CN212178958U - Heat shield and cooker comprising same - Google Patents

Abstract

The utility model discloses a separate heat exchanger and contain its cooking utensils, separate heat exchanger is including separating heat exchanger body and pot support, the outward flange of the upper surface that separates the heat exchanger body is provided with cyclic annular step, the lower pot cover of pot support establish and laminate in cyclic annular step, be provided with the trompil on the cyclic annular step, and the trompil is located cyclic annular step with the binding face department of pot support. The heat shield covers the pot support and is attached to the annular step on the heat shield body so as to improve the stability of the pot support; meanwhile, the annular step is provided with the opening which is positioned on the joint surface of the pot support and the heat shield body so as to reduce the contact area of the pot support and the heat shield body and further reduce the heat conducted from the heat shield body to the pot support, so that the heat dissipated through the pot support is reduced, and the energy-gathering effect of the heat shield is improved.

Description

Heat shield and cooker comprising same

Technical Field

The utility model relates to a separate heat exchanger and contain its cooking utensils.

Background

Currently, most cookers are provided with heat shields to increase the heating efficiency of the cookers. Wherein, some separate heat exchanger and set up the pot support in the top that separates the heat exchanger, make separate heat exchanger and pot support abundant contact to improve the steadiness of pot support, but can cause to separate the area of contact of heat exchanger and pot support to be bigger than normal. The heat shield is close to the flame area, the whole temperature is higher, and the heat is conducted to the pot support through the heat shield due to the fact that the pot support is fully contacted with the heat shield, so that the temperature of the pot support is also high. The pot support belongs to peripheral parts, and the peripheral parts are easily influenced by surrounding air flow, so that the heat dissipation is fast, the reciprocating circulation causes larger heat loss, and the heating efficiency of the cooker is reduced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a separate heat exchanger and contain its cooking utensils in order to overcome the fast defect of heat exchanger heat dissipation among the prior art.

The utility model discloses an above-mentioned technical problem is solved through following technical scheme:

the utility model provides a heat shield, heat shield is including heat shield body and pot support, the outward flange of the upper surface of heat shield body is provided with cyclic annular step, the lower end cover of pot support establish and laminate in cyclic annular step, be provided with the trompil on the cyclic annular step, and the trompil is located cyclic annular step with the binding face department of pot support.

In the scheme, the heat shield covers the pot support and is attached to the annular step on the heat shield body, so that the stability of the pot support is improved; meanwhile, the annular step is provided with the opening, the opening is located on the joint face of the pot support and the heat insulation cover body, so that the contact area of the pot support and the heat insulation cover body is reduced, heat conducted from the heat insulation cover body to the pot support is further reduced, heat dissipated through the pot support is reduced, and the energy collecting effect of the heat insulation cover is improved.

Preferably, the upper surface of the pot support is provided with at least three support legs at intervals, the support legs extend and protrude along the central direction of the pot support, the upper surface of each support leg is a plane, and the planes are located at the same height.

In this scheme, the stabilizer blade is used for supporting the pan, and the plane is located same height, is convenient for place pan, prevents crooked, increases the area of contact of stabilizer blade and pan simultaneously, improves the supporting effect.

Preferably, one end of the support leg near the center of the pan support is provided with an inclined surface adjacent to the plane, and the direction of the inclined surface is inclined downwards in the direction away from the support leg.

In this scheme, when placing non-pan, the area of contact of inclined plane increase stabilizer blade and pan improves the support effect.

Preferably, the pot support is of an annular structure, the pot support further comprises an annular edge portion, the edge portion is arranged on an inner wall surface of the annular structure, the edge portion inclines downwards from the top surface of the pot support to the center of the pot support, and the edge portion is located above the heat insulation cover body.

In this scheme, set up limit portion in the inboard of pot support, increase pot support's intensity on the one hand, on the other hand avoids flowing into the clearance between pot support and the heat shield body from the liquid that the cooking utensils overflowed, and the protection separates the heat shield.

Preferably, the edge portion has a gap with an upper surface of the heat shield body.

In the scheme, a gap is formed between the edge part and the heat insulation cover body, so that the contact area between the pot support and the heat insulation cover body is reduced, and the heat conduction is reduced; meanwhile, a cavity is formed to keep heat near the heat shield body, and the energy gathering effect of the heat shield is improved.

Preferably, the annular step comprises a vertical surface and a horizontal surface which are adjacently arranged, the horizontal surface is located on the outer side of the vertical surface, a connecting portion which is attached to the annular step is arranged at the lower end of the pot support, the bottom surface of the connecting portion is attached to the horizontal surface, the inner side surface of the connecting portion is attached to the vertical surface, and the opening is formed in the vertical surface.

