CN208677029U - Pressure cooker - Google Patents

Abstract

The utility model provides a kind of pressure cooker, including pot cover and pot body, and sealing ring is provided between pot cover and pot body, and limited valve is installed on pot cover, and pressure limiting valve includes: pressure limiting valve body, is installed on pot cover；Pressure limiting spool is installed in pressure limiting valve body；And seal closure, it is set between pressure limiting spool and pressure limiting valve body to be tightly connected pressure limiting spool and pressure limiting valve body；Pressure limiting spool is equipped with the seam for penetrating through the pressure limiting spool, and pressure limiting spool is made of flexible material.The utility model pressure cooker, using flexible material as pressure limiting spool, within the scope of certain pressure, the seam of pressure limiting spool is extruded closure due to the characteristic of pressure limiting spool flexible material itself, when pressure be more than certain limit, could make pressure limiting spool seam open pressure release, after pressure recovery limit value, the seam of opening is closed again, ensure that the stabilization of pot inner pressure.Using flexible material as pressure limiting spool, sealing structure is more preferable, and pressure maintaining is more stable.

Description

Pressure cooker

Technical field

The utility model relates to field of home appliance technology more particularly to a kind of pressure cookers.

Background technique

Pressure cooker because can fast cooking and its culinary art food nutrition loss less due to widespread love by people.Pressure cooker Because time saving, power saving, the advantages such as convenient to use, it has also become one of the kitchen tools of cooker industry rapid growth.Existing pressure The pressure limiting valve structure of pot is all made of hardness sealing to realize sealing state, such as rigidity spool and rigidity exhaust pipe etc., this knot Structure leakproofness is poor, the problem for be easy to causeing pressure cooker pressure maintaining bad.

Utility model content

Purpose of the utility model is to solve the above problems, provide a kind of pressure cooker, have preferable leakproofness, really Packing pressure cookware has good pressure maintaining.

In order to achieve the above object, the utility model provides a kind of pressure cooker, including pot cover and pot body, the pot cover and institute It states and is provided with sealing ring between pot body, limited valve is installed on the pot cover, the pressure limiting valve includes: pressure limiting valve body, is installed on On the pot cover；Pressure limiting spool is installed in the pressure limiting valve body；And seal closure, be set to the pressure limiting spool with it is described To be tightly connected the pressure limiting spool and the pressure limiting valve body between pressure limiting valve body；The pressure limiting spool, which is equipped with, penetrates through the pressure limiting The seam of spool, the pressure limiting spool are made of flexible material.

In an embodiment of the present invention, the seam of the pressure limiting spool is " ten " font seam.

In an embodiment of the present invention, the pot cover is equipped with relief hole, is also equipped with relief valve on the pot cover, The relief valve includes: pressure releasing valve core, is rotatably installed on the pot cover to block or expose the relief hole；Relief valve Body covers at outside the pressure releasing valve core；And compression relief cock, the pressure releasing valve core is connected to control turning for the pressure releasing valve core It is dynamic.

In an embodiment of the present invention, the pressure releasing valve core includes: rotating member, has lug boss, this has protrusion The one end in portion is rotatably installed on the pot cover, and the other end is equipped with first through hole；Fixed ring has and blocks head, described The lug boss of rotating member is connect after passing through the fixed ring with compression relief cock, and the closure head covers the upper of the first through hole End；Closeouts are equipped with and block groove, and one end of notch penetrates the first through hole, and the other end is held on the pot cover；And Pressure release spring is set in the closure groove, and the both ends of pressure release spring are held in the closure head and the closeouts respectively.

In an embodiment of the present invention, display valve is also equipped on the pot cover, the display valve includes: display valve Body is installed on the pot cover；Bonnet is shown, movably through the display valve body；Silicone rubber cover is installed on the pot cover And the pot cover is passed through, which is equipped with display groove；Show valve rod, one end connects the display bonnet, and the other end is inserted Enter the display groove, shows that the outer wall of valve rod is equipped with protruding ring；And display spring, it is sheathed on outside the display valve rod, shows Show that one end of spring is held in the display valve body, the other end is held in the protruding ring；The lateral wall of the display bonnet is set There is level-one to show that ring and second level show ring, the second level shows that being located on the level-one shows below ring.

