CN105231814B - A kind of multi-gear adjustable presses pressure limiting valve - Google Patents
A kind of multi-gear adjustable presses pressure limiting valve Download PDFInfo
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- CN105231814B CN105231814B CN201510734898.XA CN201510734898A CN105231814B CN 105231814 B CN105231814 B CN 105231814B CN 201510734898 A CN201510734898 A CN 201510734898A CN 105231814 B CN105231814 B CN 105231814B
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Abstract
The invention discloses a kind of multi-gear adjustables to press pressure limiting valve, it is desirable to provide a kind of multi-gear adjustable pressure pressure limiting valve simple in structure, easy to use, can meeting a variety of culinary art demands of consumer.The present invention includes valve seat（1）, exhaust pipe（2）And weight（3）, the invention also includes height adjusting structure, the weight（3）Including upper weight（31）And lower heavy punch（32）, the height adjusting structure is for adjusting the upper weight（31）Height, the upper weight（31）On be provided with position limiting structure（311）, the lower heavy punch（32）With the upper weight（31）Flexible connection, when the upper weight（31）When highly changing, the position limiting structure（311）Raise or put down the lower heavy punch（32）.The present invention is applied to the technical field of pressure limiting valve.
Description
Technical field
The present invention relates to a kind of pressure limiting valve, more particularly to a kind of multi-gear adjustable for cooking equipment presses pressure limiting valve.
Background technology
Pressure cooker is a kind of device that cooking temp is improved using pressure, and a kind of is the pressure cooker for open firing,
A kind of is the electric pressure cooking saucepan using electric energy heating.It can be by the heat foods being cooked to 100 DEG C or more with it.It is with unique
High temperature and pressure function substantially reduces the time cooked, has saved the energy.But pressure limiting valve used in existing pressure cooker fixes weight for one
The pressure limiting valve of amount, only a kind of pressure when the weight of pressure valve determines pressure cooker work, and for different food, culinary art
Required pressure is also different.Single pressure is unfavorable for cooking a variety of different foods, this pursues China the cooking culture of health
Do not conform to.
For electric pressure cooking saucepan, multi gear pressure regulation is realized, now disclosed patent has increases multiple pressures on elastic outer pot
Power switch realizes which increase cost；The relationship change of with good grounds temperature and pressure carrys out control pressure, and this technology is once electric
Control failure, can cause security risk.And this technology is had using pressure adjustable is realized by the different weight for changing pressure limiting valve
Higher safety.
Existing safety device for pressure cooker structure is varied, such as the Chinese patent of Publication No. CN2281734, public
A kind of high-pressure cooker pressure limiting valve has been opened, spool is installed in pot cover, the lower part connection of spool is vented nut, and the gas vent of spool is suitable for reading
With main pressure limiting valve mates, there is main clump weight in main pressure limiting valve body, there is secondary pressure limiting valve body, secondary pressure limiting valve below main pressure limiting valve body
Secondary clump weight is installed in vivo, has drag hook on secondary pressure limiting valve body, has ear in main pressure limiting valve body, ear is matched with drag hook, is being limited
Pressure limiting valve seat under pressure valve body is installed, there is boss in pressure limiting valve seat, pressure limiting valve seat boss and the tenon of main pressure limiting body base match
It closes.Above-mentioned high-pressure cooker pressure limiting valve is uncontrollable to the pressure in pot, then easily boils food during use
It is rotten, so as to influence mouthfeel or even nutrition is damaged.
Certainly the current pressure limiting valve for also having adjustable pot inner pressure, such as the China of Publication No. CN202154523U are special
Profit, it discloses a kind of high-pressure cooker pressure limiting valve of adjustable pressure, including the outlet nozzle being located on pot cover and the valve body of pressure limiting valve, valve
Body is sleeved on outlet nozzle, and the tapered needle valve in valve body, which is blocked on the gas outlet of outlet nozzle, forms sealing, equipped with exacerbation on valve body
Code aggravates the shape of code as circular ring shape, and quantity has multiple, and the top of valve outer wall is formed with a step, and each code that aggravates is respectively fitted over
At the step, the outer wall of valve body is formed with screw thread with aggravating the inner wall of code, and valve body is threadedly coupled cooperation with aggravating code.Lead to during use
It crosses increase and decrease and aggravates code, you can the weight of entire valve body is adjusted, so as to the control pressure of regulation pressure-limiting valve.Although the pressure limiting valve can be with
The pressure in pot is adjusted, but uses very inconvenient, but also code is aggravated and is also easy to lose.
