CN106724780A - The pressure cooker of pressure feedback antispray and collection profit - Google Patents

Abstract

Pressure feedback antispray and the pressure cooker of collection profit that the present invention is provided, include pot and pot cover and barrel cover（2）, barrel cover（2）Bottom is provided with holding groove（3）, holding groove（3）By barrel cover（2）And internal ring wall（31）And bottom land（32）Constitute；Barrel cover（2）And holding groove（3）It is set in bonnet（11）Periphery, and through internal ring wall（31）Bottom be connected with pot cover 1, the upper end of internal ring wall (31) week is along the lower edge less than cap aperture (12)；Barrel cover（2）Upper end be open ports；Barrel cover（2）Top be provided with cover through hole（51）Silencer cover（5）, bonnet（11）With cover through hole（51）Between have suitable steam discharge gap, steam discharge gap makes barrel cover（2）Interior gas pressure is more than its ambient pressure, but does not improve the exhaust steam pressure of the former setting of pressure cooker.Pressure cooker of the present invention has antispray and collects the function of profit and noise-reducing, using safer and convenient, can be used to cooking and offer convenience and have application value.

Description

The pressure cooker of pressure feedback antispray and collection profit

The application is that the Application No. 2012104565454, applying date is on November 15th, 2012, entitled with anti- The divisional application of the pressure cooker of splash and collection profit function.

Technical field

The present invention relates to a kind of pressure cooker, the pressure cooker of particularly a kind of pressure feedback antispray and collection profit.

Background technology

The daily pressure cooker used on gas-cooker or electromagnetic oven of the public（Referred to hereinafter as：Pressure cooker）, it is safe need Will, the limited exhaust valve for pressure of gravity type is provided with the pot cover of pressure cooker（Referred to hereinafter as：Pressure limiting valve）.When pressure cooker is in pressure limiting steam discharge When, most of gas is the gravity cap from pressure limiting valve（Referred to hereinafter as：Bonnet）On four exhaust holes（Call in the following text：Cap aperture）Spray, and Easily there is following inconvenience：1. what is sprayed in the horizontal direction is mingled with the hot gas of profit and tiny food particle（Hereafter it is referred to as：It is mixed Interflow body）Its hygienic state is influenceed on implements around easy splash to pressure cooker；2. when the firepower suffered by pressure cooker is larger, Fluid-mixing spray volume is more and range farther out, the manipulation to operator to the kitchen range top is made troubles；3. spray in the horizontal direction Fluid-mixing is easily spread in its peripheral greater room, is unfavorable for that smoke exhaust ventilator is aspirated to it and discharged in time；4. by pressure limiting The noise produced by fluid-mixing that valve sprays is larger and easily disturb people.

To solve the above problems, Patent No. 92222226.6<The anti-injection noise reduction device of autoclave steam>Provide A kind of better simply technical scheme, i.e., cover pressure limiting valve with opening cup jaggy, but taken because of the profit not to being formed and appoint What measure, and there are more profits to drop down and fall within pot cover on even overflow to the kitchen range top, the use to pressure cooker is made troubles；Excessively Directly pressure cooker radiating is accelerated in trickling to pot cover surface and because being vaporized again to profit, so as to increase heat energy when pressure cooker is cooked Loss, is unfavorable for energy-conservation；Cup covers pressure limiting valve, and lower noise amplitude is too big, and operator is difficult to perceive the shape of cooking of pressure cooker State, and the artificial adjustment of the firepower that is unfavorable for cooking.

Patent No. 94206773.8<Safety device for household pressure cooker>There is provided a kind of technical scheme, but the technology Scheme has weak point, such as：Change the structure of high-pressure cooker pressure limiting valve, and bonnet structure is more complicated, using inconvenience, also easily The stability of influence pressure cooker pressure limiting exhaust, and can not be used on existing pressure cooker；Employ and be placed on valve seat（Under herein Claim：Block set）On collecting disc collect profit, collecting disc is close to pot cover surface, and the profit in it is easily vaporized, and is unfavorable for section Energy；Profit in collecting disc is also easily easily gone out by the downward fluid-mixing peening for spraying of fit clearance between bonnet and block set Now indirect or secondary splash phenomena, antispray effect is not ideal enough.