In an embodiment of the present invention, further includes: upper handle is connect with the pot cover；Lower handle, with the pot body Connection；And self-locking mechanism, it is set between the upper handle and the lower handle, is used for sealed upper handle and lower handle.

In an embodiment of the present invention, the lower handle is equipped with locking slot, which includes the circumferential direction along pot body The locking part of the solution lock section of direction setting and the radial direction setting along pot body, the self-locking mechanism includes: push button push rod, can be lived It is installed on the upper handle dynamicly, and cooperates with the locking slot, for lockking the upper handle and the lower handle；And push rod Spring connects the push button push rod and the pot cover, for the push button push rod to be pushed into locking part from the solution lock section of locking slot； The push button push rod includes the push button portion being laterally arranged and vertically arranged push rod portion, and the push button portion is mutually solid with the push rod portion It connects, the front end in the push button portion is equipped with card slot, and the lower end in the push rod portion and the locking slot of the lower handle cooperate.

In an embodiment of the present invention, the self-locking mechanism further includes liftably being installed on stopping on the pot cover Pacify valve, should only peace valve it is corresponding with the push rod portion front end of the push button push rod, should only peace valve include only peace valve body and stop pacify spool；Its Stop peace valve body to be made of silica gel material；The valve body hole only pacified valve body and be equipped with perforation should only pacify valve body in valve body hole convex Equipped with valve seal portion；It is described only peace spool include bar portion, among bar portion only open portion, the spool set on one end of the rod is close Envelope portion and display unit set on the bar portion other end；In the valve body hole of the bar portion insertion only peace valve body of the only peace spool, The only portion of opening, which supports, terminates in the only peace valve body side, and the seal spool portion supports and terminates in the valve seal portion, the push button The card slot width in portion is greater than the outer diameter for only opening the bar portion above portion, and is less than the outer diameter for only opening portion；The upper handle The corresponding display unit is equipped with the display through-hole passed through for the display unit.

In an embodiment of the present invention, the self-locking mechanism further includes position blocking pin, screens spring and detent guide, institute It states position blocking pin to be sheathed in the push rod portion, the position blocking pin is movably arranged in the push rod portion, and the screens spring connects The detent guide and the position blocking pin are connect to pop up or retract the position blocking pin；The lower handle is equipped with matches with the position blocking pin Position blocking pin is pressed into push rod portion by the touching block of conjunction.

In an embodiment of the present invention, the self-locking mechanism further includes pressure release bar, and the pressure release bar is fixedly arranged on described Push rod portion, and the free end of pressure release bar passes through the pot cover, the push rod spring is sheathed on outside the pressure release bar.

Compared with prior art, the beneficial effect of the technical program is:

The utility model pressure cooker, using flexible material as pressure limiting spool, within the scope of certain pressure, pressure limiting spool Seam is extruded closure due to the characteristic of pressure limiting spool flexible material itself, when pressure is more than certain limit, could make pressure limiting valve The seam of core opens pressure release, and after pressure recovery limit value, the seam of opening is closed again, ensure that the stabilization of pot inner pressure.Using For flexible material as pressure limiting spool, sealing structure is more preferable, and pressure maintaining is more stable.

Detailed description of the invention

Fig. 1 is the perspective view of an embodiment of the utility model pressure cooker；

Fig. 2 is the explosive view of pressure cooker shown in Fig. 1；

Fig. 3 is the cross section view of pressure limiting valve, and seam is in closed state；

Fig. 4 is the cross section view of pressure limiting valve, is stitched in the open state；

Fig. 5 is the perspective view of pressure limiting spool, and seam is in closed state；

Fig. 6 is the perspective view of pressure limiting spool, is stitched in the open state；

Fig. 7 is the cross section view of relief valve；

Fig. 8 is the explosive view of relief valve；

Fig. 9 is the cross section view for showing valve；

Figure 10 is the explosive view for showing valve；

Figure 11 is pressure limiting valve body, pressure relief valve body and the structural schematic diagram for showing valve body；

Figure 12 is the cross section view of pot cover and upper handle；

Figure 13 is the schematic diagram of push button push rod and lower handle cooperation；

Figure 14 is the structural schematic diagram of lower handle；

Figure 15 is the structural schematic diagram of push button push rod；

Figure 16 is the cross section view for only pacifying valve；

Figure 17 is the explosive view for only pacifying valve；

Figure 18 is schematic diagram when only peace valve works normally；

Figure 19 is schematic diagram when only pacifying valve non-normal working.

