CN203987551U - Pressure cooker - Google Patents
Pressure cooker Download PDFInfo
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- CN203987551U CN203987551U CN201420407416.0U CN201420407416U CN203987551U CN 203987551 U CN203987551 U CN 203987551U CN 201420407416 U CN201420407416 U CN 201420407416U CN 203987551 U CN203987551 U CN 203987551U
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- coil panel
- air channel
- pressure cooker
- annular
- support member
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/086—Pressure-cookers; Lids or locking devices specially adapted therefor with built-in heating means
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- Food Science & Technology (AREA)
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Abstract
The utility model discloses a kind of pressure cooker.Described pressure cooker comprises outer pot, and the lower end of outer pot has the flange extending internally, and flange limits the bottom opening of outer pot, and flange is provided with multiple shell fragments; Annular support member, annular support member is supported on multiple shell fragments with removable along the vertical direction; Coil panel, coil panel is arranged on annular support member and is positioned at the below of annular support member, bottom opening and coil panel adaptation; Air channel support, prop up in the exterior bottom wall that is erected at outer pot in air channel, the upper surface of air channel support is provided with the outer annular protrusion of protruding towards coil panel, outer annular protrusion width and coil panel width adaptation diametrically diametrically, the upper surface of outer annular protrusion, air channel support, the lower surface of coil panel and outer pot limit the air channel with air inlet and air outlet jointly; And fan, fan is located at air outlet place.According to the pressure cooker of the utility model embodiment, coil panel good heat dissipation effect, outer pot structural strength is high, the pressure cooker of interior pot supporting & stablizing.
Description
Technical field
The utility model relates to household appliance technical field, in particular to a kind of pressure cooker.
Background technology
In Electromagnetic Heating electric pressure cooking saucepan correlation technique, interior pot relatively outer pot moves up and down, coil panel is positioned at outer pot, and interior pot is supported on outer pot by elastic construction, when pressure cooker work, coil panel can not pressure-bearing, and interior pot need to bear very large pressure, coil panel distributes a large amount of heats simultaneously, fan is located under coil panel, the blowing of fan cannot be skimmed over whole coil panel, and to the poor room for improvement that exists of the cooling effect of coil panel, thereby the supporting construction of coil panel radiator structure and interior pot, the structural strength of outer pot all need further improvement.
Utility model content
The utility model is intended to solve at least to a certain extent one of technical problem in correlation technique.For this reason, an object of the present utility model is to propose a kind of coil panel good heat dissipation effect, and outer pot structural strength is high, the pressure cooker of interior pot supporting & stablizing.
Comprise according to pressure cooker of the present utility model: outer pot, the lower end of described outer pot has the flange extending internally, and described flange limits the bottom opening of outer pot, and described flange is provided with multiple shell fragments; Annular support member, described annular support member is supported on described multiple shell fragment with removable along the vertical direction; Coil panel, described coil panel is arranged on described annular support member and is positioned at the below of described annular support member, described bottom opening and described coil panel adaptation; Air channel support, prop up in the exterior bottom wall that is erected at described outer pot in described air channel, the upper surface of described air channel support is provided with the outer annular protrusion of protruding towards described coil panel, described outer annular protrusion width and described coil panel width adaptation diametrically diametrically, lower surface and the described outer pot of described outer annular protrusion, the upper surface of described air channel support, described coil panel limit the air channel with air inlet and air outlet jointly; And fan, described fan is located at described air outlet place.
Like this, according to pressure cooker of the present utility model, the interior pot of pressure cooker can be positioned in outer pot and be positioned on annular support member, annular support member is by spaced apart to interior pot and the coil panel of pressure cooker, in the course of work, interior pot, annular support member moves up and down together with coil panel, while avoiding interior pot to move down, be pressed onto coil panel, also just avoided coil panel pressure-bearing, can also make the distance between interior pot and coil panel constant to ensure heating effect, and annular support member can not stop the magnetic line of force of coil panel, heated by pressure cooker is effective, the contact area of annular support member and interior pot is large simultaneously, the internally supporting & stablizing of pot.In addition, turning over all over the bottom opening and the coil panel adaptation that limit of outer pot, can support annular support member better thereby not only the structural strength of outer pot is high, and because bottom opening is large as much as possible, increase area of dissipation, be more conducive to coil panel heat radiation, thus the security performance of adherence pressure pot.Simultaneously, at air channel support, outer pot, between outer annular protrusion and coil panel, limit the air channel that is used to coil panel heat radiation, by outer annular protrusion being set in the situation that not changing air channel support setting height(from bottom), can reduce the distance between air channel support and coil panel, thereby improve the speed of Air Flow between air channel support and coil panel to improve radiating effect, swabbing action by fan is by extraneous air intake air channel, setting and width diametrically and the outer annular protrusion of coil panel width adaptation diametrically on the support of air channel simultaneously, can reduce the diffusion of air in flowing, be that air stream still can keep pressing close to the mobile trend of coil panel lower surface behind the space between the upper surface of outer annular protrusion and the lower surface of coil panel, thereby promote the cooling effect of coil panel.
In brief, according to pressure cooker of the present utility model, outer pot had both met the radiating effect of coil panel, can support well again interior pot, and interior pot is stably supported in outer pot by annular support member, coil panel good heat dissipation effect, heated by pressure cooker is effective and simple in structure.
