CN112728540B

CN112728540B - Outer ring fire lid subassembly, outer ring fire lid and gas-cooker

Info

Publication number: CN112728540B
Application number: CN202110012973.7A
Authority: CN
Inventors: 程永超; 徐强
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2022-03-08
Anticipated expiration: 2041-01-06
Also published as: CN112728540A

Abstract

The invention discloses an outer ring fire cover assembly, an outer ring fire cover and a gas stove, wherein the outer ring fire cover assembly is applied to the gas stove and comprises an outer ring fire cover and an annular body, the outer ring fire cover comprises a fire cover body and a plurality of extension parts, the extension parts extend downwards from the lower surface of the fire cover body, and the extension parts are arranged around the fire cover body; the annular body is arranged in the circumferential direction of the outer ring fire cover in a surrounding mode and connected to the plurality of extension portions, and fire holes are formed in gaps between the annular body and the extension portions. By adopting the invention, when the mixed gas of the fuel gas and the air passes through the gap, the gap can generate a turbulent flow effect on the mixed gas, so that the fuel gas and the air are mixed more uniformly, the flowing speed of the mixed gas can be reduced, and the combustion is more sufficient and more stable.

Description

Outer ring fire lid subassembly, outer ring fire lid and gas-cooker

Technical Field

The invention relates to an outer ring fire cover assembly, an outer ring fire cover and a gas stove.

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.

Outer loop fire lid has a plurality of cylindric outer loop fire holes among the prior art, and the gas can flow in from the one end in outer loop fire hole, then flows out from the other end in outer loop 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 defects that fire holes of an outer ring fire cover in the prior art are easily blocked by overflowing liquid and are not easy to clean, and provides an outer ring fire cover assembly, an outer ring fire cover and a gas stove.

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

an outer ring fire cover assembly is applied to a gas stove and is characterized by comprising an outer ring fire cover and an annular body, wherein the outer ring fire cover comprises a fire cover body and a plurality of extension parts, the extension parts extend downwards from the lower surface of the fire cover body, and the extension parts are arranged around the fire cover body;

the annular body is arranged in the circumferential direction of the outer ring fire cover in a surrounding mode and connected to the plurality of extension portions, and fire holes are formed in gaps between the annular body and the extension portions.

In the scheme, the outer ring fire cover is provided with an extension part, the annular body is connected with the extension part, a gap is formed between the annular body and the extension part, and the gap can be used as a fire hole; when the mist of gas and air passes through this gap, this gap can produce the effect of vortex to mist to make gas and air mix more evenly, also can reduce mist's velocity of flow, make the burning more abundant, more stable.

Preferably, the outer side face and/or the inner side face of the extension part is/are provided with a cutting groove, and the annular body is detachably connected in the cutting groove.

In this scheme, the lateral surface of extension refers to the side that faces the outside of fire lid body circumference, and the medial surface of extension refers to the side that faces the inside of fire lid body. The outer ring fire cover component is convenient to clean and assemble and manufacture by arranging the cutting groove on the outer side face and/or the inner side face of the extension part and assembling the ring body through the cutting groove, so that the ring body is detachably connected in the cutting groove.

Preferably, the sizes of the slots on the same extension part are not completely equal;

or the cutting grooves on the same extension part are equal in size;

or, the sizes of the slots on the same extension part are different.

Preferably, the distance between the plurality of slots on the same extension part is not completely equal;

or, the distance between the plurality of cutting grooves on the same extension part is equal;

or the distance between the plurality of cutting grooves on the same extension part is different.

Preferably, the extension portions are located on the same horizontal plane corresponding to the cutting grooves and have the same size.

In the scheme, the sizes of the cutting grooves on the same extension part can be equal or unequal or not equal completely; in addition, the intervals between the plurality of cutting grooves on the same extension part can be equal or unequal or not completely equal. And can be set accordingly according to specific requirements.

For example, the sizes of the corresponding slots on different extending portions are equal, the sizes of the slots on the same extending portion are different, and the distances are also different; therefore, gaps with the same height, width and angle in the same longitudinal direction and the same height, width and angle in the same horizontal direction are formed; can set up the gap of corresponding size according to the gas mixing proportion between gas and the air, or the gradient sets up the gap for the vortex effect is better, and the fire hole goes out the fire also comparatively even.

