CN105231814A - Multi-position adjustable pressure pressure-limiting valve - Google Patents
Multi-position adjustable pressure pressure-limiting valve Download PDFInfo
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- CN105231814A CN105231814A CN201510734898.XA CN201510734898A CN105231814A CN 105231814 A CN105231814 A CN 105231814A CN 201510734898 A CN201510734898 A CN 201510734898A CN 105231814 A CN105231814 A CN 105231814A
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Abstract
The invention discloses a multi-position adjustable pressure pressure-limiting valve and aims to provide a multi-position adjustable pressure pressure-limiting valve simple in structure, convenient to use and satisfactory to various cooking needs of consumers. The multi-position adjustable pressure pressure-limiting valve comprises a valve seat (1), an exhaust tube (2) and a hammer (3) and also comprises a height adjusting structure, the hammer (3) comprises an upper hammer (31) and a lower hammer (32), the height adjusting structure is used for adjusting the height of the upper hammer (31), the upper hammer (31) is provided with a limiting structure (311), the lower hammer (32) is movably connected with the upper hammer (31), and the limiting structure (311) raises or lowers the lower hammer (32) while the height of the upper hammer (31) changes. The multi-position adjustable pressure pressure-limiting valve is applicable to the technical field of pressure-limiting valves.
Description
Technical field
The present invention relates to a kind of pressure limiting valve, particularly a kind of many grades of pressure-adjustable pressure limiting valves for cooking equipment.
Background technology
Pressure cooker be a kind of pressure that utilizes to improve the device of cooking temp, a kind of is pressure cooker for open firing, and a kind of is the electric pressure cooking saucepan utilizing electric energy to heat.With it can by by the heat foods of boiling to more than 100 DEG C.It, with the HTHP function of uniqueness, substantially reduces the time of cooking, and has saved the energy.But existing pressure cooker pressure limiting valve used is the pressure limiting valve of a fixed weight, be only a kind of pressure when the weight of pressure valve determines pressure cooker work, and for different food, its pressure needed for culinary art is also different.Single pressure is unfavorable for cooking multiple different food, and this pursues healthy cooking culture to China and does not conform to.
For electric pressure cooking saucepan, realize many grades of pressure regulation, existing disclosed patent has to be increased multiple pressure switch to realize on elasticity outer pot, which increases cost; The relationship change of with good grounds temperature and pressure carrys out controlled pressure, and this technology, once automatically controlled inefficacy, can cause potential safety hazard.And the Different Weight that this technology adopts dependence to change pressure limiting valve realizes pressure adjustable, there is higher security.
Existing safety device for pressure cooker structure is varied, such as publication number is the Chinese patent of CN2281734, it discloses a kind of high-pressure cooker pressure limiting valve, in pot cover, spool is installed, the bottom of spool connects exhaust nut, suitable for reading and the main pressure limiting valve mates of the steam vent of spool, main balancing weight is had in main pressure limiting valve body, secondary pressure limiting valve body is had below main pressure limiting valve body, in secondary pressure limiting valve body, secondary balancing weight is installed, secondary pressure limiting valve body there is drag hook, ear is had in main pressure limiting valve body, ear matches with drag hook, pressure limiting valve seat is installed under pressure limiting valve body, boss is had in pressure limiting valve seat, pressure limiting valve seat boss matches with the tenon of main pressure limiting body base.Above-mentioned high-pressure cooker pressure limiting valve is uncontrollable to the pressure in pot, so easily that food is well-done in the process used, thus affects mouthfeel, even damages nutrition.