In addition, can also there is following additional technical characterictic according to the above-mentioned pressure cooker of the utility model:
Preferably, described outer annular protrusion (821) width is diametrically 7 millimeters-11 millimeters.
Alternatively, the upper surface of described outer annular protrusion is provided with the silica gel block piece for stopping described coil panel.
Described outer annular protrusion comprises: the first periphery wall that each interval is arranged and the second periphery wall, the upper surface of described the first periphery wall, described the second periphery wall and described air channel support limits the unlimited annular groove in upper end.
The upper surface of described air channel support is provided with interior annular protrusion, described interior annular protrusion is positioned at described outer annular protrusion, described interior annular protrusion comprises the first internal perisporium and the second internal perisporium that are spaced apart from each other, between described the first periphery wall and described the second internal perisporium, limit annular region, described coil panel is annular and relative with described annular region on above-below direction.
Preferably, the ratio of the area of described annular region and the area of described coil panel is 0.15-0.40.
The inside edge of described air channel support and described bottom opening limits described air inlet jointly, and described air outlet is located on the support of described air channel.
Described air channel support is provided with the tubular conduit to downward-extension, described tubular conduit is communicated with described air outlet and the lower surface of described tubular conduit is inclined-plane, described fan is located on described inclined-plane, the lower surface of described tubular conduit along described pressure cooker radially direction be from inside to outside inclined upwardly.
Described pressure cooker also comprises: power panel, and described power panel is located on the support of described air channel, and described power panel has the heat dissipation wind channel being communicated with extraneous and described air channel respectively, and described fan is for aspirating the air in described air channel and described heat dissipation wind channel.
Described power panel is provided with IGBT, between the fin of described IGBT and the outer wall of described tubular conduit, jointly limits described heat dissipation wind channel, and described heat dissipation wind channel and described air channel are communicated with by the through hole being located on the outer wall of described tubular conduit.
Described pressure cooker also comprises: waterproof separator, described waterproof separator is located at the central hole of described annular support member and is positioned at described coil panel top.
Described waterproof separator is tabular and radially inwardly downward-sloping from this waterproof separator, and the center of described waterproof separator is provided with hollow posts, and described hollow posts is passed down through described coil panel.
The center that described air outlet is positioned at the below of described coil panel and departs from described coil panel.
Described flange is provided with corresponding and provide the recess of dodging of dodging space for the strain of described shell fragment one by one with described shell fragment.
The described recess of dodging is the groove of dodging by a part for described flange is become to concave, described in described shell fragment covers, dodges on groove.
The described recess of dodging is by limiting from the upper surface of described flange protuberance protruding upward, and described shell fragment is supported on described protuberance.
The radial dimension of dodging the part of recess described in described flange is provided with is greater than the radial dimension of the remainder of described flange.
Described annular support member comprises: ring body; Multiple support columns, multiple described support columns are along on the lower surface that is circumferentially located at interval described ring body of ring body and be supported on correspondingly respectively on described shell fragment.
Brief description of the drawings
Fig. 1 is according to the explosive view of the pressure cooker of an embodiment of the present utility model, does not comprise air channel support and fan.
Fig. 2 is according to the cutaway view of the pressure cooker of an embodiment of the present utility model, does not comprise air channel support and fan.
Fig. 3 is the part sectioned view along A-A line in Fig. 2.
Fig. 4 is according to the explosive view of the pressure cooker of an embodiment of the present utility model.
Fig. 5 is according to the cutaway view of the pressure cooker of an embodiment of the present utility model.
Fig. 6 is according to the top view of the air channel support of the pressure cooker of an embodiment of the present utility model.
Fig. 7 is according to the cutaway view of the outer pot of the pressure cooker of the utility model embodiment.
Fig. 8 is the partial sectional view along the E-E line in Fig. 7.
Fig. 9 is according to the structural representation of the outer pot of the pressure cooker of the utility model embodiment.
Reference numeral:
Pressure cooker 100,
Interior pot 1,
Outer pot 2, flange 21, flanging 211, dodge recess 22, protuberance 221, dodge space 222, bottom opening 23,
Coil panel 3,
Annular support member 4, ring body 41, support column 42, screw pole 43, centre bore 44,
Waterproof separator 5, hollow posts 51,
Shell fragment 6,
Bolt 71, double-screw bolt 711, nut 712, spring 72,
The outer wall 8111 of air channel support 81, tubular conduit 811, tubular conduit 811, through hole 8112,
Outer annular protrusion 821, the first periphery wall 8211, the second periphery wall 8212,
Interior annular protrusion 822, the first internal perisporium 8221, the second internal perisporium 8222, breach 8223,
Annular region 820, air inlet 8201, air outlet 8202,
Guiding gutter 823, flume wall 8230, the first connecting wall 8231, the second connecting wall 8232,
Fan 83,
Power panel 9, heat dissipation wind channel 91, fin 92,
Upper cover 101, sealing ring 102.
Detailed description of the invention
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Describe according to the pressure cooker 100 of the utility model embodiment below with reference to Fig. 1-Fig. 9.As shown in Fig. 1-Fig. 9, comprise outer pot 2, annular support member 4, coil panel 3, air channel support 81 and fan 83 according to the pressure cooker 100 of the utility model embodiment.
As shown in Fig. 1-Fig. 5 and Fig. 7-Fig. 9, the lower end of outer pot 2 has the flange 21 extending internally, also the lower edge that can say outer pot 2 has the flange 21 extending to the center of outer pot 2, and flange 21 limits the bottom opening 23 of outer pot 2, that is to say that the interior edge of flange 21 limits the bottom opening 23 of outer pot 2.
