CN211060212U

CN211060212U - Metal honeycomb heating body for gas cooker

Info

Publication number: CN211060212U
Application number: CN201921280734.4U
Authority: CN
Inventors: 刘凯; 陈琦; 罗长兵; 潘叶江
Original assignee: Vatti Co Ltd
Current assignee: Vatti Co Ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-07-21
Anticipated expiration: 2029-08-08

Abstract

The utility model discloses a metal honeycomb heat-generating body for gas cooking utensils, including having one row of first bellied metal strip material I and having one row of bellied metal strip material II of second, metal strip material I and metal strip material II coil together and form the honeycomb heat-generating body that has a plurality of dish circles to be formed with the hole that supplies the gas to pass through between the adjacent dish circle, wherein first arch with be located its dorsal hole and be linked together and its lower extreme is sealed, the gas outlet has been seted up to the upper end, the bellied lower extreme of second is sealed, the upper end has the opening that forms the hole. The metal honeycomb heating element of the utility model has low porosity at the lower end of the honeycomb heating element, can effectively prevent flame from spreading to the lower end of the honeycomb heating element, has higher combustion stability and is not easy to cause backfire; the porosity of the upper end of the honeycomb heating body is high, so that the high-efficiency combustion of fuel gas is facilitated, the heating speed is high, and the smooth emission of combustion tail gas is facilitated.

Description

Metal honeycomb heating body for gas cooker

Technical Field

The utility model relates to a cooking utensils technical field especially relates to a metal honeycomb heat-generating body for gas cooking utensils.

Background

At present, the heating bodies of the infrared gas stoves on the market mainly comprise two types, namely ceramic honeycomb bodies and metal honeycomb bodies, wherein the metal honeycomb bodies are increasingly popular with consumers due to better cold and hot shock resistance and better texture. The metal honeycomb body is mostly formed by coiling one or more metal thin strips, but compared with loose ceramics, the compact metal strip has higher heat conductivity, and heat is easier to conduct from the upper side to the lower side of the honeycomb plate, so that the lower side of the honeycomb plate has high temperature. For the honeycomb body which is formed by coiling the metal strip and has a structure with uniform pores up and down, in order to prevent the flame from spreading to the lower side of the honeycomb body to cause tempering, the pores of the honeycomb body need to be designed to be very small, and the small pores can cause the following problems: 1. the porosity of the honeycomb body can be reduced, so that ejection is not facilitated, and further improvement of combustion efficiency is limited; 2. the consumptive material increases, and it is slower to generate heat, and the culinary art is experienced worse.

In addition, the honeycomb body temperature rises sharply after the combustion of the fuel gas in the micropores, the volume increases, and the tail gas needs a larger volume for emission, which requires a higher porosity at the upper end of the honeycomb body.

Disclosure of Invention

The utility model discloses aim at solving one of the problems that exist among the prior correlation technique at least to a certain extent, for this reason, the utility model provides a metal honeycomb heat-generating body for gas cooking utensils, its burning is more stable, is difficult for taking place the tempering.

According to the metal honeycomb heating body for the gas cooker, the metal honeycomb heating body is realized by the following technical scheme:

a metal honeycomb heating body for a gas stove comprises a metal belt material I and a metal belt material II, wherein the metal belt material I is at least provided with a row of first bulges, the metal belt material II is at least provided with a row of second bulges, the metal belt material I and the metal belt material II are mutually coiled together to form the honeycomb heating body with a plurality of coil coils, and pores for gas to pass through are formed between the adjacent coil coils, the lower ends of the first bulges and the second bulges are sealed, the upper ends of the first bulges and the second bulges are provided with openings, and the openings are gas outlets for forming the pores.

In some embodiments, the first protrusion is uniformly disposed in the middle section of the metal strip i.

In some embodiments, the first protrusion is integrally formed by stamping and drawing the metal strip material i, and the upper end of the first protrusion is cut and separated from the metal strip material i to form the air outlet.

In some embodiments, each second protrusion at least comprises a hollow protrusion and a sub-protrusion which are vertically arranged along the width direction of the metal strip II.

In some embodiments, the hollowed-out protrusions and the sub-protrusions are respectively located on the upper half section and the lower half section of the metal strip II.

In some embodiments, the upper end and the lower end of the hollow-out projection have openings, wherein the opening at the upper end is the air outlet forming the pore, and the opening at the lower end is an air inlet for gas to pass through.

In some embodiments, both the upper and lower ends of the sub-protrusion are closed.

In some embodiments, the sub-protrusion has an upper end with an opening and a lower end with a closed end, wherein the opening of the upper end is the air outlet forming the aperture.

In some embodiments, the hollow-out protrusions are formed by integrally stamping and stretching the metal strip II, and the upper ends and the lower ends of the hollow-out protrusions are cut and separated from the metal strip II to form the air outlet and the air inlet respectively.

In some embodiments, the sub-protrusions are integrally formed by punching and drawing the metal strip II, the upper ends of the sub-protrusions are cut and separated from the metal strip II to form openings, and the lower ends of the sub-protrusions are closed.