Preferably, the annular body has a circular cross section, and the longitudinal cross section of the cutting groove is semicircular.

In this scheme, circular cross-section's annular body sets up in semicircular grooving, and outside the extension was protruded to partial annular body, can strengthen the vortex effect. In specific implementations, the cross-section of the annular body can be various shapes, such as a regular square, an oval, or other irregular state; the section of the cutting groove can be correspondingly arranged according to the section of the annular body, so that the annular body can be assembled in the cutting groove and is attached to the groove wall of the cutting groove.

Preferably, the outer fire cover assembly comprises a first ring body, a second ring body and a third ring body, and the first ring body and the second ring body are sleeved on the outer side surface of the extension part; the third ring body is connected to the inner side face of the extending portion, and in the vertical direction, the third ring body is located between the first ring body and the second ring body.

In the scheme, by adopting the structural form, the third ring body is positioned on the inner side surface of the extension part, and when the mixed gas flows out of the gas mixing chamber, the third ring body can generate a turbulent flow effect on the mixed gas, so that the air and the fuel gas are mixed more uniformly, and the flow speed of the mixed gas can be reduced; through the first ring body and the second ring body that are located the lateral surface again, have a plurality of gaps between first ring body, second ring body, third ring body and the extension, these a plurality of gaps also have the vortex effect to further the co-combustion, also can the stable combustion.

Preferably, a through hole is arranged in the extension part, and the through hole penetrates through the extension part along the horizontal direction; the annular body is arranged in the through hole.

In this scheme, can also be through setting up the through-hole in the extension to wear to locate the annular body and encircle the fire lid body in this through-hole.

Preferably, the fire cover body comprises an outer edge part and a connecting part, and the connecting part extends inwards and downwards from one end of the outer edge part and is connected with a gas mixing chamber of the gas stove; the extension part is arranged around the lower surface of the outer edge part and is connected with a gas mixing chamber of the gas stove.

In this scheme, adopt above-mentioned structural style, form between fire lid body, extension and the gas mixing chamber and mix the gas space, and should mix the gas space and the gap intercommunication between extension and the ring body to the mist can outwards circulate through this gap, and is lighted and produce flame.

An outer ring fire cover is characterized in that the outer ring fire cover is applied to the outer ring fire cover assembly, the outer ring fire cover comprises a fire cover body and a plurality of extension parts, the extension parts extend downwards from the lower surface of the fire cover body, and the plurality of extension parts are arranged around the fire cover body; the extension is used for connecting the annular bodies.

Preferably, the outer side face and/or the inner side face of the extension portion is/are provided with a cutting groove, and the annular body is arranged in the cutting groove.

A gas stove is characterized by comprising the outer ring fire cover assembly or the outer ring fire cover.

In this scheme, the gas-cooker can make gas and air mix more evenly through adopting foretell outer ring fire lid subassembly or outer ring fire lid, also can reduce mist's flow velocity for the burning is more abundant, and is more stable.

Preferably, the gas stove further comprises a gas mixing chamber, and the outer ring fire cover assembly or the outer ring fire cover is connected with the upper surface of the gas mixing chamber.

The positive progress effects of the invention are as follows: the outer ring fire cover is provided with an extension part, the annular body is connected with the extension part, and a gap is formed between the annular body and the extension part and can be used as a fire hole; when the mist of gas and air passes through this gap, this gap can produce the effect of vortex to mist to make gas and air mix more evenly, also can reduce mist's velocity of flow, make the burning more abundant, more stable.

Drawings

FIG. 1 is a schematic perspective view of an outer ring fire cover assembly according to an embodiment of the present invention;

FIG. 2 is a schematic view of an embodiment of an outer ring fire cover assembly;

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

fig. 4 is a schematic perspective view of an outer ring fire cover according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of an outer ring fire cover assembly provided in accordance with an embodiment of the present invention as it fits over a plenum;

fig. 6 is a schematic perspective view of an outer ring fire cover assembly assembled above a gas mixing chamber and provided with an inner ring fire cover according to an embodiment of the present invention.