Each appended drawing reference in figure are as follows:

1, pot cover, 101, relief hole, 11, pot cover groove, 2, pot body, 3, sealing ring, 4, pressure limiting valve, 41, pressure limiting valve body, 42, pressure limiting spool, 43, seal closure, 421, seam, 5, relief valve, 51, pressure relief valve body, 52, pressure releasing valve core, 53, compression relief cock, 521, rotating member, 522, fixed ring, 523, closeouts, 524, pressure release spring, 5210, bolt and nut, 5211, lug boss, 5212, First through hole, 5221, closure head, 5231, closure groove, 6, display valve, 61, display valve body, 62, display bonnet, 63, silica gel Cover, 64, display valve rod, 65, display spring, 621, level-one show ring, 622, second level show ring, 631, display groove, 641, convex Play ring, 71, upper handle, 72, lower handle, 711, display through-hole, 721, locking slot, 722, touching block, 81, push button push rod, 82, push away Bar spring, 83, position blocking pin, 84, position blocking pin spring, 85, detent guide, 86, pressure release bar, 811, push button portion, 812, push rod portion, 8111, card slot, 9, only peace valve, 91, only peace valve body, 92, only peace spool, 901, only peace groove, 911, valve body hole, 912, valve body it is close Envelope portion, 921, bar portion, 922, only open portion, 923, seal spool portion, 924, display unit.

Specific embodiment

With reference to the accompanying drawing, by specific embodiment, to the technical solution of the utility model carry out it is clear, completely retouch It states.

It please refers to shown in Fig. 1, the utility model provides a kind of pressure cooker, including pot cover 1 and pot body 2, the pot cover 1 and institute It states and is provided with sealing ring 3 between pot body 2, so as to form good sealing space in pressure cooker.

It please refers to shown in Fig. 2, limited valve 4 is installed on the pot cover 1, the pressure limiting valve 4 includes: pressure limiting valve body 41, limit Pressure valve core 42 and seal closure 43.The pressure limiting valve body 41 is installed on the pot cover 1.The pressure limiting spool 42 is installed on described In pressure limiting valve body 41.The seal closure 43 is set between the pressure limiting spool 42 and the pressure limiting valve body 41 to be tightly connected State pressure limiting spool 42 and the pressure limiting valve body 41.The pressure limiting spool 42 is equipped with the seam 421 for penetrating through the pressure limiting spool 42, described Pressure limiting spool 42 is made of flexible material.Preferably, flexible material is silica gel, but not limited to this, it is also possible to other types Flexible material.

The utility model pressure cooker, using flexible material as pressure limiting spool 42, within the scope of certain pressure, pressure limiting spool 42 seam 421 is since the characteristic of 42 flexible material of pressure limiting spool itself is extruded closure, as shown in Fig. 3,5；When pressure is more than one Fixed limit degree could make the seam 421 of pressure limiting spool 42 open pressure release, as shown in Fig. 4,6；After pressure recovery limit value, open Seam 421 be closed again, ensure that the stabilization of pot inner pressure.Using flexible material as pressure limiting spool 42, sealing structure is more Good, pressure maintaining is more stable.

Preferably, the seam 421 of the pressure limiting spool 42 is " ten " font seam.The seam 421 of the shape can allow pressure limiting valve 4 to have Have preferable pressure maintaining, not only may insure to bear certain pressure in pot, but can the timely pressure release when pressure is higher, to ensure pot Interior pressure is within limits.But not limited to this, the seam 421 of the pressure limiting spool 42 is also possible to linear type, " Y " font Or the other shapes such as " rice " font, the utility model to this with no restriction.