As Figure 1-Figure 5, flange 21 is provided with multiple shell fragments 6, and annular support member 4 is supported on multiple shell fragments 6, and annular support member 4 can move along the vertical direction thus.Alternatively, as shown in Figure 1, annular support member 4 can be annular.Certainly the concrete shape of the annular support member 4 in the utility model is not limited to this, for example, annular support member 4 can the side's of being annular or annular or the round outside but spuare inside annular of square-outside and round-inside, as long as annular support member 4 can play the excellent support effect of internal pot 1.
Coil panel 3 is arranged on annular support member 4, and coil panel 3 is positioned at annular support member 4 belows.Be understandable that, as depicted in figs. 1 and 2, when pressure cooker 100 is worked, interior pot 1 is placed in outer pot 2 and is supported on annular support member 4.Annular support member 4 has centre bore 44, and the magnetic line of force of coil panel 3 can be radiated on interior pot 1 and heat with internal pot 1 through centre bore 44.Particularly, the magnetic field that coil panel 3 changes, the bottom of interior pot 1, at the magnetic fields line generation current changing, forms vortex heat, with the food heating in pot.
That is to say, as shown in Figure 1, when pressure cooker 100 is worked, coil panel 3 and interior pot 1 all can move along the vertical direction with annular support member 4, annular support member 4 is by spaced apart to pressure cooker 100 and coil panel 3, as depicted in figs. 1 and 2, interior pot 1 is supported on the upper surface of annular support member 4, and coil panel 3 is positioned at the below of annular support member 4.
Like this, according to the pressure cooker 100 of the utility model embodiment, the interior pot 1 of pressure cooker is positioned in outer pot 2 and is positioned at annular support member 4, annular support member 4 is by spaced apart to pressure cooker 100 and coil panel 3, in the course of work, interior pot 1, annular support member 4 moves up and down together with coil panel 3, while avoiding interior pot 1 to move down, be pressed onto coil panel 3, also coil panel 3 pressure-bearings have just been avoided, can also make the distance between interior pot 1 and coil panel 3 constant to ensure heating effect, and annular support member 4 can not stop the magnetic line of force of coil panel 3, pressure cooker 100 heating effects are good, annular support member 4 is large with the contact area of interior pot 1 simultaneously, the internally supporting & stablizing of pot 1.In addition,, according to the pressure cooker 100 of the utility model embodiment, the diapire of interior pot 1, without very thick, is saved material and low cost of manufacture.
As depicted in figs. 1 and 2, bottom opening 23 and coil panel 3 adaptations.Here it should be explained that bottom opening 23 and coil panel 3 adaptations refer at flange 21 and play under the prerequisite that supports annular support member 4, bottom opening 23 is large as far as possible.Thus, not only the structural strength of flange 21 is high, and the support of annular support member 4 is more stable, and can increase the heat dissipation capacity of coil panel 3.
That is to say, according to the pressure cooker 100 of the utility model embodiment, annular support member 4 is supported on by multiple shell fragments 6 on the flange 21 of outer pot 2, and turning over all over the bottom opening 23 and coil panel 3 adaptations that limit of outer pot 2, can support better annular support member 4 thereby not only the structural strength of outer pot 2 is high, and because bottom opening 23 is large as much as possible, increase area of dissipation, more be conducive to coil panel 3 and dispel the heat, thus the security performance of adherence pressure pot 100.
Alternatively, the projection of coil panel 3 in horizontal plane can be positioned at bottom opening 23 within the projection of horizontal plane, that is to say, the area of dissipation for the treatment of of coil panel 3 is less than the area of bottom opening 23, and coil panel 3 is relative on above-below direction with bottom opening 23, further be convenient to thus coil panel 3 and dispel the heat, and simple in structure, easy to manufacture.
Certainly, pressure cooker 100 of the present utility model is not limited to this, as shown in Figure 9, bottom opening 23 is irregularly shaped and under the large as far as possible prerequisite of bottom opening 23, the projection of coil panel 3 in horizontal plane can partly exceed the projection of bottom opening 23 at horizontal plane, so, be conducive to the heating surface (area) (HS that coil panel 3 dispels the heat and can promote coil panel 3, the efficiency of heating surface of adherence pressure pot 100.
Air channel support 81 is located in the exterior bottom wall of outer pot 2, and for example, air channel support 81 can be connected on outer pot 2 by screw thread, thereby is convenient to installation and removal.The upper surface of air channel support 81 is provided with outer annular protrusion 821.That is to say, as shown in Figure 4 and Figure 5, coil panel 3 is located in outer pot 2, and air channel support 81 is located at outside outer pot 2, and air channel support 81 is positioned at the below of coil panel 3, outer annular protrusion 821 from the upper surface of air channel support 81 towards coil panel 3 projections.By the outer annular protrusion 821 towards coil panel 3 is set on the upper surface at air channel support 81, in the situation that not changing air channel support setting height(from bottom), can reduce the distance between air channel support 81 and coil panel 3, reduced the sectional area in air channel between air channel support 81 and coil panel 3, ventilation constant (being that rotation speed of the fan is constant) in the situation that, can improve the speed of Air Flow between air channel support 81 and coil panel 3, thereby improve radiating effect.