Patent No. 96226894.1<Pressure cook silencer>And Patent No. 01238623.5<Pressure cooker is prevented Overflow device>Close technical scheme is provided in two files, the technical scheme surrounds bonnet, easily increase pressure limiting valve steam discharge goes out Gas pressure at mouthful, that is, increase the exhaust steam pressure of pressure cooker, so as to influence the safe handling of pressure cooker.What latter document was provided Technical scheme, makes fluid-mixing and its profit of formation be sprayed upwards from the venthole on anti-overflow cover top, and easily splash is to using The face of person, it practices the safety problem that easily there is injury operator.The technical scheme that previous file is provided, will accumulate in Profit around bonnet is sprayed by the wireway for being connected to silencer cover top, is more easy to increase the exhaust steam pressure of pressure cooker, particularly When there is the blocked abnormality of wireway, the exhaust steam pressure of pressure cooker will be significantly improved, pole is unfavorable for the peace of pressure cooker Use entirely, the application of the technical scheme has certain danger.

In a word, prior art is difficult popularization and application because existing using defect or potential use safety problem, makes Existing pressure cooker easy produced problem during cooking fails to be properly settled.

The content of the invention

It is an object of the invention to provide a kind of pressure feedback antispray and the pressure cooker of collection profit, cook using this hair Bright pressure cooker, can not only prevent its fluid-mixing discharged from expulsion events occur, moreover it is possible to collect what is formed by fluid-mixing Profit, and can suitably reduce exhaust noise.

The object of the present invention is achieved like this, described pressure feedback antispray and collects the pressure cooker of profit, including There is the pot of pressure cooker（10）And the pot cover with pressure limiting valve matched with it, have around pressure limiting valve one week on the pot cover Be used to block from pressure limiting valve spray fluid-mixing barrel cover；The bottom of the barrel cover be provided with pot cover around pressure limiting The valve bonnet holding groove of a week；The holding groove by the barrel cover barrel and internal ring wall with through hole on its inside and The bottom land three being attached between both bottoms is constituted；The minimum-value aperture of the through hole is more than bonnet upper end most Big external diameter so that the barrel cover and holding groove through the through hole kink in the periphery of bonnet, and make the internal ring wall with bonnet There is suitable gap between the week side of boss；The height and position on all edges in the upper end of the internal ring wall is corresponding less than pressure limiting bonnet bore lower edge Position, so that the fluid-mixing sprayed from pressure limiting bonnet bore passes through the upper of the holding groove from above the internal ring wall In side space；There is suitable spacing, so that the holding groove has presetting appearance between the barrel cover and the internal ring wall Amount；The upper end of the barrel cover is open ports；It is characterized in that：The barrel cover and holding groove are supported in through the bottom of the internal ring wall It is connected with pot cover contact on the surface of pot cover；The top of the barrel cover is provided with the silencer cover being sleeved on its open ports position, The center of the silencer cover is provided with around one week rounded cover through hole of bonnet, and bonnet is located at the cover through hole It is interior, between the two with suitable steam discharge gap；When the mixed flow scale of construction of pressure limiting valve discharge is larger, above-mentioned steam discharge gap makes The gas pressure formed by remaining fluid-mixing in barrel cover is more than its ambient pressure, and this exhaust steam pressure to pressure cooker is produced and carried Height effect, and simultaneously, under the gas pressure effect in barrel cover, bonnet obtains upward active force, bonnet is applied to pressure limiting valve Active force on block set steam drain position reduces and produces reduction effect, above-mentioned two adverse effects phase to the exhaust steam pressure of pressure cooker The exhaust steam pressure mutually offset without improving the former setting of pressure cooker.

Cook using pressure cooker of the invention, when pressure cooker pressure limiting steam discharge, from the fluid-mixing that pressure limiting bonnet bore sprays Can be blocked by the barrel cover in pressure cooker of the present invention, prevent the fluid-mixing from being directly injected into the peripheral space of pressure cooker；And should Fluid-mixing flows into holding groove after being blocked when the profit of the madial wall formation of barrel cover drops down downwards.Certainly, fluid-mixing Also sprayed downwards from the fit clearance between pressure limiting valve bonnet and block set, the portion of combined stream scale of construction is less, and if its in pot cover A small amount of profit is formed on surface to be also easily vaporized again, or seepage and vaporization in the gap coordinated from the bottom land and pot cover, i.e., should Profit will not be in accumulation state be formed, so that the bottom the week side of boss of bonnet is from accumulation profit on pot cover surface.That is, height of the invention Pressure pot can be such that the profit that is formed of fluid-mixing sprayed from pressure limiting valve collects in the holding groove of pressure cooker of the present invention, and not into For the remaining fluid-mixing of profit then can be from the slotted eye defaulted in barrel cover of the present invention with gas form（The slotted eye does not influence cylinder Cover blocks fluid-mixing）It is without hindrance to emerge.