In order to ensure the safe handling of pressure cooker, need first to carry out pressure release to gas in pot before uncapping, it is ensured that inside and outside pot Pot cover 1 is opened after pressure is consistent again.It please refers to shown in Fig. 2, in an embodiment, the pot cover 1 is equipped with relief hole 101, described Relief valve 5 is also equipped on pot cover 1, the relief valve 5 includes: pressure releasing valve core 52, pressure relief valve body 51 and compression relief cock 53.Institute Pressure releasing valve core 52 is stated to be rotatably installed on the pot cover 1 to block or expose the relief hole 101.The pressure relief valve body 51 It covers at outside the pressure releasing valve core 52, it is ensured that the beauty of 5 shape of relief valve.The compression relief cock 53 connects the pressure releasing valve core 52 To control the rotation of the pressure releasing valve core 52.When in use, pressure releasing valve core 52 blocks relief hole 101 to pressure cooker, avoids leakage in pot Gas cannot boost.Pressure cooker, by rotating compression relief cock 53, drives pressure releasing valve core 52 to rotate, so that relief hole 101 before uncapping Expose, to carry out pressure release to gas in pot, when pot inner pressure is down to it is identical as pot external pressure when, then open pot cover 1, it is ensured that The safety used.

Please refer to Fig. 7, shown in 8, in an embodiment, the pressure releasing valve core 52 includes: rotating member 521, fixed ring 522, envelope Blocking piece 523 and pressure release spring 524.The rotating member 521 has lug boss 5211, and there is one end of lug boss 5211 can turn for this It is installed on the pot cover 1 dynamicly, the other end is equipped with first through hole 5212.Specifically, a bolt and nut 5210 passes through pot cover 1 With rotating member 521 to which rotating member 521 to be installed on pot cover 1.The fixed ring 522, which has, blocks head 5221, and described turn The lug boss 5211 of moving part 521 is connect after passing through the fixed ring 522 with compression relief cock 53, and the closure head 5221 covers institute State the upper end of first through hole 5212.The closeouts 523, which are equipped with, blocks groove 5231, and one end of notch penetrates the first through hole 5212；The other end is held on the pot cover 1, corresponding with the relief hole 101.The pressure release spring 524 is set to the closure In groove 5231, the both ends of pressure release spring 524 are held in the closure head 5221 and the closeouts 523, pressure release bullet respectively The elastic reaction of spring 524 makes closeouts 523 be pressed in the surface of pot cover 1 always, it is ensured that it can block up tight relief hole 101.

It please refers to shown in Fig. 2,9,10, in an embodiment, display valve 6, the display valve 6 is also equipped on the pot cover 1 It include: display valve body 61, display bonnet 62, silicone rubber cover 63, display valve rod 64 and display spring 65.The display valve body 61 is pacified Loaded on the pot cover 1.The display bonnet 62 is movably through the display valve body 61.The silicone rubber cover 63 is installed on institute The pot cover 1 is stated on pot cover 1 and passes through, which is equipped with display groove 631.One end of the display valve rod 64 connects institute Display bonnet 62 is stated, the other end is inserted into the display groove 631, and the outer wall of display valve rod 64 is equipped with protruding ring 641.The display Spring 65 is sheathed on outside the display valve rod 64, and one end of display spring 65 is held in the display valve body 61, and the other end supports In the protruding ring 641.The lateral wall of the display bonnet 62 is equipped with level-one and shows that ring 621 and second level show ring 622, and described two Grade display ring 622 is set to the level-one and shows 621 lower section of ring.The silicone rubber cover 63 of silica gel due to being made, in external force Under can deform, thus squeeze display valve rod 64 make show bonnet 62 rise.Under the operating pressure of setting, level-one is shown Ring 621 is emerging in outside display valve body 61, and when pot inner pressure is more than the operating pressure of setting, display valve rod 64 can rise to second level Display ring 622 is emerging in outside display valve body 61, therefore, can determine that whether pressure cooker exceeds work pressure by observation display ring Power can pause immediately using pressure cooker when observing that second level shows that ring 622 reveals, avoid that accident occurs.As it can be seen that setting Set the safety in utilization that display valve 6 increases pressure cooker.For the ease of observation, level-one being shown to, ring 621 and second level show ring 622 are set as different colours, such as level-one shows that ring 621 is green, and second level shows that ring 622 is red, so as to preferably Play the role of prompt.

