CN207012089U

CN207012089U - Safety valve for high-pressure cooker

Info

Publication number: CN207012089U
Application number: CN201720084501.1U
Authority: CN
Inventors: 王军川; 金永钟
Original assignee: Ningbo Huabao Food Electrical Technology Co Ltd
Current assignee: Ningbo Huabao Food Electrical Technology Co Ltd
Priority date: 2017-01-19
Filing date: 2017-01-19
Publication date: 2018-02-16
Anticipated expiration: 2027-01-19

Abstract

A kind of safety valve for high-pressure cooker, it includes body（1）, the body（1）Inside it is provided with the first inlet channel（2）, the second inlet channel（3）, First Transition hole（4）, the second transitional pore（5）, the first valve opening（6）, the second valve opening（7）, the first outlet passageway（8）With the second outlet passageway（9）, first inlet channel（2）Pass through First Transition hole（4）With the first valve opening（6）With the first outlet passageway（8）Connection, the second inlet channel（3）Pass through the second transitional pore（5）With the second valve opening（7）With the second outlet passageway（9）Connection；First valve opening（6）Inside it is provided with the first valve element（10）With the first valve element of confession（10）The first elastic component resetted（11）；Second valve opening（7）Inside set the second valve element（12）With the second valve element of confession（12）The second elastic component resetted（13）；First elastic component（11）With the second elastic component（13）Restoring force it is different；Compared with prior art, there is in pot object to be not easily accessible passage, be not easy to be corroded by water or oil smoke and the characteristics of stability in use is preferable for the utility model.

Description

Safety valve for high-pressure cooker

Technical field

The utility model belongs to pressure cooker security technology area, is used more particularly to a kind of pressure cooker with pressure cooker pressure release Safety valve.

Background technology

Pressure cooker is called pressure cooker, and is referred to as electric pressure cooking saucepan with electrically heated, and electric pressure cooking saucepan is conventional high-tension pot and electric meal The upgraded product of pot, the advantages of it combines pressure cooker and electric cooker, controlled using elastic pressure, dynamic sealing, outward turning New technology, the new constructions such as lid, the controllable electric switch of displacement, the hermetically sealed cooking, pressure continuously adjustabe, thoroughly solve pressure cooker Safety problem, relieve the potential safety hazard of general pressure cooker puzzlement consumer for many years；Its thermal efficiency is more than 80%, time saving power saving（Than Ordinary electric rice cooker economize on electricity more than 30%）.

Relief valve, after the air pressure in pot rises to certain value, the valve of relief valve are all carried on the pot cover of electric pressure cooker Core carries out rotation pressure release in the presence of by thrust gas, can run into the stuck phenomenon of relief valve core sometimes certainly, In order to prevent quick-fried pot, existing electric pressure cooker all carries safety valve, exactly in order to prevent that relief valve core is stuck when play preparation The effect of pressure release, but general electric pressure cooker is substantially by relief valve pressure release, safety valve seldom can use arrive, if time mistake Long, due to being corroded for a long time by oil smoke and water, the valve of safety valve gets rusty easily even stuck, or is using process In, the object in pot is easily accessible in safe valve passage and the passage of blocking safety valve so that is blocked in relief valve urgent In the case of, the safety valve of many pressure cookers does not have the effect of safety relief at all, and safety valve is also and dangerous.

The content of the invention

The utility model provides object in a kind of pot for problem above and is not easily accessible passage, is not easy to be invaded by water or oil smoke Erosion and the preferable safety valve for high-pressure cooker of stability in use.

The utility model solve problem above used in technical scheme be：A kind of pressure cooker with following structure is provided to use Safety valve, it includes body, the first inlet channel, the second inlet channel, First Transition hole, the second transition is provided with the body Hole, the first valve opening, the second valve opening, the first outlet passageway and the second outlet passageway, first inlet channel and the second air inlet are led to Road connects with First Transition hole and the second transitional pore respectively, first outlet passageway and the second outlet passageway respectively with the first valve Hole connects with the second valve opening；The First Transition hole and the second transitional pore connect with the first valve opening and the second valve opening respectively, and first The aperture of valve opening is more than the aperture in First Transition hole, and the aperture of the second valve opening is more than the aperture of the second transitional pore；First valve The first valve element for being used for blocking and open First Transition hole is provided with hole, and is additionally provided with the first valve opening for the first valve core reset First elastic component；It is provided with second valve opening and is used for the second valve element that the second transitional pore is blocked and opened, and in the second valve opening It is additionally provided with the second elastic component for the second valve core reset；First elastic component is different from the restoring force of the second elastic component.

