locking mechanism (also can equivalently being provided with in as elasticity button pin 251 among second embodiment and pin-and-hole 15, the first embodiment) in pressure limiting valve, and the user can manually or automatically control pressure limiting valve according to individual actual needs.When in a hurry, after the cooking is finished, then can manually mention spool 2 to latched position, make in the pot to communicate with the external world, the high pressure in the pot is discharged to outside the pot fast, ensure when opening pot cover and can not scald or blast, play the safeguard protection effect.
The above is preferred embodiment of the present utility model only, is not that the utility model is done any pro forma restriction; The those of ordinary skill of all industry, but all shown in the by specification accompanying drawing and the above, and implement the technical solutions of the utility model scope swimmingly; The technology contents that more than utilizing, is disclosed, and the equivalent variations of a little change of making, modification and differentiation is the embodiment of being equal to of the present utility model; Simultaneously, all foundations essence technology of the present utility model all still belongs to the technical solution of the utility model scope to change, modification and the differentiation etc. of any equivalent variations that above embodiment did.
Claims (8)
1, a kind of magnetic pressure limiting valve of electric pressure cooking saucepan, comprise valve seat and spool, valve seat is provided with air admission hole, come and go between the stopping means of spool in pressure limiting valve and move, it is characterized in that: described pressure limiting valve is provided with discharge channel, valve seat is provided with the magnetic switch that is electrically connected with control circuit, and spool is provided with magnet, magnetic switch that the position is set is corresponding with magnet.
2, according to the magnetic pressure limiting valve of the described electric pressure cooking saucepan of claim 1, it is characterized in that: described stopping means is provided with the spool locking mechanism.
3, according to the magnetic pressure limiting valve of the described electric pressure cooking saucepan of claim 1, it is characterized in that:
Described spool is made up of valve core housing and pull bar, and come and go between the secondary stopping means of pull bar in spool and move,
Described discharge channel is made up of valve seat air admission hole, valve core housing air admission hole, valve core housing inner chamber and valve core housing venthole,
Described stopping means is made up of convex shoulder that is arranged at the spool sidewall and the sealing plate that is placed in spool and seal valve seat, is provided with spring between the convex shoulder of spool sidewall and the sealing plate of valve seat,
Described magnet is arranged at the convex shoulder of spool sidewall.
4, according to the magnetic pressure limiting valve of the described electric pressure cooking saucepan of claim 3, it is characterized in that: described secondary stopping means is made up of convex shoulder that is arranged at the pull bar shaft and the sealing plate that is placed in pull bar shaft and seal valve core retainer plate, is provided with spring between the convex shoulder of pull bar shaft and the sealing plate of valve core housing.
5, according to the magnetic pressure limiting valve of the described electric pressure cooking saucepan of claim 4, it is characterized in that: described pull bar is provided with sealing ring in the end near the valve core housing air admission hole.
6, according to the magnetic pressure limiting valve of the described electric pressure cooking saucepan of claim 1, it is characterized in that: described spool longitudinal section is epsilon-type structure and covers on the valve seat, and the middle montant of spool inserts in and stops up discharge channel in the valve seat,
Described valve seat is provided with venthole, and discharge channel is made up of valve seat air admission hole, valve base cavity and valve seat air admission hole,
Described stopping means is made up of the elasticity button pin of valve seat top bearing-surface, valve seat both sides pin-and-hole and spool both sides montant inner face,
Described magnet is arranged at the end of the middle montant of spool.
7, according to the magnetic pressure limiting valve of claim 3 or 6 described electric pressure cooking saucepans, it is characterized in that: be provided with sealing ring between described spool and the valve seat.
8, according to the magnetic pressure limiting valve of the described electric pressure cooking saucepan of claim 1, it is characterized in that: described valve seat lower end is connected with hold-down nut, and the wall of hold-down nut is provided with air admission hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201551125U CN201001622Y (en) | 2006-12-22 | 2006-12-22 | Magnetic pressure-limiting valve for electric pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201551125U CN201001622Y (en) | 2006-12-22 | 2006-12-22 | Magnetic pressure-limiting valve for electric pressure cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201001622Y true CN201001622Y (en) | 2008-01-09 |
Family
ID=39037169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201551125U Expired - Fee Related CN201001622Y (en) | 2006-12-22 | 2006-12-22 | Magnetic pressure-limiting valve for electric pressure cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201001622Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107048993A (en) * | 2017-05-18 | 2017-08-18 | 珠海格力电器股份有限公司 | A kind of pressure cooker |
| CN111550586A (en) * | 2020-05-12 | 2020-08-18 | 成都海申科技有限公司 | Spring blasting relief valve can reset |
| CN113803907A (en) * | 2021-09-26 | 2021-12-17 | 广州恒星制冷设备集团有限公司 | Cold and hot supplying integrated equipment |
-
2006
- 2006-12-22 CN CNU2006201551125U patent/CN201001622Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107048993A (en) * | 2017-05-18 | 2017-08-18 | 珠海格力电器股份有限公司 | A kind of pressure cooker |
| CN111550586A (en) * | 2020-05-12 | 2020-08-18 | 成都海申科技有限公司 | Spring blasting relief valve can reset |
| CN111550586B (en) * | 2020-05-12 | 2021-11-09 | 成都海申科技有限公司 | Spring blasting relief valve can reset |
| CN113803907A (en) * | 2021-09-26 | 2021-12-17 | 广州恒星制冷设备集团有限公司 | Cold and hot supplying integrated equipment |
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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 |