Invention content
The technical problems to be solved by the invention are to have overcome the deficiencies of the prior art and provide a kind of simple in structure, use
Multi-gear adjustable pressure pressure limiting valve convenient, that a variety of culinary art demands of consumer can be met.
The technical solution adopted in the present invention is：The present invention includes valve seat, exhaust pipe and weight, the air inlet of the exhaust pipe
Across the bottom of the valve seat, the outlet side of the exhaust pipe is adapted with the weight being arranged on the valve seat at end, this
Invention further includes height adjusting structure, and the weight includes upper weight and lower heavy punch, and the height adjusting structure is used to adjust institute
The height of weight is stated, position limiting structure is provided on the upper weight, the lower heavy punch is flexibly connected with the upper weight, works as institute
When stating weight and highly changing, the lower heavy punch is raised or put down to the position limiting structure.
The weight further includes several intermediate weights, several described intermediate weights connect with the upper weight activity
It connects, when the upper weight up moves, the position limiting structure holds up several intermediate weights successively from lower from upper；Work as institute
When stating weight and moving down, the position limiting structure puts down several intermediate weights successively from top to bottom.
The position limiting structure is claw, and the claw is equipped with the inside pawl of the pawl mouth being distributed on several groups of vertical directions,
The claw blocks the outer of several intermediate weights and the lower heavy punch, several described intermediate weights and described lower heavy
Hammer is from top to bottom distributed.
The position limiting structure is claw, and the claw is equipped with the outside pawl of the pawl mouth being distributed on several groups of vertical directions,
The distance between pawl and pawl are sequentially increased from top to bottom, and the claw blocks several intermediate weights and the lower heavy punch
Interior edge, the weight of several intermediate weights may be the same or different.
The height adjusting structure is the support column I being arranged on the valve seat, the upper weight lower end be equipped with it is described
Several reverse V-shaped mouths that the height that support column I is adapted differs, the described reverse V-shaped of a certain height can be made by rotating the upper weight
Mouth is fallen on the support column I.
The height adjusting structure is the support column II for being arranged on the upper weight lower end, the valve seat be equipped with it is described
Several V-type mouths that the depth that support column II is adapted differs, it is a certain that the rotation upper weight can fall into the support column II
In the V-type mouth of depth.
The height adjusting structure is the adjusting protrusion for being arranged on the upper weight following side, and the valve seat is equipped with seat
Slot, the lower part of the upper weight are located in the seat slot, are equipped on the inside of the seat slot and the sliding slot for adjusting protrusion and being adapted.
The upper weight further includes swivelling cover and the clump weight I being arranged on the swivelling cover, and the swivelling cover is equipped with
It is fixedly connected on the inside of several gas vents, the position limiting structure and the swivelling cover or the position limiting structure is positioned at described
The inside of swivelling cover and with the swivelling cover be integrally formed.
The handle is provided on the swivelling cover, gear flag is provided on the upper surface of the swivelling cover.
The lower heavy punch include with valve pocket, the clump weight being arranged on the valve pocket II and be arranged in the valve pocket and with
The needle that the exhaust pipe outlet side is adapted, the valve pocket is equipped with exhaust outlet and several are mutually fitted with the position limiting structure
The installation resigning mouthful matched.
The beneficial effects of the invention are as follows：Since the present invention includes valve seat, exhaust pipe and weight, the inlet end of the exhaust pipe
Across the bottom of the valve seat, the outlet side of the exhaust pipe is adapted with the weight being arranged on the valve seat, this hair
Bright to further include height adjusting structure, the weight includes upper weight and lower heavy punch, and the height adjusting structure is described for adjusting
The height of upper weight is provided with position limiting structure on the upper weight, and the lower heavy punch is flexibly connected with the upper weight, when described
When upper weight highly changes, the lower heavy punch is raised or put down to the position limiting structure.So when lower heavy punch quilt completely
It is exhaust condition when lifting；When the lower heavy punch is laid down, and the upper weight is jacked up by the height adjusting structure, pot
It is interior to generate the pressure mutually matched with the lower heavy punch；When the lower heavy punch is laid down, and the upper weight and the height
When spending adjustment structure disengaging, the pressure for adding the upper weight with the lower heavy punch and mutually matching can be generated in pot, it is seen that this hair
It is bright it is simple in structure, easy to use, a variety of culinary art demands of consumer can be met.