After above structure, compared with prior art, the utility model is due to there is provided two inlet channels and correspondingly Two valve elements, and the Opening pressure of two valve elements is different, then overall to be attached in the body of high-pressure cooker cover, is using Cheng Zhong, it is not easy to be corroded by the long-time of oil smoke or water, is also just less prone to stuck situation；And again due to logical there is provided two Road, and the unlatching pressure of two passages is different, then when relief valve blocks, when reaching opening pressure of safety valve, passage is opened all the way Pressure release is opened, such pressure release flow is more moderate so that the object in pot is not easily accessible passage, is also just less prone to passage and blocks up The situation of plug.And when the temperature anomaly rise of pot, control panel understands deenergization so as to ensure the use of electric pressure cooking saucepan Safety, once and safety valve pressure release passage also blocks all the way, also another way pressure release passage come ensure the use of electric pressure cooking saucepan pacify Quan Xing, two-way pressure release passage is completely uncorrelated, easy stopping state when can also eliminate safety valve pressure release so that in cleaning relief valve Electric pressure cooking saucepan remains to normal use afterwards（This binary channels adds the mentality of designing of different vent pressures and existing pressure release mentality of designing It is entirely different, flow when safety valve on the market is for increasing pressure release at present, how in the very first time by the gas in pot Body is discharged, and two kinds of situations are frequently can lead to after so setting, and one kind is due to that flow is larger, and suction is also larger, and passage is easily By the solid blockade of pot；Another kind is that gas and liquid are quickly discharged in pot, causes pot to burn out or remain in passage Solidified and blocking channel after interior liquid cooling so that pressure cooker can not use）, so as to extend the use longevity of electric pressure cooking saucepan Life.Therefore the utility model there is in pot object to be not easily accessible passage, be not easy to be corroded by water or oil smoke and stability in use compared with The characteristics of good.

As an improvement, the axis of the axis and the first inlet channel in the First Transition hole is mutually perpendicular to, second mistake The axis of the axis and the second inlet channel that cross hole is mutually perpendicular to, the axis of first valve opening and the axis difference of the second valve opening With the axis in First Transition hole and the diameter parallel of the second transitional pore；First valve opening and the second valve opening are respectively the two of body Side opening, the both sides of the body are respectively equipped with the first end cap and the second end cap, and the first end cap and the second end cap respectively with this The both sides sealing connection of body, described first elastic component one end are supported to close and covered in first end, and the first elastic component other end, which supports, to be closed the On one valve element, described second elastic component one end, which is supported, is closed on the second end cap, and the second elastic component other end, which supports, to be closed on the second valve element； First outlet passageway and the second outlet passageway are respectively positioned at the top of the first inlet channel and the second inlet channel；Then so Compact-sized after setting, small volume, structure is simpler, easily processed into type and assembling, so as to reduce production cost；It is and clear During reason, end cap, which is opened, to be cleared up, and later maintenance is more convenient.

As a further improvement, the axis of first valve opening and the axis axle with First Transition hole respectively of the second valve opening The diameter parallel of line and the second transitional pore is on the same line；Then so set after, valve element be bonded with step surface after sealing surface More uniform, sealing effectiveness is preferable, while is also easy to set core-pulling mechanism on mould, reduces mold design difficulty and is designed to This, and the yield rate in injection is improved, so as to further reduce production cost.

As a further improvement, the both sides of the body are respectively equipped with first annular indent and the second annular indent, it is described The internal diameter of first annular indent and the internal diameter of the second annular indent are respectively greater than the aperture of the first valve opening and the aperture of the second valve opening, And first annular indent and the second annular indent connect with the first valve opening and the second valve opening respectively, the first annular indent and Second ring indent connects with the first outlet passageway and the second outlet passageway respectively；The axis and the second ring of the first annular indent The axis of shape indent respectively with the axis of the axis of the first valve opening and the second valve opening on the same line；First end cap and Two end caps cover the recess in first annular interior recess and the second annular respectively；The aperture of first outlet passageway and second goes out The aperture of gas passage is respectively greater than the aperture of the first inlet channel and the aperture of the second inlet channel；After then so setting, letting out During pressure, liquid-vapor mixture can pass through annular indent and be discharged from outlet passageway, and after pressure release terminates, in outlet passageway and annular The liquid of recessed middle residual can because of the effect of gravity runner annular indent lower position, therefore even if liquid solidification after nor affect on Outlet passageway and annular indent normal pressure release work, further improve stability in use of the present utility model and safe to use Property, and increase the service life.