Because coil panel 3 is removable along the vertical direction, distance variable between the upper surface of the lower surface of coil panel 3 and outer annular protrusion 821, and must ensure that the distance between the minimum point of lower surface of coil panel 3 and the peak of the upper surface of outer annular protrusion 821 can be more than or equal to the distance that coil panel 3 moves down, also to make the distance between the lower surface of coil panel 3 and the upper surface of outer annular protrusion 821 reduce simultaneously as far as possible, be conducive to like this heat radiation of coil panel 3.For example, in a specific embodiment of the present utility model, as shown in Figure 4 and Figure 5, the lower surface of coil panel 3 is parallel with the upper surface of outer annular protrusion 821, when coil panel 3 is positioned at extreme higher position, distance between the upper surface of the lower surface of coil panel 3 and outer annular protrusion 821 is 3 millimeters-8 millimeters, and preferably, the distance between the lower surface of coil panel 3 and the upper surface of outer annular protrusion 821 is 5 millimeters.Can ensure that thus coil panel 3 can not contact with air channel support and can make the distance that keeps suitable between the lower surface of coil panel 3 and the upper surface of outer annular protrusion 821 to ensure radiating effect moving down in process.
In embodiment more of the present utility model, in coil panel 3 folding processes, bump and damage coil panel or air channel support with outer annular protrusion 821, the upper surface of outer annular protrusion 821 is provided with the silica gel block piece (scheming not shown) for stopping coil panel 3.Can prevent that thus coil panel damage from affecting heating effect or support damage in air channel affects radiating effect, make above-mentioned radiator structure more reliable.
The upper surface of outer annular protrusion 821, air channel support 81, the lower surface of coil panel 3 and outer pot 2 limit the air channel with air inlet 8201 and air outlet 8202 jointly, outer annular protrusion 821 width and coil panel 3 width adaptation diametrically diametrically, fan 83 is located at air outlet 8202 places, that is to say that fan 83 plays takes out wind action, for the air in pumping air channel.
Outer annular protrusion 821 width diametrically, refer on arbitrary cross section of outer annular protrusion 821, for example, by the distance (X2 in Fig. 5) between the intersection point of arbitrary straight line at outer annular protrusion 821 center and the outer peripheral face of outer annular protrusion 821 and the intersection point of the inner peripheral surface of this straight line and outer annular protrusion 821.
Coil panel 3 width diametrically can be made broad understanding, as shown in Figure 4 and Figure 5, the cross section of coil panel 3 is annular, coil panel 3 width diametrically refers on arbitrary cross section of coil panel 3, the distance (for example X1 in Fig. 5) between the intersection point of the inner peripheral surface by arbitrary straight line at center of coil panel 3 and the intersection point of the outer peripheral face of coil panel 3 and this straight line and coil panel 3.If the cross section of coil panel 3 is circular, coil panel 3 width diametrically refers to the radius of coil panel 3.
Outer annular protrusion 821 width and coil panel 3 width adaptation diametrically diametrically, refer to that outer annular protrusion 821 width is diametrically in ensureing the convenience of processing, outer annular protrusion 821 width diametrically can change again the flow direction of air effectively, increases the radiating effect of coil panel 3.Particularly, the upper surface of outer annular protrusion 821 is relative on above-below direction with the lower surface of coil panel 3, because air mobile has diffusivity, be that air stream has the trend spreading away from the lower surface of coil panel 3 and to the upper surface of air channel support 81 behind the space between upper surface and the lower surface of coil panel 3 of projection 821, in the time that outer annular protrusion 821 width is diametrically suitable, can reduce the diffusion of air in flowing, be that air stream still can keep pressing close to the mobile trend of coil panel lower surface behind the space between upper surface and the lower surface of coil panel 3 of projection 821, make the cooling effect of coil panel 3 better.
Alternatively, air inlet 8201 can be limited by outer pot 2 and air channel support 81, and particularly, as shown in Figure 4 and Figure 5, air inlet 8201 can be limited jointly by the inside edge of the bottom opening of outer pot 2 23 and air channel support 81.Certainly, the air inlet 8201 in the utility model can be multiple, and air inlet 8201 also can be provided in a side of the hole on outer pot 2 or be located at the hole on air channel support 81.As shown in Figure 4 and Figure 5, air outlet 8202 can be located on air channel support 81.Particularly, the center that air outlet 8202 is positioned at the below of coil panel 3 and departs from coil panel 3, thus being more added with the surface of skimming over coil panel 3 in wind, the cooling effect of coil panel 3 is better.
That is to say, in the time that needs dispel the heat to coil panel 3, under the swabbing action of fan 83, air enters air channel from air inlet 8201, and surface and coil panel 3 that wind skims over whole coil panel 3 carry out discharging from air outlet 8202 after heat exchange.Air at the flow direction in air channel as shown in the arrow in Fig. 5.
In brief, according to the pressure cooker 100 of the utility model embodiment, between air channel support 81, outer pot 2, outer annular protrusion 821 and coil panel 3, limit the air channel that is used to coil panel 3 to dispel the heat, extraneous wind is sucked air channel by swabbing action by fan 83, setting and width diametrically and the outer annular protrusion 821 of coil panel 3 width adaptation diametrically on air channel support 81 simultaneously, the lower surface that makes air can be close to coil panel 3 flows, thereby promotes the cooling effect of coil panel 3.
