Novel electric chafing dish
[technical field]
The utility model relates to cooking appliance, and more particularly, the utility model relates to a kind of chafing dish of cooking soup dish.
[background technology]
Chafing dish is got food, continuous characteristics such as reinforced, steaming hot because of it has the limit heating edge, can build a kind of diet atmosphere that meets very much Chinese culture, thereby be a kind of traditional cookery utensil that is widely adopted in domestic and even global Chinese family or the restaurant in China.The chafing dish of a kind of very classical structure wherein comprises annular pot cover, on, the central cylindrical shell of following perforation, annular pot wall and base, closely be connected to form annular pot body between its annular pot wall bottom and central cylindrical shell and the base, the base lower end also is provided with the fire grate of band through hole or groove, central authorities' cylindrical shell constitutes the burner hearth of charcoal fire burning and passes in and out the air channel up and down with the cylinder of the base that has wind-tunnel, charcoal fire can burn by abundant aerobic on fire grate, calory burning conducts soup stock to splendid attire in the annular pot body on every side through the metal barrel, the combustion thermal efficiency and the efficiency of heating surface are all higher, and be therefore in vogue for a time and long lasting.But along with scientific and technological progress, chafing dish in the market comprises that this classical chafing dish has been introduced electrical heating elements more and more, automatically controlled temperature element is assembled or transformed, to adapt to more and more faster rhythm of life of people and new health, safety requirements.
Improvement in this respect, there is Chinese patent file 86206658.U to disclose a kind of Electric-heat chafing dish, it is made up of pot body, electric heating element, fire tube, pot cover, attic base, temperature regulation switch box, and electric heating element is to be encapsulated in pot many bodies electric hot plate cored structure at body inwall bottom centre place.Going up that one of electric heating element upper lid can freely be taken is directly little, footpath, the end is big, the fire tube in bottom sides cornice hole.Temperature regulation switch box of plug-in mounting on the plug on the attic base.It is said that it has adopted the board-like electric heating body core of a plurality of cambers, be immersed in the interior heating of soup body of chafing dish institute splendid attire fully, not only have the advantage of general electric heating tubular type electric chafing dish quick heating economize on electricity, also overcome and scrubbed inconvenient shortcoming.Increased temp regulating function in addition, thereby had selection broadness, outward appearance, power saving, saved time, used safely characteristics such as convenient easily near traditional type selecting.But, though this apparatus structure can " freely be taken down " fire tube and temperature regulation switch box to clean.But base is still bothersome with a pot body cleaning after all, also is easy to cause the water inlet of electric hot plate core electric leakage, pickup and even damage, and it makes many bodies electric hot plate core have the inwall that communicates with soup stock for increasing the thermal efficiency, has increased the cleaning difficulty greatly.
Also have Chinese patent file 87203385.U to disclose a kind of chafing dish that adjusts the temperature electronically and comprise a pot body, pot cover, tubular heater, pot seat, a cast aluminium electric hot tray, electric hot tray is equipped with tubular heater in it, electric hot tray is supported by the supporting plate on the pot seat, can separate between pot body and electric hot tray, pot body and pot seat, form stepless temperature-control circuit by elements such as bidirectional triode thyristor, bilateral diodes in addition in addition, hold concurrently all interior temperature-adjusting types and outer temperature-adjusting type function.It is said that it is compared with commercially available electrical carbon Two-purpose chafing dish with traditional carbon chafing dish, rational in infrastructure, thermal efficiency height, energy-conservation, cost is low, and is easy to use etc.The pot body of this device and pot seat with and on electric hot tray between can separate fully, be convenient to only clean the pot body of shape pot liquor material more, and not can because of clean related its down the pot seat and electric heating plate by pickup, cause leaking electricity and wearing and tearing.But this cast aluminium electric hot tray is a solid, though be immersed in fully below the soup stock, still because electric hot tray solid quality is too big, the inertia of heating and cooling is too big, can cause the too much loss of electric energy, adjusting control temperature to be difficult to accurately achieve one's goal, cause cooking effect to descend.
Have Chinese patent file 90215729.9 to disclose a kind of electricity, charcoal Two-purpose chafing dish again, it comprises the charcoal burner hearth and the pot body on top, and the bottom is a base.Be characterized in being provided with a loop configuration around pot body bottom on the base, heating wire is housed in it.Heating wire after the energising promptly heats the pot body.It is said that this device is keeping the function that has increased electric chafing dish on traditional charcoal fire pot characteristics, can need arbitrarily to adopt charcoal or electricity with the user be thermal source, uses very convenient.It is affixed that but this device burner hearth and pot body and a pot body lower annular electric heating structure are one, still exists and clean difficult problem, and use is restricted.