As a further improvement, in one end end and the second annular of the first annular indent away from the first outlet passageway One end end of recessed remote second outlet passageway is equipped with reaming, is respectively equipped with first end cap and the second end cap and first Reaming coordinates raised with the first projection of reaming cooperation in the second annular indent and second in annular indent, first projection Free end is located in the reaming in first annular indent, and the described second raised free end is located at the reaming in the second annular indent In；The end face of nearly first valve opening of first end cap is provided with first annular groove, the axis of the first annular groove and On the same line, and the internal diameter of first annular groove is more than or equal to the first raised external diameter to one raised axis；Described second The end face of nearly second valve opening of end cap is provided with the second annular groove, the axis of second annular groove and the second raised axis On the same line, and the internal diameter of the second annular groove is more than or equal to the second raised external diameter；After then so setting, it is easy to end cap Positioning during installation, production efficiency is improved, while can also increase the anti-vertical shearing power of end cap, increase the connective stability of end cap, And after annular groove is set, even if flatness is not high on body end face, it is also possible to so that the end face of end cap and the end face of body are pasted Close it is even closer, on the premise of using effect is ensured, reduce processing cost.

As further improving, the first end is covered provided with stepped hole, and stepped hole runs through the first end cap, described The macropore in rank hole is located at one end of nearly body；First valve element includes valve rod, and described valve rod one end is slidably connected at the first valve In hole, the valve rod other end is slidably connected in stepped hole；Described valve rod one end is provided with baffle plate, described first elastic component one end and gear Plate, which supports, to be closed, and the first elastic component other end is supported with the step surface in stepped hole and closed, in the first elastic component nature, valve rod one end End face and the first valve opening and First Transition hole between step surface gluing, sealing；The structure of second end cap and the second valve element It is identical with the structure of the first end cap and the first valve element；Material reducing groove is equipped with first end cap and the second end cap；Then so After setting, the overall parts of valve element are less, and simple in construction, use reliability is preferable, and cost is relatively low；And after stepped hole is set, So that the stroke change of valve rod is big, the amplitude not only turned on is larger, and also causes the requirement to elastic component also just to reduce, and exists from realization Production cost is also reduced on the premise of improving draining effect；And the structure of the second end cap and the second valve element with the first end cap and The structure of first valve element is identical, can not only reduce die sinking cost, can also reduce storage and cost of transportation, moreover it is possible to improve worker's Organizational efficiency, production cost is greatly reduced so as to see；And after material reducing groove is set, raw material can be saved, so as to reduce cost.

As a further improvement, the both sides of the body are respectively equipped with first annular raised and the second annular protrusion, it is described First annular raised internal diameter is equal to the aperture of the first valve opening, and the first annular raised external diameter covers less than or equal to first end The internal diameter of stepped hole macropore；The second annular protrusion internal diameter is equal to the aperture of the second valve opening, second annular protrusion it is outer Footpath is less than or equal to the internal diameter of the second end cap top bar hole macropore；First annular raised and second annular protrusion is respectively positioned at the One end is covered in the macropore of stepped hole and the macropore in the second end cap top bar hole；The stepped hole also includes mesopore and aperture, institute The aperture for stating mesopore is less than the aperture of macropore and more than the aperture of aperture, the first elastic component other end and mesopore in stepped hole Step surface between aperture, which supports, to be closed, and the valve rod other end is slidably connected with aperture；After then so setting so that the stroke of valve rod Become big, the amplitude not only turned on is larger, and also causes the requirement to elastic component also just to reduce, and draining effect is being improved from realizing Under the premise of also reduce production cost, also can further improve the intensity of the anti-vertical shearing power of end cap so that end cap connection after Stability is more preferable.

As further improving, the taper of annular is equipped with the step surface in the stepped hole between aperture and mesopore Projection, and the internal diameter of tapered protrusion is equal to the aperture of aperture；First elastic component and the second elastic component are spring, the first bullet Property part is socketed on valve rod；After then so setting, in assembling, tapered protrusion plays the role of a guiding to spring so that bullet Spring is easier to be encased in correct position, can improve the packaging efficiency of worker, and in use, in the limit of tapered protrusion Under position, situation or the situation of abnormal unlatching that spring is less prone to displacement and blocks valve rod, so as to ensure the utility model Stability in use.

As further improving, the one end of the valve rod away from the first elastic component is provided with sealing gasket；Then sealing gasket is set Afterwards so that while sealing effectiveness is more preferable, can also reduce the request to step surface evenness, so as to reduce difficulty of processing, enter one Step reduces production cost.

