CN111964063B

CN111964063B - Outer ring fire lid and gas-cooker

Info

Publication number: CN111964063B
Application number: CN202010887073.2A
Authority: CN
Inventors: 程永超; 龙艳; 徐强
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-07-09
Anticipated expiration: 2040-08-28
Also published as: CN111964063A

Abstract

The invention discloses an outer ring fire cover and a gas stove, wherein the outer ring fire cover comprises a fire cover body and a plurality of lower extension parts, the lower extension parts extend downwards from the lower side surface of the fire cover body, the outer ring fire cover is also provided with vent holes, and the vent holes extend downwards from the upper side surface of the fire cover body to the bottom surface of the lower extension parts. According to the outer ring fire cover, the lower extension part is arranged, and the vent hole is designed to extend downwards from the upper side surface of the fire cover body to the bottom surface of the lower extension part, so that overflowing liquid can smoothly flow from the upper end to the lower end of the vent hole and then flows out of the vent hole, and the vent hole is prevented from being blocked by overflowing liquid. In addition, the air vent can also communicate the space of outer loop fire lid upside and outer loop fire lid downside to make the air can flow from top to bottom, and then can further supply the air for the fire hole, promote the abundant burning of gas, reduce the production of flue gas.

Description

Outer ring fire lid and gas-cooker

Technical Field

The invention relates to the field of gas cookers, in particular to an outer ring fire cover and a gas cooker.

Background

Gas cookers are commonly used burners in homes. The gas stove usually comprises an inner ring fire cover, an outer ring fire cover and a gas mixing chamber, wherein the inner ring fire cover and the outer ring fire cover are respectively communicated with the gas mixing chamber, and mixed gas is combusted in the inner ring fire cover and the outer ring fire cover respectively.

When the gas stove is used, the problem of liquid overflow often occurs, and the overflowed liquid often flows to the outer ring fire cover along the cooker. Therefore, the hole on the outer ring fire cover is often blocked, and the blocked outer ring fire cover is also difficult to clean.

In addition, the outer ring fire cover is usually provided with a plurality of cylindrical outer ring fire holes, and fuel gas can flow in from one end of the outer ring fire hole and then flow out from the other end of the outer ring fire hole. When the outer ring fire cover burns, often because of the not enough problem of air or air and gas mixture inhomogeneous to cause the outer ring fire cover to produce the higher of flue gas.

Disclosure of Invention

The invention aims to overcome the defect that holes of an outer ring fire cover in the prior art are easily blocked by overflowing liquid, and provides an outer ring fire cover and a gas stove.

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

the utility model provides an outer loop fire lid, its is applied to the gas-cooker, its characterized in that, outer loop fire lid is including fire lid body and a plurality of extension down, the extension down certainly the lower side downwardly extending of fire lid body, outer loop fire lid still is equipped with the air vent, the air vent certainly the upside of fire lid body downwardly extending to the bottom surface of extension down.

In this scheme, through setting up the extension down to with the air vent design for the bottom surface of extending to the extension down from the upside surface of fire lid body, thereby make the upper end of follow air vent that the overflow can be smooth flow to the lower extreme, then flow out the air vent, avoid overflow shutoff air vent. In addition, the air vent can also communicate the space of outer loop fire lid upside and outer loop fire lid downside to make the air can flow from top to bottom, and then can further supply the air for the fire hole, promote the abundant burning of gas, reduce the production of flue gas.

Preferably, the fire cover body has an annular section on the outside, the downward extension part extends downwards from the bottom surface of the annular section, and the vent hole extends downwards from the top surface of the annular section.

In this scheme, through the downside with the annular section of underrun portion to can simplify the structural style of outer loop fire lid, improve the compactedness of outer loop fire lid.

Preferably, the downward extending part is a cylinder or a polygonal column, and the vent holes penetrate through the cylinder or the polygonal column.

In this scheme, through will stretch down the portion design for cylinder or prism to can set up the air vent more conveniently, can simplify the structural style of outer loop fire lid, improve the compactedness of outer loop fire lid.

Preferably, the number of the downward extending parts is multiple, and the downward extending parts are uniformly arranged at intervals along the circumferential direction of the fire cover body.

In this scheme, set up to the even interval setting of circumference along the fire lid body through the portion of stretching down for outer loop fire lid can avoid better by the overflow shutoff, also makes outer loop fire lid upside and the air of outer loop fire lid downside can flow more smoothly, can in time supply the air.