Please refer to Fig. 2, shown in 11, in an embodiment, the pressure limiting valve 4, the relief valve 5 and the display valve 6 are concentrated It is mounted on a certain position on pot cover 1, in the present embodiment, is provided with a pot cover groove 11 on pot cover 1, it is the pressure limiting valve 4, described Relief valve 5 and the display valve 6 are installed in the pot cover groove 11.The pressure limiting valve body 41, the pressure relief valve body 51 and institute Stating display valve body 61 can be integral structure, and as shown in figure 11, so that structure is more compact, shape is more beautiful, but unlimited In this, the pressure limiting valve body 41, the pressure relief valve body 51 and the display valve body 61 are also possible to be provided separately three structures.

Please refer to Fig. 1,2, shown in 12-15, the pressure cooker further include: upper handle 71, lower handle 72 and self-locking mechanism. The upper handle 71 is connect with the pot cover 1.The lower handle 72 is connect with the pot body 2.The self-locking mechanism is set to described Between upper handle 71 and the lower handle 72, it to be used for sealed upper handle 71 and lower handle 72.Self-locking mechanism be set to upper handle 71 with Between lower handle 72, by operation upper handle 71 and lower handle 72 can sealed pressure cooker, it is easy to operate.

Please refer to Figure 13, shown in 14, the lower handle 72 is equipped with locking slot 721, which includes along pot body 2 The locking part of the solution lock section of circumferential direction setting and the radial direction setting along pot body 2.It please refers to shown in figure, the locking slot 721 is L-shaped.

It please refers to shown in Fig. 2,13,15, the self-locking mechanism includes: push button push rod 81 and push rod spring 82.Push button push rod 81 are movably installed on the upper handle 71, and cooperate with the locking slot 721, for lockking the upper handle 71 and described Lower handle 72.The push rod spring 82 connects the push button push rod 81 and the pot cover 1, for by the push button push rod 81 from lock The solution lock section for closing slot 721 is pushed into locking part.When closing pot cover 1, the push button push rod 81 is pushed, so that the lower end of push button push rod 81 It is inserted into the solution lock section of locking slot 721, when the lower end of push button push rod 81 is moved to the junction of solution lock section and locking part, release is pushed away Button push rod 81, then under the elastic force effect of push rod spring 82, the lower end of push button push rod 81 is moved in locking part, thus on realizing Handle 71 and lower handle 72 it is sealed.

The push button push rod 81 includes the push button portion 811 and vertically arranged push rod portion 812 being laterally arranged, the push button portion 811 are equipped with card slot 8111, the lower end in the push rod portion 812 with 812 Joint of push rod portion, the front end in the push button portion 811 Cooperate with the locking slot 721 of the lower handle 72.When carrying out sealed operation, hand push moves the push button portion 811 of the push button push rod 81, Then 812 lower end of push rod portion of push button push rod 81 is moved along 721 inner wall of locking slot.Locking slot 721 limits push button push rod 81 Moving direction, it is ensured that the safety of pressure cooker in use.

It please refers to shown in Fig. 2,12,16,17, the self-locking mechanism further includes liftably being installed on the pot cover 1 Only pacify valve 9, it is corresponding with the front end in push button portion 811 of the push button push rod 81 should only to pacify valve 9.Specifically, only pacifying the outer wall of valve 9 Equipped with only peace groove 901, the pot cover 1 blocks this and only pacifies groove 901, when pot inner pressure changes, only pacifies on valve 9 Lower movement.When Figure 18 show pressure cooker normal work, only pacify the state that valve 9 rises.

