CN204500321U - Can the pan of long-acting thermal-insulating - Google Patents

Abstract

The utility model be about a kind of can the pan of long-acting thermal-insulating, mainly comprise outer pot and interior pot, outer pot includes outer pan body and is connected to the thermal protection the bottom of a pan of bottom of outer pan body, and surround formation shallow storage space in outer pan body and the thermal protection the bottom of a pan, the thermal protection the bottom of a pan includes the base being connected to outer pan body, that is located at base central authorities leads flame block and multiple in around being arranged at the heat insulating block of leading around flame block, base has into burner, interior pot correspondence is arranged in this shallow storage space and correspondence is resisted against each heat insulating block, interior pot includes inner pan body, the carrying handle being located at inner pan body opposite side for a pair and the interior the bottom of a pan be connected to bottom inner pan body, inner pan body in apical margin radial loop around being convexly equipped with against edge, to be resisted against the apical margin of outer pan body against edge, gap is formed between the outside of inner pan body and the inner side of outer pan body, the utility model by this thermal protection the bottom of a pan Fast Heating, and makes this outer pan body be sealed in by heat between this thermal protection the bottom of a pan and interior pot, reaches Fast Heating, exempts from fire insulation and exempts from the continuous effect of rolling of fire.

Description

Can the pan of long-acting thermal-insulating

Technical field

The utility model relates to a kind of ovenware, especially a kind of can the pan of long-acting thermal-insulating.

Background technology

As shown in figure 12, it is general pan 50, usually water or food materials to be boiled can be put in this pan 50, and be positioned on a stove and accessory 60 and heat, it is edible after the food materials of this pan 50 inside are boiled by heating, because the bottom surface of this pan 50 is planar structure, has no idea to retain heat energy and the efficiency of heating surface is poor, except the time need heated except this pan 50 is longer, after this pan 50 stops heating, be positioned at the heat just easy loss bottom this pan 50, cause the heat insulation effect of this pan 50 poor, the necessity be improved in fact.

Utility model content

In order to solve the existing pan efficiency of heating surface and the poor problem of heat insulation effect, the purpose of this utility model be to provide a kind of can the pan of long-acting thermal-insulating, its outside pot bottom be provided with the thermal protection the bottom of a pan, can be used for the heating of concentrated stove fire and promote the efficiency of heating surface, and the heat that can retain stove fire heating is incubated, so as to promoting the heating and heat insulation effect that existing pan cannot reach.

The technological means that the utility model uses be to provide a kind of can the pan of long-acting thermal-insulating, comprising:

One outer pot, it includes an outer pan body and a thermal protection the bottom of a pan, this outer pan body has a under shed, this thermal protection the bottom of a pan correspondence is arranged at the position of this outer pan body this under shed contiguous, and include a base, and be located at leading flame block and being multiplely surrounded on this and leading flame block and the heat insulating block being located at this base of these base central authorities, this base has into burner;

Pot in one, its corresponding inner side loading this outer pot, and include an inner pan body, be located at the carrying handle and of this inner pan body opposite side for a pair and be connected to the interior the bottom of a pan bottom this inner pan body, this inner pan body in apical margin radial loop around being convexly equipped with one against edge, to be resisted against the apical margin of this outer pan body against edge with this, and to make to form gap between the outside of this inner pan body and the inner side of this outer pan body.

As above can the pan of long-acting thermal-insulating, wherein the base in this thermal protection the bottom of a pan include a base plate, be convexly equipped in this base plate and in circular leg and multiple interval and around be arranged on this base plate against rib, this leads flame block and each heat insulating block is corresponding is respectively arranged at each against rib of this base.

As above can the pan of long-acting thermal-insulating, wherein the base in this thermal protection the bottom of a pan is convexly equipped with multiple staggered and spaced projection in each end face against rib; This thermal protection the bottom of a pan lead that flame block includes a heat-conducting part, a radial loop is around in this heat-conducting part top perimeter against edge and multiple spaced apart breach being located at this heat-conducting part, it is corresponding to being located at corresponding each projection against edge with this that this leads flame block.

