CN207006266U - A kind of electromagnetic oven - Google Patents

Abstract

The utility model discloses a kind of electromagnetic oven, belong to kitchen appliance technical field, solve in the prior art electromagnetic oven upper cover because of the yielding technical problem of high-temperature heating, electromagnetic oven in the utility model, including base, upper lid and panel, the upper lid is arranged on the base, and the panel is arranged on the upper lid, the electromagnetic oven also includes the heat insulation loop being arranged between the upper lid and the panel, and the heat insulation loop is provided with the lug boss for being used for reducing heat insulation loop transmission of heat by contact area.

Description

A kind of electromagnetic oven

【Technical field】

It the utility model is related to electromagnetic heating technique field, more particularly to a kind of electromagnetic oven.

【Background technology】

With the continuous improvement of people's living standards, increasing machine for kitchen use is entered among the kitchen of people, it is special It is not the continuous development with electric-heating technology in recent years, increasing electrical heating cooking apparatus is used by people.

Cooking apparatus of the prior art generally comprises base, upper lid, electromagnetic wire coil, panel and heat insulation loop, upper lid installation On base, heat insulation loop is arranged between panel and upper lid, and electromagnetic wire coil is located at below panel, with to the pot being placed on panel Tool is heated, and in pan heating process, the heat of the bottom of a pan or pot wall can pass to panel, due to of the prior art heat-insulated Ring is that face contacts with panel and heat insulation loop with upper lid, and area of heat transfer is larger, therefore heat insulation loop can be quickly by panel Heat transfer gives upper lid, lid is produced between thermal deformation or cracking, or even panel and upper lid and phenomenon of coming unglued occurs.

【Utility model content】

Technical problem to be solved in the utility model is overcome the deficiencies in the prior art and provides a kind of electromagnetic oven, energy It is enough effectively to reduce the heat that panel passes to lid, upper lid high temperature thermal deformation is avoided with this.

In order to solve the above technical problems, the utility model adopts the following technical scheme that：

A kind of electromagnetic oven, including base, upper lid and panel, the upper lid are arranged on the base, the panel installation On described on lid, the electromagnetic oven also includes the heat insulation loop being arranged between the upper lid and the panel, the heat insulation loop It is provided with the lug boss for being used for reducing heat insulation loop transmission of heat by contact area.

Further, the lug boss is formed by the heat insulation loop is outwardly, and the lug boss includes several circumferences The projection discontinuously set.

Further, the raised one or more in convex closure, projection, arc convex tendon or bar shaped convex tendon.

Further, the lug boss is formed by the heat insulation loop is outwardly, and the lug boss includes several radially Spaced annular convex rib.

Further, the height of the lug boss is 0.5mm~5mm.

Further, radiating gap is formed between two adjacent lug bosses.

Further, the heat insulation loop local dent forms groove, and the heat-insulated ring surface positioned at the groove vicinity is formed The lug boss.

Further, the groove is deep-slotted chip breaker, annular groove, bar-shaped trough and circular trough one of which.

Further, the lug boss corresponds to the upper surface of the panel and/or described heat-insulated located at the heat insulation loop Ring corresponds to the lower surface of the upper lid.

Further, the electromagnetic oven also includes case ring, and the case ring connects with the top cap, by the panel Covered with heat insulation loop pressure admittedly on described.

The beneficial effects of the utility model：

Electromagnetic oven in the utility model, including base, upper lid and panel, upper lid are arranged on base, and panel is arranged on On upper lid, electromagnetic oven also includes the heat insulation loop being arranged between upper lid and panel, and heat insulation loop is provided with to be connect for reducing heat insulation loop Touch the lug boss of heat transfer area.When heat insulation loop is arranged between panel and upper lid in the utility model, only lug boss and panel Or upper lid contacts, the whole upper surface of middle heat insulation loop connects with plate contact and whole lower surface with upper lid compared with prior art Touch, the lug boss in the utility model reduces the transmission of heat by contact area of heat insulation loop, and the reduction of transmission of heat by contact area can reduce Panel passes to the heat of upper lid by heat insulation loop, so as to reduce the received heat of upper lid, avoids the deformation of lid high-temperature heating Or cracking, so as to avoid because upper lid deformation causes occur the phenomenon come unglued between panel and upper lid.