Certainly the pressure limiting valve of adjustable pot inner pressure is also had at present, such as publication number is the Chinese patent of CN202154523U, it discloses a kind of high-pressure cooker pressure limiting valve of adjustable pressure, comprise the valve body being located at outlet nozzle on pot cover and pressure limiting valve, valve body is enclosed within outlet nozzle, the gas outlet that tapered needle valve in valve body is blocked in outlet nozzle forms sealing, valve body is furnished with and adds repeated code, the shape adding repeated code is annular, quantity has multiple, the top of valve outer wall is shaped with a step, respectively add repeated code and be enclosed within this step place respectively, the outer wall of valve body is shaped with screw thread with the inwall adding repeated code, valve body with add repeated code and coordinate to be threaded.Repeated code is added by increase and decrease, i.e. the weight of adjustable whole valve body during use, thus the controlled pressure of regulation pressure-limiting valve.Although this pressure limiting valve can regulate the pressure in pot, use very inconvenient, but also add repeated code and also easily lose.
Summary of the invention
Technical problem to be solved by this invention overcomes the deficiencies in the prior art, provides the many grades of pressure-adjustable pressure limiting valves that a kind of structure is simple, easy to use, can meet the multiple culinary art demand of consumer.
The technical solution adopted in the present invention is: the present invention includes valve seat, blast pipe and weight, the inlet end of described blast pipe passes the bottom of described valve seat, the outlet side of described blast pipe is suitable with the described weight be arranged on described valve seat, the present invention also comprises height adjusting structure, described weight comprises weight and lower heavy punch, described height adjusting structure is for regulating the height of described upper weight, described upper weight is provided with position limiting structure, described lower heavy punch is flexibly connected with described upper weight, when described upper weight height changes, described lower heavy punch is raised or put down to described position limiting structure.
Described weight also comprises several middle weights, and in the middle of described in several, weight is all flexibly connected with described upper weight, and when described upper weight up moves, described position limiting structure holds up weight in the middle of described in several from lower successively from upper; When described upper weight down moves, described position limiting structure puts down weight in the middle of described in several from top to bottom successively.
Described position limiting structure is claw, described claw is provided with the inside pawl of pawl mouth that some groups of vertical directions distribute, described claw blocks the outer of weight and described lower heavy punch in the middle of described in several, and in the middle of described in several, weight and described lower heavy punch from top to bottom distribute.
Described position limiting structure is claw, described claw is provided with the outside pawl of pawl mouth that some groups of vertical directions distribute, distance between pawl and pawl increases from top to bottom successively, described claw blocks the interior edge of weight and described lower heavy punch in the middle of described in several, and in the middle of described in several, the weight of weight may be the same or different.
Described height adjusting structure is be arranged on the support column on described valve seat
, described upper weight lower end is provided with and described support column
several reverse V-shaped mouths that suitable height differs, rotate described upper weight and the described reverse V-shaped mouth of a certain height can be made to drop on described support column
on.
Described height adjusting structure is the support column being arranged on described upper weight lower end
, described valve seat is provided with and described support column
several V-type mouths that the suitable degree of depth differs, rotate described upper weight and can make described support column
fall into the described V-type mouth of a certain degree of depth.
Described height adjusting structure is the adjustment projection being arranged on described upper weight following side, and described valve seat is provided with a groove, and the bottom of described upper weight is positioned at described seat groove, is provided with and the described chute regulating projection suitable inside described seat groove.
Described upper weight also comprises swivelling cover and is arranged on the balancing weight on described swivelling cover
, described swivelling cover is provided with several steam vents, and described position limiting structure is fixedly connected with the inner side of described swivelling cover, or described position limiting structure is positioned at the inner side of described swivelling cover and one-body molded with described swivelling cover.
Described swivelling cover is provided with described handle, the upper surface of described swivelling cover is provided with gear flag.
Described lower heavy punch comprises and valve pocket, the balancing weight be arranged on described valve pocket
and being arranged on needle in described valve pocket and suitable with described blast pipe outlet side, described valve pocket is provided with the suitable installation of exhaust outlet and several and described position limiting structure and steps down mouth.
