CN207855534U - A kind of boccaro electric cooker and boccaro electric cooker suit - Google Patents

Abstract

A kind of boccaro electric cooker and boccaro electric cooker suit, are related to technical field of kitchen wares.Boccaro electric cooker includes shell, red-clay inner, control unit and power interface.Shell has accommodating cavity and shell aperture, accommodating cavity to be equipped with electrical heating portion.Red-clay inner is placed in accommodating cavity, and red-clay inner bottom offsets with electrical heating portion.It is set on the outside of red-clay inner along its axially extending thermal insulation barriers, there is thermal insulation barriers flange, flange to turn down towards red-clay inner bottom and are bonded with red-clay inner bottom.Thermal insulation barriers are multiple and along the circumferentially disposed of red-clay inner.Control unit is set to shell and is mainly used for controlling electrical heating portion's open and close and heating temperature.Power interface is set to shell and is electrically connected with electrical heating portion and control unit.Boccaro electric cooker suit includes power cord and above-mentioned shell, red-clay inner, control unit and power interface.The red-clay inner of the two is not easy to scald one's hand, will not scorch ceramic tile or desktop convenient for taking out, being put into；Red-clay inner and shell service life can be extended.

Description

A kind of boccaro electric cooker and boccaro electric cooker suit

Technical field

The utility model is related to technical field of kitchen wares, in particular to a kind of boccaro electric cooker and boccaro electric cooker set Dress.

Background technology

Currently, in life, the food cooked with marmite is tasty and its environment protecting, welcomed by the people, but Current many kitchen appliances cannot or cannot effectively combine with marmite use.

Existing purple casserole is combined as liner with electric cooker, is occupation mode common in family.But purple casserole is not It is heat-insulated, it is easily hot, it is difficult to effectively pick up, it is very inconvenient when taking out liner.In addition, the friction between purple casserole and electric cooker It is larger, it is easy that purple casserole and electric cooker is made by larger abrasion, to be unfavorable for the long-time service and maintenance of purple casserole, electric cooker Also it is easily damaged.

Utility model content

The purpose of this utility model is to provide a kind of boccaro electric cookers, and the red-clay inner of the boccaro electric cooker is convenient for taking-up Be put into, and be not easy to scald one's hand；Even if if the higher red-clay inner of temperature is placed directly on the mounting tables such as desktop, ceramic tile not Ceramic tile or desktop can be scorched, it is more convenient random that this can allow red-clay inner to be placed, and prepares heat insulating mattress without special.

The another object of the utility model is to provide a kind of boccaro electric cooker suit, in use, in boccaro Courage is not easy to scald one's hand convenient for being removed and placed into；Even if the higher red-clay inner of temperature is placed directly in the placements such as desktop, ceramic tile On platform, ceramic tile or desktop will not be scorched, it is more convenient random that this can allow red-clay inner to be placed, heat-insulated without specially preparing Pad.

What the embodiments of the present invention were realized in：

A kind of boccaro electric cooker comprising shell, red-clay inner, control unit and power interface.Shell has accommodating cavity And the shell aperture that accommodating cavity is in communication with the outside, the bottom of accommodating cavity are provided with electrical heating portion.Red-clay inner is opened by shell Mouth is placed in accommodating cavity, and bottom and the electrical heating portion of red-clay inner offset；The lateral wall of red-clay inner is provided with thermal insulation barriers, heat-insulated For part along the axially extending of red-clay inner, one end of the bottom of the close red-clay inner of thermal insulation barriers has a flange, and flange is towards in boccaro The bottom of courage turns down and fits with the bottom of red-clay inner；Thermal insulation barriers are multiple, circumferential direction of multiple thermal insulation barriers along red-clay inner Setting.Control unit is set to shell and is mainly used for controlling open and close and the heating temperature in electrical heating portion.Power interface is set to outer Shell, electrical heating portion and control unit are electrically connected with power interface.