In a preferred embodiment of the present utility model, width diametrically of outer annular protrusion 821 and the ratio of coil panel 3 width are diametrically 0.03-0.25.Thus, not only the processing of air channel support 81 is easier, and can ensure that air is close to coil panel 3 and flows and make the good cooling results of coil panel 3.Further, described outer annular protrusion width is diametrically generally 7 millimeters-11 millimeters.
In sum, according to the pressure cooker 100 of the utility model embodiment, outer pot 2 had both met the radiating effect of coil panel 3, can support well again interior pot 1, and interior pot 1 is stably supported in outer pot 2 by annular support member 4, coil panel 3 good heat dissipation effect, pressure cooker 100 heating effects are good and simple in structure.
Describe according to pressure cooker 100 of the present utility model specific embodiment below with reference to Fig. 1-Fig. 9.As shown in Figure 4 and Figure 5, pressure cooker 100 comprises interior pot 1, outer pot 2, coil panel 3, air channel support 81, fan 83, power panel 9, annular support member 4, waterproof separator 5, multiple shell fragment 6, bolt 71 and spring 72.
As shown in Figure 4, outer pot 2 has bottom opening 23, it is interior and removable along the vertical direction that coil panel 3 is located at outer pot 2, bottom opening 23 and coil panel 3 adaptations, air channel support 81 is located in the exterior bottom wall of outer pot 2, the upper surface of air channel support 81 is provided with outer annular protrusion 821, the upper surface of outer annular protrusion 821, air channel support 81, the lower surface of coil panel 3 and outer pot 2 limit the air channel with air inlet 8201 and air outlet 8202 jointly, outer annular protrusion 821 width and coil panel 3 width adaptation diametrically diametrically.
As shown in Figure 5 and Figure 6, outer annular protrusion 821 comprises the first periphery wall 8211, the second periphery wall.The upper surface of the first periphery wall 8211 and the second periphery wall 8212 has formed the upper surface of outer annular protrusion 821 jointly, can ensure that thus radial width that outer annular protrusion 821 is suitable has reduced again processing and manufacturing difficulty and the production cost of outer annular protrusion.
The first periphery wall 8211 and the second periphery wall 8212 each intervals are arranged, and the upper surface of the first periphery wall 8211, the second periphery wall 8212 and air channel support 81 limits the unlimited annular groove in upper end, is provided with filling member (not shown) in annular groove.The open end of filling member sealing annular groove, has formed the upper surface of outer annular protrusion 821 like this, is pasting this upper surface and flows thereby be convenient to wind, is conducive to surface that wind skims over coil panel 3 to promote the radiating effect of coil panel 3.
Filling member can only fill up the open end of annular groove, thereby saves the material of filling member, and can reduce the weight of air channel support 81.Certainly, filling member also can fill up annular groove.
Further, as shown in Figure 5 and Figure 6, the upper surface of air channel support 81 is provided with interior annular protrusion 822, interior annular protrusion 822 is positioned at outer annular protrusion 821, interior annular protrusion 822 comprises the first internal perisporium 8221 and the second internal perisporium 8222 that are spaced apart from each other, between the first periphery wall 8211 and the second internal perisporium 8222, limit annular region 820, coil panel 3 is annular, and coil panel 3 is relative with annular region 820 on above-below direction.That is to say, the part that annular region 820 is air channel, and annular region 820 is relative with coil panel 3, is more conducive to the heat radiation of coil panel 3.Alternatively, air channel support 81, outer annular protrusion 821 and interior annular protrusion 822 are integrally formed.
Advantageously, the ratio of the area of the area of annular region 820 and coil panel 3 is 0.15-0.40, and the manufacture of air channel support 81 radiating effect easier and coil panel 3 is better thus.
As shown in Figure 6, described interior annular protrusion 822 has breach 8223, breach 8223 places are connected with the flume wall 8230 that extends radially outwardly and exceed outer annular protrusion 821 and limit guiding gutter 823, and two outsides of flume wall 8230 are provided with the first connecting wall 8231 and the second connecting wall 8232 that are connected between the first periphery wall 8211 and the second internal perisporium 8222.That is to say, the region in the first internal perisporium 8221 of interior annular protrusion 822 is for water receiving (water flowing out from hollow posts 51 as shown in Figure 2), and water flows to guiding gutter 823 from breach 8223, and flows to extraneous through guiding gutter 823.
Power panel 9 is located on air channel support 81, and power panel 9 has the heat dissipation wind channel 91 being communicated with extraneous and air channel respectively.Fan 83 is for the wind in pumping air channel and heat dissipation wind channel 91.
That is to say, in the time that needs dispel the heat, under the swabbing action of fan 83, wind enters air channel from air inlet 8201, surface and coil panel 3 that wind skims over whole coil panel 3 carry out discharging from air outlet 8202 after heat exchange, under the swabbing action of fan 83, wind also enters heat dissipation wind channel 91 from air inlet 8201 to carry out discharging from air outlet 8202 heat exchange with power panel 9 simultaneously.In other words, heat dissipation wind channel 91 and air channel all adopt same fan 83 to dispel the heat, therefore radiator structure advantages of simple and the low cost of manufacture of pressure cooker 100.
In brief, according in the radiator structure of the pressure cooker 100 of the utility model embodiment, extraneous wind is sucked to air channel and heat dissipation wind channel 91 by the swabbing action of same fan 83 simultaneously, completed the heat radiation of coil panel 3 and power panel 9.
