CN111578344A

CN111578344A - Heat shield and cooker comprising same

Info

Publication number: CN111578344A
Application number: CN202010424379.4A
Authority: CN
Inventors: 刘晓刚; 程永超; 柯情; 王帅东; 俞瑜; 徐强
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2020-08-25
Anticipated expiration: 2040-05-19
Also published as: CN111578344B

Abstract

The invention discloses a heat shield and a cooker comprising the same. The invention also discloses a cooker comprising the heat shield. The heat shield can reduce the heat conducted to the external space by the heat shield, and the first through hole is arranged on the binding surface of the upper cover and the heat shield body, so that the contact area between the upper cover and the heat shield body can be reduced, and the heat conducted to the external space by the heat shield can be further reduced.

Description

Heat shield and cooker comprising same

Technical Field

The invention relates to a heat shield and a cooker comprising the same.

Background

Because the pot is arranged on the pot support for heating, and a certain space interval is formed between the pot and the burner, the heat energy generated by gas combustion is used for heating the pot, and a certain part of the heat energy is released to the surrounding environment, so that the energy waste is caused. The waste of the energy is reduced through addding the cooking utensils heat exchanger that separates on cooking utensils among the prior art, but the cooking utensils heat exchanger that separates among the prior art is mostly the integral type structure, and this when just leading to the inlayer to conducting heat to the skin, because the skin is immersed in outer atmospheric air, receives the influence of convection current on every side, and the heat dissipation leads to the fact efficiency on the low side fast.

Disclosure of Invention

The invention aims to overcome the defect that the combustion efficiency of a cooker is low due to the fact that heat dissipation of a heat insulation cover is fast in the prior art, and provides the heat insulation cover and the cooker comprising the same.

The invention solves the technical problems through the following technical scheme:

the utility model provides a separate heat exchanger which characterized in that, separate heat exchanger includes separate heat exchanger body and upper cover, the outward flange of upper cover with separate the outward flange of heat exchanger body and be connected, the upper cover with separate and be provided with first through-hole on the binding face of heat exchanger body.

In this scheme, adopt above-mentioned structural style, will separate the heat exchanger and set up to have the two-layer structure of separating heat exchanger body and upper cover, when cooking utensils adopt this to separate the heat exchanger, the partial heat of cooking utensils conducts to the upper cover from separating the heat exchanger body and gives off to the space on every side, compares in traditional integral type separates the heat exchanger, separates the heat exchanger in this scheme and can reduce the heat that separates the heat exchanger and conduct to the outer space. And, be provided with first through-hole on upper cover in this scheme and the heat exchanger body binding face that separates, can reduce the upper cover and separate the area of contact between the heat exchanger body to further reduce the heat of separating heat exchanger to the conduction of outer space.

Preferably, a cavity is arranged between the upper cover and the heat shield body to form a heat insulation layer.

In this scheme, form the insulating layer through making to have the cavity between heat exchanger body and the upper cover, can pass through the insulating layer with the partial heat of cooking utensils to the upper cover again and give off to the space on every side from heat exchanger body, can further reduce the heat that gives off from the heat exchanger to improve the availability factor of the cooking utensils energy.

Preferably, a first connecting part is arranged on the outer edge of the top surface of the heat shield body, and a second connecting part is arranged on the outer edge of the upper cover; the first connecting part is attached to the second connecting part, and the second connecting part is arranged on the outer side of the first connecting part; the first connecting portion is provided with the first through hole.

In this scheme, connect through the first connecting portion that will set up in the outward flange of the top surface of heat shield body and the second connecting portion that sets up in the upper cover outward flange to make the upper cover lid fit the upper surface of heat shield body, the upper cover has the structural style of parcel to the upside of heat shield body. And, set up first through-hole on the first connecting portion of insulating boot body, reduce the area of contact between insulating boot body and the upper cover to reduce the heat that separates the heat exchanger and give off, promote energy utilization.

