CN207613615U - The Chafing dish utensil of swollen hot type heating device and the application swollen hot type heating device - Google Patents

Abstract

The utility model discloses the Chafing dish utensils of swollen hot type heating device and the application swollen hot type heating device, one of which heat expansion type heating device, including heater and the pot body being arranged right over fever external surface, it is characterised in that the bottom of a pan of the pot body is equipped with to pot body medial surface protrusion and is adapted to the obform body of installation heater；The lateral surface of the heater and the bottom inside face of the obform body are embedded in coaxial manner, coordinate for maximal clearance between both, coordinate for maximal clearance i.e. between the lateral surface of heater and the bottom inside face of the obform body, the Chafing dish utensil of the swollen hot type heating device the invention also discloses a kind of application, solve the problems, such as that existing technology is left, it solves the left pot body of the prior art to be easy when personnel eat, so that pot body is fallen because personnel accidentally collide pot body, to cause personnel due to scald existing for human safety issues.Meanwhile also due to heater is close to pot body, heater and the heat transfer efficiency of pot body are effectively increased, pot body is heated in a short time.

Description

The Chafing dish utensil of swollen hot type heating device and the application swollen hot type heating device

Technical field

The utility model is related to a kind of cooking appliances, more particularly to a kind of Chafing dish utensil of Electric heating.

Background technology

Chafing dish, especially northern traditional mutton cooked in a chafing pot are all heated using charcoal, because charcoal heats Copper chafing dish Advantage be that charcoal fire forms vertical heated wall in the central part flue of chafing dish, heating effect is imitated with the heating of the pan the bottom of a pan It is good especially to rinse product effect compared to there is apparent difference for fruit.But traditional charcoal fire Copper chafing dish has a certain disadvantage at present, mainly Showing charcoal fire, there are unhygienic, hidden danger and cookware not easy cleanings.

Also a kind of chafing dish, using being that electromagnetic oven or thermocouple are heated, it is main to heat position for this mode of heating The bottom of a pan of concentration, and the bottom of a pan is flat or sharp bottom, this mode is very easy to make the bottom of a pan be burned when heated, increases simultaneously There is the risk for generating carcinogen in heating process repeatedly in swill.

If Chinese patent 2014206968543 discloses a kind of three-dimensional heating hot pot stove, which includes Pot body portion, electromagnetic heating portion, the electromagnetic heating portion include electromagnetic heating wire coil, shell, electromagnetic heating control assembly, the electricity Magnetic heating spool rest be mounted on shell on, the electromagnetic heating control assembly is located in shell, the electromagnetic heating control assembly and Electromagnetic heating wire coil connects, and the electromagnetic heating wire coil is located at case top, and the pot body portion is pot shape structure, and the electromagnetism adds Hot line panel surface is in the spherical surface of indent, and pot body portion bottom is spherical structure, and snorkel is equipped among the pot body portion, described Pot body portion is positioned over the position that electromagnetic heating portion is equipped with electromagnetic heating wire coil.The three-dimensional heating hot pot stove improves electromagnetic oven heating Structure, electromagnetic heating wire coil are consistent with the shape of pot body so that pot body and electromagnetic heating line

Disk fitting is placed, and the bottom surface and side for reaching pot body can heat, and realize three-dimensional heating.However, this knot The pot body portion of the three-dimensional heating hot pot stove of structure is positioned in electromagnetic heating portion, be easy in Shabu pot because user of service accidentally due to hit To pot body, pot body is made to fall from electromagnetic heating portion, scalds the personnel around Shabu pot.

Therefore how a kind of three-dimensional modelling electric chafing dish with conventional carbon chafing dish heating effect is provided and solution pot body is fallen It is the main technical problems to be solved in the utility model.

Invention content

The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, a kind of swollen hot type heating device is provided and is answered With the Chafing dish utensil of the swollen hot type heating device.

The utility model is achieved in the following ways, a kind of swollen hot type heating device, including heater and setting exist Pot body right over fever external surface, it is characterised in that the bottom of a pan of the pot body is equipped with to pot body medial surface protrusion and is adapted to peace Fill the obform body of heater, the heater is the torus that is stepped of section, and the upper surface of the heater is from interior circumferential direction Outer shroud continuously decreases, and the obform body is the coaxial round that section is stepped；

The lateral surface of the heater and the bottom inside face of the obform body are embedded in coaxial manner, are between both Maximal clearance coordinates.