Further, the periphery of shell aperture is convexly equipped with for holding the first in command for putting shell, and the first in command is along shell Radially protruding.The periphery of the opening of red-clay inner is convexly equipped with second handle, radially protruding of the second handle along red-clay inner.First Handle fits with second handle.

Further, second handle has the abutting side wall for fitting with the first in command, flat where abutting side wall Face is substantially vertical with the axial line of red-clay inner.

Further, second handle is convexly equipped with positioning column, and positioning column is by the abutting side wall of second handle towards first in command institute Side protrude, for positioning column along the axially projecting of red-clay inner, the first in command offers the through-hole to match with positioning column, lead to The internal diameter in hole is slightly larger than the outer diameter of positioning column.Along the axial direction of positioning column, the length of positioning column is more than the length of through-hole.

Further, along the axial direction of positioning column, the length value of positioning column is bigger 1.5~3cm than the length value of through-hole.

Further, the first in command and second handle are two, and two first in command are set to the opposite both sides of shell, Two second handles are set to the opposite both sides of red-clay inner.

Further, multiple thermal insulation barriers are arranged along the circumferential uniform intervals of red-clay inner.

Further, thermal insulation barriers are 4.

Further, thermal insulation barriers are in rough strip.

A kind of boccaro electric cooker suit comprising shell, red-clay inner, control unit, power interface and power cord.Shell With for housing red-clay inner accommodating cavity and shell aperture that accommodating cavity is in communication with the outside, the bottom setting of accommodating cavity There is electrical heating portion.The lateral wall of red-clay inner is provided with thermal insulation barriers, and thermal insulation barriers are leaned on along the axially extending of red-clay inner, thermal insulation barriers There is flange, flange to turn down towards the bottom of red-clay inner and are affixed with the bottom of red-clay inner for one end of the bottom of nearly red-clay inner It closes, thermal insulation barriers are multiple, and multiple thermal insulation barriers are along the circumferentially disposed of red-clay inner.Control unit is set to shell and is mainly used for controlling The open and close in electrical heating portion and heating temperature.Power interface is set to shell and is electrically connected with electrical heating portion and control unit.

The advantageous effect of the utility model embodiment is：

The boccaro electric cooker that the utility model embodiment provides, red-clay inner are provided with thermal insulation barriers, and thermal insulation barriers are to boccaro The side wall of liner has heat-blocking action, and when having held red-clay inner, user can hold thermal insulation barriers and hold up red-clay inner, can be with It effectively prevent the side wall of red-clay inner to iron user, while red-clay inner picking-up being also more convenient to operate and being applied using thermal insulation barriers Power.On the other hand, the flange of thermal insulation barriers can serve as the pedestal of red-clay inner, after red-clay inner is taken out from shell, every The flange of warmware has supporting function and being spaced apart mounting tables such as red-clay inner and desktop, ceramic tiles centainly to red-clay inner Distance prevents the high temperature of red-clay inner from being damaged to desktop, ceramic tile etc..Due to having between the bottom and mounting table of red-clay inner There is certain gap, may also speed up red-clay inner cooling, reduces the danger that scald occurs.Thermal insulation barriers can also avoid in boccaro Directly friction occurs between courage and shell, red-clay inner or shell is prevented to be damaged, is conducive to the maintenance of red-clay inner, helps In the service life for extending red-clay inner and shell.

The boccaro electric cooker suit that the utility model embodiment provides can form above-mentioned boccaro electricity meal after being assembled It stews, in use, red-clay inner is not easy to scald one's hand convenient for being removed and placed into.Even if the higher red-clay inner of temperature is straight It connects and is positioned on the mounting tables such as desktop, ceramic tile, ceramic tile or desktop will not be scorched, it is more convenient that this can allow red-clay inner to be placed Arbitrarily, it is not necessarily to special preparation heat insulating mattress.Thermal insulation barriers can serve as the pedestal of red-clay inner simultaneously, and contribute to red-clay inner quick Cooling.Thermal insulation barriers can also avoid between red-clay inner and shell occur directly friction, prevent red-clay inner or shell by Damage is conducive to the maintenance of red-clay inner, contributes to the service life for extending red-clay inner and shell.