As above can the pan of long-acting thermal-insulating, wherein the flame block of leading in this thermal protection the bottom of a pan offers in the end face of heat-conducting part and leads fiery ditch in criss-cross, form a perforation in the central authorities respectively leading fiery ditch staggered, and lead fire hole along what respectively lead that fiery ditch offers that more than one correspondence is communicated to corresponding breach respectively.

As above can the pan of long-acting thermal-insulating, wherein each heat insulating block has a heating part, more than one thermal hole against edge and this heating part through being formed at this heating part side respectively, and each heat insulating block is resisted against corresponding each projection with described against edge.

As above can the pan of long-acting thermal-insulating, wherein the flame block of leading in this thermal protection the bottom of a pan offers in the end face of heat-conducting part and leads fiery ditch in rice shape, form a perforation in the central authorities respectively leading fiery ditch staggered, and in wherein at least half lead that fiery ditch respectively offers that more than one correspondence is communicated to corresponding breach lead fire hole.

As above can the pan of long-acting thermal-insulating, wherein each heat insulating block has a heating part, more than one thermal hole against edge and this heating part through being formed at this heating part side respectively, and each heat insulating block is resisted against corresponding each projection with described against edge.

As above can the pan of long-acting thermal-insulating, wherein each heat insulating block offers one recessed and be communicated with the fire-guiding channel of described thermal hole at the end face of this heating part.

As above can the pan of long-acting thermal-insulating, wherein this thermal protection the bottom of a pan is provided with a base gate in the below of this base, and this base gate is can be arranged at the below entering burner of this base by movable opening/shutting mode.

As above can the pan of long-acting thermal-insulating, this base gate includes the hand handle that is located at underframe below this base, a gate sheet and that can be arranged at actively between this base and this underframe is linked to this gate sheet; Be provided with a gate hole in this underframe, be provided with one by the banking stop in this gate hole in this gate sheet.

As above can the pan of long-acting thermal-insulating, wherein in this outer pan body to the outer surface of base gate multiple ventilating opening should be provided with, combine in this gate sheet and be provided with the baffle plate that can cover each ventilating opening.

As above can the pan of long-acting thermal-insulating, be wherein provided with multiple ventilating opening and in the outer surface of this outer pan body and block outside each ventilating opening and can the movable outer pot gate opened.

As above can the pan of long-acting thermal-insulating, wherein the spaced surface in the interior the bottom of a pan of this interior pot is convexly equipped with the heated beam of multiple rectangular hollow form or hollow form triangular in shape.

Effect enhancement that the utility model can obtain includes:

1, outer pot of the present utility model is coated on the outside of interior pot, and the heat obtained when the thermal protection the bottom of a pan being heated by external heat source, in the mode of conduction, convection current or radiation, hot-fluid is passed to interior pot, enable the long-acting state keeping heating of interior pot, treat that external heat source stops for seasonable, the thermal protection the bottom of a pan still can keep the specific condition of high temperature, makes heat can not loss easily, and can produce and exempt from the continuous effect of rolling of fire.

2, outer pot of the present utility model the thermal protection the bottom of a pan by thermal source can be led lead flame block and multiple can the design of heat insulating block of central heat source, enable thermal source fast and the bottom-heated of the interior pot that leads fifty-fifty, and reach the effect of Fast Heating, and then shorten the use of heat time, saving thermal source.

3, the utility model can have in outer pot bottom and arranged outside the movable gate that can be used for closing into burner and ventilating opening further, can be used for heating container outer pot being formed complete closure, and making the not easily outwards loss again of inner hot-fluid, hot gas also not easily exposes and causes environment to heat up.