So-called maximal clearance cooperation refers to when the bottom maximum inner edge of the obform body of pot body inner bulge week（That is medial surface Circumferential apertures）For maximum limit of size, and the outer circumference of heater（That is the circumferential apertures of lateral surface）For the minimum limit of size when, two It is maximum mated condition after person's assembly, referred to as maximal clearance coordinates.The cooperation of pot body and heater in the utility model Coordinated using maximal clearance, it is therefore an objective to convenient for when not heating, pot body is easy to take out from heater upper surface, and works as heater work When making, according to most of objects under general state, since particle (atom) movement in object can change with temperature, work as temperature When rising, the Oscillation Amplitude of particle increases, and object is enabled to expand;But upon a drop in temperature, the Oscillation Amplitude of particle will be reduced, and be made Body contracts；And the manufacture material of heater package is aluminium or cast iron is exactly according to such substance fundamental property, heater is heated After expand, to make fever outside be expanded with circumference radioactivity, to reach the lateral surface of heater and pot body protrusion The bottom inside face of obform body is close to and is tensioned to the bottom inside face of obform body, and pot body is made to be not easy to fall from heater or move, Effectively increase heater and the heat transfer efficiency of pot body simultaneously.

Further, the perpendicular line in the section of the lateral surface or parallax outside from up to down, the medial surface Second vertical line or from up to down outside second parallax of the section in adaptation lateral surface.

Further, the spacing of the maximal clearance cooperation is 0.1mm~0.15mm.

Further, the lateral surface is equipped with inclined surface with the upper surface infall.

Further, the heater includes the shell of one package electrical heating elements, and the electrical heating elements are nickel chromium triangle The material of one kind in heater strip or quartz heating tube, the shell of the electrical heating elements is aluminium or cast iron.

The utility model also provides a kind of Chafing dish utensil, includes the mounting seat and pot cover of upper end opening, the installation bottom The outside of seat is equipped with the either side along the symmetrical handle of mounting seat axis center, between two handles and is equipped with electric control system, It is characterized in that being equipped with the swollen hot type heating device as described in any of the above-described technical solution on the inside of the mounting seat.

Further, the heating device for realizing baking functions, the heating device are additionally provided on the inside of the mounting seat The second heater including baking tray and adaptation baking tray bottom, it is solid that the support in the mounting seat is arranged in second heater Determine on frame.

Further, second heater is disc, and upper surface is gradual with circumference radioactivity since the central shaft It is reduced to the excircle of the second heater, the upper surface of the baking tray is equipped with convex closure, and bottom, which is equipped with, is embedded in the second heater of adaptation Heating chamber, the heating chamber include be adapted to the second heater upper surface baking tray bottom and adaptation the second heater excircle Inner periphery.

Further, the mounting seat bottom is equipped with support leg, and the electric control system includes cabinet for electrical equipment, temperature Control device, power switch and the rotary switch for controlling temperature controller.

The Chafing dish utensil of a kind of swollen hot type heating device described in the utility model and the application swollen hot type heating device, has Have the beneficial effect that.

（1）, it is simple in structure, using the general expansion and contraction property of most of substances, the utility model generate heat body running when, Heater is set to expand with circumference radioactivity due to heated, to reach the lateral surface of heater and the obform body of pot body protrusion The bottom inside face of obform body is close to and is tensioned to bottom inside face, and pot body is made to be not easy to fall from heater or move.It solves existing There is the left pot body of technology to be easy, when personnel eat, to make pot body fall because personnel accidentally collide pot body, to cause Personnel due to scald existing for human safety issues.Meanwhile being same as heater and being close to pot body, effectively increase heater and pot The heat transfer efficiency of body, in a short time heats pot body.

（2）, since heater heating surface is to be close to combine with stairstepping, and heater setting exists with pot body heating surface The bottom of pot body protrusion obform body, such as traditional vertical heating of carbon fire, i.e., the heat that heater generates is to obform body and its week It encloses and is heated, since heater heating speed is fast, heat utilization rate is high, and harmful human body is strong during reducing chafing dish laser heating The formation of Kang Chengfen effectively prevent phenomenon of being burned, and improves the edible quality and mouthfeel of chafing dish product.

（3）, can rinse using the Chafing dish utensil chafing dish of the swollen hot type heating device, boil, the roasting Trinity, it is more using function Sample.