Please refer to Figure 16, shown in 17, the only peace valve 9 includes only peace valve body 91 and only peace spool 92.The only peace valve body 91 are equipped with the valve body holes 911 of perforation, should only peace valve body 91 in being convexly equipped with valve seal portion 912 in valve body hole 911.The valve body hole 911 upper end is equipped with cross groove, and the only peace spool 92 only opens portion 922 including bar portion 921, among bar portion 921, Seal spool portion 923 set on 921 one end of bar portion and the display unit 924 set on 921 other end of bar portion.The only peace spool 92 Bar portion 921 be inserted into the valve body hole 911 of the only peace valve body 91, it is described only open portion 922 and support terminate in the only peace valve body 91 1 Side, the seal spool portion 923 support and terminate in the valve seal portion 912.The only peace spool is made of hard resin material, Have the function of only to open, in the present embodiment, be made of polyhexamethylene adipamide (i.e. nylon66 fiber), only pacifies valve body 91 and use silica gel material Material is made.Under pressure cooker normal operating conditions, the seal spool portion 923 supports and terminates in the valve seal portion 912, then in pot Form sealing.When pot inner pressure is more than certain limit, after only peace 912 sealing of the valve body deformation, seal spool portion 923 is worn Valve seal portion 912 is crossed to be moved in the cross groove of 911 upper end of valve body hole, then gas can from cross groove leak out to Pressure release is only pacified spool 92 and is risen in pressure release state, only pacify valve 9 and be now in abnormal operating state as shown in figure 19.It should Only peace valve 9 plays protective effect identical with pressure limiting valve 4, that is, the pressure cooker is made to form second class protection, improves peace Full performance, will only peace spool 92 when pushing back valve seal portion 912, only pacify valve 9 and resume work state.

8111 width of card slot in the push button portion 811 is greater than the outer diameter of the bar portion 921 for only opening 922 top of portion, and small In the outer diameter for only opening portion 922, then the bar portion 921 for only opening 922 top of portion can be inserted into the card slot 8111 in push button portion 811 It is interior, and only opening portion 922 can not be inserted into card slot 8111.When the only peace spool 92 and stop the bar portion 921 above the portion that opens 922 and institute When stating the alignment of card slot 8111 in push button portion 811, push button push rod 81, to rotate upper handle 71, can open pot cover 1 to being pushed forward.When Pot inner pressure is larger, when the only peace rising of spool 92 is opened portion 922 to end and is aligned with the card slot 8111 in the push button portion 811, pushes away Bar push rod can not push forward, that is, upper handle 71 is lockable, and be not able to rotate upper handle 71 and open pot cover 1.Such structure Setting, can prevent from having in pot and open pot cover 1 when larger pressure by force, can preferably ensure the safety used.

The corresponding display unit 924 of the upper handle 71 is equipped with the display through-hole 711 passed through for the display unit 924.By It being made in stopping peace valve body 91 of silica gel, only pacifies spool 92 and be made of nylon66 fiber, two kinds of materials compare light and small volume, Therefore very light in weight, when begun to warm up in pot generate small pressure when, only pacify valve body 91 and only peace spool 92 being jacked up together, Then only the display unit 924 of peace spool 92 exposes from display through-hole 711, to prompt pressure cooker in running order.

It please refers to shown in Fig. 2, the self-locking mechanism further includes position blocking pin 83, screens spring 84 and detent guide 85, described Detent guide 85 is set in the push rod portion 812, and the position blocking pin 83 is movably arranged in the push rod portion 812, the card Position spring 84 connects the detent guide 85 and the position blocking pin 83 to pop up or retract the position blocking pin 83.The lower handle 72 Equipped with the touching block 722 cooperated with the position blocking pin 83, position blocking pin 83 is pressed into push rod portion 812.When the position blocking pin 83 When contacting with the touching block 722, the position blocking pin 83 is pressed into push rod portion 812, then is acted in the elastic force of push rod spring 82 Under, the lower end of push button push rod 81 is moved to locking part rear end, so that pot cover 1 is sealed in place.If the non-rotational alignment of upper handle 71 Lower handle 72, then position blocking pin 83 is not readily accessible to the touching block 722, then position blocking pin 83 is always positioned at outside push rod portion 812, thus Push button portion 811 is prevented to be moved to locking part rear end, then pot cover 1 is not sealed in place.