Description of the drawings

It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the exploded perspective view for the boccaro electric cooker that the utility model embodiment provides；

Fig. 2 is the schematic diagram of the boccaro electric cooker in Fig. 1；

Fig. 3 is the schematic diagram of the shell of the boccaro electric cooker in Fig. 1；

Fig. 4 is the enlarged drawing of the a-quadrant in Fig. 3.

Icon：100- boccaro electric cookers；110- shells；111- accommodating cavities；112- shell apertures；113- electrical heating portion； The 114- first in command；114a- first abuts side wall；114b- through-holes；120- red-clay inners；121- liners are open；122- is second Hand；122a- second abuts side wall；122b- positioning columns；130- control units；140- power interfaces；150- thermal insulation barriers；151- is turned over Side；160- bearing plates；170- abuts plate；180- lids；181- ventholes.

Specific implementation mode

It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all Belong to the range of the utility model protection.

It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.

Term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.

In addition, term " vertical " is not offered as requiring component absolute upright, but can be slightly tilted.Only such as " vertical " Refer to its direction more vertical with respect to for " parallel ", be not indicate the structure have to it is completely vertical, but can be slightly It tilts.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements.For For those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.

Embodiment

Referring to Fig.1 and 2, the present embodiment provides a kind of boccaro electric cookers 100.Boccaro electric cooker 100 it include shell 110, red-clay inner 120, control unit 130 and power interface 140.

The shell aperture 112 that shell 110 has accommodating cavity 111 and accommodating cavity 111 is in communication with the outside, accommodating cavity 111 Bottom be provided with the electrical heating portion 113 for being heated to red-clay inner 120.

Red-clay inner 120 is placed in accommodating cavity 111, bottom and the electrical heating portion of red-clay inner 120 through shell aperture 112 113 offset.The lateral wall of red-clay inner 120 is provided with thermal insulation barriers 150, and thermal insulation barriers 150 are prolonged along the axial direction of red-clay inner 120 It stretches, one end of the bottom of the close red-clay inner 120 of thermal insulation barriers 150 has a flange 151, and flange 151 is towards the bottom of red-clay inner 120 Portion turns down and fits with the bottom of red-clay inner 120.Thermal insulation barriers 150 are multiple, and multiple thermal insulation barriers 150 are along red-clay inner 120 It is circumferentially disposed.

Control unit 130 is set to shell 110 and is mainly used for controlling open and close and the heating temperature in electrical heating portion 113.Power supply Interface 140 is set to shell 110, and electrical heating portion 113 and control unit 130 are electrically connected with power interface 140.

The red-clay inner 120 of boccaro electric cooker 100 is provided with thermal insulation barriers 150, side of the thermal insulation barriers 150 to red-clay inner 120 Wall has heat-blocking action.When having held red-clay inner 120, the side wall of red-clay inner 120 can be effectively prevent to iron user, it can To effectively reduce the generation of accidental scalding.When red-clay inner 120 is put at end, user can hold thermal insulation barriers 150 by red-clay inner 120 hold up, and red-clay inner 120 can be effectively prevent to iron user, while holding up red-clay inner 120 using thermal insulation barriers 150 Also it is more convenient to operate and exerts a force.

On the other hand, bottom of the flange 151 of thermal insulation barriers 150 with red-clay inner 120 fits, and flange 151 can fill When the pedestal of red-clay inner 120, the flange 151 of thermal insulation barriers 150 is purple placing not only to red-clay inner 120 with supporting function When sand liner 120, the mounting tables such as the bottom of red-clay inner 120 and desktop, ceramic tile, cabinet can also be separated by a distance, It prevents from being in direct contact between the bottom and mounting table of red-clay inner 120 and scorching mounting table.Due to red-clay inner 120 bottom with There is certain gap between mounting table, contribute to the heat of red-clay inner 120 quickly to scatter and disappear, red-clay inner 120 can be accelerated Cooling rate, reduce scald occur danger.