Lug boss is formed by heat insulation loop is outwardly, and lug boss includes several projections circumferentially discontinuously set.So set Meter, lug boss are formed by heat insulation loop outwardly convex, can strengthen its rigidity and support strength of heat insulation loop, several raised weeks The transmission of heat by contact area of heat insulation loop both can have further been reduced to interrupted setting, has reduced the heat that panel passes to lid, and can Material is saved, reduces cost.

Lug boss is formed by heat insulation loop is outwardly, and lug boss includes the annular convex rib that several spaced radials are set.Ring The design of shape convex tendon makes mould more easy-formation, and processing is more simple, and profile is more attractive in appearance.

The height of lug boss is 0.5mm~5mm.It is so designed that, the difficulty of processing of lug boss can be reduced, ensures lug boss Support strength, and can reduce electromagnetic oven fuselage height；When the height of lug boss is less than 0.5mm, because lug boss is convex The height gone out is too low, can increase the difficulty of processing technology, and the support strength of now lug boss is relatively low；When the height of lug boss is big When 5mm, the setting height(from bottom) of panel can be caused too high, so as to cause the excessive height of whole fuselage, in addition, so design, The increase of heat insulation loop materials cost can be caused, causes cost too high.

Radiating gap is formed between two adjacent lug bosses.Consequently, it is possible to the heat that panel passes to heat insulation loop can be through Radiating gap distributes, and reduce further the heat that heat insulation loop passes to lid.

Heat insulation loop local dent forms groove, and the heat-insulated ring surface positioned at groove vicinity forms lug boss.It is so designed that, it is recessed Groove can be processed by way of coining, and processing method is relatively simple.

Electromagnetic oven also includes case ring, and case ring connects with top cap, panel and heat insulation loop is pressed solid on upper lid.So Design, the assembling that can complete panel and heat insulation loop is connect by case ring and top cap, without being fixed using gluing mode, significantly Packaging efficiency is improved, while case ring can also block gap and the heat insulation loop between panel and upper lid, so as to effectively keep away Exempt from water or extraneous dust enters in base, so design also improves the outward appearance of whole electromagnetic oven.

These features and advantage of the present utility model will be detailed in following embodiment, accompanying drawing exposure.

【Brief description of the drawings】

The utility model is described further below in conjunction with the accompanying drawings：

Fig. 1 is that pan is placed on the structural representation on panel in the utility model embodiment one；

Fig. 2 is the partial enlarged drawing of A in Fig. 1；

Fig. 3 is the exploded perspective view of upper lid in the utility model embodiment one, heat insulation loop, panel and case ring；

Fig. 4 is the structural representation of heat insulation loop in the utility model embodiment two.

Reference：

1st, upper lid；2nd, panel；3rd, heat insulation loop；31st, upper surface；32nd, lower surface；4th, case ring；41st, hook；5th, pan； 61st, bar shaped convex tendon；62nd, annular convex rib；63rd, projection.

【Embodiment】

The technical scheme of the utility model embodiment is explained with reference to the accompanying drawing of the utility model embodiment and Illustrate, but following embodiments are only preferred embodiment of the present utility model, and it is not all.Based on the implementation in embodiment Example, those skilled in the art obtain other embodiments on the premise of creative work is not made, and it is new to belong to this practicality The protection domain of type.