Preferably, the outer ring fire cover further comprises a limiting step, the limiting step is arranged on the inner ring surface of the fire cover body, the limiting step extends downwards from the lower side surface of the fire cover body, and the limiting step is used for clamping the gas mixing chamber of the gas stove.

In this scheme, through setting up spacing step, can simplify the installation form of outer loop fire lid, improve the installation effectiveness of outer loop fire lid.

Preferably, a gap is formed between the side surface of the downward extension part and the gas mixing chamber of the gas stove, and gas flows out of the outer ring fire cover through the gap.

In this scheme, set up the gap through the side at the extension portion down between the gas chamber in advance, the gas flows through the gap to make this gap form the fire hole, also be exactly the fire hole lie in extension portion down and mix between the gas chamber, and then, when the gap flows in the overflow, only need take off the outer loop fire lid, can be simple, high-efficient, thorough sanitization. The fire hole that the gap formed also makes and to supply the air more fully, reduces the production of flue gas, improves the combustion efficiency of gas.

The gas stove comprises a gas mixing chamber and is characterized by comprising the outer ring fire cover, the outer ring fire cover is pressed on the top surface of the gas mixing chamber, the gas mixing chamber is provided with an upper extension part corresponding to the lower extension part, the lower extension part is clamped between the two adjacent upper extension parts, and a gap is formed between the upper extension part and the lower extension part.

In this scheme, set up the gap through stretching down at the outer loop fire lid and mixing between the last stretching portion of air chamber, the gas flows through the gap to make this gap form the fire hole, also the fire hole is located stretching down and mixing between the air chamber, and then, when the gap flows in the overflow, only need take off the outer loop fire lid, can be simple, high-efficient, thorough sanitization. The fire hole that the gap formed also can supply the air more fully, reduces the production of flue gas, improves the combustion efficiency of gas.

Preferably, the side surface of the upper extension part is provided with an adapting surface, and the curvature of the adapting surface is arranged corresponding to the outer side surface of the lower extension part.

In this scheme, through setting up the adaptation face for go up the extension and stretch the gap between the portion more even down, can improve the stability and the homogeneity that the gas flows, thereby improve flame's stability and reliability.

Preferably, a gap is arranged between the upper extending part and the lower side surface of the fire cover body.

In this scheme, through being equipped with the gap between the downside of last extension and fire lid body, this gap outflow can be followed to the gas to can further improve the quantity in fire hole, improve the firepower of flame.

Preferably, a part of the vent hole is located outside the outer circumferential surface of the air mixing chamber.

In this scheme, through setting up some of air vent to be located the outside of air-mixing chamber's outer peripheral face for the air can flow to air-mixing chamber from the air vent more smoothly, can supply more air.

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

The positive progress effects of the invention are as follows:

according to the outer ring fire cover, the lower extension part is arranged, and the vent hole is designed to extend downwards from the upper side surface of the fire cover body to the bottom surface of the lower extension part, so that overflowing liquid can smoothly flow from the upper end to the lower end of the vent hole and then flows out of the vent hole, and the vent hole is prevented from being blocked by overflowing liquid. In addition, the air vent can also communicate the space of outer loop fire lid upside and outer loop fire lid downside to make the air can flow from top to bottom, and then can further supply the air for the fire hole, promote the abundant burning of gas, reduce the production of flue gas.

Drawings

Fig. 1 is a schematic perspective view of a gas range according to a preferred embodiment of the present invention, in which only an inner ring fire cover, an outer ring fire cover and a gas mixing chamber are shown, and other components are not shown.

Fig. 2 is another perspective view of the gas range of fig. 1.

Fig. 3 is a schematic structural view of a front view of the gas range of fig. 1.

Fig. 4 is a schematic structural view of the gas range of fig. 1 without showing an outer ring fire cover.

Fig. 5 is a schematic top view of the gas range of fig. 4.

Fig. 6 is a schematic structural view of an outer ring fire cover of the gas range of fig. 1.

Fig. 7 is another structural schematic diagram of the outer ring fire cover in fig. 6.