Description of the reference numerals

Outer cap assembly 1

Outer ring fire cover 100

Fire lid body 110

Outer edge part 111

Connecting part 112

Extension 120

Outer side 121

Medial side 122

Notch 123

Annular body 200

First ring body 210

Second ring body 220

Third ring body 230

Gap 300

Gas mixing chamber 2

Groove 210

Flange 220

Gas mixing space 3

Inner ring fire cover 4

Detailed Description

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

The invention provides an outer ring fire cover assembly 1, wherein the outer ring fire cover assembly 1 is applied to a gas stove, as shown in figures 1-3, the outer ring fire cover assembly 1 comprises an outer ring fire cover 100 and an annular body 200, the outer ring fire cover 100 comprises a fire cover body 110 and a plurality of extension parts 120, the extension parts 120 extend downwards from the lower surface of the fire cover body 110, and the plurality of extension parts 120 are arranged around the fire cover body 110; the ring body 200 is circumferentially disposed on the outer ring fire cover 100 and connected to the plurality of extensions 120, and the gaps 300 between the ring body 200 and the extensions 120 form fire holes. Thereby when the mist of gas and air passes through this gap 300, this gap 300 can produce the effect of vortex to the mist to make gas and air mix more evenly, also can reduce mist's velocity of flow, make the burning more abundant, more stable.

In a preferred embodiment, as shown in fig. 1 and 4, the outer side 121 and/or the inner side 122 of the extension 120 are provided with slots 123, and the annular body 200 is detachably connected to the slots 123. As shown in fig. 4, the outer side surface 121 of the extension portion 120 is a side surface facing the circumferential outer portion of the fire lid body 110, and the inner side surface 122 of the extension portion 120 is a side surface facing the inner portion of the fire lid body 110.

In specific implementation, the cutting groove 123 may be provided only on the outer side surface 121 of the extension portion 120, or may be provided only on the inner side surface 122 of the extension portion 120; more preferably, the slot 123 is provided on both the outer side 121 and the inner side 122 of the extension 120, so that the annular body 200 can be connected to both the inner side 122 and the outer side 121 of the extension 120. The space toward which the inner side surface 122 of the extension part 120 faces is filled with mixed gas, and the mixed gas can further mix under the turbulent flow effect of the inner annular body 200 in the process of flowing outwards; then, the outer annular body 200 also has a certain turbulent flow effect, and the gap 300 formed between the inner and outer extensions 120 and the extensions 120 can be used as a fire hole. After the annular body 200 is connected with the extension part 120, the mixed gas can be disturbed, and the flow rate of the mixed gas can be slowed down to a certain extent; and the gap 300 between the ring body 200 and the extension 120 can also act as a fire hole; the annular body 200 is also removable from the extension 120 for cleaning in the event of fire hole plugging or the like.

As a specific embodiment, as shown in fig. 4, the slots 123 on the same extension 120 are not all equally sized.

As another specific embodiment, the slots 123 on the same extension 120 are equal in size;

as another specific embodiment, the slots 123 on the same extension 120 are all of unequal size.

As a specific embodiment, as shown in fig. 4, the distances between the plurality of slots 123 on the same extension 120 are not exactly equal;

as another specific embodiment, the plurality of slots 123 on the same extension 120 are equally spaced;

as another specific embodiment, the plurality of slots 123 on the same extension 120 are all equally spaced.

As a specific embodiment, as shown in fig. 1 and 4, the corresponding slots 123 on different extensions 120 are on the same horizontal plane and are equal in size.

In specific implementation, the sizes of the slots 123 on the same extension portion 120 may be equal, may not be equal, or may not be completely equal; in addition, the intervals between the plurality of slots 123 on the same extension portion 120 may be equal, may not be equal, or may not be completely equal. And can be set accordingly according to specific requirements.