Embodiment one,

As shown in Figure 1 to Figure 3, the electromagnetic oven in the present embodiment is flat board electromagnetic oven or notch board electromagnetic oven, with notch board electromagnetism Exemplified by stove, electromagnetic oven includes base (not shown), electromagnetic wire coil (not shown), upper lid 1, panel 2, the and of heat insulation loop 3 Case ring 4, upper lid 1 are arranged on base, and panel 2 is concave panel, and upper lid 1 is provided with installing port, and panel 2 is arranged on upper lid 1 Installing port at, electromagnetic wire coil is located at the lower section of panel 2, and heat insulation loop 3 is arranged between upper lid 1 and panel 2, and heat insulation loop 3 is resistance to High temperature plastics part, such as LCP (Liquid Crystal Polymer polymeric liquid crystal copolymers), bakelite, PPS (Phenylene Sulfide polyphenylene sulfides).Upper lid 1 is provided with buckle, and case ring 4 is provided with hook 41, and case ring 4 is by panel 2 and heat insulation loop 3 After being fitted in lid 1, hook 41 and buckle clamping, the fixation of panel 2 and heat insulation loop 3 is realized.Connected by case ring 4 and upper lid 1 The assembling of panel 2 and heat insulation loop 3 can be completed by connecing, and greatly improve packaging efficiency, while case ring 4 can also block panel 2 With the gap between upper lid 1 and heat insulation loop 3, so as to effectively avoid water or extraneous dust from entering in base, so design also carries The outward appearance of whole electromagnetic oven is risen.Certainly, in other embodiment of the present utility model, case ring can also be connected by screw solid It is scheduled on lid, it can also play a part of fixed panel and heat insulation loop, will not be described in detail herein.

In addition, the base in the present embodiment is also usually mounted with the functional parts such as circuit board, radiator fan, concave panel electricity Other conventional structures of magnetic stove are that the present embodiment is no longer described in detail known to described in those skilled in the art.Using concave panel During electromagnetic oven, pan 5 is placed on panel 2, and electromagnetic wire coil is conductive and produces alternating magnetic field, and pan is in alternating magnetic field Effect is lower to heat up and the food in pan is cooked, and because in cooking process, the electromagnetic oven flames of anger produces, therefore reduces The generation of oil smoke, provides the cooking environments more cleaned to kitchen, can more meet demand of the modern to health diet.

In cooking process, if pan is placed on electromagnetic oven heating center position, side wall and the panel 2 of pan 5 The part of corresponding heat insulation loop 3 is not in contact, and it is less now to pass to the heat of heat insulation loop 3 by panel 2, still, in user Stir-fry pan 5 in food materials when, pan 5 often deviates electromagnetic oven heating center, now the bottom of a pan or pot wall touch panel 2 The part of corresponding heat insulation loop 3, the heat of pan 5 will pass to upper lid 1 by panel 2 and heat insulation loop 3, and upper lid 1 is usually to mould Expect material, heated easily to deform, heat insulation loop of the prior art is that face contacts with panel and heat insulation loop with upper lid, therefore Heat insulation loop quickly can give the heat transfer of panel to upper lid, lid is produced thermal deformation or cracking, or even panel and upper lid Between there is phenomenon of coming unglued.

In order to solve the above-mentioned technical problem, the heat insulation loop 3 in the present embodiment has corresponding to the upper surface 31 of panel 2 and right The lower surface 32 of the upper lids 1 of Ying Yu, lug boss is additionally provided with the heat insulation loop 3 in the present embodiment, lug boss includes being respectively arranged on upper table Several of face 31 and lower surface 32 are raised, and projection is bar shaped convex tendon 61, and some in the present embodiment are referring to more than or equal to 3 just Integer, the bar shaped convex tendon 61 on upper surface 31 is raised up by the part of upper surface 31 to be formed, on upper surface 31 Several bar shaped convex tendons 61 are along 31 circumferentially-spaced spread configuration of upper surface, and preferably several bar shaped convex tendons 61 are along upper surface 31 It is circumferentially-spaced to be uniformly arranged；Bar shaped convex tendon 61 on lower surface 32 by lower surface 32 part it is downwardly convex formed, be located at Several bar shaped convex tendons 61 on lower surface 32 are along 32 circumferentially-spaced spread configuration of lower surface, preferably several bar shaped convex tendons 61 It is uniformly arranged along lower surface 32 is circumferentially-spaced, the inner of bar shaped convex tendon is alignd with by the inner of heat insulation loop 3, outside bar shaped convex tendon End is alignd with the outer end of heat insulation loop 3, and radiating gap is formed between two neighboring bar shaped convex tendon 61.The present embodiment protrusions portion by every The hot outwardly convex of ring 3 is formed, and can strengthen its rigidity and support strength of heat insulation loop 3, and several bar shaped convex tendons 61 are circumferential disconnected It is continuous that the transmission of heat by contact area that both can have further reduced heat insulation loop 3 is set, reduce the heat that panel 2 passes to lid 1, and can section Material saving, reduce cost.