In conclusion by the application of the utility model, three-dimensional heating can be not only realized, solve the prior art and utilize electromagnetism Stove heat pan and be easy to cause the bottom of a pan and be burned, solve swill in heating process repeatedly exist generate carcinogen Risk, also solve the problems, such as that existing technology is left, that is, solve the left pot body of the prior art and be easy when personnel eat, So that pot body is fallen because personnel accidentally collide pot body, to cause personnel due to scald existing for human safety issues.Together When, also due to the lateral surface of heater and the bottom inside face of the obform body are closely affixed, effectively increase heater and pot The heat transfer efficiency of body, in a short time, rapidly heats pot body.

Description of the drawings

Fig. 1 the utility model is swollen hot type heating device Standard schematic diagram.

Fig. 2 is the swollen hot type heating device structure first angle schematic diagram of the utility model.

Fig. 3 is the swollen hot type heating device structure second angle schematic diagram of the utility model.

Fig. 4 is the swollen hot type heating device structural profile illustration of the utility model.

Fig. 5 the utility model pot body diagrammatic cross-sections.

Fig. 6 is the utility model heater diagrammatic cross-section.

Fig. 7 expands schematic diagram for structure at the A in Fig. 4.

Fig. 8 is the first structure of fever outside（Vertical plane）Schematic diagram.

Fig. 9 expands schematic diagram for structure at the B in Fig. 8.

Figure 10 is fever second of structure of outside（Inclined surface）Schematic diagram.

Figure 11 expands schematic diagram for structure at the C in Figure 10.

Figure 12 is the first structure of medial surface（Second vertical plane）Schematic diagram.

Figure 13 expands schematic diagram for structure at the D in Figure 12.

Figure 14 is second of structure of medial surface（Second inclined surface）Schematic diagram.

Figure 15 expands schematic diagram for structure at the E in Figure 14.

Figure 16 is the schematic diagram using the swollen hot type heating device structure Chafing dish utensil of the utility model.

Figure 17 is the first Chafing dish utensil embodiment schematic diagram using the swollen hot type heating device structure of the utility model.

Figure 18 is to show using the first Chafing dish utensil embodiment section of the swollen hot type heating device structure of the utility model It is intended to.

Figure 19 is to show using the first Chafing dish utensil embodiment decomposition of the swollen hot type heating device structure of the utility model It is intended to.

Figure 20 is second of Chafing dish utensil embodiment schematic diagram using the swollen hot type heating device structure of the utility model.

Figure 21 is to show using second of Chafing dish utensil embodiment section of the swollen hot type heating device structure of the utility model It is intended to.

Figure 22 is to show using the second pot body in second of Chafing dish utensil of the swollen hot type heating device structure of the utility model It is intended to.

Figure 23 is to show using second of Chafing dish utensil embodiment decomposition of the swollen hot type heating device structure of the utility model It is intended to.

In figure：Heater 1, pot body 2, fit clearance 3, mounting seat 4, pot cover 5, handle 6, heating device 8, lateral surface 11, section is stepped torus 12, upper surface 13, the bottom of a pan 21, pot body medial surface 22, obform body 23, medial surface 24, section The coaxial round 25 that is stepped, contact surface 26, support leg 41, cabinet for electrical equipment 42, power switch 43, rotary switch 44, Baking tray 81, the second heater 82, supporting and mounting bracket 83, vertical line 110, parallax 111, inclined surface 130, the second vertical line 240, Second parallax 241, upper surface 810, convex closure 811, heating chamber 812, baking tray bottom 813, inner periphery 814, upper surface 820, outer circle Week 821.

Specific implementation mode

The utility model will be further described below in conjunction with the accompanying drawings.

Such as attached drawing 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14 and figure Shown in 15, a kind of swollen hot type heating device, including heater 1 and the pot body 2 that is arranged right over 1 outer surface of heater, it is described Heater 1 is the torus 12 that section is stepped comprising upper surface 13 and lateral surface 11, it is further as the utility model Improvement, the upper surface 13 of the heater continuously decreases from inner ring to outer shroud, convenient for 1 upper surface 13 of heater and pot body 2 The bottom of a pan 21 forms the face contact of part, reduces the phenomenon that the bottom of a pan 21 is burned.As shown in Figure 8 and Figure 9, the lateral surface 11 The perpendicular line 110 in section, the heater 1 include the shell of one package electrical heating elements, and manufacture package electrical heating elements The material of shell be aluminium, for those skilled in the art, the material of the shell of manufacture package electrical heating elements not only limits In aluminium, cast iron or the material of other general aspects with thermal conducting function can also be, and it is electrical in the utility model Element is one kind that the common electrical heating elements are in nickel chromium triangle heater strip or quartz heating tube in the market.