In some embodiments, the hollowed-out protrusion, the sub-protrusion and the first protrusion have the same protrusion height.

Compared with the prior art, the utility model discloses an at least including following beneficial effect:

1. the metal honeycomb heating element of the utility model has low porosity at the lower end of the honeycomb heating element, and the effective cross-sectional area for gas to pass through is small, so that the lower end of the honeycomb heating element can be better cooled when the gas passes through quickly, thereby preventing flame from spreading to the lower end of the honeycomb heating element, ensuring more stable combustion and being not easy to backfire;

2. the utility model discloses a metal honeycomb heat-generating body, the porosity factor of its honeycomb heat-generating body upper end is high, is favorable to the high-efficient burning of gas, and it is fast to generate heat, is favorable to burning exhaust emissions simultaneously, cooks and experiences well.

Drawings

FIG. 1 is a schematic structural view showing a honeycomb heating element formed by coiling a metal strip I and a metal strip II in example 1 of the present invention;

FIG. 2 is an axial side view of a partial metal strip I in example 1 of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a cross-sectional view taken in the direction B-B of FIG. 2;

fig. 5 is an axial side view of a partial metal strip ii in embodiment 1 of the present invention;

fig. 6 is an axial side view of a partial metal strip ii in embodiment 2 of the present invention.

Detailed Description

The present invention is illustrated by the following examples, but the present invention is not limited to these examples. To the embodiment of the present invention, modify or replace some technical features, without departing from the spirit of the present invention, it should be covered in the technical solution scope of the present invention.

Example 1

As shown in fig. 1-3 and 5, a metal honeycomb heating element for a gas cooker comprises a metal strip i 1 and a metal strip ii 2, wherein the metal strip i 1 is at least provided with a row of first protrusions 11 arranged at intervals along the length direction of the metal strip, the metal strip ii 2 is at least provided with a row of second protrusions 21 arranged at intervals along the length direction of the metal strip, the metal strip i 1 and the metal strip ii 2 are coiled together to form a honeycomb heating element with a plurality of coils, pores 101 for gas to pass through are formed between adjacent coils, and the gas is transmitted from the pores 101 to the upper surface of the honeycomb heating element for combustion. Wherein the lower ends of the first projection 11 and the second projection 21 are sealed and the upper ends have openings which are air outlets 102 forming part of the apertures 101.

The metal honeycomb heat-generating body of this embodiment, all design for sealing through the lower extreme with first protruding 11 and the protruding 21 of second for the porosity of honeycomb heat-generating body lower extreme is low, and the effective cross-sectional area that can supply the gas to pass through is few, is favorable to accelerating the gas velocity of flow of honeycomb heat-generating body lower extreme, so that can cool off honeycomb heat-generating body lower extreme better when the gas passes through fast, thereby make flame more difficult to propagate to honeycomb heat-generating body lower extreme, combustion stability is higher, difficult tempering that takes place. In addition, all offer the gas outlet 102 who forms partial hole 101 through the upper end at first arch 11 and second arch 21 for the porosity of honeycomb heat-generating body upper end is higher, is favorable to the high-efficient burning of gas and smoothly discharges with burning tail gas, and the speed of generating heat is faster, and culinary art is experienced well.

As shown in fig. 2 to 4, the first protrusions 11 are preferably uniformly arranged at the middle section in the width direction of the metal strip i 1. More preferably, the first protrusion 11 is integrally formed by stamping and stretching the metal strip i 1, and the upper end of the first protrusion 11 is cut and separated from the metal strip i 1 to form the air outlet 102, so that the first protrusion 11 can be rapidly machined and formed without increasing consumables; in addition, the first bulge 11 plays a supporting role, the air outlet 102 at the upper end of the first bulge is also used as a part of the pore 101, so that the low porosity and the high porosity at the upper end of the metal strip I1 are ensured, the metal strip can be better matched with a gas combustion rule, the large porosity required by a combustion area can be met, the combustion efficiency is high, the heating is fast, the small porosity required by the combustion stability can be met, and the tempering is not easy to occur.

As shown in fig. 5, each second protrusion 21 at least includes a hollow protrusion 211 and a sub-protrusion 212 vertically arranged along the width direction of the metal strip ii 2. Preferably, the hollowed-out protrusions 211 and the sub-protrusions 212 are respectively arranged on the upper half section and the lower half section of the width direction of the metal strip material II 2, so that the hollowed-out protrusions 211 and the sub-protrusions 21 are respectively staggered with the first protrusions 11 in the vertical direction of the honeycomb heating element, when the metal strip I1 and the metal strip material II 2 are coiled together to form the honeycomb heating element, no depression occurs between the protrusions, and the more stable and reliable pores 101 are formed between the coiled coils. In this embodiment, the upper half section refers to a section above the center line in the width direction of the metal strip, and the upper half section refers to a section below the center line in the width direction of the metal strip.