Description of reference numerals:

gas kitchen ranges 100

Inner ring fire cover 11

Gap 12

Outer ring fire cover 20

Fire lid body 21

The ring segment 211

Lower extension 22

Vent hole 23

Limit step 24

Gas mixing chamber 30

Upper extension portion 31

The adaptation surface 32

Convex ring 33

Detailed Description

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

As shown in fig. 1 to 7, the gas range 100 of the present embodiment includes a gas mixing chamber 30 and an inner ring fire cover 11, the gas range 100 includes an outer ring fire cover 20, the outer ring fire cover 20 is pressed on a top surface of the gas mixing chamber 30, the gas mixing chamber 30 is provided with an upper extension portion 31 corresponding to the lower extension portion 22, the lower extension portion 22 is clamped between two adjacent upper extension portions 31, and a gap 12 is provided between the upper extension portion 31 and the lower extension portion 22. Set up gap 12 between last extension 31 through the portion 22 that stretches down at outer ring fire lid 20 and gas mixing chamber 30, the gas flows out through gap 12 to make this gap 12 form the fire hole, also be that the fire hole is located down extension 22 and gas mixing chamber 30 between, and then, when gap 12 flowed into the overflow, only need take off outer ring fire lid 20, can be simple, high-efficient, thorough sanitization. The fire holes formed by the gaps 12 can also fully supplement air, reduce the generation of smoke and improve the combustion efficiency of fuel gas.

Referring to fig. 6 and 7, the outer fire cover 20 mentioned above is shown, the outer fire cover 20 includes a fire cover body 21 and a plurality of downward extensions 22, the downward extensions 22 extend downward from the lower side surface of the fire cover body 21, the outer fire cover 20 is further provided with vent holes 23, and the vent holes 23 extend downward from the upper side surface of the fire cover body 21 to the bottom surface of the downward extensions 22. By providing the lower extension portion 22 and designing the vent hole 23 to extend downward from the upper side surface of the fire lid body 21 to the bottom surface of the lower extension portion 22, the overflow can smoothly flow from the upper end to the lower end of the vent hole 23 and then flow out of the vent hole 23, and the vent hole 23 is prevented from being blocked by the overflow. In addition, the vent hole 23 can also communicate the space above the outer ring fire cover 20 and below the outer ring fire cover 20, so that air can flow from top to bottom, further air can be supplemented to the fire hole, sufficient combustion of fuel gas is promoted, and smoke is reduced.

In the present embodiment, the vent holes 23 are provided in one-to-one correspondence with the downward extending portions 22. In other embodiments, the vent 23 may also be provided on the fire lid body 21 between the two lower extensions 22.

In the figure, the outer side of the fire lid body 21 is provided with an annular section 211, the downward extending part 22 extends downwards from the bottom surface of the annular section 211, and the vent hole 23 extends downwards from the top surface of the annular section 211. The structural form of the outer ring fire cover 20 can be simplified and the compactness of the outer ring fire cover 20 can be improved by arranging the lower side of the annular section 211 of the downward extending part 22. In other embodiments, the outer side surface of the annular segment 211 may also extend beyond the outer side surface of the overhang 22 radially outward of the outer fire cover 20. I.e. the ring segments 211 form a brim, so that overflow to the downturned portion 22 can be further avoided.

In this embodiment, the downward extending portion 22 is a cylinder, and the vent hole 23 is disposed through the cylinder. Therefore, the vent holes 23 can be more conveniently arranged, the structural form of the outer ring fire cover 20 can be simplified, and the compactness of the outer ring fire cover 20 is improved. In other embodiments, the downward extending portion 22 may also be a polygon prism, a polyhedron or an irregular shape, and the vent hole 23 is penetrated therethrough.

As shown in fig. 6 and 7, the number of the downward extending portions 22 is plural, and the plural downward extending portions 22 are provided at regular intervals in the circumferential direction of the fire lid body 21. Through setting up extension portion 22 down to the even interval setting of circumference along fire lid body 21 for outer loop fire lid 20 can avoid better being blocked by the discharge, also makes the air of outer loop fire lid 20 upside and outer loop fire lid 20 downside can flow more smoothly, can in time replenish the air.

In the figure, the outer ring fire cover 20 further includes a limiting step 24, the limiting step 24 is disposed on the inner ring surface of the fire cover body 21, the limiting step 24 extends downward from the lower side surface of the fire cover body 21, and the limiting step 24 is used for clamping the gas mixing chamber 30 of the gas stove 100. Through setting up spacing step 24, can simplify the mounting form of outer ring fire lid 20, improve the installation effectiveness of outer ring fire lid 20.