As shown in Fig. 3, Fig. 4 and Fig. 5, the pot body 2 includes the bottom of a pan 21 and and the pot body with the formation of the bottom of a pan 21 Shabu pot pot chamber The bottom of a pan 21 of medial surface 22, the pot body 2 is equipped with to 22 protrusion of pot body medial surface and is adapted to the obform body 23 of installation heater 1, The obform body 23 is the coaxial round 25 that section is stepped, and the bottom of the obform body 23 is equipped with outside adaptation heater 1 The medial surface 24 that side 11 is assembled and the contact surface 26 with 1 upper surface of heater, 13 partial face contact, the medial surface 24 are cut The heater 1 is embedded in into the different of 2 inside lateral projections of the pot body by face in the second vertical line 240 of adaptation lateral surface 11 Body 23, and make the central axis of the central shaft and pot body 2 of heater 1, the outside of the heater 1 after adaptation installation The bottom inside face 24 of face 11 and the obform body 23 is maximal clearance cooperation, i.e., the fit clearance 3 marked in attached drawing, it is so-called most Wide arc gap cooperation refers to when the bottom maximum inner edge of the obform body 23 of 1 inner bulge of pot body week（That is the circumferential apertures of medial surface 24）For Maximum limit of size, and the outer circumference of heater 1（That is the circumferential apertures of lateral surface 11）For the minimum limit of size when, the two assembly It is maximum mated condition afterwards, referred to as maximal clearance coordinates.According to aluminium or this substance of cast iron in the basic nature to expand with heat and contract with cold Under matter, between the spacing applied to the cooperation of the utility model maximal clearance is 0.1 millimeter to 0.15 millimeter, as shown in Figure 7.

Hot type heating device operation principle that this is swollen：Swollen hot type heating device in the utility model uses pot body 2 and hair Matching for hot body 1 is combined into maximal clearance cooperation, it is therefore an objective to convenient for when not heating, pot body 2 is easy to take from the upper surface of heater 1 13 Go out, and when heater 1 works, according to most of objects under general state, since the particle (atom) in object moves meeting Change with temperature, when temperature is raised, the Oscillation Amplitude of particle increases, and object is enabled to expand；And the manufacture material that heater 1 wraps up It is aluminium, according to such substance fundamental property, is expanded after heater 1 is heated, to make the lateral surface 11 of heater 1 be radiated with circumference Property expansion, the bottom inside face 24 to reach the lateral surface 11 of heater 1 obform body 23 raised with pot body 2 is close to and is tensioned The bottom inside face 24 of obform body 23 makes pot body be not easy to fall or move from heater 1.

As being further improved for above-mentioned utility model, the section of the lateral surface 11 is in addition to perpendicular line 110, section It can also be parallax 111 outside from up to down；Similarly, second in adaptation lateral surface 11 is removed in the section of the medial surface 24 Outside vertical line 240, section can also be the second outside from up to down parallax 241, the lateral surface 11 and medial surface 24 Section using outside inclination cable architecture from up to down, purpose can make the obform body 23 of pot body 2 be easy to put heater 1 into On.

The lateral surface 11 of the heater 1 is equipped with inclined surface 130 with 13 infall of end face thereon, reduces heater 1 and pot Pot body 2 is pierced through when 2 Long Term Contact use of body, if heater 1 is without this inclined surface 130（That is the lateral surface 11 of heater 1 It is right-angle side with 13 infall of end face thereon）It is then easy to pierce through pot body 2, shortens the service life of pot body 2.