As the optional embodiment of one, power panel 9 can be by screw fastening to air channel support 81, as the optional embodiment of another kind, power panel 9 can be by connecting and fixing with air channel support 81, for example, power panel 9 is provided with buckle, and air channel support 81 is provided with block button hole.
As shown in Figure 4 and Figure 5, air channel support 81 is provided with the tubular conduit 811 to downward-extension, and tubular conduit 811 is communicated with air outlet 8202, and the lower surface of tubular conduit 811 is inclined-plane, and fan 83 is located on inclined-plane.Alternatively, fan 83 can be fixed on described inclined-plane by screw thread.That is to say, between air outlet 8202 and fan 83, be also provided with tubular conduit 811, thereby be more conducive to collecting of wind, be convenient to wind and discharge from air channel.Particularly, the lower surface of tubular conduit 811 along pressure cooker 100 radially direction be from inside to outside inclined upwardly.Thus, the more reasonable structure of air channel support 81, is more convenient for arranging.
Power panel 9 is provided with IGBT, between the fin 92 of IGBT and the outer wall 8111 of tubular conduit 811, jointly limits heat dissipation wind channel 91, and heat dissipation wind channel 91 and air channel are communicated with by the through hole 8112 being located on the outer wall 8111 of tubular conduit 811.Be understandable that, IGBT is the hottest position on power panel 9, and IGBT itself is provided with fin 92, according to the pressure cooker 100 of the utility model embodiment, by jointly limit heat dissipation wind channel 91 between fin 92 and the outer wall 8111 of tubular conduit 811, and heat dissipation wind channel 91 is communicated with air channel, thereby coil panel 3 and IGBT are dispelled the heat by a fan 83 simultaneously, simple in structure and promoted the security performance of pressure cooker 100.
Annular support member 4 is located in outer pot 2, coil panel 3 is arranged on annular support member 4, and coil panel 3 is positioned at the below of annular support member 4, when pressure cooker 100 is worked, interior pot 1 and coil panel 3 can together with move along the vertical direction with annular support member 4, and interior pot 1 is supported on annular support member 4 and spaced apart with coil panel 3.
As depicted in figs. 1 and 2, coil panel 3 is by screw fastening to annular support member 4, and the lower surface of annular support member 4 is provided with the circumferential isolated multiple screw poles 43 along this annular support member 4, and screw is fastened on screw pole 43 through coil panel 3.Thus, the installation of coil panel 3 is simple and convenient and install firmly.Advantageously, multiple screw poles 43 can being circumferentially evenly arranged along annular support member 4.
Further, as depicted in figs. 1 and 2, waterproof separator 5 is located at centre bore 44 places of annular support member 4, and waterproof separator 5 is positioned at the top of coil panel 3, thereby prevents that the water outside interior pot 1 from entering in coil panel 3, improved the security performance of pressure cooker 100.Alternatively, waterproof separator 5 is working of plastics, and certainly waterproof separator 5 is not limited to this, as long as can block water, and stop the magnetic line of force of coil panel 3.
Particularly, as depicted in figs. 1 and 2, waterproof separator 5 is tabular, and for example, annular is tabular, and radially inwardly downward-sloping from waterproof separator 5, thus in water outside pot 1 can more easily flow to the center of waterproof separator 5 along waterproof separator 5.The center of waterproof separator 5 is provided with hollow posts 51, and hollow posts 51 is passed down through coil panel 3, and the water that flows to thus the center of waterproof separator 5 can be derived by hollow posts 51, thereby avoids coil panel 3 bedew or make moist.Particularly, the water outside interior pot 1 can be by the hollow posts 51 of waterproof separator 5 outside the base discharged to pressure cooker 100.
Further, annular support member 4 comprises ring body 41 and multiple support column 42.Multiple support columns 42 are circumferentially located on the lower surface of ring body 41 at interval along ring body 41.Particularly, interior pot 1 is supported on the upper surface of ring body 41, screw pole 43 is located on the lower surface of ring body 41, support column 42 is supported in outer pot 2, the periphery of coil panel 3 is provided with the groove of dodging support column 42, coil panel 3 is installed on screw pole 43 by screw thus, and coil panel 3 is positioned at outer pot 2.The more reasonable structure of annular support member 4 like this, simpler and handling ease.
Describe and can realize the structure that annular support member 4 moves up and down below with reference to Fig. 1-Fig. 3.As shown in Figure 1-Figure 3, the bottom in outer pot 2 is provided with multiple shell fragments 6, and annular support member 4 is supported on multiple shell fragments 6, and particularly, multiple support columns 42 of annular support member 4 are supported on respectively on shell fragment 6 correspondingly.In other words, the number of support column 42 equates with the number of shell fragment 6, and a support column 42 is supported on a shell fragment 6.In concrete example as shown in Figure 1, shell fragment 6 is that three and support column 42 are three.
Be understandable that, shell fragment 6 can have certain strain after stressed.Particularly, when interior pot 1 is supported on annular support member 4, annular support member 4 is supported on shell fragment 6 and applies certain power to shell fragment 6, thereby annular support member 4 can be moved along the vertical direction, namely makes interior pot 1 with the upper and lower movement of annular support member 4.Preferably, multiple shell fragments 6 can be located in outer pot 2 and be positioned at the bottom of outer pot 2 along being circumferentially evenly spaced apart of outer pot 2, and the support of annular support member 4 is more stable and more even thus, prevents that annular support member 4 from tilting.