The invention has the beneficial effects as follows: owing to the present invention includes valve seat, blast pipe and weight, the inlet end of described blast pipe passes the bottom of described valve seat, the outlet side of described blast pipe is suitable with the described weight be arranged on described valve seat, the present invention also comprises height adjusting structure, described weight comprises weight and lower heavy punch, described height adjusting structure is for regulating the height of described upper weight, described upper weight is provided with position limiting structure, described lower heavy punch is flexibly connected with described upper weight, when described upper weight height changes, described lower heavy punch is raised or put down to described position limiting structure.So, be exhaust condition when described lower heavy punch is lifted completely; When described lower heavy punch is put down, and described upper weight by described height adjusting structure jack-up time, the pressure matched mutually with described lower heavy punch can be produced in pot; When described lower heavy punch is put down, and described upper weight and described height adjusting structure are when departing from, can produce and add with described lower heavy punch the pressure that described upper weight matches mutually in pot, visible structure of the present invention is simple, easy to use, the multiple culinary art demand of consumer can be met.
Accompanying drawing explanation
Fig. 1 is the partial schematic diagram of pot cover under exhaust condition after using the present invention;
Fig. 2 is the sectional view of Fig. 1 on A-A direction;
Fig. 3 is the partial schematic diagram of pot cover under first grade of state after using the present invention;
Fig. 4 is the sectional view of Fig. 3 on B-B direction;
Fig. 5 is the partial schematic diagram of pot cover under second gear state after using the present invention;
Fig. 6 is the sectional view of Fig. 5 on C-C direction;
Fig. 7 is the top view of described valve seat 1;
Fig. 8 is the sectional view of Fig. 7 on D-D direction;
Fig. 9 is the top view of described valve pocket 321;
Figure 10 is the top view of described swivelling cover 312;
Figure 11 is the sectional view of Figure 10 on E-E direction;
Figure 12 is the sectional view of the embodiment of the present invention two;
Figure 13 is the sectional view of the embodiment of the present invention three;
Figure 14 is the sectional view of the embodiment of the present invention four.
Detailed description of the invention
embodiment one
In the present embodiment, as shown in Figure 1 to 11, in the present embodiment, the present invention includes valve seat 1, blast pipe 2 and weight 3, the inlet end of described blast pipe 2 passes the bottom of described valve seat 1, the outlet side of described blast pipe 2 is suitable with the described weight 3 be arranged on described valve seat 1, the present invention also comprises height adjusting structure, described weight 3 comprises weight 31 and lower heavy punch 32, described height adjusting structure is for regulating the height of described upper weight 31, described upper weight 31 is provided with position limiting structure 311, described lower heavy punch 32 is flexibly connected with described upper weight 31, when described upper weight 31 highly changes, described lower heavy punch 32 is raised or put down to described position limiting structure 311.
In the present embodiment, described height adjusting structure is be arranged on the support column on described valve seat 1
4, described upper weight 31 lower end is provided with and described support column
several reverse V-shaped mouths 5 that 4 suitable height differ, rotate described upper weight 31 and the described reverse V-shaped mouth 5 of a certain height can be made to drop on described support column
on 4.
In the present embodiment, the balancing weight that described upper weight 31 also comprises swivelling cover 312 and is arranged on described swivelling cover 312
313, described swivelling cover 312 is provided with several steam vents 314, and described position limiting structure 311 is positioned at the inner side of described swivelling cover 312 and one-body molded with described swivelling cover 312.
In the present embodiment, described swivelling cover 312 is provided with handle 315, the upper surface of described swivelling cover 312 is provided with gear flag 316.
In the present embodiment, described lower heavy punch 32 comprises and valve pocket 321, the balancing weight be arranged on described valve pocket 321
322 and be arranged on needle 323 in described valve pocket 321 and suitable with described blast pipe 2 outlet side, described valve pocket 321 is provided with the suitable installation of exhaust outlet 325 and several and described position limiting structure 311 and steps down mouth 324.