It is in direct contact with shell 110 in addition, thermal insulation barriers 150 are also prevented from red-clay inner 120, due to boccaro and shell 110 friction coefficient is larger, if if red-clay inner 120 is in direct contact with shell 110, it is easy to make purple because of phase mutual friction Sand liner 120 and shell 110 are unfavorable for the maintenance of red-clay inner 120, and can contract significantly very much so by serious scratch The service life of short red-clay inner 120 and shell 110.Thermal insulation barriers 150 can separate red-clay inner 120 and shell 110, avoid Directly friction occurs between red-clay inner 120 and shell 110, prevents red-clay inner 120 or shell 110 to be damaged, favorably In the maintenance of red-clay inner 120, and help to extend the service life of red-clay inner 120 and shell 110.

It should be noted that control unit 130 is the control unit of existing electric cooker, including cooks congee, cooks, Baoshang etc. Function choosing-item.Power interface 140 is three hole connectors.Thermal insulation barriers 150 are made of Teflon.

Further, in the present embodiment, shell 110 is coaxially disposed with red-clay inner 120.

Further, it please refers to Fig.1, Fig. 2 and Fig. 3, the periphery of the shell aperture 112 of shell 110 are convexly equipped with holding for annular Fishplate bar 160, bearing plate 160 along shell 110 radially protruding and with shell 110 be coaxially disposed.The liner of red-clay inner 120 is open 121 periphery is convexly equipped with the abutting plate 170 of annular, abuts radially protruding and and red-clay inner of the plate 170 along red-clay inner 120 120 coaxial arrangements.When red-clay inner 120 is placed in the accommodating cavity 111 of shell 110, abuts plate 170 and offsets with bearing plate 160, And the bottom of red-clay inner 120 offsets with electrical heating portion 113.Bearing plate 160 can share the weight of red-clay inner 120, reduce The pressure that electrical heating portion 113 is born avoids electrical heating portion 113 from accelerating to damage due to bearing excessive pressure.In addition, bearing plate 160 with to abut contact area between plate 170 larger, red-clay inner 120 can be effectively prevent arbitrarily to deflect, strengthened in boccaro The stability of courage 120.

Further, the periphery of bearing plate 160 is convexly equipped with for holding the first in command 114 for putting shell 110, the first in command 114 along shell 110 radially protruding.The periphery for abutting plate 170 is convexly equipped with second handle 122, and second handle 122 is along red-clay inner 120 radially protruding.The first in command 114 fits with second handle 122.

Further, the first in command 114 have for second handle 122 fits first abuts side wall 114a, the Second chief 122 have for the first in command 114 fits second abuts side wall 122a.Outside red-clay inner 120 is placed in When the accommodating cavity 111 of shell 110, abuts plate 170 and offset with bearing plate 160, bottom and 113 phase of electrical heating portion of red-clay inner 120 It supports, the first abutting side wall 114a abuts side wall 122a with second and fits.First abutting side wall 114a abuts side wall with second 122a respectively where plane it is substantially vertical with the axial line of shell 110.In the present embodiment, the first in command 114 and second Handle 122 coincides in the projection of the approximately the same plane of the axial line perpendicular to shell 110.

Second handle 122 is arranged in red-clay inner 120, and that 120 end of red-clay inner can be made to put is more convenient, second handle 122 with The first in command 114 simultaneously be arranged can make red-clay inner 120 and shell 110 respectively independently connect when end is put end put easily. After red-clay inner 120 is put into accommodating cavity 111, due to the first in command 114 and second handle 122 fits and the first in command 114 Projection with second handle 122 in the approximately the same plane of the axial line perpendicular to shell 110 coincides, and can make the first in command 114 realize minimum with the space shared by second handle 122, and will not interfere and be operated to boccaro electric cooker 100.Purple is held When sand electric cooker 100, since the first in command 114 and second handle 122 fit, the first in command 114 is convenient for second handle 122 It holds simultaneously, the first in command 114 can be made to become smaller with the component that second handle 122 respectively undertakes in this way, it can be effective The first in command 114 or second handle 122 is prevented surprisingly to be broken since stress is excessive.