Preferably, the first connecting portion includes a first sidewall, the second connecting portion includes a second sidewall, and the first sidewall and the second sidewall are relatively attached to each other; the first through hole is arranged on the first side wall.

In this scheme, specifically set up first through-hole on the first lateral wall of first connecting portion, in a feasible implementation, separate heat exchanger body and upper cover except that first connecting portion and the laminating of second connecting portion, all the other parts vacuole formation, consequently set up the through-hole on the second lateral wall and the first lateral wall of laminating each other, can effectual reduction separate the area of contact between heat exchanger body and the upper cover to more effectual reduction separates the heat that the heat exchanger gived off.

Preferably, the heat shield body further includes a vertical support portion, the first connecting portion is bent from an upper end of the vertical support portion toward an inner side of the vertical support portion, and the first connecting portion is bent upward in a direction away from the vertical support portion to form the first sidewall.

In this scheme, adopt foretell structural style, support whole heat exchanger and form the combustion space through vertical supporting part. First connecting portion buckle to the inboard of vertical support portion earlier from the upper end of vertical support portion, buckle towards the direction of keeping away from vertical support portion again to form connection space and upper cover at the outward flange of the top surface of heat exchanger and be connected, make the appearance of upper cover and heat exchanger body unanimous, the structure is compacter, also more for pleasing to the eye.

Preferably, the heat shield body further comprises an inner supporting portion, one end of the inner supporting portion is connected with the top end of the first connecting portion, and the other end of the inner supporting portion extends towards the inner side of the vertical supporting portion and is connected with the upper cover.

In the scheme, by adopting the internal support part structure, on one hand, the internal support part structure can be connected with the upper cover to support the upper cover, and the overall structure of the heat shield is more stable; on the other hand, the heat insulation cover can form a heat insulation layer with the heat insulation cover body.

Preferably, an outer edge of the upper cover is bent downward to form the second sidewall.

In this scheme, through the outward flange with the upper cover downward bending type become with this body coupling's of heat shield second lateral wall, can fit the upper cover lid on the heat shield body, its connected mode is simple, the dismouting of being convenient for also can make holistic compact structure, the outward appearance is unanimous.

Preferably, the upper cover further includes a second groove and a connecting portion, the second groove includes a third sidewall and a fourth sidewall, a top end of the third sidewall is connected to the non-bent end of the second connecting portion, and a top end of the fourth sidewall is connected to a top end of the connecting portion.

In this scheme, adopt foretell structural style, connecting portion can with this body coupling of heat shield, make heat shield overall structure more stable. And a second groove is arranged between the connecting part and the second bending part, so that partial overflowing liquid can be accumulated.

Preferably, the heat shield further comprises pan support legs, and the pan support legs are arranged on the upper surface of the heat shield body at intervals; the upper cover is provided with a plurality of second through holes which are arranged at intervals and matched with the pot supporting legs.

In this scheme, through set up the pot stabilizer blade on the heat exchanger body that separates to and set up in the second through-hole that the pot stabilizer blade matches on covering, make on the one hand separate the heat exchanger and can support corresponding pan, on the other hand also can separate the removal of heat exchanger body through second through-hole and pot stabilizer blade restriction upper cover relatively, make overall structure more reliable.

Preferably, the heat shield further comprises at least one heat insulation plate, and the heat insulation plate is arranged inside the heat shield body to form a heat insulation layer.

A cooking utensil is characterized in that the cooking utensil comprises the heat shield.

In this scheme, cooking utensils can reduce calorific loss through adopting above-mentioned heat exchanger that separates, improve energy utilization.

The positive progress effects of the invention are as follows: set up to have the two-layer structure of thermal-insulated cover body and upper cover with thermal-insulated cover, when cooking utensils adopt this thermal-insulated cover, the partial heat of cooking utensils conducts to the upper cover from thermal-insulated cover body and gives off to the space on every side, compares in traditional integral type thermal-insulated cover, and thermal-insulated cover in this scheme can reduce the heat of thermal-insulated cover conduction to the outer space. And, be provided with first through-hole on upper cover in this scheme and the heat exchanger body binding face that separates, can reduce the upper cover and separate the area of contact between the heat exchanger body to further reduce the heat of separating heat exchanger to the conduction of outer space.