Specifically, the upper end and the lower end of the hollow protrusion 211 are provided with openings, wherein the opening at the upper end is an air outlet 102 forming the pore 101, and the opening at the lower end is an air inlet 103 for gas to pass through. The upper and lower ends of the sub-protrusion 212 are closed. From this, set up to the blind end through the upper and lower both ends with fretwork arch 211, make metal strip II 2's lower extreme porosity lower, be favorable to further reducing the porosity of honeycomb heat-generating body lower extreme. In addition, the sub-protrusions 212 play a supporting role, and the air outlet 102 at the upper end of the sub-protrusions can be used as a part of the pore 3, so that the upper end of the honeycomb heating body has higher porosity, full and efficient combustion is facilitated, and the heating effect and the smoke emission effect of the honeycomb heating are enhanced.

Preferably, the hollowed-out protrusions 211 and the sub-protrusions 212 are integrally formed by the metal strip II 2 in a stamping and stretching mode, wherein the upper ends and the lower ends of the hollowed-out protrusions 211 are cut and separated from the metal strip II 2 to form the air outlets 102 and the air inlets 103 respectively; the sub-protrusions 212 are closed at upper and lower ends thereof. Therefore, under the condition that consumable items are not increased, the hollow-out protrusions 211 and the sub-protrusions 212 are convenient to machine and form quickly, and therefore the purposes of improving production efficiency and reducing manufacturing cost are achieved.

Preferably, the hollowed-out protrusions 211 and the sub-protrusions 212 have the same height as the protrusions of the first protrusions 11, respectively, so as to ensure that the voids 101 formed between the coils are more uniform.

Example 2

As shown in fig. 6, the present embodiment is different from embodiment 1 in that: the upper end of the hollowed-out projection 211 is cut and separated to form an opening which is the air outlet 102 constituting a part of the aperture 101, and the other portions are the same as those of embodiment 1.

It can be seen that the porosity of the coil with the hollowed-out protrusion 211 is higher by providing the air outlet 102 at the upper end of the hollowed-out protrusion 211, so that the overall porosity of the metal honeycomb heating element is further improved, and the combustion efficiency and the heating effect are further improved.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. A metal honeycomb heating body for a gas cooker comprises a metal strip material I (1) and a metal strip material II (2), wherein the metal strip material I (1) is at least provided with a row of first bulges (11), the metal strip material II (2) is at least provided with a row of second bulges (21), the metal strip material I (1) and the metal strip material II (2) are coiled together to form a honeycomb heating body with a plurality of coiled coils, and pores (101) for gas to pass through are formed between adjacent coiled coils, and the metal honeycomb heating body is characterized in that the lower ends of the first bulges (11) and the second bulges (21) are sealed, the upper ends of the first bulges and the second bulges are provided with openings, and the openings are gas outlets (102) for forming the pores (101).

2. A metal honeycomb heating element for a gas range as described in claim 1, wherein said first protrusions (11) are uniformly provided in the middle section of said metal strip i (1).

3. A metal honeycomb heating element for a gas range as set forth in claim 2, wherein said first projection (11) is integrally formed by punching and drawing said metal strip i (1), and the upper end of said first projection (11) is cut and separated from said metal strip i (1) to form said gas outlet (102).

4. A metal honeycomb heating body for a gas range as set forth in any one of claims 1 to 3, wherein each of said second projections (21) comprises at least a hollowed-out projection (211) and a sub-projection (212) provided up and down in the width direction of the metal band ii (2).

5. The metal honeycomb heating body for the gas range as set forth in claim 4, wherein said hollowed projections (211) and said sub-projections (212) are respectively provided at the upper half section and the lower half section of said metal band II (2).

6. A metal honeycomb heating element for a gas range as defined in claim 4, wherein said hollowed projections (211) have openings at upper and lower ends, wherein the opening at the upper end is said gas outlet (102) forming said pores (101), and the opening at the lower end is said gas inlet (103).

7. A metal honeycomb heating body for a gas range as described in claim 6, wherein both upper and lower ends of said sub-protrusions (212) are closed.

8. A metal honeycomb heating body for a gas range as described in claim 6, wherein said sub-protrusions (212) have an opening at an upper end and a closed lower end, wherein the opening at the upper end is said gas outlet (102) forming said aperture (101).

9. The metal honeycomb heating element for the gas cooker as claimed in claim 6, wherein said hollowed projections (211) are integrally formed by punching and drawing said metal strip II (2), and the upper and lower ends of said hollowed projections (211) are cut and separated from said metal strip II (2) to form said gas outlet (102) and said gas inlet (103), respectively.

10. The metal honeycomb heating element for gas cookers as claimed in claim 8, wherein the sub-protrusions (212) are integrally formed by punching and drawing the metal strip ii (2), and the upper ends of the sub-protrusions (212) are cut and separated from the metal strip ii (2) to form openings, and the lower ends are closed.

11. A metal honeycomb heating body for a gas range according to claim 4, characterized in that the hollowed-out projections (211), the sub-projections (212) and the first projections (11) have the same projection height.