For example, the slots 123 of different extensions 120 in the same horizontal plane are equal in size to meet the assembly requirements of the annular body 200 with uniform size. The sizes and the intervals of the slots 123 on the same extension portion 120 are different, so that the annular bodies 200 with different sizes can be arranged in the longitudinal direction, thereby forming the gaps 300 with different heights, widths and angles in the same longitudinal direction and consistent heights, widths and angles in the same horizontal direction; can set up corresponding big or small gap 300 according to the gas mixing proportion between gas and the air, or gradient sets up gap 300 for the vortex effect is better, and the fire hole goes out the fire also comparatively even.

In a preferred embodiment, as shown in figure 3, the annular body 200 has a circular cross-section and the slot 123 has a semicircular longitudinal cross-section. Thus, a portion of the annular body 200 protrudes out of the extension portion 120, which can enhance the turbulent flow effect.

In particular embodiments, the cross-section of the annular body 200 can be a variety of shapes, such as regular squares, ovals, or other irregular shapes; the cross section of the slot 123 may be set according to the cross section of the ring body 200, so that the ring body 200 can be assembled in the slot 123 and fit with the slot wall of the slot 123.

As a preferred embodiment, as shown in fig. 3, the extension 120 may be a cylinder. In particular implementations, the extension 120 may also be other shapes, such as a polygonal prism. And, a plurality of extensions 120 are provided at regular intervals along the circumferential direction of the fire cap body 110.

As a preferred embodiment, as shown in fig. 1, the annular body 200 may be a circular ring body, which can match the circumferential shape of the cylindrical outer fire lid 100. In particular embodiments, the annular body 200 may have other shapes, such as a square ring, to accommodate different outer ring fire covers 100.

As a preferred embodiment, as shown in fig. 1 to 3, the outer fire cover assembly 1 includes a first ring member 210, a second ring member 220 and a third ring member 230, wherein the first ring member 210 and the second ring member 220 are sleeved on the outer side 121 of the extension portion 120; the third ring 230 is connected to the inner side 122 of the extension 120, and the third ring 230 is located between the first ring 210 and the second ring 220 in the vertical direction. Therefore, when the mixed gas flows out from the gas mixing chamber 2, the third ring body 230 positioned at the inner side can generate a turbulent flow effect on the mixed gas, so that the air and the fuel gas are mixed more uniformly, and the flowing speed of the mixed gas can be reduced; through the first ring body 210 and the second ring body 220 that are located lateral surface 121 again, have a plurality of gaps 300 between first ring body 210, second ring body 220, third ring body 230 and the extension 120, these a plurality of gaps 300 also have the vortex effect to further the mixed combustion, also can stably burn.

As another preferred embodiment, a through hole is formed in the extension portion 120, and the through hole penetrates through the extension portion 120 along the horizontal direction; the ring body 200 is disposed in the through hole. So that the ring body 200 can be inserted into the through hole to surround the fire cover body 110.

In an embodiment, the connection between the ring body 200 and the extension portion 120 may be implemented in various manners, such as providing a snap structure on the ring body 200 or the extension portion 120 for connection.

As a preferred embodiment, as shown in fig. 4, the fire cover body 110 includes an outer edge portion 111 and a connecting portion 112, the connecting portion 112 extends inward and downward from one end of the outer edge portion 111 and is connected to the gas mixing chamber 2 of the gas range; the extension part 120 is disposed around the lower surface of the outer rim part 111 and connected to the gas mixing chamber 2 of the gas range.

In specific implementation, as shown in fig. 5, after the connecting portion 112 extends inward and downward, it can be bent and connected to the air mixing chamber 2; in addition, the outer edge of the upper surface of the gas mixing chamber 2 may be further provided with a groove 210 such that the extension portion 120 can be inserted into the groove 210 to fit the outer cap assembly 1 with the gas mixing chamber 2. And a gas mixing space 3 is formed among the fire cover body 110, the extension part 120 and the gas mixing chamber 2, and the gas mixing space 3 is communicated with a gap 300 between the extension part 120 and the ring body 200, so that the mixed gas can flow outwards through the gap 300 and be ignited to generate flame.