Description of the drawings
Fig. 1 is the partial schematic diagram under exhaust condition using the pot cover after the present invention；
Fig. 2 is sectional views of the Fig. 1 on A-A directions；
Fig. 3 is the partial schematic diagram under first grade of state using the pot cover after the present invention；
Fig. 4 is sectional views of the Fig. 3 on B-B directions；
Fig. 5 is the partial schematic diagram under second gear state using the pot cover after the present invention；
Fig. 6 is sectional views of the Fig. 5 on C-C directions；
Fig. 7 is the vertical view of the valve seat 1；
Fig. 8 is sectional views of the Fig. 7 on D-D directions；
Fig. 9 is the vertical view of the valve pocket 321；
Figure 10 is the vertical view of the swivelling cover 312；
Figure 11 is sectional views of the Figure 10 on E-E directions；
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.
Specific embodiment
Embodiment one
In the present embodiment, as shown in Figure 1 to 11, in the present embodiment, the present invention includes valve seat 1, exhaust pipe 2 and weight
3, the inlet end of the exhaust pipe 2 passes through the bottom of the valve seat 1, and the outlet side of the exhaust pipe 2 is with being arranged on the valve seat 1
On the weight 3 be adapted, the invention also includes height adjusting structure, the weight 3 include upper weight 31 and lower heavy punch 32,
The height adjusting structure is used to adjust the height of the upper weight 31, and position limiting structure 311, institute are provided on the upper weight 31
Lower heavy punch 32 is stated to be flexibly connected with the upper weight 31, when upper 31 height of weight changes, the position limiting structure 311
Raise or put down the lower heavy punch 32.
In the present embodiment, the height adjusting structure is the support column I 4 being arranged on the valve seat 1, the upper weight 31
Lower end is equipped with several reverse V-shaped mouths 5 that the height being adapted with the support column I 4 differs, certain can be made by rotating the upper weight 31
The reverse V-shaped mouth 5 of one height is fallen on the support column I 4.
In the present embodiment, the upper weight 31 further includes swivelling cover 312 and the clump weight being arranged on the swivelling cover 312
I 313, the swivelling cover 312 is equipped with several gas vents 314, and the position limiting structure 311 is located at the interior of the swivelling cover 312
It side and is integrally formed with the swivelling cover 312.
In the present embodiment, handle 315 is provided on the swivelling cover 312, is provided on the upper surface of the swivelling cover 312
Gear flag 316.
In the present embodiment, the lower heavy punch 32 includes and valve pocket 321, the clump weight II 322 being arranged on the valve pocket 321
And the needle 323 being adapted in the valve pocket 321 and with 2 outlet side of exhaust pipe is arranged on, the valve pocket 321 is equipped with row
Gas port 325 and several installation resigning mouthfuls 324 being adapted with the position limiting structure 311.
The operation principle of the present invention is as follows：
Exhaust：As depicted in figs. 1 and 2, the handle 315 on the swivelling cover 312, the upper weight 31 and institute are rotated
It states lower heavy punch 32 while rotates, when the branch on the most shallow reverse V-shaped mouth 51 on the swivelling cover 312 and the valve seat 1
When dagger I4 is aligned, the upper weight 31 is placed on the valve seat 1, described in the height H1 that the upper weight 31 is lifted is more than
The distance between upper weight 31 and the lower heavy punch 32 h1, the distance between at this moment described upper weight 31 and the lower heavy punch 32 h1
Maximum, while the position limiting structure 311 lifts the lower heavy punch 32, and the needle 323 is made to be detached from exhaust pipe mouth, nothing is in pot
Sealing state, steam is discharged from exhaust pipe through the lower heavy punch 32 and the gas vent at upper 31 top of weight in pot.