As a further improvement, first inlet channel and the second inlet channel are intrinsic lower section, the body Lower section be provided with that T fonts are raised, the lower end of first inlet channel and the second inlet channel is in the raised lower surface of T fonts Opening, the raised step surface of the T fonts are provided with the 3rd annular groove, " well " font on the lower surface of the T fonts projection Open slot；After then so setting, after sealing gasket is set on the 3rd annular groove, the sealing of body and pot cover may be such that more It is good, and again due to there is the open slot of " well " font on lower surface, then in excretion, the liquid-vapor mixture in pot can be from T fonts The surrounding of raised lower end and lower section enter inlet channel, and the suction of inlet channel is also just relatively scattered, in the absence of to a direction The king-sized situation of suction, therefore the probability that pot endoparticle thing enters inlet channel can be greatly decreased, so as to significantly drop The blocked probability of low inlet channel.

Brief description of the drawings

Fig. 1 is the structural representation of the utility model safety valve for high-pressure cooker.

Fig. 2 is the upward view of the utility model safety valve for high-pressure cooker.

Fig. 3 is the sectional view of the line A-A along Fig. 1.

Fig. 4 is the enlarged drawing of part B in Fig. 3.

Fig. 5 is the partial exploded view of the utility model safety valve for high-pressure cooker.

As shown in the figure：1st, body, the 2, first inlet channel, the 3, second inlet channel, 4, First Transition hole, the 5, second transition Hole, the 6, first valve opening, the 7, second valve opening, the 8, first outlet passageway, the 9, second outlet passageway, the 10, first valve element, 10.1, valve rod, 11st, the first elastic component, the 12, second valve element, the 13, second elastic component, the 14, first end cap, the 15, second end cap, in the 16, second annular Recessed, the 17, second annular indent, 18, reaming, 19, first is raised, and 20, second is raised, and 21, first annular groove, the 22, second ring Connected in star, 23, stepped hole, 24, baffle plate, 25, material reducing groove, 26, first annular projection, the 27, second annular protrusion, 28, taper it is convex Rise, 29, sealing gasket, 30, T fonts it is raised, the 31, the 3rd annular groove, 32, open slot.

Embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is described further.

Embodiment one

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, there is provided a kind of safety valve for high-pressure cooker, it includes body 1, described The first inlet channel 2, the second inlet channel 3, First Transition hole 4, the second transitional pore 5, the first valve opening 6, the second valve are provided with body 1 Hole 7, the first outlet passageway 8 and the second outlet passageway 9, the inlet channel 3 of the first inlet channel 2 and second respectively with the first mistake Hole 4 is crossed to connect with the second transitional pore 5, the outlet passageway 9 of the first outlet passageway 8 and second respectively with the first valve opening 6 and second Valve opening 7 connects；The transitional pore 5 of First Transition hole 4 and second connects with the first valve opening 6 and the second valve opening 7 respectively, the first valve opening 6 aperture is more than the aperture in First Transition hole 4, and the aperture of the second valve opening 7 is more than the aperture of the second transitional pore 5；First valve The first valve element 10 for being used for blocking and open First Transition hole 4 is provided with hole 6, and is additionally provided with the first valve opening 6 for the first valve element 10 the first elastic components 11 resetted；It is provided with second valve opening 7 and is used for the second valve element that the second transitional pore 5 is blocked and opened 12, and the second elastic component 13 resetted for the second valve element 12 is additionally provided with the second valve opening 7；The bullet of first elastic component 11 and second Property part 13 restoring force it is different；The front and rear sides of housing 1 are equipped with raised with the installation of installation；The upper end of housing 1 is provided with two The projection of tubulose, and raised correspond to respectively of two tubuloses connects the first outlet passageway 8 and the second outlet passageway 9, general two The raised axis of tubulose respectively with the axis of the axis of the first outlet passageway 8 and the second outlet passageway 9 on the same line, and The raised internal diameter of two tubuloses is respectively equal to the aperture of the first outlet passageway 8 and the aperture of the second outlet passageway 9.

The axis of the axis in the First Transition hole 4 and the first inlet channel 2 is mutually perpendicular to, second transitional pore 5 The axis of axis and the second inlet channel 3 is mutually perpendicular to, the axis of the axis of first valve opening 6 and the second valve opening 7 respectively with The diameter parallel of the axis in First Transition hole 4 and the second transitional pore 5；The valve opening 7 of first valve opening 6 and second is respectively in body 1 Both-side opening, the both sides of the body 1 are respectively equipped with the first end cap 14 and the second end cap 15, and the first end cap 14 and the second end Both sides sealing of the lid 15 respectively with body 1 is connected, and described one end of first elastic component 11, which is supported, closes on the first end cap 14, the first elasticity The other end of part 11, which supports, to be closed on the first valve element 10, and described one end of second elastic component 13, which is supported, closes on the second end cap 15, the second elasticity The other end of part 13, which supports, to be closed on the second valve element 12；The outlet passageway 9 of first outlet passageway 8 and second is located at the first air inlet respectively The top of the inlet channel 3 of passage 2 and second.