Barrel cover in pressure cooker of the present invention can block the fluid-mixing sprayed from pressure limiting valve, and remaining fluid-mixing can be with It is without hindrance to emerge（Rather than ejection）, make remaining fluid-mixing be not in spray regime, so that pressure cooker of the present invention has Antispray function.Meanwhile, fluid-mixing in the profit formed in the barrel cover of pressure cooker of the present invention can be collected in holding groove, Without overflow on the surface of pot cover, so as to from increasing heat energy loss when pressure cooker is cooked；The profit does not accumulate in limit yet The bottom the week side of boss of pressure valve, so as to the normal steam discharge from influenceing pressure limiting valve.Furthermore, do not turn into profit in the barrel cover of pressure cooker of the present invention Remaining fluid-mixing can be emerged with without hindrance, make the gas pressure inside and outside barrel cover almost identical, so that the remnants in barrel cover Fluid-mixing does not interfere with the normal steam discharge of pressure limiting valve yet.Also, because barrel cover has blocked the fluid-mixing sprayed from pressure limiting valve, and Exhaust noise can be weakened outwardly to propagate, pressure cooker exhaust noise of the present invention is suitably reduced.

In a word, pressure cooker of the present invention can realize antispray and collect the function of profit and noise-reducing, and fluid-mixing is in this hair The profit and remaining fluid-mixing that are generated in the barrel cover of bright pressure cooker do not affect the normal steam discharge of pressure limiting valve, can ensure that high pressure Pot safe handling, so as to overcome prior art easily exist defect, solve pressure cooker cook use when easily exist ask Topic.

The practicality rational in infrastructure of institute's structure sets in pressure cooker of the present invention antispray and collection profit, handling are easy, using more Safety convenient, it is easy to which pressure cooker of the present invention is supported the use and is conducive to the popularization and application of pressure cooker of the present invention.

Brief description of the drawings

Fig. 1 is the organigram of the embodiment of the present invention one.

Fig. 2 is the right view of Fig. 1（It is local）.

Fig. 3 is the organigram of the embodiment of the present invention two（Pot is omitted to illustrate）.

Fig. 4 is the top view of the set shoulder 4 in Fig. 3.

Fig. 5 is the organigram of the embodiment of the present invention three（Pot is omitted to illustrate）.

Fig. 6 is the organigram of the embodiment of the present invention four（Pot is omitted to illustrate）.

Fig. 7 is the top view of the set shoulder 4 in Fig. 6.

Fig. 8 is the common right view of Fig. 3, Fig. 5 and Fig. 6.

Fig. 9 is the upward view of barrel cover 2 in Fig. 1, Fig. 3, Fig. 5 and Fig. 6 and holding groove 3.

Figure 10 is the top view of the silencer cover 5 in Fig. 3, Fig. 5 and Fig. 6.

In figure：Pot cover 1, pot 10, bonnet 11, cap aperture 12, block set 13, barrel cover 2, holding groove 3, internal ring wall 31, through hole 311, bottom land 32, overfall 33 covers shoulder 4, covers hole 41, plush copper 42, concane gap 43, silencer cover 5, cover through hole 51, groove 52, steam discharge Hole 53, ring set 6.

Specific embodiment

The present invention is described in detail with reference to the accompanying drawings and examples.

Embodiment one

The pressure feedback antispray of the embodiment of the present invention one and the pressure cooker of collection profit（Construction is shown in Fig. 1, Fig. 2 and Fig. 9.Below Also referred to as：Pressure cooker of the present invention or this pressure cooker）, the pot with pressure limiting valve for including the pot 10 of pressure cooker and matching with it Lid 1, has around the pressure limiting valve barrel cover 2 for being used to block the fluid-mixing sprayed from pressure limiting valve of a week on the pot cover 1；It is above-mentioned The bottom of barrel cover 2 be provided with pot cover 1 around the pressure limiting valve bonnet holding groove 3 in annulus flute profile of 11 1 weeks；It is above-mentioned to hold Access slot 3 by barrel cover 2 barrel and cylindrical circular internal ring wall 31 with through hole 311 on its inside and be attached in The bottom land 32 in annular between both bottoms is constituted；The minimum-value aperture of above-mentioned through hole 311 is more than the upper end of bonnet 11 Maximum outside diameter, so that barrel cover 2 and the kink of 3 via through holes of holding groove 311 are in the periphery of bonnet 11, and makes internal ring wall 31 with bonnet 11 There is suitable gap between the week side of boss；The height and position on all edges in the upper end of above-mentioned internal ring wall 31 is less than the lower edge of pressure limiting bonnet bore 12 Relevant position, so that the fluid-mixing sprayed from pressure limiting bonnet bore 12 passes through holding groove 3 from the top of internal ring wall 31 In superjacent air space；There is suitable spacing, so that holding groove 3 has presetting capacity between above-mentioned barrel cover 2 and internal ring wall 31； Its construction features is：Above-mentioned barrel cover 2 and holding groove 3 be supported on the surface of pot cover 1 through the bottom of the internal ring wall 31 and with The contact connection of pot cover 1.