Please refer to Figure 12, shown in 15, the self-locking mechanism further includes pressure release bar 86, and the pressure release bar 86 is fixedly arranged on described push away Bar portion 812, and the free end of pressure release bar 86 passes through the pot cover 1, the push rod spring 82 is sheathed on outside the pressure release bar 86.When upper When handle 71 and lower handle 72 are not closed in place, the sealing ring 3 between pot cover 1 and pot body 2 is withstood in 86 free end of pressure release bar, so that close Seal 3 can not playback, and be in exhaust condition, and pressure cooker can not work.The push rod spring 82 is sheathed on outside the pressure release bar 86.

The working principle of the utility model pressure cooker are as follows: when closing pot cover 1, push the push button portion of push button push rod 81 forward 811, so that the push rod portion 812 of push button push rod 81 protrudes into locking slot 721 from solution lock section, when upper handle 71 and lower handle 72 do not close When position, push button push rod 81 is located at the solution lock section of locking slot 721 and the junction of locking part, and the card slot 8111 of push button push rod 81 is located at Only pacify the top for only opening portion 922 of spool 92, only peace valve 9 rises for prevention, and only pacify valve 9 at this time and is in normally open, simultaneously as Upper handle 71 and lower handle 72 do not close in place, and sealing ring 3 is withstood in 86 front end of pressure release bar, so that sealing ring 3 can not playback, in row Gaseity, therefore pressure cooker can not work.When upper handle 71 and lower handle 72 close in place, position blocking pin 83 connects with touching block 722 Touching, position blocking pin 83 are pressed into push rod portion 812, unclamp push button push rod 81, then under the elastic force effect for pushing away torsion spring, push button push rod 81 lower end is moved in locking part, and sealing ring 3 playbacks at this time, and highest point can be risen to by only pacifying valve 9, is only pacified valve 9 and is in normal Closed state, pot inner sealing start to work normally.Pot in begin to warm up boosting, only pacify spool 92 display unit 924 from show through-hole 711 expose, and prompt pressure cooker in running order.When reaching certain pressure in pot, pressure limiting valve 4 starts exhaust work, at this point, Display bonnet 62 also increases according to pot inner pressure and is gradually risen, and when second level shows that ring 622 reveals, prompts pot inner pressure Maximum value is reached, firepower should be reduced.

Although the utility model has been described by way of example and in terms of the preferred embodiments, but it is not to appoint for limiting the utility model What those skilled in the art without departing from the spirit and scope of the utility model, may be by the method and skill of the disclosure above Art content makes possible variation and modification to technical solutions of the utility model, therefore, all without departing from the utility model technology The content of scheme, it is made by the above technical examples according to the technical essence of the present invention it is any it is simple modification, equivalent variations and Modification, belongs to the protection scope of technical solutions of the utility model.

Claims (10)

1. a kind of pressure cooker, including pot cover and pot body, are provided with sealing ring between the pot cover and the pot body, feature exists In installing limited valve on the pot cover, the pressure limiting valve includes:

Pressure limiting valve body is installed on the pot cover；

Pressure limiting spool is installed in the pressure limiting valve body；And

Seal closure is set between the pressure limiting spool and the pressure limiting valve body to be tightly connected the pressure limiting spool and the limit Pressure valve body；

The pressure limiting spool is equipped with the seam for penetrating through the pressure limiting spool, and the pressure limiting spool is made of flexible material.

2. pressure cooker according to claim 1, which is characterized in that the seam of the pressure limiting spool is " ten " font seam.

3. pressure cooker according to claim 1, which is characterized in that the pot cover is equipped with relief hole, goes back on the pot cover Relief valve is installed, the relief valve includes:

Pressure releasing valve core is rotatably installed on the pot cover to block or expose the relief hole；

Pressure relief valve body covers at outside the pressure releasing valve core；And

Compression relief cock connects the pressure releasing valve core to control the rotation of the pressure releasing valve core.