The axis with First Transition hole 4 and the second transition respectively of the axis of the axis of first valve opening 6 and the second valve opening 7 The diameter parallel in hole 5 is on the same line.

The both sides of the body 1 are respectively equipped with first annular 16 and second annular indent 17 of indent, described first annular interior Recessed 16 internal diameter and the internal diameter of the second annular indent 17 are respectively greater than the aperture of the first valve opening 6 and the aperture of the second valve opening 7, and One annular 16 and second annular indent 17 of indent connects with the first valve opening 6 and the second valve opening 7 respectively, the first annular indent 16 Connected respectively with the first outlet passageway 8 and the second outlet passageway 9 with the second annular indent 17；The axle of the first annular indent 16 Line and the axis of the second annular indent 17 respectively with the axis of the axis of the first valve opening 6 and the second valve opening 7 on the same line；Institute State the first end cap 14 and the second end cap 15 covers at first annular indent 16 and at the second annular indent 17 respectively；Described first The aperture of outlet passageway 8 and the aperture of the second outlet passageway 9 are respectively greater than aperture and the second inlet channel of the first inlet channel 2 3 aperture；First valve opening 6 is located at upper side wall and the second valve opening 7 is located in upper side wall and is equipped with opening, for being respectively communicated with First outlet passageway 8 and the second outlet passageway 9, but projection of first outlet passageway 8 in the side wall of the first valve opening 6 does not weigh with opening Folded, projection of second outlet passageway 9 in the side wall of the second valve opening 7 be not also overlapping with opening, so after setting, prevents foreign object from the One outlet passageway 8 or the second outlet passageway 9 enter without being blocked in opening, improve safety in utilization, and extend using the longevity Life.

One end end and second annular indent 17 of the first annular indent 16 away from the first outlet passageway 8 is away from second One end end of outlet passageway 9 is equipped with reaming 18, is respectively equipped with and the first ring on the end cap 15 of the first end cap 14 and second Reaming 18 coordinates the first projection 19 and the second projection 20 coordinated with reaming 18 in the second annular indent 17 in shape indent 16, described The free end of first projection 19 is located in the reaming 18 in first annular indent 16, and the free end of second projection 20 is positioned at the In reaming 18 in second ring indent 17；The end face of nearly first valve opening 6 of first end cap 14 is provided with first annular groove 21, The axis of the first annular groove 21 and the axis of the first projection 19 on the same line, and the internal diameter of first annular groove 21 More than or equal to the external diameter of the first projection 19；The end face of nearly second valve opening 7 of second end cap 15 is provided with the second annular groove 22, The axis of second annular groove 22 and the axis of the second projection 20 on the same line, and the internal diameter of the second annular groove 22 More than or equal to the external diameter of the second projection 20.

First end cap 14 is provided with stepped hole 23, and stepped hole 23 runs through the first end cap 14, the stepped hole 23 Macropore is located at one end of nearly body 1；First valve element 10 includes valve rod 10.1, and described one end of valve rod 10.1 is slidably connected at In one valve opening 6, the other end of valve rod 10.1 is slidably connected in stepped hole 23；Described one end of valve rod 10.1 is provided with baffle plate 24, described The one end of first elastic component 11 and baffle plate 24, which support, to be closed, and the other end of the first elastic component 11 is supported with the step surface in stepped hole 23 and closed, the During one 11 nature of elastic component, the step surface patch between the end face of the one end of valve rod 10.1 and the first valve opening 6 and First Transition hole 4 Close sealing；The structure of the valve element 11 of second end cap 15 and second is identical with the structure of the first end cap 14 and the first valve element 10； Material reducing groove 25 is equipped with the end cap 15 of first end cap 14 and second, material reducing groove 25 is arranged on the first end cap 14 and the second end cap 15 one end away from body 1.