Further, it please refers to Fig.1, Fig. 2, Fig. 3 and Fig. 4, second handle 122 is convexly equipped with positioning column 122b, positioning column Side where 122b abuts side wall 122a towards the first in command 114 by the second of second handle 122 is protruded, and positioning column 122b is along purple Sand liner 120 it is axially projecting, the first in command 114 offers the through-hole 114b to match with positioning column 122b, through-hole 114b's Internal diameter is slightly larger than the outer diameter of positioning column 122b.Along the axial direction of positioning column 122b, the length of positioning column 122b is more than through-hole 114b's Length.Further, along the axial direction of positioning column 122b, the length value of positioning column 122b is bigger than the length value of through-hole 114b by 1.5~ 3cm.In the present embodiment, positioning column 122b and through-hole 114b is in rough cylindric, along the axial direction of positioning column 122b, positioning The length value of column 122b is bigger 2cm than the length value of through-hole 114b

When red-clay inner 120 is placed in the accommodating cavity 111 of shell 110, abuts plate 170 and offset with bearing plate 160, boccaro The bottom of liner 120 offsets with electrical heating portion 113, and the first abutting side wall 114a abuts side wall 122a with second and fits, and positions Column 122b is placed in through-hole 114b.When needing to take out red-clay inner 120 from shell 110, due to the length of positioning column 122b Value is bigger 2cm than the length value of through-hole 114b, and therefore, positioning column 122b has run through the first in command 114.It can first be withstood at this time with hand One end of the separate second handle 122 of positioning column 122b makes the Slideslip where positioning column 122b towards second handle 122, then Red-clay inner 120 moves together with positioning column 122b, between the first in command 114 and second handle 122 also it is corresponding occur between Gap.Then by gap that finger stretches between the first in command 114 and second handle 122 and second handle 122 is clasped, it can will Red-clay inner 120 takes out from shell 110.

On the one hand positioning column 122b can play the role of limit to red-clay inner 120, prevent red-clay inner 120 relatively outer Shell 110 rotates, and improves the stability of boccaro electric cooker 100, also prevents that frictionally damage occurs.On the other hand, positioning column 122b makes the first in command to fit 114 and second handle 122 be easier to detach, convenient for by red-clay inner 120 from shell 110 It takes out.

Further, the first in command 114 and second handle 122 are two, and two first in command 114 are set to shell 110 Opposite both sides, two second handles 122 are set to the opposite both sides of red-clay inner 120.

Further, multiple thermal insulation barriers 150 are arranged along the circumferential uniform intervals of red-clay inner 120.In the present embodiment, every Warmware 150 is 4.Along the circumferential direction of red-clay inner 120, the width of every thermal insulation barriers 150 is the lateral wall perimeter of red-clay inner 120 Ten halfs.4 thermal insulation barriers 150 are in rough strip.

Further, boccaro electric cooker 100 further includes lid 180, and lid 180 is used to close the liner of red-clay inner 120 Opening 121, lid 180 offers venthole 181.

The present embodiment also provides a kind of boccaro electric cooker suit comprising above-mentioned shell 110, red-clay inner 120, control Unit 130, power interface 140, boccaro electric cooker suit further includes the power cord to match with power interface 140.Power cord For being connect with power interface 140, and for power interface 140 to be electrically connected with external power supply.