Drawings

FIG. 1 is a schematic structural view of a heat shield according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a heat shield according to an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a schematic structural view of a heat shield body according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a heat shield body of an embodiment of the present invention;

FIG. 6 is an enlarged partial view of FIG. 5 at B;

FIG. 7 is a schematic structural diagram of an upper cover according to an embodiment of the present invention;

FIG. 8 is a cross-sectional view of an upper cover of an embodiment of the present invention;

FIG. 9 is an enlarged partial schematic view at C of FIG. 8;

FIG. 10 is an enlarged partial view of FIG. 8 at D;

FIG. 11 is an enlarged partial schematic view of a heat shield body and cover attachment portion according to an embodiment of the present invention.

Description of the reference numerals

Heat shield 100

Heat shield body 110

First connection portion 111

First side wall 1111

First through hole 1112

Vertical support 112

Third through hole 1121

Rolled edge 1122

Inner support 113

First groove 1131

First circular through-hole 1132

Pot support leg 114

Upper cover 120

Second connection part 121

Second side wall 1211

Second recess 122

Third side wall 1221

Fourth side wall 1222

Connecting part 123

Second circular through hole 1231

Second via 124

Cavity 130

Detailed Description

The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.

An embodiment of the present invention provides a heat shield, as shown in fig. 1, the heat shield 100 includes a heat shield body 110 and an upper cover 120, an outer edge of the upper cover 120 is connected to an outer edge of the heat shield body 110, and a first through hole 1112 is disposed on a joint surface of the upper cover 120 and the heat shield body 110. This embodiment sets up to separate heat exchanger 100 and sets up to have two-layer structure from heat exchanger body 110 and upper cover 120, and when cooking utensils adopted this heat exchanger 100, the partial heat of cooking utensils conducts to the space that upper cover 120 gived off to the periphery from separating heat exchanger body 110, compares in traditional integral type heat exchanger 100 that separates, separates heat exchanger 100 in this scheme can reduce and separate heat exchanger 100 to the heat of conducting to the outer space. In addition, in this embodiment, the first through hole 1112 is provided on the surface where the upper cover 120 and the heat shield body 110 are bonded, so that the contact area between the upper cover 120 and the heat shield body 110 can be reduced, and the amount of heat conducted from the heat shield 100 to the external space can be further reduced.

In a preferred embodiment, as shown in FIG. 2, a cavity 130 is formed between the top cover 120 and the heat shield body 110 to form a thermal insulation layer. In the embodiment, the cavity 130 is formed between the heat shield body 110 and the upper cover 120 to form the heat insulation layer, so that part of heat of the stove can be conducted from the heat shield body 110 to the upper cover 120 through the heat insulation layer to be dissipated to the surrounding space, the heat dissipated by the heat shield 100 can be further reduced, and the use efficiency of energy of the stove can be improved.

As a preferred embodiment, as shown in fig. 1 and 2, the outer edge of the top surface of the heat shield body 110 is provided with a first connecting portion 111, and the outer edge of the upper cover 120 is provided with a second connecting portion 121; the first connecting portion 111 and the second connecting portion 121 are attached, and the second connecting portion 121 is disposed outside the first connecting portion 111; the first connection portion 111 is provided with a first through hole 1112.