The both sides of the body 1 are respectively equipped with first annular raised 26 and second annular protrusion 27, described first annular convex The internal diameter for playing 26 is equal to the aperture of the first valve opening 6, and first annular raised 26 external diameter appears on the stage less than or equal to the first end cap 14 The internal diameter of the macropore of rank hole 23；Opening in the side wall of first valve opening 6 extends to first annular raised 26, and through first annular Projection 26, and the opening in the side wall of the second valve opening 7 extends to the second annular protrusion 27, and run through the second annular protrusion 27, Then after this setting, the core pulling be easy to after the shaping and shaping of opening so as to reduce the production difficulty of body 1, improves yield rate, from And reduce production cost；The internal diameter of second annular protrusion 27 is equal to the aperture of the second valve opening 7, second annular protrusion 27 External diameter is less than or equal to the internal diameter of the macropore of 15 top bar hole of the second end cap 23；Described first annular raised 26 and second annular protrusion 27 Respectively in the macropore in the top bar hole 23 of the first end cap 14 and the macropore in the top bar hole 23 of the second end cap 15；The stepped hole 23 Also include mesopore and aperture, the aperture of the mesopore is less than the aperture of macropore and more than the aperture of aperture, first elastic component Step surface in 11 other ends and stepped hole 23 between mesopore and aperture, which supports, to be closed, and the other end of valve rod 10.1 is slided with aperture and connected Connect, stability when such valve rod 10.1 slides is preferable, so as to improve the flexibility of valve rod 10.1, so as to improve overall response Speed.

The tapered protrusion 28 of annular is equipped with step surface in the stepped hole 23 between aperture and mesopore, and taper is convex Rise 28 internal diameter be equal to aperture aperture；The elastic component 13 of first elastic component 11 and second is spring, and the first elastic component 11 are socketed on valve rod 10.1, and certain second elastic component 13 is socketed on the valve rod 10.1 in the second end cap 15.

The one end of the valve rod 10.1 away from the first elastic component 11 is provided with sealing gasket 29.

The inlet channel 3 of first inlet channel 2 and second is the lower section in body 1, and the lower section of the body 1 is provided with T Font projection 30, the lower end of the inlet channel 3 of the first inlet channel 2 and second in the lower surface opening of T fonts projection 30, The step surface of the T fonts projection 30 is provided with the 3rd annular groove 31, " well " font on the lower surface of the T fonts projection 30 Open slot 32.

Embodiment two

A kind of safety valve for high-pressure cooker, it includes body 1, the first inlet channel 2, the second air inlet is provided with the body 1 Passage 3, First Transition hole 4, the second transitional pore 5, the first valve opening 6, the second valve opening 7, the first outlet passageway 8 and the second outlet passageway 9, the inlet channel 3 of the first inlet channel 2 and second connects with the transitional pore 5 of First Transition hole 4 and second respectively, and described first The outlet passageway 9 of outlet passageway 8 and second connects with the first valve opening 6 and the second valve opening 7 respectively；The First Transition hole 4 and second Transitional pore 5 connects with the first valve opening 6 and the second valve opening 7 respectively, and the aperture of the first valve opening 6 is more than the aperture in First Transition hole 4, the The aperture of two valve openings 7 is more than the aperture of the second transitional pore 5；It is provided with first valve opening 6 and is used to blocking and opening First Transition First valve element 10 in hole 4, and the first elastic component 11 resetted for the first valve element 10 is additionally provided with the first valve opening 6；Second valve It is provided with hole 7 and is used for the second valve element 12 that the second transitional pore 5 is blocked and opened, and is additionally provided with the second valve opening 7 for the second valve element 12 the second elastic components 13 resetted；First elastic component 11 is different from the restoring force of the second elastic component 13；Front and rear the two of housing 1 Side is equipped with raised with the installation of installation；The upper end of housing 1 is provided with the projection of two tubuloses, and the projection of two tubuloses is right respectively Should connect the first outlet passageway 8 and the second outlet passageway 9, the raised axis of general two tubuloses respectively with the first outlet passageway On the same line, and the raised internal diameter of two tubuloses is respectively equal to first and gone out the axis of 8 axis and the second outlet passageway 9 The aperture of gas passage 8 and the aperture of the second outlet passageway 9.

Embodiment three

One end end and second annular indent 17 of the first annular indent 16 away from the first outlet passageway 8 is away from second One end end of outlet passageway 9 is equipped with reaming 18, is respectively equipped with and the first ring on the end cap 15 of the first end cap 14 and second Reaming 18 coordinates the first projection 19 and the second projection 20 coordinated with reaming 18 in the second annular indent 17 in shape indent 16, described The free end of first projection 19 is located in the reaming 18 in first annular indent 16, and the free end of second projection 20 is positioned at the In reaming 18 in second ring indent 17；The end face of nearly first valve opening 6 of first end cap 14 is provided with first annular groove 21, The axis of the first annular groove 21 and the axis of the first projection 19 on the same line, and the internal diameter of first annular groove 21 More than or equal to the external diameter of the first projection 19；The end face of nearly second valve opening 7 of second end cap 15 is provided with the second annular groove 22, The axis of second annular groove 22 and the axis of the second projection 20 on the same line, and the internal diameter of the second annular groove 22 More than or equal to the external diameter of the second projection 20.Remaining is identical with embodiment two.