As an embodiment, as shown in fig. 4 and 5, a protruding ring 33 may be disposed at the upper end of the gas mixing chamber 30, the outer fire cover 20 is pressed on the gas mixing chamber 30, the limiting step 24 is clamped on the outer side surface of the protruding ring 33, the upper side surface of the protruding ring 33 abuts against the lower side surface of the outer fire cover 20, and the outer fire cover 20 is firmly disposed on the gas mixing chamber 30. The outer ring fire cover 20 is also rotatable relative to the air mixing chamber 30. The outer ring fire cover 20 is also detachably connected to the air mixing chamber 30.

As shown in fig. 3, a gap 12 is formed between the side surface of the downward extending portion 22 and the gas mixing chamber 30 of the gas range 100, and the gas flows out of the outer ring fire cover 20 through the gap 12. Through setting up gap 12 between the side premix chamber 30 at underextension portion 22, the gas flows out through gap 12 to make this gap 12 form the fire hole, also be that the fire hole is located between underextension portion 22 and the premix chamber 30, and then, when gap 12 flowed into the overflow, only need take off outer ring fire lid 20, can be simple, high-efficient, thorough sanitization. The fire holes formed by the gaps 12 can fully supplement air, reduce the generation of smoke and improve the combustion efficiency of fuel gas.

As shown in fig. 5, the side surface of the upper extension 31 is provided with a fitting surface 32, and the curvature of the fitting surface 32 is arranged corresponding to the outer side surface of the lower extension 22. By arranging the adapting surface 32, the gap 12 between the upper extension part 31 and the lower extension part 22 is more uniform, the stability and uniformity of gas flow can be improved, and the stability and reliability of flame are improved.

In one embodiment, a gap 12 is provided between the upper extension 31 and the lower side surface of the fire lid body 21. By providing the gap 12 between the upper protruding portion 31 and the lower side surface of the fire cover body 21, gas can flow out through the gap 12, so that the number of fire holes can be further increased, and the fire power of flame can be increased.

As shown in fig. 3 and 4, a part of the vent hole 23 is located outside the outer peripheral surface of the air mixing chamber 30. By disposing a part of the vent hole 23 to be located outside the outer peripheral surface of the air mix chamber 30, the air can flow more smoothly from the vent hole 23 to the air mix chamber 30, and more air can be replenished.

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. An outer ring fire cover is applied to a gas stove and is characterized by comprising a fire cover body and a plurality of lower extension portions, wherein the lower extension portions extend downwards from the lower side surface of the fire cover body;

the outer side of the fire cover body is provided with an annular section, the downward extension part extends downwards from the bottom surface of the annular section, and the vent hole extends downwards from the top surface of the annular section;

a gap is formed between the side surface of the lower extension part and the gas mixing chamber of the gas stove, and the gas flows out of the outer ring fire cover through the gap;

the outer side surface of the annular section extends outwards beyond the outer side surface of the downward extension part along the radial direction of the outer ring fire cover.

2. The outer ring fire cover of claim 1, wherein the downward extension is a cylinder or a polygonal column, and the vent holes are arranged in the cylinder or the polygonal column.

3. The outer ring fire cover of claim 1, wherein the number of the downward extensions is plural, and the plural downward extensions are uniformly spaced along a circumferential direction of the fire cover body.

4. The outer ring fire cover of claim 1, further comprising a limit step, wherein the limit step is disposed on the inner ring surface of the fire cover body, the limit step extends downward from the lower side surface of the fire cover body, and the limit step is used for clamping the gas mixing chamber of the gas stove.

5. A gas stove, the gas stove comprises a gas mixing chamber, and is characterized in that the gas stove comprises an outer ring fire cover according to any one of claims 1 to 4, the outer ring fire cover is pressed on the top surface of the gas mixing chamber, the gas mixing chamber is provided with an upper extension part corresponding to the lower extension part, the lower extension part is clamped between two adjacent upper extension parts, and a gap is formed between the upper extension part and the lower extension part.

6. Gas burner as claimed in claim 5, characterized in that the side of the upper stretch is provided with a fitting surface having a curvature corresponding to the outer side of the lower stretch.

7. The gas range of claim 5, wherein a gap is provided between the upper extension and the lower side of the fire cover body.

8. The gas range of claim 6, wherein a portion of the vent hole is located outside an outer circumferential surface of the gas mixing chamber.