The upper end of above-mentioned barrel cover 2 is preferably open ports.Appropriately sized and fitness number can be offered in barrel cover of the invention The slotted eye of amount, so that remaining, fluid-mixing is without hindrance emerges, as long as the position set by the slotted eye does not influence barrel cover to mix ejection The interflow body effectively effect of blocking can.And preferably its upper end of the barrel cover in the present embodiment is the barrel cover 2 of open ports, it is good that it has Locate be：（1）Remaining fluid-mixing is more beneficial for be emerged from the top of barrel cover 2 is without hindrance, and be conducive to the fluid-mixing faster by Smoke exhaust ventilator suction discharge；（2）Slotted eye need not be set from the side wall cloth of barrel cover 2, makes barrel cover more reasonable structure and manufacture craft simpler Single, antispray effect more preferably, is used and cleaned and be also more convenient；（3）The height of barrel cover 2 may be selected to change the drop of exhaust noise Low amplitude, acquisition needs the exhaust noise of size so that operator is easy to perceive the working condition of pressure cooker, and is conducive to operation Person to cooking in pressure cooker make suitable wish firepower regulation and control；（4）Be in the upper end of barrel cover 2 set other components and Realize that corresponding function provides condition.

The above-mentioned construction of the pressure cooker of the embodiment of the present invention one has following effects.

Cook using the pressure cooker of the present embodiment one, when pressure cooker pressure limiting steam discharge, from the mixing that pressure limiting bonnet bore 12 sprays Fluid skims over all edges in upper end of internal ring wall 31 and is blocked by barrel cover 2, prevents the fluid-mixing from being directly injected into the periphery of pressure cooker In space；And the fluid-mixing be blocked after barrel cover 2 madial wall formed profit downwards drop down when flow into holding groove 3. Meanwhile, fit clearance of the fluid-mixing also between pressure limiting valve bonnet 12 and block set 13 sprays downwards, the portion of combined stream scale of construction It is less, and if it is also easily vaporized in forming a small amount of profit on the surface of pot cover 1, or the seam coordinated from the bottom land 32 and pot cover 1 Seepage and vaporization in gap, i.e., a small amount of profit being likely to form by the portion of combined stream body will not form accumulation on the surface of pot cover 1 State, makes the bottom the week side of boss of bonnet 11 from accumulation profit.That is, the pressure cooker of the present embodiment one can make the mixed flow sprayed from pressure limiting valve Body is collected in the holding groove 3 of this pressure cooker in the profit that the madial wall of barrel cover 2 is formed, and the not remaining mixed flow as profit Body is then emerged with gas form from the open upper end of barrel cover 2 is mouthful without hindrance.

To be more easily performed the pressure cooker of the embodiment of the present invention one and applying, on the basis of above-mentioned construction, its is further It is configured to：There is suitable height, so that bottom land between the downside of bottom land 32 of above-mentioned holding groove 3 and the bottom face of internal ring wall 31 There is suitable gap between 32 downsides and the surface of pot cover 1；The bottom of internal ring wall 31 is provided with several positioned at the lower section of bottom land 32 Overfall 33, so as to be that profit on the surface of pot cover 1 enclosed in internal ring wall 31 can be from overfall 33 and through bottom land 32 and pot Gap outflow between lid 1.

Overfall 33 and the gap between bottom land 32 and pot cover 1 that institute's structure sets, both cooperate can realize there is following work With：（1）When the fit clearance between the bonnet 12 and block set 13 of high-pressure cooker pressure limiting valve of the present invention is larger or abnormal steam discharge shape occurs During state, and make from the bottom of pressure limiting valve bonnet 11 spray fluid-mixing and its on the surface of pot cover 1 formed profit amount it is larger, then Overfall 33 that the fluid-mixing and profit can set through institute's structure in the present embodiment and the gap between bottom land 32 and pot cover 1 are swimmingly Discharge, in case the normal steam discharge of influence pressure limiting valve, and make pressure cooker of the present invention that there is stronger use adaptability, further overcome The defect for easily existing in the prior art；（2）When pressure cooker of the present invention be in continue vigorous fire cook state when, or because of user Temporarily it is negligent of management and control, and makes to have gathered the profit for setting capacity more than it in holding groove 3, the over capacity profit can be from internal ring wall 31 Upper end week along overflow on the surface of pot cover 1 of gusset in internal ring wall 31, and can be through between overfall 33 and bottom land 32 and pot cover 1 Gap overflow on the surface of pot cover 1 of the periphery of barrel cover 2 so that the profit is from accumulating in the bottom the week side of boss of pressure limiting valve；（3）. Match somebody with somebody jointly with above-mentioned gap relative to can also make other constructions of the over capacity profit overflow, the overfall 33 in the present embodiment three Close, the flow that the over capacity profit can be made to be passed through after overflowing is longer, the profit is more fully vaporized, and makes pressure cooker of the present invention More quickly and effectively radiate, speed is lost in slow down the vaporization of the soup in pressure cooker of the present invention, so that pressure cooker of the present invention can be The safe handling of longer time is obtained under harsh state.