Other has Chinese patent file 92200214.2 to disclose a kind of temperature control to use electric chafing dish more.This electric chafing dish is made up of pot, pot seat, outlet, grate, electrothermal tube, and wherein electrothermal tube and grate are connected as a single entity; On the outlet of pot seat inside part, be provided with protective cover, on the pot seat, thermostat be housed.It is said that this electric chafing dish compares with existing family expenses electric chafing dish, can regulate temperature as required in use, power-saving; Automatically outage when the temperature of electric chafing dish is too high makes the electric chafing dish can be owing to the overheated characteristics of damaging.And this chafing dish can adopt charcoal fire to heat again.How this temperature control is particularly suitable for all kinds of hotels, eating house and family with electric chafing dish adds needs ripe, insulation food.But, it is affixed that this device pot body and pot seat and grate and electrothermal tube are one, and same the existence cleaned difficult problem, and since grate and electrothermal tube divide according to both sides, no matter all there is irregular, the problem such as the electrical heating heat-transfer area is too little of being heated in the heating of electrical heating or charcoal fire, the scope of application is restricted.
[summary of the invention]
At the above-mentioned shortcoming of prior art, the technical purpose that the utility model will reach is that will to provide that a kind of electrical heating/temperature control efficient is all good, the pot body cleans convenient, the cleaning pot body can the pickup heating, electric heating heats novel electric chafing dish convenient to both with charcoal fire.
For this reason, the technical solution of the utility model is a kind of novel electric chafing dish, and this electric chafing dish comprises pot cover, central cylindrical shell, annular pot wall and base; Closely be connected to form annular pot body between described annular pot wall bottom and the central cylindrical shell bottom, described base top is equiped with electric heating element, and described electric heating element comprises inner barrel, outer cylinder body and be inlaid in heating between the inside and outside cylindrical shell, the outer wall on this electric heating element top removably is engaged in the inwall of described central cylindrical shell, and under the two cooperating state, the height on the described electric heating element is between 2/3 height of extremely annular pot wall more than the described annular pot wall bottom.The utility model adopts traditional classical chafing dish planform, but it is carried out following architecture advances: annular pot body will closely be connected to form between annular pot wall bottom and the central cylindrical shell bottom, with electric heating element make have by inside and outside cylindrical shell surround circular cylinder, and make between this annular pot body and annular electric heating cylindrical shell and to form detachable matching relationship, so, have a dinner finish after, annular pot body just can be taken off separately and clean, stopped the disadvantage of the cleaning liquid pickup heating under it fully, and, because annular pot body only comprises the top and the pot body of conventional central cylindrical shell, the volume that is cleaned, area, structure, weight is minimum, be not difficult to the corner cleaned, cleaning efficiency improves greatly, is suitable for allegro family and restaurant extensive use especially; Two, the structure of annular electric heating cylindrical shell is light and handy, and quality is very little, and heat accumulates on the entity of annular easily, and then conduction gives annular pot body, and it is less that heat is dispersed into the ratio in space, and the thermal efficiency is higher, thermal inertia reduces greatly, makes temperature control regulate and accurately puts in place easily, improves cooking quality; Three, annular electric heating cylindrical shell makes it be easy to make upper and lower communicating structure, to keep the air channel of traditional charcoal fire heating, if cooperate classical through central cylindrical shell and the base that has air channel, fire grate, can make to such an extent that electric heating and two kinds of mode of heatings of charcoal fire are not mutually exclusive, be convenient to according to specific time and site suiting measures to different conditions and select different mode of heatings.
Can select embodiment as two kinds of the present utility model, the utility model electric heating element can be taked following two kinds of structures: the upper surface of electric heating element is open or enclosed.The external electrode of described heating is located at the bottom of described electric heating element.
In order further to promote heat transfer contact area and the heat conduction efficiency between electric heating element and central cylindrical shell, the muscle sheet by a plurality of radial settings between described electric heating element outer wall and described central cylinder inboard wall is in contact with one another and cooperates.Circumferentially be provided with a plurality of muscle sheets on the described electric heating element outer wall, the periphery of described muscle sheet is close to described central cylinder inboard wall radially.
For further preventing during the heating work between annular pot body and annular electric heating cylindrical shell because touching separates even topples over unhappy or accidents such as causing soup loss, scald, take off cleaning but be convenient to again eat finish, described a plurality of muscle sheets circumferentially are arranged on the outer wall of described electric heating element in uniform way.Described muscle sheet is capwise or is oblique angle spiral trend; Corresponding to the spiral muscle sheet on the electric heating element, central cylinder inboard wall is provided with for example corresponding flight of guide structure of projection or only is the round projection on the respective angles.
As the most preferred embodiment with two kinds of mode of heatings of the present utility model, pot cover described in the utility model is an annular, described central cylindrical shell is upper and lower communicating structure, described base is the conical shell structure and has wind-tunnel, in described cylinder of the base, be lower than the fire grate that described electric heating element lower end also is provided with band through hole or groove.