Accompanying drawing explanation

The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:

Fig. 1 is the outside drawing of the utility model first preferred embodiment.

Fig. 2 is the exploded view of the utility model first preferred embodiment.

Fig. 3 is the exploded view in the utility model first preferred embodiment thermal protection the bottom of a pan.

Fig. 4 is that the utility model first preferred embodiment thermal protection the bottom of a pan is in the exploded view at another visual angle.

Fig. 5 is the sectional perspective profile of the utility model first preferred embodiment.

Fig. 6 is the part sectioned view of the utility model first preferred embodiment.

Fig. 7 is the using state figure of the utility model first preferred embodiment.

Fig. 8 is the enlarged drawing of the local using state of the utility model first preferred embodiment.

Fig. 9 is the sectional perspective profile of the utility model second preferred embodiment.

Figure 10 is the exploded view of the utility model the 3rd preferred embodiment.

Figure 11 is that the utility model the 3rd preferred embodiment thermal protection the bottom of a pan is in the exploded view at another visual angle.

Figure 12 is the using state profile of existing pan.

Main element label declaration:

10,10B outer pot 11,11B outer pan body

111 rings support edge 112 ventilating opening

113 outer pot gate 114 fixing holes

115 keeper 12 bases

121 base plate 1211 screws

122 enter burner 123 leg

124 against rib 1241 projection

125 chutes 13,13B lead flame block

131,131B heat-conducting part 1311 leads fiery ditch

1312 perforations 1313 lead fire hole

132 against edge 133 breach

14,14B heat insulating block 141,141B heating part

142 against edge 143 thermal hole

144 fire-guiding channel 15 base gates

151,151B underframe 1511 gate hole

152,152B gate sheet 1521 banking stop

1522 boards 153,153B hand handle

154 baffle plates

Pot 21 inner pan body in 20

211 against edge 22 carrying handle

23, the bottom of a pan 231,231A heated beam in 23A

232 hot-fluid spaces

40 stove and accessorys

50 pans

60 stove and accessorys

Detailed description of the invention

In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and detailed description of the invention of the present utility model is described.

The utility model be a kind of can the pan of long-acting thermal-insulating, refer to the first preferred embodiment shown in Fig. 1 to Fig. 6, it comprises pot 20 in an outer pot 10 and.

As shown in Figures 1 and 2, this outer pot 10 includes outer pan body 11 and a thermal protection the bottom of a pan, this outer pan body 11 is a hollow cylindrical body and has a upper shed, one under shed, one ring supports edge 111, multiple ventilating opening 112, one outer pot gate 113 and multiple fixing hole 114, this upper shed and this under shed are formed at the upper of this outer pan body 11 respectively, bottom, this ring supports edge 111 radial projection and is adjacent to this upper shed place in the periphery of this outer pan body 11, each ventilating opening 112 is in horizontal Tile and the spaced apart outer surface being located at this outer pan body 11 wherein side, this outer pot gate 113 is opened movably and is arranged at the outside of each ventilating opening 112, can be used for closed each ventilating opening, preferably, this road outer pot gate 113 is in longitudinally opening, each fixing hole 114 is strip hole and at equal intervals around the outer surface being opened in this outer pan body 11, place in each fixing hole 114 and be provided with positioning piece 115, the keeper 115 of embodiment is bolt as shown in the figure.