The pressure cooker of the present embodiment one has following features：（1）Significantly different with prior art, structure sets in the present embodiment one Holding groove 3 for accepting profit, ad hoc holding groove 3 has the pressure cooker of the present embodiment one to collect and storage profit Function, makes the profit not overflow that fluid-mixing is formed on the surface of pot cover 1 and from increasing heat energy when pressure cooker is cooked Loss, the profit does not accumulate in the bottom the week side of boss of pressure limiting valve yet and from the normal steam discharge of influence pressure limiting valve, overcomes prior art The middle profit because not to being formed makees appropriate disposal or the profit disposal to being formed is incorrect and the defect that triggers.（2）With Prior art is different, and the upper end of the barrel cover 2 in the present embodiment one is open ports, is realizing antispray function and appropriateness reduction steam discharge On the basis of noise, the open upper end of the barrel cover 2 mouth can make that remaining fluid-mixing is without hindrance to emerge, and make remaining fluid-mixing The normal steam discharge of pressure limiting valve is not influenceed, so as to the defect for preferably overcoming prior art easily to exist.（3）With prior art not Together, the upper end in the present embodiment one is the barrel cover 2 of open ports with certain deadening, the barrel cover 2 of this construction, as long as suitably Changing it highly can just change the reduction amplitude of exhaust noise, with this, the specific needs of amplitude can be reduced according to exhaust noise, fit When the height of selection barrel cover 2, while having cut down exhaust noise great Yi and disturbing the adverse effect of people, and appropriate small make an uproar can be possessed Sound can make operator be easy to perceive the working condition of pressure cooker, be conducive to making the pressure cooker of the present embodiment one in cooking in time Go out the firepower regulation and control of suitable wish.（4）Between between institute's structure sets in the present embodiment one overfall 33 and bottom land 32 and pot cover 1 Gap, both cooperate and the pressure cooker of the present invention is had stronger use adaptability, and can be obtained under harsh state The safe handling of longer time.（5）The barrel cover 2 and holding groove 3 in the present embodiment one are small in the support contact surface on pot cover 1, have Heat-energy losses are reduced beneficial to the heat energy transmission speed of pot cover 1 is reduced.（6）The barrel cover 2 in the present embodiment one and 3 one-tenth of holding groove one Body is constructed, and can be moulded with plastic material, low production cost, and handling are easy, easy to clean, can boiling to the pressure cooker of the present embodiment one Food is used and offered convenience and application easy to spread.

Embodiment two

This pressure cooker of the embodiment of the present invention two（Construction is shown in Fig. 3, Fig. 4 and Fig. 8 to Figure 10）.On the basis of the embodiment of the present invention one On, the further structure of the present embodiment two is set and is constructed as below, and its benefit is also then stated, i.e.,：

Further construct 1：Above-mentioned internal ring wall 31 in enclose be provided with pot cover 1 around the pressure limiting valve set shoulder 4 of a week, it is described Set shoulder 4 is connected to the bottom of pressure limiting valve housing 13 through covering hole 41, and it is suitable to have between the set shoulder 4 and the bottom side of bonnet 11 For the spacing that fluid-mixing passes through；Internal ring wall 31 through its underpart inner sleeve together in set shoulder 4 periphery so that internal ring wall 31 is logical Suitable gap is kept between hole 311 and bonnet 11；There is suitable gap, so as to be located at set between set shoulder 4 and overfall 33 Profit on the surface of shoulder 4 can circulate from the gap.This provides a kind of better simply to limit barrel cover 2 and holding groove 3 and bonnet The limit configuration of relative position between 11, makes the gap between through hole 311 and bonnet 11 keep uniform and stable, is conducive to barrel cover 2 And holding groove 3 installation operation and use, and the profit on the surface of set shoulder 4 can be made to be not accumulated in pressure limiting valve the week side of boss, be also in The upper end of barrel cover 2 sets other components and provides condition.