First grade of pressure：As shown in Figure 3 and Figure 4, the handle 315 on the swivelling cover 312 is rotated, is driven described heavy
Hammer 31 rotates simultaneously with the lower heavy punch 32, when the reverse V-shaped mouth 51 and the valve seat 1 of the centre on the swivelling cover 312
During the upper support column I4 alignment, the upper weight 31 is placed on the valve seat 1, while the lower heavy punch 32 falls, the valve
323 sealing exhaust pipe mouth of needle, since the height H2 that the upper weight 31 declines is more than the height of the lower heavy punch 32 decline, at this moment
The distance between the upper weight 31 and the lower heavy punch 32 h2 are not zero, so the weight F1 of only described lower heavy punch 32 plays sealing
It acts on, at this moment maximum working pressure (MWP) P1=F1/S in pot.
Second gear pressure：As shown in Figure 5 and Figure 6, the handle 315 on the swivelling cover 312 is rotated, is driven described heavy
Hammer 31 rotates simultaneously with the lower heavy punch 32, when the most deep reverse V-shaped mouth 51 on the swivelling cover 312 and the valve seat 1
During the upper support column I4 alignment, since the height H3 that the upper weight 31 declines is more than h2, the upper weight 31 and it is described under
The distance between weight 32 h3, while the lower heavy punch 32 falls, h3 is equal to zero, and the upper weight 31 acts on the lower heavy punch
32 top surface, 1.1.6V morphemes 3 are not contacted with support column I4 described on the valve seat 1, and in hanging, the needle 323 seals
Exhaust pipe mouth, so the weight F1 of the upper weight 31 and the weight F2 of the lower heavy punch 32 seal simultaneously, at this moment pot
Interior maximum working pressure (MWP) P2=F1+F2/S.
Embodiment two
The present embodiment and embodiment one the difference lies in：The weight 3 further includes three intermediate weights 33, respectively
First order weight, second level weight, third level weight, three intermediate weights 33 are flexibly connected with the upper weight 31.
When the upper weight 31 up moves, the position limiting structure 311 holds up the first order weight of the intermediate weight 33 successively, the
Two level weight, third level weight finally hold up lower heavy punch 32；When the upper weight 31 moves down, the position limiting structure 311
The lower heavy punch 32, the third level weight of intermediate weight 33 are put down successively, and second level weight finally puts down first order weight.
And in the present embodiment, the position limiting structure 311 is claw, and the claw is equipped on several groups of vertical directions
The inside pawl of the pawl mouth of distribution, the claw block the outer of three intermediate weights 33 and the lower heavy punch 32, several
The intermediate weight 33 and the lower heavy punch 32 are from top to bottom distributed.
Embodiment three
The present embodiment and embodiment two the difference lies in：The position limiting structure 311 is claw, and the claw is equipped with
The outside pawl of the pawl mouth that is distributed on several groups of vertical directions, the distance between pawl and pawl are sequentially increased from top to bottom, the claw
Block the interior edge of several described intermediate weights 33 and the lower heavy punch 32, several intermediate weights 33 and the lower heavy punch
32 are from top to bottom distributed, several described intermediate weights（33）Weight may be the same or different.
Example IV
The present embodiment and embodiment one, embodiment two the difference lies in：The height adjusting structure is is arranged on
The support column II 6 of 31 lower end of weight is stated, if the valve seat 1 is equipped with what the depth being adapted with the support column II 6 differed
Dry V-type mouth, different V-type mouths correspond to different pressure gears, and rotating the upper weight 31 can fall into the support column II 6
In the V-type mouth of a certain depth.
The present invention is applied to the technical field of pressure limiting valve.
Although the embodiment of the present invention is described with practical solution, the limit to meaning of the present invention is not formed
System, such as the height adjusting structure can also be the adjusting protrusion for being arranged on 31 following side of upper weight, on the valve seat 1
Equipped with seat slot 11, the lower part of the upper weight 31 is located in the seat slot 11, and 11 inside of seat slot is equipped with convex with the adjusting
Act the sliding slot that is adapted, for those skilled in the art, according to this specification to the modification of its embodiment and with its other party
The combination of case will be apparent from.