The present invention further provides an outer ring fire cover 100, as shown in fig. 4, the outer ring fire cover 100 is applied to the outer ring fire cover assembly 1, the outer ring fire cover 100 includes a fire cover body 110 and a plurality of extending portions 120, the extending portions 120 extend downward from a lower surface of the fire cover body 110, and the plurality of extending portions 120 are disposed around the fire cover body 110; the extension 120 is used to connect the ring body 200.

Specifically, the outer side 121 and/or the inner side 122 of the extension 120 are provided with a slot 123, and the annular body 200 is disposed in the slot 123.

The invention also provides a gas stove, which comprises the outer ring fire cover assembly 1 or comprises the outer ring fire cover 100. Thereby can make gas and air mix more evenly, also can reduce mist's velocity of flow for the burning is more abundant, and is more stable.

As a preferred embodiment, as shown in fig. 5 and 6, the gas range further includes a gas mixing chamber 2, and an outer fire cover assembly 1 or an outer fire cover 100 is connected to an upper surface of the gas mixing chamber 2. The outer edge of the upper surface of the air mixing chamber 2 is provided with a groove 210, and the groove 210 is used for connecting with the bottom end of the extension part 120; the inner edge of the upper surface of the gas mixing chamber 2 is provided with a flange 220, and the flange 220 is used for being connected with the connecting part 112 of the outer ring fire cover 100; and, through this connection, a wedge-shaped gas mixing space 3 is formed between the outer ring fire cover 100 and the gas mixing chamber 2, and the gas mixing space 3 is communicated with the fire hole of the gap 300 formed by the extension part 120 and the ring body 200.

In specific implementation, as shown in fig. 6, the inner fire cover 4 is further installed inside the gas mixing chamber 2, so that when the gas stove is used, the fire holes 300 of the outer fire cover 100 and the fire holes on the inner fire cover 4 can both fire, and the combustion is uniform.

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 assembly is applied to a gas stove and is characterized by comprising an outer ring fire cover and an annular body, wherein the outer ring fire cover comprises a fire cover body and a plurality of extension parts, the extension parts extend downwards from the lower surface of the fire cover body, and the extension parts are arranged around the fire cover body;

2. The outer cap assembly of claim 1, wherein the outer side and/or the inner side of the extension is provided with a slot, and the ring body is removably attached within the slot.

3. The outer cap assembly of claim 2,

the sizes of the cutting grooves on the same extension part are not completely equal;

or the cutting grooves on the same extension part are equal in size;

or, the sizes of the slots on the same extension part are different.

4. The outer cap assembly of claim 2, wherein said ring body is circular in cross-section and said slot is semi-circular in longitudinal cross-section.

5. The cap assembly of any one of claims 1-4, wherein the cap assembly includes a first ring member, a second ring member, and a third ring member, the first ring member and the second ring member being disposed around an outer side of the extension; the third ring body is connected to the inner side face of the extending portion, and in the vertical direction, the third ring body is located between the first ring body and the second ring body.

6. The outer cap assembly of claim 1, wherein a through hole is provided in said extension, said through hole extending horizontally through said extension; the annular body is arranged in the through hole.

7. The cap assembly as set forth in claim 1, wherein the cap body includes an outer peripheral portion and a connecting portion extending inwardly and downwardly from one end of the outer peripheral portion and connected to a gas mixing chamber of the gas range; the extension part is arranged around the lower surface of the outer edge part and is connected with a gas mixing chamber of the gas stove.

8. An outer ring fire cover, which is applied to the outer ring fire cover assembly as recited in any one of claims 1 to 7, the outer ring fire cover comprising a fire cover body and a plurality of extension portions extending downward from a lower surface of the fire cover body, the plurality of extension portions being provided around the fire cover body; the extension is used for connecting the annular bodies.

9. The outer ring fire cover of claim 8 wherein the outer side and/or inner side of the extension is provided with a slot, the ring body being disposed within the slot.

10. A gas burner comprising an outer ring flame cover assembly according to any one of claims 1 to 7, or comprising an outer ring flame cover according to any one of claims 8 or 9.

11. The gas range of claim 10, further comprising a gas mixing chamber, wherein the outer fire cap assembly or the outer fire cap is connected to an upper surface of the gas mixing chamber.