As depicted in figs. 1 and 2, the lower end of outer pot 2 has the flange 21 extending internally, also the lower edge that can say outer pot 2 has the flange 21 extending to the center of outer pot 2, flange 21 be provided with shell fragment 6 one by one corresponding and for the strain of shell fragment 6 provide dodge space 222 dodge recess 22.That is to say, dodge recess 22 for multiple, shell fragment 6 is multiple, and dodging the number of recess 22 and the number of shell fragment 6 equates, and shell fragment 6 with one to dodge recess 22 corresponding, be shell fragment 6 while there is strain, dodge recess 22 and dodge space 222 for the strain of shell fragment 6 provides, thereby make annular support member 4 successfully realize and moving up and down by shell fragment 6.
Further, as shown in Figure 9, the radial dimension that flange 21 is provided with the part of dodging recess 22 (for example, W2 in Fig. 9) be greater than the radial dimension (for example, the W1 in Fig. 9) of the remainder of flange 21, that is to say, as shown in Figure 9, W2 > W1, has further promoted the structural strength of flange 21 thus, thereby is conducive to support annular support member 4.
Advantageously, as shown in Fig. 1-Fig. 7 and Fig. 9, the interior edge of flange 21 has upwardly extending flanging 211, and thus, the structural strength of flange 21 further promotes, thereby is conducive to support annular support member 4.Flanging 211 can be integrally formed with flange 21.
In as some embodiment of Fig. 1-Fig. 3, dodge recess 22 by limiting from the upper surface of flange 21 protuberance 221 protruding upward and flange 21, shell fragment 6 is supported on protuberance 221, because protuberance 221 is protruding upward, thereby can not increase the height of outer pot 2, thereby save material, low cost of manufacture, and make the volume of pressure cooker 100 little, be convenient to place.Advantageously, protuberance 221 and flange 21 can together with punching press or casting, thereby the structural strength of outer pot 2 is higher.
Certainly, dodge recess 22 and be not limited to this, for example, in other embodiment of the present utility model, dodging recess 22 can be for dodging groove (scheming not shown) by what a part for flange 21 was become to concave, and shell fragment 6 covers dodges on groove.Particularly, dodge groove and flange 21 is integrally formed, shell fragment 6 can be supported on and be positioned on the upper surface of flange 21 of dodging groove both sides.Thus, processing technology is simple, low cost of manufacture.
Further, as shown in Figure 3, the upper end of bolt 71 is threadably fastened on support column 42 through flange 21 and shell fragment 6 from bottom to top successively, spring 72 is set on bolt 71, and spring 72 is between the head and flange 21 of the lower end of bolt 71, while moving upward under the elastic force that annular support member 4 produces in the strain of shell fragment 6 drives thus, spring 72 is compressed, thereby produce certain damping force, avoid annular support member 4 to move upward too quickly, make annular support member 4 motions steadily, avoid producing abnormal sound and crooked.Particularly, as shown in figures 1 and 3, bolt 71 comprises double-screw bolt 711 and the threaded engagement nut 712 on double-screw bolt 711, and wherein the head of the lower end of bolt 71 namely refers to nut 712, and spring 72 is set on double-screw bolt 711, and between nut 712 and flange 21.
Known by above-mentioned description, according to the pressure cooker 100 of the utility model embodiment, by annular support member 4 is set, interior pot 1 is kept apart with coil panel 3, and pot 1 in more stably supporting by annular support member 4, the safety and stability of pressure cooker 100 is further promoted.
In addition, as depicted in figs. 1 and 2, pressure cooker 100 comprises upper cover 101 and sealing ring 102, upper cover 101 is located at the upper of outer pot 2, sealing ring 102 is located between upper cover 101 and the upper edge of interior pot 1, thereby the cooking space limiting between the interior pot 1 of sealing and upper cover 101 prevents that pressure cooker 100 from losing heart.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", orientation or the position relationship of instructions such as " circumferentially " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of device or the element of instruction or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as instruction or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, at least one this feature can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " multiple " is at least two, for example two, and three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or integral; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless separately there is clear and definite restriction.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, First Characteristic Second Characteristic " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, First Characteristic Second Characteristic " on ", " top " and " above " but First Characteristic directly over Second Characteristic or oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " can be First Characteristic under Second Characteristic or tiltedly, or only represent that First Characteristic level height is less than Second Characteristic.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, to the schematic statement of above-mentioned term not must for be identical embodiment or example.And, specific features, structure, material or the feature of description can one or more embodiment in office or example in suitable mode combination.In addition,, not conflicting in the situation that, those skilled in the art can carry out combination and combination by the feature of the different embodiment that describe in this description or example and different embodiment or example.
Although illustrated and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment in scope of the present utility model, amendment, replacement and modification.
Claims (18)
1. a pressure cooker, is characterized in that, comprising:
Outer pot (2), the lower end of described outer pot (2) has the flange (21) extending internally, described flange (21) limits the bottom opening (23) of outer pot (2), and described flange (21) is provided with multiple shell fragments (6);
Annular support member (4), it is upper with removable along the vertical direction that described annular support member (4) is supported on described multiple shell fragment (6);
Coil panel (3), described coil panel (3) is arranged on described annular support member (4) above and is positioned at the below of described annular support member (4), described bottom opening (23) and described coil panel (3) adaptation;
Air channel support (81), described air channel support (81) is located in the exterior bottom wall of described outer pot (2), the upper surface of described air channel support (81) is provided with the outer annular protrusion (821) of protruding towards described coil panel (3), described outer annular protrusion (821) width and described coil panel width adaptation diametrically diametrically, described outer annular protrusion (821), the upper surface of described air channel support (81), the lower surface of described coil panel (3) and described outer pot (2) limit the air channel (820) with air inlet (8201) and air outlet (8202) jointly, and
Fan (83), described fan (83) is located at described air outlet (8202) and locates.