As Fig. 2, shown in Fig. 3 and Fig. 4, this thermal protection the bottom of a pan correspondence is arranged at the position of this outer pan body 11 this under shed contiguous, and include a base 12, one leads flame block 13, multiple heat insulating block 14 and a base gate 15, this base 12 includes a rounded base plate 121, one form in base plate 121 central authorities enter burner 122, one be convexly equipped in this base plate 121 and in circular leg 123 and multiple interval and around be arranged on this base plate 121 against rib 124, wherein, circumferential lateral surface radial direction in this base plate 121 is provided with multiple screw 1211 corresponding respectively to each fixing hole 114, this base plate 121 is aligned with each fixing hole 114 respectively with each screw 1211, and place corresponding fixing hole 114 with each keeper 115 and be locked on corresponding screw 1211 with screw thread, this base plate 121 is made to be connected to inside this outer pan body 11 adjustably, respectively against the height of rib 124 lower than the height of this leg 123, multiple interlocking and spaced projection 1241 is respectively convexly equipped with against rib 124 in end face, can be used for reducing the effect that contact area also reaches heat conduction simultaneously, preferably, respectively be respectively equipped with five projections 1241 against rib 124, each projection 1241 is in left, right septum is staggered.

This is led flame block 13 correspondence and is arranged at the position entering burner 122 of this base 12 and is resisted against contiguous this and enters on each projection 1241 of burner 122, this is led flame block 13 and includes a heat-conducting part 131, one radial loop be around in this heat-conducting part 131 top perimeter against edge 132 and multiple spaced apart breach 133 being located at this heat-conducting part 131, wherein, this heat-conducting part 131 forms the cone of convergent downwards, and form smooth surface in top, offer in the end face of this heat-conducting part 131 and lead fiery ditch 1311 in criss-cross, and form a perforation 1312 in the central authorities that this leads fiery ditch 1311 staggered, fire hole 1313 is led along what respectively lead that 1311, fiery ditch offers that multiple correspondence is communicated to each breach 133 respectively, this is led flame block 13 and is resisted against on corresponding each projection 1241 against edge 132 correspondence with this.

Each heat insulating block 14 is surrounded on each of this base 12 respectively and arranges against rib 124, and be resisted against above corresponding each projection 1241 respectively, preferably, the present embodiment in this base 12 be provided with eight at equal intervals around arrange against rib 124, and be provided with eight corresponding to being located at respectively against the heat insulating block 14 of rib 124 respectively, each heat insulating block 14 is fan-shaped respectively and has a heating part 141, two against edge 142 and a thermal hole 143, this heating part 141 is in fan-shaped bulk, these two two opposite sides being laterally convexly equipped in this heating part 141 against edge 142 respectively, the middle position of longitudinal this heating part 141 through of this thermal hole 143, each heat insulating block 14 with this two against edge 142 be arranged at respectively two adjoining (namely adjacent) against rib 124, and correspondence is resisted against corresponding each projection 1241.

This base gate 15 can be arranged at the bottom of this base 12 by horizontal anomalous movement opening/shutting mode, and includes underframe 151, gate sheet 152 and on the other hand 153; This underframe 151 is fixedly arranged on the bottom of this base 12 and is positioned at the below that this enters burner 122, be provided with a frame in this underframe 151 and enclose the gate hole 1511 that this enters burner 122, this gate sheet 152 is planted movably and is incorporated into this underframe 151 and this to enter between burner 122 and to be provided with one by the banking stop 1521 in this gate hole 1511, this hand is incorporated into the side of this gate sheet 152 towards this outer pan body 11 outside 153, this hand can be utilized to drive slidably this gate sheet 152 maybe this to be entered burner 122 to the unlatching scope adjusting this and enter burner 122 153 and close.

This interior pot 20 correspondence loads the inner side of this outer pot 10, and include an inner pan body 21, the bottom of a pan 23 in a pair carrying handle 22 and, the apical margin radial loop of this inner pan body 21 is around being convexly equipped with one against edge 211, this is arranged at this two opposite sides against edge 211 respectively to carrying handle 22, the ring that this inner pan body 21 is resisted against this outer pan body 11 with this against edge 211 supports edge 111, and make to form gap between the inner side of the outside of this inner pan body 21 and this outer pan body 11, this interior the bottom of a pan 23 is connected to the bottom of this inner pan body 21, and the spaced surface in this interior the bottom of a pan 23 is convexly equipped with multiple heated beam 231, preferably, the rectangular hollow columnar of each heated beam 231, and multiple hot-fluid space 232 is formed in bottom side, can flow into and produce heat insulation effect by heating air.