In this scheme, the horizontal plane of cyclic annular step belongs to the holding surface and is used for supporting pot support, and the atress is great, and the vertical face of cyclic annular step plays limiting displacement, prevents pot support landing, and the atress is less. Therefore, the opening is arranged on the vertical surface rather than the horizontal surface, and the contact area of the pot support and the heat shield body is reduced.

Preferably, the lowest of said apertures is above said horizontal plane.

In this scheme, the lower of open-ended is higher than the horizontal plane, prevents that the overflow from flowing into through the trompil from the clearance of cyclic annular step and insulating heat exchanger body inside.

Preferably, the number of the open holes is multiple, and the multiple open holes are arranged at intervals along the circumferential direction of the annular step.

In this scheme, under keeping having sufficient joint strength between heat exchanger body and the pot support, set up the quantity of trompil as far as possible a plurality ofly, reduce pot support and the area of contact between the heat exchanger body, and then reduce heat-conduction, make to separate heat exchanger heat loss minimum, efficiency is optimum.

Preferably, the heat shield body has an accommodating cavity with a hollow interior, and the opening penetrates through a wall surface of the accommodating cavity.

In this scheme, separate the heat exchanger body through integrated into one piece or set up the mode of baffle, form inside hollow holding chamber, have better thermal-insulated effect. Although the holding cavity is communicated with the outside through the opening, the connecting part of the pot support covers the opening to form sealing to the opening, and heat loss caused by the opening is avoided.

A cooking utensil comprises the heat shield.

In this scheme, cooking utensils include the combustor and separate the heat exchanger, separate the heat exchanger and cover in the outside of combustor, with the heat gathering of stove fire production at the bottom of a boiler, improve cooking utensils's heating efficiency.

On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.

The utility model discloses an actively advance the effect and lie in: the heat shield covers the pot support and is attached to the annular step on the heat shield body so as to improve the stability of the pot support; meanwhile, the annular step is provided with the opening, the opening is located on the joint face of the pot support and the heat insulation cover body, so that the contact area of the pot support and the heat insulation cover body is reduced, heat conducted from the heat insulation cover body to the pot support is further reduced, heat dissipated through the pot support is reduced, and the energy collecting effect of the heat insulation cover is improved.

Drawings

Fig. 1 is a schematic structural view of a heat shield according to a preferred embodiment of the present invention.

Fig. 2 is a schematic structural view of a heat shield according to a preferred embodiment of the present invention.

Fig. 3 is a schematic view of the internal structure of fig. 1.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Description of reference numerals:

heat shield body 1

Annular step 11

Opening 111

Horizontal plane 112

Vertical surface 113

Accommodating cavity 12

Pot support 2

Support leg 21

Plane 211

Inclined surface 212

Edge 22

Connecting part 23

Gap 10

Detailed Description

The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.

As shown in fig. 1-4, the present embodiment discloses a heat shield, which includes a heat shield body 1 and a pan support 2, an annular step 11 is disposed on an outer edge of an upper surface of the heat shield body 1, a lower end of the pan support 2 covers and adheres to the annular step 11, an opening 111 is disposed on the annular step 11, and the opening 111 is located at an adhesion surface of the annular step 11 and the pan support 2.

In the embodiment, the heat shield covers and attaches the pan support 2 to the annular step 11 on the heat shield body 1, so as to improve the stability of the pan support 2; meanwhile, the annular step 11 is provided with the opening 111, the opening 111 is located on the joint face of the pot support 2 and the heat shield body 1, so that the contact area between the pot support 2 and the heat shield body 1 is reduced, the heat conducted from the heat shield body 1 to the pot support 2 is reduced, the heat dissipated through the pot support 2 is reduced, and the efficiency of the heat shield is improved.

The upper surface interval of pot support 2 is provided with three at least stabilizer blades 21, and stabilizer blade 21 extends the arch along the central direction of pot support 2, and stabilizer blade 21 is used for supporting the pan. The upper surface of each stabilizer blade 21 all is provided with plane 211, and plane 211 is located same height, is convenient for place the pan, prevents to be crooked, simultaneously, increases the area of contact of stabilizer blade 21 and pan, improves the supporting effect. Meanwhile, an inclined surface 212 is provided adjacent to the flat surface 211 at an end of the leg 21 near the center of the pot support 2, and the direction of the inclined surface 212 is inclined downward in a direction away from the leg 21. The non-pan is supported on the inclined surface 212, and the inclined surface 212 increases the contact area between the support leg 21 and the pan, thereby improving the supporting effect.

As shown in fig. 3, the pot support 2 is of an annular structure, the pot support 2 further includes an annular edge 22, the edge 22 is disposed on an inner wall surface of the annular structure, the edge 22 is inclined downward from the top surface of the pot support 2 to the center of the pot support 2, and the edge 22 is located above the heat insulation cover body 1. The edge part 22 is arranged on the inner side of the pot support 2, so that the strength of the pot support 2 is increased, and the liquid overflowing from the stove is prevented from flowing into a gap between the pot support 2 and the heat shield body 1 to protect the heat shield.