2. pressure cooker according to claim 1, is characterized in that, described outer annular protrusion (821) width is diametrically 7 millimeters-11 millimeters.
3. pressure cooker according to claim 1, is characterized in that, the upper surface of described outer annular protrusion (821) is provided with the silica gel block piece for stopping described coil panel (3).
4. pressure cooker according to claim 1, is characterized in that, described outer annular protrusion (821) comprising:
The first periphery wall (8211) that each interval is arranged and the second periphery wall (8212), the upper surface of described the first periphery wall (8211), described the second periphery wall (8212) and described air channel support (81) limits the unlimited annular groove in upper end.
5. pressure cooker according to claim 4, it is characterized in that, the upper surface of described air channel support (81) is provided with interior annular protrusion (822), described interior annular protrusion (822) is positioned at described outer annular protrusion (821), described interior annular protrusion (822) comprises the first internal perisporium (8221) and the second internal perisporium (8222) that are spaced apart from each other, between described the first periphery wall (8211) and described the second internal perisporium (8222), limit annular region (820), described coil panel (3) is annular and relative with described annular region (820) on above-below direction.
6. pressure cooker according to claim 5, is characterized in that, the ratio of the area of the area of described annular region (820) and described coil panel (3) is 0.15-0.40.
7. ask the pressure cooker described in 1 according to claim, it is characterized in that, described air channel support (81) limits described air inlet (8201) jointly with the inside edge of described bottom opening (23), and described air outlet (8202) is located on described air channel support (81).
8. pressure cooker according to claim 1, it is characterized in that, described air channel support (81) is provided with the tubular conduit (811) to downward-extension, described tubular conduit (811) is communicated with described air outlet (8202) and the lower surface of described tubular conduit (811) is inclined-plane, described fan (83) is located on described inclined-plane, the lower surface of described tubular conduit (811) along described pressure cooker radially direction be from inside to outside inclined upwardly.
9. pressure cooker according to claim 8, it is characterized in that, also comprise: power panel (9), described power panel (9) is located on described air channel support (81), described power panel (9) has the heat dissipation wind channel (91) being communicated with extraneous and described air channel respectively, and described fan (83) is for aspirating the air in described air channel and described heat dissipation wind channel (91).
10. pressure cooker according to claim 9, it is characterized in that, described power panel (9) is provided with IGBT, between the fin (92) of described IGBT and the outer wall (8111) of described tubular conduit (811), jointly limit described heat dissipation wind channel (91), described heat dissipation wind channel (91) and described air channel are communicated with by the through hole (8112) being located on the outer wall (8111) of described tubular conduit (811).
11. pressure cookers according to claim 1, is characterized in that, also comprise:
Waterproof separator (5), described waterproof separator (5) is located at the centre bore (44) of described annular support member (4) and locates and be positioned at above described coil panel (3).
12. pressure cookers according to claim 11, it is characterized in that, described waterproof separator (5) is tabular and radially inwardly downward-sloping from this waterproof separator (5), the center of described waterproof separator (5) is provided with hollow posts (51), and described hollow posts (51) is passed down through described coil panel (3).
13. according to the pressure cooker described in any one in claim 1-12, it is characterized in that, described air outlet (8202) is positioned at the below of described coil panel (3) and departs from the center of described coil panel (3).
14. pressure cookers according to claim 1, it is characterized in that, described flange (21) be provided with described shell fragment (6) one by one corresponding and for the strain of described shell fragment (6) provide dodge space (222) dodge recess (22).
15. pressure cookers according to claim 14, it is characterized in that, the described recess (22) of dodging, for by the groove of dodging that a part for described flange (21) is become to concave, is dodged on groove described in described shell fragment (6) covers.
16. pressure cookers according to claim 14, it is characterized in that, the described recess (22) of dodging is by limiting from the upper surface of described flange (21) protuberance (221) protruding upward, and described shell fragment (6) is supported on described protuberance (221).
17. pressure cookers according to claim 14, is characterized in that, the radial dimension of dodging the part of recess (22) described in described flange (21) is provided with is greater than the radial dimension of the remainder of described flange (21).
18. pressure cookers according to claim 1, is characterized in that, described annular support member (4) comprising:
Ring body (41);
Multiple support columns (42), multiple described support columns (42) are along on the lower surface that is circumferentially located at interval described ring body (41) of ring body (41) and be supported on correspondingly respectively on described shell fragment (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420407416.0U CN203987551U (en) | 2014-07-22 | 2014-07-22 | Pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420407416.0U CN203987551U (en) | 2014-07-22 | 2014-07-22 | Pressure cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203987551U true CN203987551U (en) | 2014-12-10 |
Family
ID=52027648
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420407416.0U Withdrawn - After Issue CN203987551U (en) | 2014-07-22 | 2014-07-22 | Pressure cooker |
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| CN (1) | CN203987551U (en) |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141210 Effective date of abandoning: 20170606 |
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| AV01 | Patent right actively abandoned |