4. pressure cooker according to claim 3, which is characterized in that the pressure releasing valve core includes:

Rotating member has lug boss, and there is one end of lug boss to be rotatably installed on the pot cover for this, and the other end is equipped with the One through-hole；

Fixed ring has and blocks head, and the lug boss of the rotating member is connect after passing through the fixed ring with compression relief cock, described Block the upper end that head covers the first through hole；

Closeouts are equipped with and block groove, and one end of notch penetrates the first through hole, and the other end is held on the pot cover；With And

Pressure release spring is set in the closure groove, and the both ends of pressure release spring are held in the closure head and the envelope respectively Blocking piece.

5. pressure cooker according to claim 1, which is characterized in that be also equipped with display valve, the display on the pot cover Valve includes:

It shows valve body, is installed on the pot cover；

Bonnet is shown, movably through the display valve body；

Silicone rubber cover, is installed on the pot cover and passes through the pot cover, which is equipped with display groove；

Show valve rod, one end connects the display bonnet, and the other end is inserted into the display groove, shows that the outer wall of valve rod is equipped with Protruding ring；And display spring, it is sheathed on outside the display valve rod, shows that one end of spring is held in the display valve body, separately One end is held in the protruding ring；

The lateral wall of the display bonnet is equipped with level-one and shows that ring and second level show ring, and the second level, which is shown, is located on the level-one It shows below ring.

6. pressure cooker according to claim 1, which is characterized in that further include:

Upper handle is connect with the pot cover；

Lower handle is connect with the pot body；And self-locking mechanism, it is set between the upper handle and the lower handle, for locking Close handle and lower handle.

7. pressure cooker according to claim 6, which is characterized in that the lower handle is equipped with locking slot, which includes The locking part of the solution lock section and the radial direction setting along pot body that are arranged along the circumferential direction of pot body, the self-locking mechanism include:

Push button push rod, is movably installed on the upper handle, and cooperates with the locking slot, for lock the upper handle and The lower handle；And push rod spring, connect the push button push rod and the pot cover, for by the push button push rod from locking slot Solution lock section is pushed into locking part；

The push button push rod includes the push button portion being laterally arranged and vertically arranged push rod portion, the push button portion and the push rod portion Joint, the front end in the push button portion are equipped with card slot, and the lower end in the push rod portion and the locking slot of the lower handle cooperate.

8. pressure cooker according to claim 7, which is characterized in that the self-locking mechanism further includes liftably being installed on institute State on pot cover only peace valve, should only peace valve it is corresponding with the push rod portion front end of the push button push rod, should only peace valve include stop pacify valve body With only peace spool；It stops peace valve body and is made of silica gel material；

The only peace valve body is equipped with the valve body hole of perforation, should only peace valve body in being convexly equipped with valve seal portion in valve body hole；

It is described only peace spool include bar portion, among bar portion only open portion, set on one end of the rod seal spool portion and set In the display unit of the bar portion other end；

In the valve body hole of the bar portion insertion only peace valve body of the only peace spool, the only portion of opening, which supports, terminates in the only peace valve body Side, the seal spool portion support the valve seal portion that terminates in, and the card slot width in the push button portion is greater than described stop and opens in portion The outer diameter of the bar portion of side, and it is less than the outer diameter for only opening portion；

The upper handle corresponds to the display unit and is equipped with the display through-hole passed through for the display unit.

9. pressure cooker according to claim 7, which is characterized in that the self-locking mechanism further includes position blocking pin, screens spring With detent guide, the position blocking pin is sheathed in the push rod portion, and the position blocking pin is movably arranged in the push rod portion, institute It states screens spring and connects the detent guide and the position blocking pin to pop up or retract the position blocking pin；The lower handle be equipped with The touching block of the position blocking pin cooperation, position blocking pin is pressed into push rod portion.

10. pressure cooker according to claim 7, which is characterized in that the self-locking mechanism further includes pressure release bar, the pressure release Bar is fixedly arranged on the push rod portion, and the free end of pressure release bar passes through the pot cover, and the push rod spring is sheathed on outside the pressure release bar.