Operation principle of the present invention is as follows:
Exhaust: as depicted in figs. 1 and 2, rotate the described handle 315 on described swivelling cover 312, described upper weight 31 and described lower heavy punch 32 rotate simultaneously, when the most shallow described reverse V-shaped mouth 51 on described swivelling cover 312 aligns with described support column I4 on described valve seat 1, described upper weight 31 is placed on described valve seat 1, height H 1 due to the lifting of described upper weight 31 is greater than the distance h1 between described upper weight 31 and described lower heavy punch 32, at this moment the distance h1 between described upper weight 31 and described lower heavy punch 32 is maximum, described position limiting structure 311 mentions described lower heavy punch 32 simultaneously, described needle 323 is made to depart from exhaust pipe mouth, be in without sealing state in pot, in pot, steam is discharged with the steam vent at described upper weight 31 top from blast pipe through described lower heavy punch 32.
First grade of pressure: as shown in Figure 3 and Figure 4, rotate described handle 315 on described swivelling cover 312, drive described upper weight 31 to rotate with described lower heavy punch 32 simultaneously, when the described reverse V-shaped mouth 51 of the centre on described swivelling cover 312 aligns with described support column I4 on described valve seat 1, described upper weight 31 is placed on described valve seat 1, described lower heavy punch 32 falls simultaneously, described needle 323 sealing exhaust pipe mouth, height H 2 due to described upper weight 31 decline is greater than the height that described lower heavy punch 32 declines, at this moment the distance h2 between described upper weight 31 and described lower heavy punch 32 is non-vanishing, so only the weight F1 of described lower heavy punch 32 seals, at this moment the maximum working pressure (MWP) P1=F1/S in pot.
Second gear pressure: as shown in Figure 5 and Figure 6, rotate described handle 315 on described swivelling cover 312, drive described upper weight 31 to rotate with described lower heavy punch 32 simultaneously, when the darkest described reverse V-shaped mouth 51 on described swivelling cover 312 aligns with described support column I4 on described valve seat 1, the height H 3 declined due to described upper weight 31 is greater than h2, distance h3 between described upper weight 31 and described lower heavy punch 32, described lower heavy punch 32 falls simultaneously, h3 equals zero, described upper weight 31 acts on the end face of described lower heavy punch 32, 1.1.6V morpheme 3 does not contact with described support column I4 on described valve seat 1, be in unsettled, described needle 323 sealing exhaust pipe mouth, so the weight F1 of described upper the weight 31 and weight F2 of described lower heavy punch 32 seals simultaneously, at this moment the maximum working pressure (MWP) P2=F1+F2/S in pot.
embodiment two
The difference of the present embodiment and embodiment one is: described weight 3 also comprises three middle weights 33, and be respectively first order weight, second level weight, third level weight, three described middle weights 33 are all flexibly connected with described upper weight 31.When described upper weight 31 up moves, described position limiting structure 311 holds up the first order weight of described middle weight 33 successively, second level weight, third level weight, finally holds up lower heavy punch 32; When described upper weight 31 down moves, described position limiting structure 311 puts down described lower heavy punch 32 successively, the third level weight of middle weight 33, and second level weight, finally puts down first order weight.
And in the present embodiment, described position limiting structure 311 is claw, described claw is provided with the inside pawl of pawl mouth that some groups of vertical directions distribute, described claw blocks the outer of three described middle weights 33 and described lower heavy punch 32, and in the middle of described in several, weight 33 and described lower heavy punch 32 from top to bottom distribute.
embodiment three
The difference of the present embodiment and embodiment two is: described position limiting structure 311 is claw, described claw is provided with the outside pawl of pawl mouth that some groups of vertical directions distribute, distance between pawl and pawl increases from top to bottom successively, described claw blocks the interior edge of weight 33 and described lower heavy punch 32 in the middle of described in several, in the middle of described in several, weight 33 and described lower heavy punch 32 from top to bottom distribute, and in the middle of described in several, the weight of weight (33) may be the same or different.
embodiment four
The difference of the present embodiment and embodiment one, embodiment two is: described height adjusting structure is the support column being arranged on described upper weight 31 lower end
6, described valve seat 1 is provided with and described support column
several V-type mouths that the 6 suitable degree of depth differ, the pressure gear that different V-type mouths is corresponding different, rotates described upper weight 31 and can make described support column
the 6 described V-type mouths falling into a certain degree of depth.