The occupation mode of the utility model preferred embodiment as shown in Figures 7 and 8, food materials for boiling can load in this interior pot 20 by user, again this interior pot 20 is loaded the inside of this outer pot 10, again this outer pot 10 is placed on a stove and accessory 40 and heats, now, this stove and accessory 40 directly heats the thermal protection the bottom of a pan of this outer pot 10, in heating process, the fireworks that this stove and accessory 40 produces directly are altered to burn by this base 12 and are led flame block 13 to this, also special formed each heat insulating block 14 that fireworks guiding can be positioned at surrounding of flame block 13 is led by this, the temperature of each heat insulating block 14 is raised fast, the fireworks allowing this stove and accessory 40 produce heat efficiently, simultaneously, add hanker produced hot-fluid also will flow into this interior the bottom of a pan 23 hot-fluid space 232 in, and heating can be carried out for the bottom of this interior pot 20 equably and boil, when the flame of this stove and accessory 40 is closed, can be closed this by this outer pot gate 113 and this base gate 15 and enter burner 122 and this ventilating opening 112, this outer pot 10 is made to form the heating container of complete closure, and make the not easily outwards loss again of inner hot-fluid, hot gas also not easily exposes and causes environment to heat up, and, the overall volume in this thermal protection the bottom of a pan is larger, the bottom of a pan that the heat that can absorb is more general is more, therefore, the utility model can provide being incubated without fire and continuing the effect of rolling without fire of long period, make the heat energy after heating can not loss easily, as long as after user once heats, just can grow guarantor's high temperature, also fuel cost can be reduced, considerably practical and convenient.

As shown in Figure 9, it is roughly the same with the first preferred embodiment in second preferred embodiment of the present utility model, and difference is that the heated beam 231A of this interior the bottom of a pan 23A is triangle hollow columnar, and remaining embodiment is all roughly the same with the first preferred embodiment.

3rd preferred embodiment of the present utility model as shown in Figures 10 and 11, it is roughly the same with the first preferred embodiment, difference is the part-structure design of this outer pot 10B: wherein, this outer pot 10B includes an outer pan body 11B and a thermal protection the bottom of a pan, this outer pan body 11B has a upper shed, one under shed, one ring supports edge 111, multiple ventilating opening 112, multiple fixing hole 114 and multiple keeper 115, wherein each ventilating opening 112 arrangement in longitudinal separation, each fixing hole 114 is in longitudinal strip hole and at equal intervals around the outer surface being opened in this outer pan body 11, each keeper 115 respectively comprises a bolt and the long nut of a hexagonal, with each bolt by outside this outer pan body 11B respectively correspondence wear each fixing hole 114 and stretch into inside this outer pan body 11B sealed with the long nut of each hexagonal, allow each keeper 115 longitudinally can adjust ground positioning height.