After heat insulation loop 3 is arranged between upper lid 1 and panel 2, bar shaped convex tendon 61 on upper surface 31 is outer with panel 2 All side contacts, the bar shaped convex tendon 61 on lower surface 32 contacts with upper lid 1, now between heat insulation loop 3 and panel 2 and heat-insulated It is linear contact lay between ring 3 and upper lid 1, compared with being contacted with face of the prior art, the setting of the lug boss in the present embodiment is reduced The transmission of heat by contact area of heat insulation loop 3, that is, reduce contact area of the heat insulation loop 3 respectively with panel 2 and upper lid 1, transmission of heat by contact The reduction of area can reduce the heat that panel 2 passes to upper lid 1 by heat insulation loop 3, so as to reduce the received heat of upper lid 1, Meanwhile panel 2 pass to heat insulation loop 3 heat can through radiate gap distribute, reduce further heat insulation loop 3 and pass to The heat of lid 1, avoid the deformation of the high-temperature heating of lid 1 or cracking.

Preferably, the lug boss in the present embodiment may also include the annular convex rib 62 of one or more spaced radial setting, Annular convex rib 62 is arranged on upper surface 31 and lower surface 32, is so designed that, can be easy to the injection molding of bar shaped convex tendon 61, is simplified The making mould of heat insulation loop 3.

The height H of bar shaped convex tendon 61 and annular convex rib 62 is 0.5mm~5mm in the present embodiment, is so designed that, can drop The difficulty of processing of low lug boss, ensures the support strength of lug boss, and and can reduces the height of the fuselage of electromagnetic oven；When lug boss When being highly less than 0.5mm, because the height of lug boss protrusion is too low, the difficulty of processing technology can be increased, and now lug boss Support strength is relatively low；When the height of lug boss is more than 5mm, the setting height(from bottom) of panel 2 can be caused too high, so as to cause whole machine The excessive height of body, in addition, so design, will also result in the increase of the materials cost of heat insulation loop 3, cause cost too high.The present embodiment The preferred 3mm of height H of middle bar shaped convex tendon 61 and annular convex rib 62, certainly, optionally, height H can also be 0.5mm, 1mm, 1.5mm, 2mm, 2.5mm, 3.5mm, 4mm, 4.5mm, 5mm etc..It is as long as it is not just another here between 0.5mm and 5mm One enumerates, it is above-mentioned it is listed be only preferred embodiment, be not used for limiting this scope.

The width of bar shaped convex tendon 61 and annular convex rib 62 is 0.3mm~5mm in the present embodiment, is so designed that, can either It is easy to the machine-shaping of lug boss, strengthens the support strength of lug boss, and can reduces each raised transmission of heat by contact area, enters one Step reduces the transmission of heat.When the width of lug boss is less than 0.3mm, because the width of lug boss protrusion is too narrow, it can increase and add The difficulty of work technique, and the support strength of now lug boss is relatively low；When the width of lug boss is more than 5mm, can increase each convex The transmission of heat by contact area risen, causes heat transfer excessive.The width of bar shaped convex tendon 61 and annular convex rib 62 is preferred in the present embodiment 2.5mm, certainly, optionally, height H can also be 0.3mm, 1mm, 1.5mm, 2mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm etc..Only Will not enumerate here between 0.3mm and 5mm, it is above-mentioned it is listed be only preferred embodiment, not use To limit this scope.

The bar shaped convex tendon 61 being arranged in the present embodiment on upper surface 31 and the bar shaped convex tendon 61 located at lower surface 32 misplace Set, be so designed that, the transmission distance of heat can be increased, extend the heat transfer time, and then make heat energy in transmittance process It is enough to be distributed in time by gap of radiating, it reduce further the received heat of lid 1.