The present invention is applied to the technical field of pressure limiting valve.
Although embodiments of the invention describe with practical solution, but the restriction do not formed implication of the present invention, such as described height adjusting structure can also be protruding for the adjustment being arranged on described upper weight 31 following side, described valve seat 1 is provided with a groove 11, the bottom of described upper weight 31 is positioned at described seat groove 11, be provided with inside described seat groove 11 and regulate protruding suitable chute with described, for those skilled in the art, according to this description to the amendment of its embodiment and and the combination of other schemes be all apparent.
Claims (10)
1. one kind many grades pressure-adjustable pressure limiting valves, comprise valve seat (1), blast pipe (2) and weight (3), the inlet end of described blast pipe (2) passes the bottom of described valve seat (1), the outlet side of described blast pipe (2) is suitable with the described weight (3) be arranged on described valve seat (1), it is characterized in that: described one many grades of pressure-adjustable pressure limiting valves also comprise height adjusting structure, described weight (3) comprises weight (31) and lower heavy punch (32), described height adjusting structure is for regulating the height of described upper weight (31), described upper weight (31) is provided with position limiting structure (311), described lower heavy punch (32) is flexibly connected with described upper weight (31), when described upper weight (31) highly changes, described lower heavy punch (32) is raised or put down to described position limiting structure (311).
2. one according to claim 1 many grades of pressure-adjustable pressure limiting valves, it is characterized in that: described weight (3) also comprises several middle weights (33), in the middle of described in several, weight (33) is all flexibly connected with described upper weight (31), when described upper weight (31) is up moved, described position limiting structure (311) holds up weight (33) in the middle of described in several from lower successively from upper; When described upper weight (31) is down moved, described position limiting structure (311) puts down weight (33) in the middle of described in several from top to bottom successively.
3. one according to claim 2 many grades of pressure-adjustable pressure limiting valves, it is characterized in that: described position limiting structure (311) is claw, described claw is provided with the inside pawl of pawl mouth that some groups of vertical directions distribute, described claw blocks the outer of weight (33) and described lower heavy punch (32) in the middle of described in several, and in the middle of described in several, weight (33) and described lower heavy punch (32) from top to bottom distribute.
4. one according to claim 2 many grades of pressure-adjustable pressure limiting valves, it is characterized in that: described position limiting structure (311) is claw, described claw is provided with the outside pawl of pawl mouth that some groups of vertical directions distribute, distance between pawl and pawl increases from top to bottom successively, described claw blocks the interior edge of weight (33) and described lower heavy punch (32) in the middle of described in several, and in the middle of described in several, the weight of weight (33) may be the same or different.
5. one according to claim 1 many grades of pressure-adjustable pressure limiting valves, is characterized in that: described height adjusting structure is for being arranged on the support column on described valve seat (1)
(4), described upper weight (31) lower end is provided with and described support column
(4) several reverse V-shaped mouths (5) that suitable height differs, rotate described upper weight (31) and the described reverse V-shaped mouth (5) of a certain height can be made to drop on described support column
(4) on.
6. one according to claim 1 many grades of pressure-adjustable pressure limiting valves, is characterized in that: described height adjusting structure is for being arranged on the support column of described upper weight (31) lower end
(6), described valve seat (1) is provided with and described support column
(6) several V-type mouths that the suitable degree of depth differs, rotate described upper weight (31) and can make described support column
(6) the described V-type mouth of a certain degree of depth is fallen into.