Boccaro electric cooker suit can form boccaro electric cooker 100 after being assembled.In use, red-clay inner 120 convenient for being removed and placed into, and is not easy to scald one's hand.Even if the higher red-clay inner of temperature 120 is placed directly in desktop, ceramic tile etc. On mounting table, ceramic tile or desktop will not be scorched, it is more convenient random that this can allow red-clay inner 120 to be placed, without special accurate Standby heat insulating mattress.Thermal insulation barriers 150 can serve as the pedestal of red-clay inner 120 simultaneously, and contribute to 120 fast cooling of red-clay inner. Thermal insulation barriers 150 can also avoid that directly friction occurs between red-clay inner 120 and shell 110, prevent red-clay inner 120 or outer Shell 110 is damaged, and is conducive to the maintenance of red-clay inner 120, contributes to the service life for extending red-clay inner 120 and shell 110.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of boccaro electric cooker, which is characterized in that including：

Shell, the shell aperture that the shell has accommodating cavity and the accommodating cavity is in communication with the outside, the accommodating cavity Bottom is provided with electrical heating portion；

Red-clay inner, the red-clay inner are placed in the accommodating cavity by the shell aperture, the bottom of the red-clay inner with The electrical heating portion offsets, and the lateral wall of the red-clay inner is provided with thermal insulation barriers, and the thermal insulation barriers are along the red-clay inner Axially extending, one end close to the bottom of the red-clay inner of the thermal insulation barriers has flange, and the flange is towards the boccaro The bottom of liner turns down and fits with the bottom of the red-clay inner, and the thermal insulation barriers are multiple, multiple thermal insulation barriers edges The red-clay inner it is circumferentially disposed；

Set on the shell and it is mainly used for controlling the open and close in the electrical heating portion and the control unit of heating temperature；And

Power interface, the power interface are set to the shell, the electrical heating portion and described control unit with the power supply Interface is electrically connected.

2. boccaro electric cooker according to claim 1, which is characterized in that the periphery of the shell aperture is convexly equipped with for holding Put the first in command of the shell, radially protruding of the first in command along the shell；The week of the opening of the red-clay inner Edge is convexly equipped with second handle, radially protruding of the second handle along the red-clay inner；The first in command and described second Handle fits.

3. boccaro electric cooker according to claim 2, which is characterized in that the second handle has for described first The abutting side wall that handle fits, the plane where the abutting side wall are substantially vertical with the axial line of the red-clay inner.

4. boccaro electric cooker according to claim 3, which is characterized in that the second handle is convexly equipped with positioning column, described Positioning column is protruded as the abutting side wall of the second handle towards the side where the first in command, and the positioning column is along institute State the axially projecting of red-clay inner, the first in command offers the through-hole to match with the positioning column, the through-hole it is interior Diameter is slightly larger than the outer diameter of the positioning column；Along the axial direction of the positioning column, the length of the positioning column is more than the length of the through-hole Degree.

5. boccaro electric cooker according to claim 4, which is characterized in that along the axial direction of the positioning column, the positioning column Length value it is bigger 1.5~3cm than the length value of the through-hole.

6. boccaro electric cooker according to claim 5, which is characterized in that the first in command and the second handle are Two, two first in command are set to the opposite both sides of the shell, and two second handles are set in the boccaro The opposite both sides of courage.

7. boccaro electric cooker according to claim 1, which is characterized in that multiple thermal insulation barriers are along the red-clay inner Circumferential uniform intervals setting.

8. boccaro electric cooker according to claim 7, which is characterized in that the thermal insulation barriers are 4.

9. boccaro electric cooker according to claim 1, which is characterized in that the thermal insulation barriers are in rough strip.

10. a kind of boccaro electric cooker suit, which is characterized in that including shell, red-clay inner, control unit, power interface and electricity Source line；The shell that the shell has accommodating cavity for housing the red-clay inner and the accommodating cavity is in communication with the outside Opening, the bottom of the accommodating cavity is provided with electrical heating portion；The lateral wall of the red-clay inner is provided with thermal insulation barriers, described heat-insulated Part is axially extending along the red-clay inner, and one end close to the bottom of the red-clay inner of the thermal insulation barriers has flange, The flange is turned down towards the bottom of the red-clay inner and is fitted with the bottom of the red-clay inner, and the thermal insulation barriers are more A, multiple thermal insulation barriers are along the circumferentially disposed of the red-clay inner；Described control unit is set to the shell and is mainly used for Control open and close and the heating temperature in the electrical heating portion；The power interface be set to the shell and with the electrical heating portion with And described control unit electrical connection.