In the embodiment, the first connection portion 111 disposed at the outer edge of the top surface of the heat shield body 110 and the second connection portion 121 disposed at the outer edge of the upper cover 120 are connected, so that the upper cover 120 covers the upper surface of the heat shield body 110, and the upper cover 120 has a structure form of wrapping the upper side of the heat shield body 110. In addition, the first through hole 1112 is disposed on the first connecting portion 111 of the heat shield body 110, so as to reduce the contact area between the heat shield body 110 and the upper cover 120, thereby reducing the heat emitted from the heat shield 100 and improving the energy utilization rate. In addition, it should be noted that, due to actual manufacturing and use, as shown in fig. 11, the first connection portion 111 and the second connection portion 121 may not be completely attached or may not be always attached, but when the gap between the first connection portion 111 and the second connection portion 121 is less than a certain value, the heat conducted by the cooker is more than the heat conducted by the cooker having a spatial fitting form. Therefore, the fitting in the present embodiment is to be understood as a broad fitting, that is, the fitting is understood when the gap between the first connection portion 111 and the second connection portion 121 is smaller than a certain value.

In a preferred embodiment, as shown in fig. 3, the first connection portion 111 includes a first sidewall 1111, the second connection portion 121 includes a second sidewall 1211, and the first sidewall 1111 and the second sidewall 1211 are disposed opposite to each other; the first through hole 1112 is disposed on the first sidewall 1111. In this embodiment, the cavity 130 is formed in the rest of the heat shield body 110 and the upper cover 120 except for the first connection portion 111 and the second connection portion 121, so that the through holes are formed in the second side wall 1211 and the first side wall 1111, which are attached to each other, and the contact area between the heat shield body 110 and the upper cover 120 can be effectively reduced, thereby more effectively reducing the heat emitted from the heat shield 100. In addition, in this embodiment, the first through hole 1112 is preferably disposed on the first side wall 1111 to reduce a contact area between the heat shield body 110 and the upper cover 120, and the first through hole 1112 may be disposed at another joint of the first connection portion 111 and the second connection portion 121, for example, disposed on the second side wall 1211 or disposed on a bottom wall of the first connection portion 111 or the second connection portion 121. It should be understood that other embodiments for reducing the conductive heat by providing through holes to reduce the contact area are within the scope of the present invention.

As a preferred embodiment, as shown in fig. 4 to 6, the heat shield body 110 further includes a vertical support portion 112, the first connecting portion 111 is bent from the upper end of the vertical support portion 112 toward the inner side of the vertical support portion 112, and the first connecting portion 111 is bent upward in a direction away from the vertical support portion 112 to form a first sidewall 1111. The present embodiment supports the entire heat shield 100 by the vertical support portion 112 and forms a combustion space. The first connecting portion 111 is bent from the upper end of the vertical support portion 112 to the inner side of the vertical support portion 112, and then bent toward a direction away from the vertical support portion 112, so that a connecting space is formed at the outer edge of the top surface of the heat shield 100 to connect with the upper cover 120, and the upper cover 120 and the heat shield body 110 are identical in appearance, more compact in structure and more attractive in appearance.

As a specific example, the vertical support 112 may also be angled.

As a preferred embodiment, as shown in fig. 4 and 5, a plurality of third through holes 1121 are formed on the sidewall of the vertical support portion 112. In the embodiment, the third through holes 1121 are formed in the side wall of the vertical support portion 112, so that air can flow into the heat shield 100 conveniently, and then flows into an air port of a burner of a cooker, so that the energy utilization rate is improved more sufficiently by burning.

As a preferred embodiment, the bottom end of the vertical support 112 has an inwardly turned bead 1122 as shown in FIG. 5. In the present embodiment, the bottom end of the vertical support portion 112 is bent to form the bead 1122, which increases the rigidity of the heat shield 100 and reduces the deformation in the cold and hot states. In particular, the bead 1122 may be bent inward of the upright support 112 or outward of the upright support 112. When the utility model is bent inwards, the utility model is more beautiful and is not easy to accumulate dirt.