7. one according to claim 1 many grades of pressure-adjustable pressure limiting valves, it is characterized in that: described height adjusting structure is for being arranged on the adjustment projection of described upper weight (31) following side, described valve seat (1) is provided with a groove (11), the bottom of described upper weight (31) is positioned at described seat groove (11), and described seat groove (11) inner side is provided with and regulates protruding suitable chute with described.
8. the many grades of pressure-adjustable pressure limiting valves of the one according to any one of claim 1 to 7, is characterized in that: the balancing weight that described upper weight (31) also comprises swivelling cover (312) and is arranged on described swivelling cover (312)
(313), described swivelling cover (312) is provided with several steam vents (314), described position limiting structure (311) is fixedly connected with the inner side of described swivelling cover (312), or described position limiting structure (311) is positioned at the inner side of described swivelling cover (312) and one-body molded with described swivelling cover (312).
9. one according to claim 8 many grades of pressure-adjustable pressure limiting valves, is characterized in that: described swivelling cover (312) is provided with handle (315), the upper surface of described swivelling cover (312) are provided with gear flag (316).
10. the many grades of pressure-adjustable pressure limiting valves of the one according to any one of claim 1 to 7, is characterized in that: described lower heavy punch (32) comprises and valve pocket (321), the balancing weight be arranged on described valve pocket (321)
(322) and be arranged on needle (323) in described valve pocket (321) and suitable with described blast pipe (2) outlet side, described valve pocket (321) is provided with the suitable installation of exhaust outlet (325) and several and described position limiting structure (311) and steps down mouth (324).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510734898.XA CN105231814B (en) | 2015-11-03 | 2015-11-03 | A kind of multi-gear adjustable presses pressure limiting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510734898.XA CN105231814B (en) | 2015-11-03 | 2015-11-03 | A kind of multi-gear adjustable presses pressure limiting valve |
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| Publication Number | Publication Date |
|---|---|
| CN105231814A true CN105231814A (en) | 2016-01-13 |
| CN105231814B CN105231814B (en) | 2018-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510734898.XA Active CN105231814B (en) | 2015-11-03 | 2015-11-03 | A kind of multi-gear adjustable presses pressure limiting valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107136906A (en) * | 2016-03-01 | 2017-09-08 | 佛山市顺德区美的电热电器制造有限公司 | A kind of pressure regulating mechanism and the pressure cooker with it |
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| CN203028956U (en) * | 2012-09-21 | 2013-07-03 | 聂振杰 | Pressure limiting valve and pressure vessel pressure limiting device using same |
| CN203399966U (en) * | 2013-07-04 | 2014-01-22 | 浙江永达不锈钢制品有限公司 | Direct-discharging type steam discharging device |
| CN205144303U (en) * | 2015-11-03 | 2016-04-13 | 珠海双喜电器股份有限公司 | But many grades of pressure regulating voltage limiting valves |
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4559980A (en) * | 1983-04-20 | 1985-12-24 | T. Giusti & Son Ltd. | Apparatus and a process for injecting steam directly into a product in a processing vessel |
| CN2552436Y (en) * | 2002-05-24 | 2003-05-28 | 胡国定 | Adjustable pressure-limiting valve for pressure-cooker |
| CN101797118A (en) * | 2010-01-26 | 2010-08-11 | 浙江苏泊尔股份有限公司 | Gravity-type pressure-regulating and pressuring-limiting valve |
| CN202198421U (en) * | 2011-09-05 | 2012-04-25 | 浙江苏泊尔股份有限公司 | Regulation pressure-limiting valve of pressure cooker |
| CN103054456A (en) * | 2011-10-19 | 2013-04-24 | 珠海格力电器股份有限公司 | Pressure cooker and pressure-limiting valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107136906A (en) * | 2016-03-01 | 2017-09-08 | 佛山市顺德区美的电热电器制造有限公司 | A kind of pressure regulating mechanism and the pressure cooker with it |
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| Publication number | Publication date |
|---|---|
| CN105231814B (en) | 2018-06-26 |
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