To be vivider the utility model is illustrated, above-mentioned swollen heat is applied as shown in Figure 16, Figure 17, Figure 18 and Figure 19 The embodiment of the first Chafing dish utensil of formula heating device includes the mounting seat 4 and pot cover 5 of upper end opening, the installation The outside of pedestal 4 is equipped with the either side along the symmetrical handle 6 of 4 axis center of mounting seat, between two handles 6 and is equipped with electrical control System, 4 inside of the mounting seat are equipped with the expanding heating device heated for the pot body 2 with Shabu pot pot chamber, the heat expansion Formula heating device includes heater 1 and pot body 2, and the heater 1 is the torus 12 that section is stepped comprising upper surface 13 and lateral surface 11, the upper surface 13 of the heater continuously decreased from inner ring to outer shroud, convenient for 1 upper surface 13 of heater with The bottom of a pan 21 of pot body 2 forms the face contact of part, reduces the phenomenon that the bottom of a pan 21 is burned, the pot body 2 include the bottom of a pan 21 with And the pot body medial surface 22 of Shabu pot pot chamber is formed with the bottom of a pan 21, the bottom of a pan 21 of the pot body 2 is equipped with to 22 protrusion of pot body medial surface And it is adapted to the obform body 23 of installation heater 1, the obform body 23 is the coaxial round 25 that section is stepped, the abnormity The bottom of body 23 be equipped with adaptation 1 lateral surface 11 of heater assembly medial surface 24 and with 1 upper surface of heater, 13 partial face contact Contact surface 26, the heater 1 is embedded in the obform body 23 into 2 inside lateral projections of the pot body, and make heater 1 The central axis of central shaft and pot body 2, the bottom of the lateral surface 11 and the obform body 23 of the heater 1 after adaptation installation The gap of portion's medial surface 24 coordinates for maximal clearance, and the spacing applied to the cooperation of the utility model maximal clearance is 0.1 millimeter To between 0.15 millimeter, as shown in Figure 7.

4 exterior bottom of the mounting seat is equipped with the support leg 41 for being used to support entire Chafing dish utensil, the support leg 41 Be bolted device and be fixed in 4 bottom of the mounting seat, the electric control system include cabinet for electrical equipment 42, The outside of the temperature controller being fixed in cabinet for electrical equipment 42, the cabinet for electrical equipment 42 is equipped with power switch 43 and control temperature controller Rotary switch 44.

Using the Chafing dish utensil operation principle of swollen hot type heating device：It being powered, the swollen hot type heating device is heated, for For the utility model embodiment one, section be torus 12 heater 1 with being adapted to the hair that section is torus 12 The section of hot body 1 is after the pot body 2 of step-like coaxial round 25 is embedded in, after heater 1 works, according to most of objects Under general state, since particle (atom) movement in object can change with temperature, when temperature is raised, the vibration width of particle Degree increases, the physical principle of expanding with heat and contract with cold for enabling object expand, and the manufacture material that heater 1 wraps up is aluminium, according to such substance Fundamental property expands after heater 1 is heated, to make the lateral surface 11 of heater 1 be expanded with circumference radioactivity, to reach hair The lateral surface of hot body 1 is close to the bottom inside face 24 of the obform body 23 of 2 protrusion of pot body and is tensioned the bottom inside of obform body 23 Face 24 makes pot body 2 be not easy to fall or move from heater 1, solves the left pot body of the prior art and is easy when personnel eat, So that pot body is fallen because personnel accidentally collide pot body, to cause personnel due to scald existing for human safety issues；Together When, since the lateral surface 11 of heater 1 is close to the bottom inside face 24 of the obform body 23 of 2 protrusion of pot body, and 1 upper end of heater 13 part face of face is contacted with the contact surface 26 of the bottom of obform body 23, so that heater 1 is carried out 360 degrees omnidirection to pot body 2 and is added Heat makes the Chafing dish utensil of the embodiment be thermally formed a three-dimensional heating mode, to after heating with Shabu pot pot chamber Pot body 2 is defeated completely in terms of rinsing, boiling in the electromagnetic oven of pan class.