As shown in fig. 4, the edge portion 22 has a gap 10 with the upper surface of the heat shield body 1. The gap 10 not only reduces the contact area between the pot support 2 and the heat shield body 1, but also reduces the heat conduction; meanwhile, a cavity is formed to keep heat near the heat shield body 1, and the energy gathering effect of the heat shield is improved.

As shown in fig. 4, the annular step 11 includes a vertical surface 113 and a horizontal surface 112 adjacently disposed, the horizontal surface 112 is located outside the vertical surface 113, the lower end of the pan support 2 is provided with a connecting portion 23 attached to the annular step 11, the bottom surface of the connecting portion 23 is attached to the horizontal surface 112, the inner side surface of the connecting portion 23 is attached to the vertical surface 113, and the opening 111 is disposed on the vertical surface 113. The horizontal plane 112 of the annular step 11 belongs to a supporting surface for supporting the pot support 2, the stress is large, the vertical plane 113 of the annular step 11 plays a limiting role, the pot support 2 is prevented from sliding off, and the stress is small. Thus, the openings are provided on the vertical plane 113 rather than on the horizontal plane 112.

As shown in fig. 4, in order to protect the heat shield, the lowest part of the opening 111 is higher than the horizontal plane 112, and the overflow is prevented from flowing into the inside of the heat shield body 1 through the opening 111 from the gap of the annular step 11.

In this embodiment, under keeping having sufficient joint strength between heat exchanger body 1 and the pot support 2, set up a plurality ofly with the quantity of trompil 111 as far as possible, a plurality of trompils 111 set up along the circumferential direction interval of cyclic annular step 11, reduce the area of contact between pot support 2 and the heat exchanger body 1, and then reduce heat-conduction, make heat exchanger heat dissipation minimum, efficiency is optimal.

As shown in fig. 3, in order to improve the energy-gathering effect of the heat shield, the heat shield body 1 is formed by integral molding or by disposing a partition plate to form a hollow accommodating cavity 12, which has a better heat-insulating effect. Although the opening 111 connects the accommodating chamber 12 with the outside, the connecting portion 23 of the pan support 2 covers the opening 111 to seal the opening 111, and no heat loss is caused by the opening 111.

The invention also discloses a stove which comprises the combustor and the heat insulation cover, wherein the heat insulation cover covers the outer part of the combustor, so that heat generated by stove fire is gathered at the bottom of a pot, the heat loss is reduced, and the heating efficiency of the stove is improved.

Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims (10)

1. The utility model provides a separate heat exchanger, its characterized in that separates the heat exchanger including separating heat exchanger body and pot support, the outward flange of the upper surface that separates the heat exchanger body is provided with cyclic annular step, the lower extreme cover of pot support establish and laminate in cyclic annular step, be provided with the trompil on the cyclic annular step, and the trompil is located cyclic annular step with the binding face department of pot support.

2. The heat shield of claim 1, wherein the pan support has at least three spaced apart legs extending in a central direction of the pan support, the upper surface of each leg being planar, the planar surfaces being at the same height.

3. The heat shield of claim 2, wherein an end of said leg adjacent to a center of said pan support is provided with an inclined surface adjacent to said flat surface, said inclined surface being oriented to slope downwardly in a direction away from said leg.

4. The heat shield of claim 1 wherein the pan support is of an annular configuration, the pan support further comprising an annular lip disposed on an inner wall surface of the annular configuration, the lip sloping downwardly from a top surface of the pan support to a center of the pan support, the lip being positioned above the heat shield body.

5. The heat shield of claim 4 wherein said edge portion has a clearance with an upper surface of said heat shield body.

6. The heat shield of claim 1, wherein the annular step comprises a vertical surface and a horizontal surface, the vertical surface and the horizontal surface are adjacently arranged, the horizontal surface is located outside the vertical surface, the lower end of the pan support is provided with a connecting portion which is attached to the annular step, the bottom surface of the connecting portion is attached to the horizontal surface, the inner side surface of the connecting portion is attached to the vertical surface, and the opening is arranged on the vertical surface.

7. The heat shield of claim 6, wherein a lowest of said apertures is above said horizontal plane.

8. The heat shield of claim 7, wherein the number of the openings is plural, and the plural openings are provided at intervals in a circumferential direction of the annular step.

9. The heat shield according to any one of claims 1-8, wherein the heat shield body has a hollow receiving cavity therein, and the opening penetrates through a wall surface of the receiving cavity.

10. Hob, characterized in, that the hob comprises a heat shield according to any one of the claims 1-9.

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