Further construct 2：Above-mentioned set shoulder 4 is provided with oral area that several are evenly distributed concane gap 43 outwardly.Institute's structure If concane gap 43 make the profit overflow on the surface of pot cover 1 for falling within and enclosing in internal ring wall 31 it is more smooth flow into bottom land 32 and pot cover 1 it Between gap in, be conducive to improving the reliability for realizing above-mentioned functions.

Further construct 3：The top of above-mentioned barrel cover 2 is provided with the silencer cover 5 being sleeved on its open ports position, silencer cover 5 Center be provided with around the bonnet rounded cover through hole 51 of 11 1 weeks, and make bonnet 11 be located at cover through hole 51 in, two There is suitable steam discharge gap between person.Can be depended on actual need the silencer cover 5 set from institute's structure, further to reduce exhaust noise With enhancing antispray effect so that pressure cooker of the present invention is with more perfect function.The silencer cover 5 that institute's structure sets is more suited to bonnet 11 is in the pressure limiting valve of mushroom-shaped, and with following effect：When the mixed flow scale of construction of pressure limiting valve discharge is larger, between above-mentioned steam discharge Gap makes the gas pressure formed by remaining fluid-mixing in barrel cover 2 be more than its ambient pressure, this exhaust steam pressure to pressure cooker Raising effect is produced, and simultaneously, under the gas pressure effect in barrel cover 2, bonnet 11 obtains upward active force, and bonnet 11 is applied The active force being added on the steam drain position of pressure limiting valve housing 13 reduces and produces reduction effect to the exhaust steam pressure of pressure cooker, above-mentioned Two adverse effects are cancelled out each other without the exhaust steam pressure for improving the former setting of pressure cooker, i.e., do not influence the normal steam discharge of pressure limiting valve, from And ensure pressure cooker of the present invention and used with its original safe condition.In a word, the silencer cover 5 that institute's structure sets in pressure cooker of the present invention makes The reduction amplitude of exhaust noise can have two kinds of obvious changes of different class, i.e., make pressure cooker of the present invention using silencer cover 5 Exhaust noise is small, without using silencer cover 5, then exhaust noise is big, and the flexibly selection that can depend on actual need, prior art can be overcome The reduction amplitude of middle exhaust noise is big and does not use the defects such as inconvenience caused by malleable；Also, the silencer cover 5 that institute's structure sets with Specific cooperation and interactively between bonnet 11, silencer cover 5 is applied mechanically on pressure cooker of the present invention can not only further be reduced Exhaust noise and enhancing antispray effect, and do not influence the normal steam discharge of pressure limiting valve, solve in the prior art because by pressure limiting The use safety problem that the bonnet of valve is surrounded and easily triggered.

Further construct 4：Above-mentioned silencer cover 5 is provided with positioned at the top of holding groove 3 around the bonnet groove of 11 1 weeks 52, The bottom side of the groove 52 is provided with several circumferentially distributed exhaust holes 53.Change the size of the exhaust hole 53 that institute's structure sets Or/and quantity also can appropriate regulation exhaust noise, depend on actual need setting, is used to possess appropriately sized exhaust noise so that Operator is easy to perceive the working condition of pressure cooker of the present invention, in order to firepower regulation and control of cooking.Groove 52 and steam discharge that institute's structure sets Hole 53 is conducive to the profit generated on silencer cover 5 to fall into holding groove 3 from the lower end side of exhaust hole 53, you can fluid-mixing is existed The profit generated on silencer cover 5 is also easily accumulated in holding groove 3, is conducive to more collections of profit, is beneficial to high pressure of the present invention The use of pot；Meanwhile, in structure, realize that installation of the silencer cover 5 in barrel cover 2 is oriented to and spacing using the bottom of groove 52 week edge Effect, makes both fit structures compact, using more convenient.

Further construct 5：Above-mentioned cover through hole 51 upper end week along be located at the maximum outside diameter on the top of mushroom-shaped bonnet 11 at Next week along sustained height position.Cover through hole 51 is suitable for bonnet 11 with the above-mentioned relative position relation between the two of bonnet 11 In the pressure limiting valve of mushroom-shaped, and with following effect：（1）Expose the top of bonnet 11, easily observation silencer cover 5 and bonnet 11 Relative position state, be convenient to adjust silencer cover 5 installation site；（2）As fluid-mixing discharge rate increases, mushroom-shaped The height and position of bonnet 11 has risen, and can change the steam discharge angle and appropriate increase exhaust noise of fluid-mixing, is conducive to Operator perceives the change of pressure cooker working condition of the present invention, and is susceptible to be adapted to the firepower regulation and control of wish.