Claims (6)
1. a kind of multi-gear adjustable presses pressure limiting valve, including valve seat（1）, exhaust pipe（2）And weight（3）, the exhaust pipe（2）Air inlet
It holds across the valve seat（1）Bottom, the exhaust pipe（2）Outlet side and be arranged on the valve seat（1）On the weight
（3）It is adapted, it is characterised in that：The pressure limiting valve further includes height adjusting structure, the weight（3）Including upper weight（31）With under
Weight（32）, the height adjusting structure is for adjusting the upper weight（31）Height, the upper weight（31）On be provided with
Position limiting structure（311）, the lower heavy punch（32）With the upper weight（31）Flexible connection, when the upper weight（31）Highly occur
During variation, the position limiting structure（311）Raise or put down the lower heavy punch（32）；The weight（3）It further includes among several
Weight（33）, several described intermediate weights（33）With the upper weight（31）Flexible connection, when the upper weight（31）It is past
During upper movement, the position limiting structure（311）Several intermediate weights are held up successively from upper from lower（33）；When the upper weight
（31）When moving down, the position limiting structure（311）Put down several intermediate weights successively from top to bottom（33）, the limit
Bit architecture（311）For claw, the claw is equipped with the outside pawl of the pawl mouth being distributed on several groups of vertical directions, between pawl and pawl
Distance be sequentially increased from top to bottom, the claw blocks several intermediate weights（33）With the lower heavy punch（32）It is interior
Edge, several described intermediate weights（33）Weight may be the same or different；The upper weight（31）Further include swivelling cover（312）With
It is arranged on the swivelling cover（312）On clump weight I（313）, the swivelling cover（312）It is equipped with several gas vents（314）,
The position limiting structure（311）With the swivelling cover（312）Inside be fixedly connected or the position limiting structure（311）Positioned at institute
State swivelling cover（312）Inside and with the swivelling cover（312）It is integrally formed.
2. a kind of multi-gear adjustable pressure pressure limiting valve according to claim 1, it is characterised in that：The height adjusting structure is sets
It puts in the valve seat（1）On support column I（4）, the upper weight（31）Lower end is equipped with and the support column I（4）It is adapted
Several the reverse V-shaped mouths highly to differ（5）, rotate the upper weight（31）It can make the reverse V-shaped mouth of a certain height（5）It falls
The support column I（4）On.
3. a kind of multi-gear adjustable pressure pressure limiting valve according to claim 1, it is characterised in that：The height adjusting structure is sets
Put the weight on described（31）The support column II of lower end（6）, the valve seat（1）It is equipped with and the support column II（6）It is adapted
Several V-type mouths for differing of depth, rotate the upper weight（31）It can make the support column II（6）Fall into the institute of a certain depth
It states in V-type mouth.
4. a kind of multi-gear adjustable pressure pressure limiting valve according to claim 1, it is characterised in that：The height adjusting structure is sets
Put the weight on described（31）The adjusting protrusion of following side, the valve seat（1）It is equipped with seat slot（11）, the upper weight（31）'s
Lower part is located at the seat slot（11）It is interior, the seat slot（11）Inside is equipped with and the sliding slot for adjusting protrusion and being adapted.
5. a kind of multi-gear adjustable pressure pressure limiting valve according to claim 1, it is characterised in that：The swivelling cover（312）On set
It is equipped with handle（315）, the swivelling cover（312）Upper surface on be provided with gear flag（316）.
6. a kind of multi-gear adjustable pressure pressure limiting valve according to claim 1, it is characterised in that：The lower heavy punch（32）Including with
Valve pocket（321）, be arranged on the valve pocket（321）On clump weight II（322）And it is arranged on the valve pocket（321）It is interior and with it is described
Exhaust pipe（2）The needle that outlet side is adapted（323）, the valve pocket（321）It is equipped with exhaust outlet（325）And several with institute
State position limiting structure（311）The installation resigning mouthful being adapted（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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105231814A CN105231814A (en) | 2016-01-13 |
| CN105231814B true CN105231814B (en) | 2018-06-26 |
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Family Applications (1)
| 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105231814B (en) |
Families Citing this family (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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|---|---|---|---|---|
| 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 |
| CN202801196U (en) * | 2012-07-30 | 2013-03-20 | 聂振杰 | Pressure-adjustable pressure container pressure-limiting valve |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103054456B (en) * | 2011-10-19 | 2014-12-10 | 珠海格力电器股份有限公司 | Pressure cooker and pressure-limiting valve |
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2015
- 2015-11-03 CN CN201510734898.XA patent/CN105231814B/en active Active
Patent Citations (8)
| 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 |
| CN202801196U (en) * | 2012-07-30 | 2013-03-20 | 聂振杰 | Pressure-adjustable pressure container pressure-limiting valve |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105231814A (en) | 2016-01-13 |
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