This thermal protection the bottom of a pan correspondence is arranged at inside this outer pan body 11B, it is inserted by the upper shed of this outer pan body 11B, and be sticked in above each keeper 115 of respectively stretching into inside this outer pan body 11B with bottom correspondence, it is preferred that this thermal protection the bottom of a pan includes a base 12, lead flame block 13B, multiple heat insulating block 14B and a base gate 15B; Wherein, the bottom of this base 12 is arranged with a chute 125; What this led that flame block 13B offers in rice shape configuration in the end face of this heat-conducting part 131B leads fiery ditch 1311, respectively lead fiery ditch 1311 can run through or not run through this and lead flame block 13B, as shown in the figure embodiment wherein four lead fiery ditch 1311 and do not run through this and lead flame block 13B, such as in wherein at least half lead that fiery ditch respectively offers that more than one correspondence is communicated to corresponding breach lead fire hole; Each heat insulating block 14B is provided with one recessed and by the fire-guiding channel 144 of this thermal hole 143 at the end face of this heating part 141B, each fire-guiding channel 144 is communicated to this and leads the corresponding of flame block 13B and lead fiery ditch 1311.This base gate 15B can be arranged at the bottom of this base 12 by horizontal anomalous movement opening/shutting mode, and includes a underframe 151B, a gate sheet 152B, on the other hand 153B and a baffle plate 154, this underframe 151B is fixedly arranged on the bottom of this base 12 and is positioned at the below that this enters burner 122, be provided with a frame in this underframe 151B and enclose the gate hole 1511 that this enters burner 122, this gate sheet 152B plants the chute 125 that is incorporated into bottom this base 12 and be provided with by the banking stop 1521 in this gate hole 1511 movably, and in the board 1522 that the side bending formation one that this gate sheet 152B passes this outer pan body 11B outside combines 153B for this hand, this hand can be utilized to drive slidably this gate sheet 152B maybe this to be entered burner 122 to the unlatching scope adjusting this and enter burner 122 153B close, this baffle plate 154 be incorporated into this gate sheet 152B pass this outer pan body 11B outside plate face and to should each ventilating opening 112 of outer pan body 11B, this gate sheet 152B close this enter burner 122 time, this baffle plate 154 can cover each ventilating opening 112, reaching once-through operation just makes this outer pot 10B form closed state.

The foregoing is only the schematic detailed description of the invention of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, the local done under the prerequisite not departing from design of the present utility model and principle replacement, change, conversion, variation or the equivalence of modifying change and amendment, all should belong to the scope of the utility model protection.And it should be noted that, each part of the present utility model is not limited in above-mentioned overall applicability, the each technical characteristic described in description of the present utility model can select one to adopt separately or select the multinomial use that combines according to actual needs, therefore, the utility model covers other relevant with this case inventive point in the nature of things and combines and embody rule.

Claims (18)

1. can the pan of long-acting thermal-insulating, it is characterized in that, describedly can the pan of long-acting thermal-insulating to comprise:

One outer pot, it includes an outer pan body and a thermal protection the bottom of a pan, described outer pan body has a under shed, described thermal protection the bottom of a pan correspondence is arranged at the position of the contiguous described under shed of described outer pan body, the described thermal protection the bottom of a pan include a base, be located at described base central authorities lead flame block and multiple be surrounded on described in lead flame block and be located at the heat insulating block of described base, described base has into burner;

Pot in one, its corresponding inner side loading described outer pot, described interior pot includes an inner pan body, be located at the carrying handle and of described inner pan body opposite side for a pair is connected to the interior the bottom of a pan bottom described inner pan body, described inner pan body in apical margin radial loop around being convexly equipped with one against edge, with the described apical margin being resisted against described outer pan body against edge, between the outside of described inner pan body and the inner side of described outer pan body, form gap.

2. as claimed in claim 1 can the pan of long-acting thermal-insulating, it is characterized in that, the base in the described thermal protection the bottom of a pan include a base plate, be convexly equipped in described base plate and in circular leg and multiple interval and around be arranged on described base plate against rib, described in lead flame block and each described heat insulating block is corresponding is respectively arranged at each described against rib of described base.

3. as claimed in claim 2 can the pan of long-acting thermal-insulating, it is characterized in that, the base in the described thermal protection the bottom of a pan is convexly equipped with multiple staggered and spaced projection in each described end face against rib; The described thermal protection the bottom of a pan lead that flame block includes a heat-conducting part, a radial loop is around in described heat-conducting part top perimeter against edge and multiple spaced apart breach being located at described heat-conducting part, described in lead flame block with described corresponding to being located at corresponding each described projection against edge.