Further construct 6：Above-mentioned silencer cover 5 is made up of metal material, and be provided be tightly placed in the outer circumferential side of cover through hole 51 by The heat-insulated ring set 6 that plastic material is made, the outer circumferential side of cover through hole 51 and plastic cement ring set 6 have suitable to adapt to the height that staff is affectedly bashful Degree.Plastic cement ring set 6 has certain heat-blocking action, during pressure cooker of the present invention cooks use, can be taken noise reduction with hand Cover 5, Emergency use is convenient.

The pressure cooker of the present embodiment two has following features：（1）The set shoulder 4 with concane gap 43 that institute's structure sets is conducive to cylinder Cover 2 and holding groove 3 install spacing, and make the more smooth outflow of profit, are more beneficial for the setting of silencer cover 5.（2）What institute's structure set disappears Sound cover 5 further reduces exhaust noise and enhancing antispray effect, makes function of the invention more perfect, is conducive to high pressure of the present invention The popularization and application of pot.

Embodiment three

This pressure cooker of the embodiment of the present invention three（Construction is shown in Fig. 5 and Fig. 8 to Figure 10）, contrasted with the embodiment of the present invention two, its knot Structure difference is：Above-mentioned set shoulder 4 is integrally to be constructed with pot cover 1.

Individual member is eliminated in the construction of the present embodiment three and covers shoulder 4, and the cooperation for making local structure on pot cover 1 changes Change can just realize the conformation function of the set shoulder 4 in embodiment two, make the more compact structure of pressure cooker of the present invention, using more convenient And application easy to spread.

Other constructions and its corresponding function in the present embodiment three correspond to described in embodiment one and embodiment two, and this is not Repeat again.

Example IV

This pressure cooker of the embodiment of the present invention four（Construction is shown in Fig. 6 to Figure 10）.In the embodiment of the present invention one and the base of embodiment two On plinth, the present embodiment four provides a kind of practical barrel cover 2 and holding groove 3 is installed and is oriented to and spacing construction, i.e.,：Above-mentioned undertaking Enclosed in the internal ring wall 31 of groove 3 be provided with pot cover 1 around the pressure limiting valve set shoulder 4 of a week, set shoulder 4 is connected to through covering hole 41 The bottom of pressure limiting valve housing 13, cover shoulder 4 periphery along be provided with least three be evenly distributed raise up in circular cone The plush copper 42 of shape, plush copper 42 is located at the interior of internal ring wall 31 and encloses and be attached with set shoulder 4；Set shoulder 4 and plush copper 42 and internal ring wall 31 cooperate so that holding groove 3 and the kink of barrel cover 2 are on set shoulder 4, and make to keep suitable between internal ring wall 31 and bonnet 11 Gap；Set shoulder 4 is provided with oral area between two adjacent plush coppers 42 concane gap 43 outwardly, so as to be located on set shoulder 4 surface Profit can flow into the gap between bottom land 32 and pot cover 1 through overfall 33 from concane gap 43.

The plush copper 42 in cone that four structures of the present embodiment set is oriented to more convenient for the installation of barrel cover 2 and holding groove 3.Phase For embodiment two, because structure has set plush copper 42 and concane gap 43 on the set shoulder 4 of the present embodiment four, can not be to covering shoulder 4 and overflowing Mutual alignment relation the being restricted property requirement of head piece 33, can also make the profit on the surface of set shoulder 4 be not accumulated in pressure limiting valve bottom the week side of boss.

Other constructions and its corresponding function in example IV correspond to described in embodiment one and embodiment two, and this is no longer Repeat.

Significantly different with prior art, ad hoc holding groove makes pressure cooker of the present invention have collection in pressure cooker of the present invention The function of profit, makes profit not overflow on pot cover surface, also from accumulating in the bottom the week side of boss of pressure limiting valve, overcomes prior art The middle profit because not to being formed makees appropriate disposal or the profit disposal to being formed is incorrect and the defect that triggers, and solves The problem that pressure cooker easily exists when cooking and using.Barrel cover and holding groove in the present invention is in the support contact surface on pot cover It is small, advantageously reduce pot cover heat energy transmission speed and reduce heat-energy losses.Institute's structure sets in the present invention overfall and bottom land and pot Gap between lid, not only makes the over capacity profit of spilling from influenceing the normal steam discharge of pressure limiting valve, and be conducive to pressure cooker energy The safe handling of longer time is obtained under harsh state.The set shoulder with plush copper and concane gap that institute's structure sets in the present invention More convenient for the installation of barrel cover and holding groove, use pressure cooker of the present invention more convenient.The barrel cover that institute's structure sets in the present invention it is upper It is open ports to hold, and makes barrel cover more reasonable structure and manufacture craft simpler, make remaining fluid-mixing emerged from above barrel cover and Can faster be aspirated by smoke exhaust ventilator and discharged, and can by the reduction amplitude that changes the height of barrel cover to change exhaust noise, also for The setting of silencer cover provides advantage.Significantly different with prior art, ad hoc silencer cover makes height of the invention in the present invention Pressing the exhaust noise reduction amplitude of pot can have two kinds of selections of different class, can overcome exhaust noise reduction width in the prior art Degree does not use the defects such as inconvenience caused by malleable；Also, silencer cover is applied mechanically on pressure cooker of the present invention not only further to drop Low exhaust noise and enhancing antispray effect, make pressure cooker of the present invention have more perfect function, and do not influence pressure limiting valve Normal steam discharge, solves the use safety problem for easily triggering because the bonnet of pressure limiting valve is surrounded in the prior art.It is of the invention real The holding groove applied in example is integrally constructed with barrel cover, is loaded and unloaded and easy to clean, and can be made of plastic material molding, is produced into This is low, and can at any time be applied mechanically during pressure cooker is cooked, can be to answer easy to spread using offering convenience of cooking of pressure cooker With.