As a preferred embodiment, as shown in fig. 4 and 5, the heat shield body 110 further includes an inner support portion 113, one end of the inner support portion 113 is connected to the top end of the first connecting portion 111, and the other end of the inner support portion 113 extends toward the inside of the vertical support portion 112 and is connected to the upper cover 120. By adopting the structure of the inner supporting portion 113, on one hand, the heat shield can be connected with the upper cover 120 to provide support for the upper cover 120, and the overall structure of the heat shield 100 is more stable; on the other hand, it can form an insulating layer with the heat shield body 110.

As a preferred embodiment, as shown in fig. 4 and 5, the top surface of the inner support 113 has a first groove 1131 recessed downward. The present embodiment can accumulate the overflowing liquid flowing down from the upper cover 120 by providing the first groove 1131 on the top surface of the inner support portion 113.

As a specific embodiment, as shown in fig. 5, the other end of the inner support portion 113 extends downward toward the inner side of the vertical support portion 112 and then protrudes upward to form a connection portion 123 connected to the upper cover 120; the downwardly extending and upwardly protruding portions of the inner support 113 form first grooves 1131.

As a specific embodiment, the other end of the inner support 113 extends downward toward the inside of the vertical support 112 at a slope of a first preset value.

As a specific embodiment, as shown in fig. 4 and 5, a first circular through hole 1132 is provided in the middle of the inner support portion 113.

In a preferred embodiment, as shown in fig. 7-10, the outer edge of the upper cover 120 is bent downward to form a second sidewall 1211. In this embodiment, the outer edge of the upper cover 120 is bent downward to form the second sidewall 1211 connected to the heat shield body 110, so that the upper cover 120 can be covered on the heat shield body 110, the connection method is simple, the assembly and disassembly are convenient, and the overall structure is compact and the appearance is uniform.

As a preferred embodiment, as shown in fig. 7 and 8, the upper cover 120 further includes a second groove 122 and a connecting portion 123, the second groove 122 includes a third sidewall 1221 and a fourth sidewall 1222, a top end of the third sidewall 1221 is connected to an unfolded end of the second connecting portion 121, and a top end of the fourth sidewall 1222 is connected to a top end of the connecting portion 123. The connecting portion 123 in this embodiment can be connected to the heat shield body 110, so that the overall structure of the heat shield 100 is more stable. A second groove 122 is provided between the connecting portion 123 and the second bent portion, enabling a part of the overflow to accumulate.

As a specific embodiment, the third sidewall 1221 of the second groove 122 has a slope of a second preset value. The slope of the second preset value may or may not be equal to the slope of the first preset value.

As a specific embodiment, as shown in fig. 8 and 10, the connection part 123 of the upper cover 120 has a multi-fold structure. Specifically, as shown in the figure, one end of the connecting portion 123 is connected to the top end of the third sidewall 1221 of the second groove 122, and the other end of the connecting portion 123 extends downward, bends toward a direction away from the second groove 122, and then bends downward.

As a specific embodiment, as shown in fig. 7, a second circular through hole 1231 is provided in the middle of the upper cover 120. The second circular through hole 1231 is coaxial with the first circular through hole 1132.

As a preferred embodiment, as shown in fig. 4 and 7, the heat shield 100 further includes pan legs 114, the pan legs 114 being spaced apart from the upper surface of the heat shield body 110; the upper cover 120 has a plurality of second through holes 124 spaced apart and matching the pan legs 114. In the embodiment, the pot support legs 114 are disposed on the heat shield body 110, and the second through holes 124 matched with the pot support legs 114 are disposed on the upper cover 120, so that the heat shield 100 can support a corresponding pot, and on the other hand, the movement of the upper cover 120 relative to the heat shield body 110 can be limited by the second through holes 124 and the pot support legs 114, so that the whole structure is more reliable.

In one embodiment, the second through hole 124 of the upper cover 120 is clearance-fitted with the pan leg 114. Preferably, the gap between the second through hole 124 and the pan foot 114 is not more than 3 mm.

In a preferred embodiment, the upper surface of the pan support leg 114 has an inclined surface, and the inclined surface is disposed at a side close to the first circular through hole 1132.