4. as claimed in claim 3 can the pan of long-acting thermal-insulating, it is characterized in that, the flame block of leading in the described thermal protection the bottom of a pan offers in the end face of described heat-conducting part and leads fiery ditch in criss-cross, the central authorities leading fiery ditch described in each staggered form a perforation, and lead fire hole along what lead that fiery ditch offers that more than one correspondence is communicated to corresponding described breach respectively described in each.

5. as claimed in claim 4 can the pan of long-acting thermal-insulating, it is characterized in that, each described heat insulating block has a heating part, more than one thermal hole against edge and a through described heating part being formed at described heating part side respectively, and each described heat insulating block is resisted against corresponding each described projection with described against edge.

6. as claimed in claim 3 can the pan of long-acting thermal-insulating, it is characterized in that, the flame block of leading in the described thermal protection the bottom of a pan offers in the end face of described heat-conducting part and leads fiery ditch in rice shape, the central authorities leading fiery ditch described in each staggered form a perforation, and lead fire hole in what wherein at least lead described in half that fiery ditch respectively offers that more than one correspondence is communicated to corresponding described breach.

7. as claimed in claim 6 can the pan of long-acting thermal-insulating, it is characterized in that, each described heat insulating block has a heating part, more than one thermal hole against edge and a through described heating part being formed at described heating part side respectively, and each described heat insulating block is resisted against corresponding each described projection with described against edge.

8. as claimed in claim 7 can the pan of long-acting thermal-insulating, it is characterized in that, each described heat insulating block offers one recessed and be communicated with the fire-guiding channel of described thermal hole at the end face of described heating part.

9. as claimed in claim 3 can the pan of long-acting thermal-insulating, it is characterized in that, each described heat insulating block has a heating part, more than one thermal hole against edge and a through described heating part being formed at described heating part side respectively, and each described heat insulating block is resisted against corresponding each described projection with described against edge.

10. as claimed in any one of claims 1-9 wherein can the pan of long-acting thermal-insulating, it is characterized in that, the described thermal protection the bottom of a pan is provided with a base gate in the below of described base, and described base gate is can be arranged at the below entering burner of described base by movable opening/shutting mode.

11. as claimed in claim 10 can the pan of long-acting thermal-insulating, it is characterized in that, described base gate includes the hand handle that is located at underframe below described base, a gate sheet and that can be arranged at actively between described base and described underframe is linked to described gate sheet.

12. as claimed in claim 11 can the pan of long-acting thermal-insulating, it is characterized in that, is provided with a gate hole in described underframe, is provided with one by the banking stop in described gate hole in described gate sheet.

13. as claimed in claim 12 can the pan of long-acting thermal-insulating, and it is characterized in that, the outer surface in the corresponding described base gate of described outer pan body is provided with multiple ventilating opening, combines be provided with the baffle plate that can cover each described ventilating opening in described gate sheet.

14. as claimed in claim 13 can the pan of long-acting thermal-insulating, and it is characterized in that, the spaced surface in the interior the bottom of a pan of described interior pot is convexly equipped with the heated beam of multiple rectangular hollow form.

15. as claimed in claim 13 can the pan of long-acting thermal-insulating, and it is characterized in that, the spaced surface in the interior the bottom of a pan of described interior pot is convexly equipped with the heated beam of multiple hollow form triangular in shape.

16. as claimed in claim 10 can the pan of long-acting thermal-insulating, it is characterized in that, is provided with multiple ventilating opening and blocks outside each described ventilating opening and can the movable outer pot gate opened in the outer surface of described outer pan body.

17. as claimed in any one of claims 1-9 wherein can the pan of long-acting thermal-insulating, and it is characterized in that, the spaced surface in the interior the bottom of a pan of described interior pot is convexly equipped with the heated beam of multiple rectangular hollow form.

18. as claimed in any one of claims 1-9 wherein can the pan of long-acting thermal-insulating, and it is characterized in that, the spaced surface in the interior the bottom of a pan of described interior pot is convexly equipped with the heated beam of multiple hollow form triangular in shape.