Claims (4)

1. the pressure cooker of a kind of pressure feedback antispray and collection profit, includes the pot of pressure cooker（10）And match with it The pot cover with pressure limiting valve（1）, the pot cover（1）It is upper have around pressure limiting valve one week be used to block what is sprayed from pressure limiting valve The barrel cover of fluid-mixing（2）；The barrel cover（2）Bottom be provided with positioned at pot cover（1）On around pressure limiting valve bonnet（11）One week Holding groove（3）；The holding groove（3）By the barrel cover（2）Barrel and on its inside with through hole（311）Inner ring Wall（31）And it is attached the bottom land between both bottoms（32）Three is constituted；The through hole（311）Minimum-value aperture More than bonnet（11）The maximum outside diameter of upper end, so that the barrel cover（2）And holding groove（3）Through the through hole（311）Kink in Bonnet（11）Periphery, and make the internal ring wall（31）With bonnet（11）The week side of boss between have suitable gap；The inner ring Wall（31）Upper end week edge height and position be less than pressure limiting bonnet bore（12）The relevant position of lower edge, so that from pressure limiting bonnet bore （12）The fluid-mixing of ejection is from the internal ring wall（31）Top pass through the holding groove（3）Superjacent air space in； The barrel cover（2）With the internal ring wall（31）Between have suitable spacing so that the holding groove（3）With presetting appearance Amount；The barrel cover（2）Upper end be open ports；It is characterized in that：The barrel cover（2）And holding groove（3）Through the internal ring wall （31）Bottom be supported in pot cover（1）Surface on and and pot cover（1）Contact connection；The barrel cover（2）Top be provided with fit Silencer cover on its open ports position（5）, the silencer cover（5）Center be provided with around bonnet（11）One Zhou Chengyuan The cover through hole of shape（51）, and make bonnet（11）Positioned at the cover through hole（51）It is interior, between the two with suitable steam discharge gap；

When the mixed flow scale of construction of pressure limiting valve discharge is larger, above-mentioned steam discharge gap makes barrel cover（2）It is interior by remaining fluid-mixing The gas pressure of formation is more than its ambient pressure, and this exhaust steam pressure to pressure cooker produces raising effect, and simultaneously, in barrel cover （2）Under interior gas pressure effect, bonnet（11）Obtain upward active force, bonnet（11）It is applied to pressure limiting valve housing（13）Row Active force on steam ports position reduces and produces reduction effect to the exhaust steam pressure of pressure cooker, and above-mentioned two adverse effect is cancelled out each other Exhaust steam pressure without improving the former setting of pressure cooker.

2. pressure feedback antispray according to claim 1 and collect profit pressure cooker, it is characterised in that：The noise reduction Cover（5）It is provided with positioned at the holding groove（3）Top around bonnet（11）One week groove in annular（52）, the groove （52）Bottom side be provided with several circumferentially distributed steam vents（53）.

3. pressure feedback antispray according to claim 1 and collect profit pressure cooker, it is characterised in that：The cover is logical Hole（51）Upper end week along be located at and mushroom-shaped bonnet（11）Next week at the maximum outside diameter on top is along sustained height position.

4. pressure feedback antispray according to claim 1 and collect profit pressure cooker, it is characterised in that：The undertaking Groove（3）Bottom land（32）Downside and the internal ring wall（31）Bottom face between have suitable height so that the bottom land （32）Downside and pot cover（1）There is suitable gap between surface；The internal ring wall（31）Bottom be provided with several and be located at The bottom land（32）The overfall of lower section（33）, so as to be the internal ring wall（31）The pot cover for inside enclosing（1）Profit on surface Can be from the overfall（33）And through the bottom land（32）With pot cover（1）Between gap outflow.