Example IV

The one end of the valve rod 10.1 away from the first elastic component 11 is provided with sealing gasket 29.Remaining is identical with embodiment two.

Embodiment five

The inlet channel 3 of first inlet channel 2 and second is the lower section in body 1, and the lower section of the body 1 is provided with T Font projection 30, the lower end of the inlet channel 3 of the first inlet channel 2 and second in the lower surface opening of T fonts projection 30, The step surface of the T fonts projection 30 is provided with the 3rd annular groove 31, " well " font on the lower surface of the T fonts projection 30 Open slot 32.Remaining is identical with example IV.

Above example is only preferred embodiment of the present utility model, and the utility model, which is not limited only to above example, also to be permitted Permitted to have other structures change, it is all to change in the utility model rights to independence claimed range, belong to scope of protection of the utility model.

Claims

1. a kind of safety valve for high-pressure cooker, it includes body（1）, it is characterised in that：The body（1）The first air inlet is inside provided with to lead to Road（2）, the second inlet channel（3）, First Transition hole（4）, the second transitional pore（5）, the first valve opening（6）, the second valve opening（7）, One outlet passageway（8）With the second outlet passageway（9）, first inlet channel（2）With the second inlet channel（3）Respectively with first Transitional pore（4）With the second transitional pore（5）Connection, first outlet passageway（8）With the second outlet passageway（9）Respectively with the first valve Hole（6）With the second valve opening（7）Connection；The First Transition hole（4）With the second transitional pore（5）Respectively with the first valve opening（6）With Two valve openings（7）Connection, the first valve opening（6）Aperture be more than First Transition hole（4）Aperture, the second valve opening（7）Aperture be more than Second transitional pore（5）Aperture；First valve opening（6）Interior be provided with is used to blocking and opening First Transition hole（4）The first valve Core（10）, and the first valve opening（6）Inside it is additionally provided with for the first valve element（10）The first elastic component resetted（11）；Second valve opening （7）Interior be provided with is used for the second transitional pore（5）Closure and the second valve element opened（12）, and the second valve opening（7）Inside it is additionally provided with for Two valve elements（12）The second elastic component resetted（13）；First elastic component（11）With the second elastic component（13）Restoring force not Together.

2. safety valve for high-pressure cooker according to claim 1, it is characterised in that：The First Transition hole（4）Axis with First inlet channel（2）Axis be mutually perpendicular to, second transitional pore（5）Axis and the second inlet channel（3）Axis It is mutually perpendicular to, first valve opening（6）Axis and the second valve opening（7）Axis respectively with First Transition hole（4）Axis and Second transitional pore（5）Diameter parallel；First valve opening（6）With the second valve opening（7）Respectively in body（1）Both-side opening, The body（1）Both sides be respectively equipped with the first end cap（14）With the second end cap（15）, and the first end cap（14）With the second end cap （15）Respectively with body（1）Both sides sealing connection, first elastic component（11）One end, which is supported, closes in the first end cap（14）On, the One elastic component（11）The other end, which supports, to be closed in the first valve element（10）On, second elastic component（13）One end, which is supported, closes in the second end cap （15）On, the second elastic component（13）The other end, which supports, to be closed in the second valve element（12）On；First outlet passageway（8）With the second outlet Passage（9）It is located at the first inlet channel respectively（2）With the second inlet channel（3）Top.

3. safety valve for high-pressure cooker according to claim 2, it is characterised in that：First valve opening（6）Axis and Two valve openings（7）Axis respectively with First Transition hole（4）Axis and the second transitional pore（5）Diameter parallel in same straight line On.

4. safety valve for high-pressure cooker according to claim 2, it is characterised in that：The body（1）Both sides be respectively equipped with First annular indent（16）With the second annular indent（17）, the first annular indent（16）Internal diameter and the second annular indent （17）Internal diameter be respectively greater than the first valve opening（6）Aperture and the second valve opening（7）Aperture, and first annular indent（16）With Second ring indent（17）Respectively with the first valve opening（6）With the second valve opening（7）Connection, the first annular indent（16）With the second ring Shape indent（17）Respectively with the first outlet passageway（8）With the second outlet passageway（9）Connection；The first annular indent（16）Axle Line and the second annular indent（17）Axis respectively with the first valve opening（6）Axis and the second valve opening（7）Axis with always On line；First end cap（14）With the second end cap（15）Cover respectively in first annular indent（16）Place and the second annular indent （17）Place；First outlet passageway（8）Aperture and the second outlet passageway（9）Aperture be respectively greater than the first inlet channel （2）Aperture and the second inlet channel（3）Aperture.