Embodiment two,

As shown in figure 4, compared with embodiment one, the difference of this implementation is, lug boss includes being respectively arranged on upper table Several of face 31 and lower surface 32 are raised, and projection is projection 63, some in the present embodiment refer to be more than or equal to 3 it is just whole Number, the projection 63 on upper surface 31 is raised up by the part of upper surface 31 to be formed, several on upper surface 31 Projection 63 is provided at circumferentially spaced along upper surface 31, and preferably several projections 63 are uniformly arranged simultaneously along upper surface 31 is circumferentially-spaced The upper projection group of annular is formed, upper projection group is along radial direction at least provided with one；Projection 63 on lower surface 32 Formed by the part of lower surface 32 is downwardly convex, several projections 63 on lower surface 32 are circumferentially-spaced along lower surface 32 Set, preferably several projections 63 along lower surface 32 it is circumferentially-spaced be uniformly arranged and formed annular lower projection group, lower projection Group, at least provided with one, is so designed that along radial direction, can further reduce contact of the heat insulation loop 3 with upper lid 1 and panel 2 Area, the heat of upper lid 1 is passed to so as to reduce panel 2 through heat insulation loop 3, avoid lid 1 because high-temperature heating deforms.

It is to be appreciated that in other embodiment of the present utility model, projection can also be convex closure or arc convex tendon or convex At least two combinations in bag, projection, arc convex tendon and bar shaped convex tendon, will not be described in detail herein.

Embodiment three,

Compared with embodiment one and two, the difference of the present embodiment is, the upper surface of the heat insulation loop in the present embodiment Groove is formed with lower surface local dent, groove is bar-shaped trough, and the both ends of bar-shaped trough connect with the inner of heat insulation loop and outer end respectively Logical, now groove can form radiating gap, and groove can be processed by way of coining, and processing method is relatively simple, is located at The heat-insulated ring surface of groove vicinity forms lug boss, is so designed that, can also reduce the transmission of heat by contact area of heat insulation loop, herein no longer It is described in detail.

It is understood that groove can also be deep-slotted chip breaker, annular groove and circular trough one of which.

Example IV,

Compared with embodiment one to three, the difference of the present embodiment is, the lug boss in the present embodiment is positioned only at On upper surface 31 or lower surface 32, it is so designed that, can also reduces the heat that the upward lid 1 of panel 2 transmits to a certain extent, herein No longer it is described in detail.

It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to In this, it is familiar with the those skilled in the art and should be understood that the utility model includes but is not limited to accompanying drawing and above specific embodiment party Content described in formula.Any modification without departing from function and structure principle of the present utility model is intended to be included in claims Scope in.

Claims (10)

1. a kind of electromagnetic oven, including base, upper lid and panel, the upper lid is arranged on the base, and the panel is arranged on On the upper lid, it is characterised in that the electromagnetic oven also includes the heat insulation loop being arranged between the upper lid and the panel, institute State heat insulation loop and be provided with the lug boss for being used for reducing heat insulation loop transmission of heat by contact area.

2. electromagnetic oven according to claim 1, it is characterised in that the lug boss is by the outwardly shape of the heat insulation loop Into the lug boss includes several projections circumferentially discontinuously set.

3. electromagnetic oven according to claim 2, it is characterised in that the projection is convex closure, projection, arc convex tendon or bar shaped One or more in convex tendon.

4. electromagnetic oven according to claim 1, it is characterised in that the lug boss is by the outwardly shape of the heat insulation loop Into the lug boss includes the annular convex rib that several spaced radials are set.

5. the electromagnetic oven according to claim 2 or 4, it is characterised in that the height of the lug boss is 0.5mm~5mm.

6. electromagnetic oven according to any one of claim 1 to 4, it is characterised in that two adjacent lug bosses it Between formed radiating gap.

7. electromagnetic oven according to claim 1, it is characterised in that the heat insulation loop local dent forms groove, positioned at institute The heat-insulated ring surface for stating groove vicinity forms the lug boss.

8. electromagnetic oven according to claim 7, it is characterised in that the groove is deep-slotted chip breaker, annular groove, bar-shaped trough and circle Shape groove one of which.

9. electromagnetic oven according to claim 1, it is characterised in that the lug boss corresponds to described located at the heat insulation loop The upper surface of panel and/or the heat insulation loop correspond to the lower surface of the upper lid.

10. electromagnetic oven according to claim 1, it is characterised in that the electromagnetic oven also includes case ring, the case ring Connect with the top cap, the panel and the heat insulation loop are pressed admittedly on described on lid.