As being further improved for the above-mentioned swollen hot type heating device of application, the chafing dish device of basic structure and embodiment one Tool is consistent, is only different from the heating device 8 for increasing by one group on the base of embodiment one for realizing baking functions, the heating dress 8 the second heaters 82 for including 81 bottom of baking tray 81 and adaptation baking tray are set, second heater 82 is arranged at the installation bottom In supporting and mounting bracket 83 in seat 4.Second heater 82 be disc, upper surface 820 since central shaft gradually to The excircle 821 of second heater 82 reduces, and in present embodiment, second heater 82 includes one package electrical heating The shell of element, and the material for manufacturing the shell of package electrical heating elements is aluminium, and it is cast aluminium to manufacture 81 material of baking tray, it is described roasting The upper surface 810 of disk 81 is equipped with convex closure 811, and for the convex closure 811 when realizing baking functions, when such as carrying out barbecue, sliced meat are by convex closure 811 jack up, and generated grease drips from meat during barbecue, and is flowed between convex closure 811 and convex closure 811, reduce Sliced meat contact due to sticky end because of large area and baking tray, and to burned sliced meat, and the bottom of baking tray 81 is equipped with and is embedded in the second fever of adaptation The heating chamber 812 of body 82, the heating chamber 812 include baking tray bottom 813 and the adaptation of the upper surface 820 of the second heater 82 of adaptation The fever chamber 812 of baking tray 81 is inlaid in second heater 82 by the inner periphery 814 of the excircle 821 of the second heater 82 It goes up and the baking tray bottom 813 of 812 bottom of fever chamber and inner periphery 814 is made to correspond to the upper surface 820 for being close to the second heater 82 respectively With excircle 821, operation principle is consistent with embodiment one, and this specification repeats no more.

It should be noted that for should the utility model swollen hot type heating device Chafing dish utensil, electrical control System is in addition to being above-mentioned control（The Mechanical course being commonly called as）, microcomputer control system or touch control system can also be used System.

Claims (9)

1. a kind of swollen hot type heating device, including heater（1）With setting in heater（1）Pot body right over outer surface（2）, It is characterized in that：The pot body（2）The bottom of a pan（21）Equipped with to pot body medial surface（22）Protrusion is simultaneously adapted to installation heater（1）'s Obform body（23）, the heater（1）The torus being stepped for section（12）, the heater（1）Upper surface（13） It is continuously decreased from inner ring to outer shroud, the obform body（23）The coaxial round being stepped for section（25）；

The heater（1）Lateral surface（11）With the obform body（23）Bottom inside face（24）It is embedded in coaxial manner, Coordinate for maximal clearance between both.

2. swollen hot type heating device according to claim 1, it is characterised in that：The lateral surface（11）Section it is perpendicular Line（110）Or outside parallax from up to down（111）, the medial surface（24）Section in adaptation lateral surface（11）Second Vertical line（240）Or outside the second parallax from up to down（241）.

3. swollen hot type heating device according to claim 1, it is characterised in that：The spacing of maximal clearance cooperation is 0.1mm~0.15mm.

4. swollen hot type heating device according to claim 1, it is characterised in that：The lateral surface（11）With the upper surface （13）Infall is equipped with inclined surface（130）.

5. swollen hot type heating device according to any one of claims 1 to 4, it is characterised in that：The heater（1）Including The shell of one package electrical heating elements, the electrical heating elements are one kind in nickel chromium triangle heater strip or quartz heating tube, described The material of the shell of electrical heating elements is aluminium or cast iron.

6. a kind of Chafing dish utensil includes the mounting seat of upper end opening（4）And pot cover（5）, the mounting seat（4）Outside set Have along mounting seat（4）The symmetrical handle of axis center（6）, in two handles（6）Between either side be equipped with electric control system, It is characterized in that：The mounting seat（4）Inside is equipped with the swollen hot type heating as described in any one of claim 1 to 5 claim Device.

7. Chafing dish utensil according to claim 6, it is characterised in that：The mounting seat（4）Inside is additionally provided with for real The heating device of existing baking functions（8）, the heating device（8）Including baking tray（81）With adaptation baking tray（81）Second fever of bottom Body（82）, second heater（82）It is arranged in the mounting seat（4）Interior supporting and mounting bracket（83）On.

8. Chafing dish utensil according to claim 7, it is characterised in that：Second heater（82）For disc, thereon Surface（820）Since central shaft with circumference radioactivity gradually to the second heater（82）Excircle（821）It reduces, it is described roasting Disk（81）Upper surface（810）Equipped with convex closure（811）, bottom, which is equipped with, is embedded in the second heater of adaptation（82）Heating chamber（812）, The heating chamber（812）Including being adapted to the second heater（82）Upper surface（820）Baking tray bottom（813）With the second fever of adaptation Body（82）Excircle（821）Inner periphery（814）.

9. according to claim 6 to 8 any one of them Chafing dish utensil, it is characterised in that：The mounting seat（4）Bottom is equipped with Support leg（41）, the electric control system includes cabinet for electrical equipment（42）, temperature controller, power switch（43）With control temperature controller Rotary switch（44）.