In particular implementations, the heat shield may have a variety of shapes depending on particular needs.

As a preferred embodiment, as shown in fig. 1, the heat shield body 110 is an annular cover body, the upper cover 120 is an annular upper cover 120, and the support bodies are arranged on the upper surface of the inner support portion 113 at intervals along the circumferential direction of the heat shield body 110.

As another embodiment, the heat shield body may also be square or the like.

In a preferred embodiment, the heat shield further comprises at least one heat insulation board (not shown), and the heat insulation board is arranged inside the heat shield body to form a heat insulation layer.

In one embodiment, the heat shield body has a cavity between the heat shield and the upper surface of the heat shield body to form a thermal barrier. This embodiment is through addding the heat insulating board in order to increase the figure of insulating layer to can increase and decrease the figure of insulating layer according to specific demand, compromise manufacturing cost and promote energy utilization.

In a preferred embodiment, a cavity is formed between the upper cover and the upper surface of the heat shield body to form a heat insulation layer, and a cavity is formed between the upper covers to form a heat insulation layer (not shown). This embodiment is through addding the figure of upper cover in order increasing the insulating layer to can compromise manufacturing cost and promotion energy utilization rate according to the figure of specific demand increase and decrease insulating layer.

In addition, a heat insulation layer and an upper cover can be added in the heat insulation cover body according to actual needs.

As a preferred embodiment, as shown in fig. 1, the heat shield body and the upper cover of the heat shield may be provided in a detachably attached form. Thereby facilitating cleaning.

The invention also provides a cooker which comprises the heat shield. This embodiment cooking utensils can reduce calorific loss through adopting above-mentioned heat exchanger that separates, improves energy utilization.

While specific embodiments of the invention have been described above, it will be appreciated 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 scope of the invention, and these changes and modifications are within the scope of the invention.

Claims

1. The utility model provides a separate heat exchanger, its characterized in that separates the heat exchanger including separating heat exchanger body and upper cover, the outward flange of upper cover with separate the outward flange of heat exchanger body and be connected, the upper cover with separate and be provided with first through-hole on the binding face of heat exchanger body.

2. The heat shield of claim 1 wherein a cavity is provided between said cover and said heat shield body to form an insulating layer.

3. The heat shield of claim 1, wherein an outer edge of the top surface of the heat shield body is provided with a first connection portion, and an outer edge of the upper cover is provided with a second connection portion; the first connecting part is attached to the second connecting part, and the second connecting part is arranged on the outer side of the first connecting part; the first connecting portion is provided with the first through hole.

4. The heat shield of claim 3, wherein the first connection portion comprises a first sidewall and the second connection portion comprises a second sidewall, the first sidewall and the second sidewall being in opposing abutment; the first through hole is arranged on the first side wall.

5. The heat shield of claim 4, wherein the heat shield body further comprises a vertical support, the first connection portion is bent from an upper end of the vertical support toward an inner side of the vertical support, and the first connection portion is bent upward in a direction away from the vertical support to form the first sidewall.

6. The heat shield of claim 5, wherein the heat shield body further comprises an inner support portion, one end of which is connected to a top end of the first connection portion, and the other end of which extends toward an inner side of the vertical support portion and is connected to the upper cover.

7. The heat shield of claim 4 wherein an outer edge of said cover is bent downwardly to form said second sidewall.

8. The heat shield of claim 3, wherein the upper cover further comprises a second groove and a connecting portion, the second groove comprising a third sidewall and a fourth sidewall, a top end of the third sidewall being connected to the non-bent end of the second connecting portion, and a top end of the fourth sidewall being connected to the top end of the connecting portion.

9. The heat shield of claim 1, further comprising pan support legs spaced apart from an upper surface of said heat shield body; the upper cover is provided with a plurality of second through holes which are arranged at intervals and matched with the pot supporting legs.

10. The heat shield of any of claims 1-9, further comprising at least one heat shield panel disposed within the heat shield body to form a thermal barrier.

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