5. safety valve for high-pressure cooker according to claim 4, it is characterised in that：The first annular indent（16）Away from the One outlet passageway（8）One end end and the second annular indent（17）Away from the second outlet passageway（9）One end end be equipped with Reaming（18）, first end cap（14）With the second end cap（15）On be respectively equipped with and first annular indent（16）Upper reaming（18） Coordinate and the second annular indent（17）Upper reaming（18）First coordinated is raised（19）It is raised with second（20）, described first is raised （19）Free end be located at first annular indent（16）On reaming（18）In, described second is raised（20）Free end positioned at the Second ring indent（17）On reaming（18）In；First end cap（14）Nearly first valve opening（6）End face be provided with the first ring Connected in star（21）, the first annular groove（21）Axis and first raised（19）Axis on the same line, and first Annular groove（21）Internal diameter to be more than or equal to first raised（19）External diameter；Second end cap（15）Nearly second valve opening（7）'s End face is provided with the second annular groove（22）, second annular groove（22）Axis and second raised（20）Axis same On one straight line, and the second annular groove（22）Internal diameter to be more than or equal to second raised（20）External diameter.

6. safety valve for high-pressure cooker according to claim 2, it is characterised in that：First end cap（14）It is provided with step Hole（23）, and stepped hole（23）Through the first end cap（14）, the stepped hole（23）Macropore be located at nearly body（1）One end； First valve element（10）Including valve rod（10.1）, the valve rod（10.1）One end is slidably connected at the first valve opening（6）It is interior, valve rod （10.1）The other end is slidably connected at stepped hole（23）It is interior；The valve rod（10.1）One end is provided with baffle plate（24）, first bullet Property part（11）One end and baffle plate（24）To conjunction, the first elastic component（12）The other end and stepped hole（23）Interior step surface, which supports, to be closed, First elastic component（11）During nature, valve rod（10.1）The end face of one end and the first valve opening（6）With First Transition hole（4）Between Step surface gluing, sealing；Second end cap（15）With the second valve element（12）Structure with the first end cap（14）With the first valve Core（10）Structure it is identical；First end cap（14）With the second end cap（15）On be equipped with material reducing groove（25）.

7. safety valve for high-pressure cooker according to claim 6, it is characterised in that：The body（1）Both sides be respectively equipped with First annular projection（26）With the second annular protrusion（27）, the first annular projection（26）Internal diameter be equal to the first valve opening（6） Aperture, the first annular projection（26）External diameter be less than or equal to the first end cap（14）Top bar hole（23）The internal diameter of macropore； Second annular protrusion（27）Internal diameter is equal to the second valve opening（7）Aperture, second annular protrusion（27）External diameter be less than Equal to the second end cap（15）Top bar hole（23）The internal diameter of macropore；The first annular projection（26）With the second annular protrusion（27） It is located at the first end cap respectively（14）Top bar hole（23）Macropore and the second end cap（15）Top bar hole（23）Macropore in；It is described Stepped hole（23）Also include mesopore and aperture, the aperture of the mesopore is less than the aperture of macropore and more than the aperture of aperture, described First elastic component（11）The other end and stepped hole（23）Step surface between interior mesopore and aperture, which supports, to be closed, and valve rod（10.1）It is another End is slidably connected with aperture.

8. safety valve for high-pressure cooker according to claim 7, it is characterised in that：The stepped hole（23）Middle aperture and mesopore Between step surface on be equipped with annular tapered protrusion（28）, and tapered protrusion（28）Internal diameter be equal to aperture aperture；Institute State the first elastic component（11）With the second elastic component（13）It is spring, and the first elastic component（11）It is socketed in valve rod（10.1）On.

9. safety valve for high-pressure cooker according to claim 6, it is characterised in that：The valve rod（10.1）Away from the first elasticity Part（11）One end be provided with sealing gasket（29）.

10. safety valve for high-pressure cooker according to claim 2, it is characterised in that：First inlet channel（2）With second Inlet channel（3）For body（1）Interior lower section, the body（1）To be provided with T fonts raised for lower section（30）, first air inlet Passage（2）With the second inlet channel（3）Lower end it is raised in T fonts（30）Lower surface opening, the T fonts are raised（30） Step surface be provided with the 3rd annular groove（31）, the T fonts projection（30）Lower surface on " well " font open slot （32）.