For ease of keeping in repair the electric heating element of transposing scaling loss, described electric heating element of the present utility model is by the top of a plurality of bolted at described annular base.
In a word, architecture advances of the present utility model have implement tube just, advantage effective, with low cost.
Below, with accompanying drawing technical solution of the present utility model is described further in conjunction with specific embodiments.
[description of drawings]
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is structure master's schematic diagram of the utility model embodiment 2.
Fig. 3 is the schematic top plan view of Fig. 2.
Fig. 4 is the schematic perspective view of the utility model embodiment 2.
[specific embodiment]
Embodiment 1
As Fig. 1: be depicted as a kind of novel electric chafing dish, this electric chafing dish comprises the pot cover 1, the central cylindrical shell 2 that have handle 11, has annular pot wall 31 and the base 4 of carrying ear 32 (ginseng Fig. 3,4); Closely be connected to form annular pot body 3 between annular pot wall 31 bottoms and central cylindrical shell 2 bottoms, base 4 tops are equiped with electric heating element 5, electric heating element 5 comprises inner barrel, outer cylinder body and is inlaid in heating between the inside and outside cylindrical shell, the upper surface of electric heating element 5 is enclosed, is fixed with the cover plate 53 of metal or metal oxide.The upper surface of central authorities' cylindrical shell 2 also is enclosed.
The outer wall on these electric heating element 5 tops removably is engaged in the inwall of central cylindrical shell 2, and under the two cooperating state, the height of described electric heating element 5 upper ends is between 1/2 height of extremely annular pot wall more than described annular pot wall 31 bottoms.
Electric heating element 5 comprises inner barrel 51, the outer cylinder body 52 of metal casting and is inlaid in heating 50 in the inside and outside cylindrical shell.The external electrode of described heating 50 is located at the bottom (not quite clear showing) of described electric heating element 5.
Be in contact with one another by a plurality of muscle sheets (not quite clear showing) radial, that capwise is provided with between described electric heating element 5 outer walls and described central cylindrical shell 2 inwalls and cooperate.A plurality of muscle sheets circumferentially are arranged on the outer wall of described electric heating element 5 in uniform way.
Described electric heating element 5 is fastened on the top of described annular base 4 by a plurality of bolts (not quite clear showing).Be provided with the external plug 6 of heating 50 in the proper site of base.
Embodiment 2
As Fig. 2,3,4: be depicted as a kind of novel electric chafing dish, this electric chafing dish comprise the annular pot cover 1 that has handle 11, up/down perforation structure central cylindrical shell 2, have annular pot wall 31 and the base 4 of carrying ear 32; Closely be connected to form annular pot body 3 between described annular pot wall 31 bottoms and central cylindrical shell 2 bottoms, base 4 tops are equiped with electric heating element 5, electric heating element 5 comprises inner barrel, outer cylinder body and is inlaid in heating between the inside and outside cylindrical shell, the outer wall on these electric heating element 5 tops removably is engaged in the inwall of central cylindrical shell 2, and under the two cooperating state, the height of electric heating element 5 upper ends is between 2/3 height of extremely annular pot wall 31 more than described annular pot wall 31 bottoms.Base 4 is for the conical shell structure and have wind-tunnel 40, in described base 4 cylindrical shells, be lower than the fire grate 41 that described electric heating element 5 lower ends also are provided with band through hole or groove.
Electric heating element 5 comprises inner barrel 51, the outer cylinder body 52 of metal casting and is inlaid in heating 50 in the inside and outside cylindrical shell.The external electrode of described heating 50 (not quite clear showing) is located at the bottom of electric heating element 5.The upper surface of electric heating element 5 is open.The upper surface of central authorities' cylindrical shell 2 also is open.
Be in contact with one another by a plurality of radial muscle sheets (not quite clear showing) that circumferentially are provided with in uniform way between described electric heating element 5 outer walls and described central cylindrical shell 2 inwalls and cooperate, the periphery of muscle sheet is close to described central cylindrical shell 2 inwalls.Described muscle sheet is the trend greater than the lead angle of 45 degree.Corresponding to the spiral muscle sheet on the electric heating element 5, central cylindrical shell 2 inwalls are provided with the guide structure (not quite clear showing) of projection.
Described electric heating element 5 is fastened on the top of annular base 4 by a plurality of bolts (not quite clear showing).Be provided with the external plug 6 of heating 50 in the proper site of base.If the long-term charcoal fire that adopts of plan heats, promptly be convenient to electric heating element 5 unloading from annular base 4; If just adopt charcoal fire heating once in a while or temporarily, fully will electric heating element 5 from the unloading of annular base 4, accomplish that electric heating and charcoal fire heat use convenient to both, operation.