CN220506777U

CN220506777U - Gas kitchen range

Info

Publication number: CN220506777U
Application number: CN202322084176.7U
Authority: CN
Inventors: 王楠楠; 徐强
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2024-02-20
Anticipated expiration: 2033-08-03

Abstract

A gas cooker comprising: the burner (1) is provided with a mixing cavity (10) defined by an outer annular wall (11), and the outer annular wall (11) is circumferentially provided with a fire outlet (110) for communicating the mixing cavity (10) with the outside; an energy collecting ring (2) which is provided with an upward extending inner ring wall (21), wherein the inner ring wall (21) is circumferentially arranged at the periphery of an outer ring wall (11) of the combustor (1) and an annular cavity (200) is formed between the inner ring wall and the outer ring wall (11); an air outlet (210) is formed in the inner ring wall (21) along the circumferential direction so that air at the periphery of the inner ring wall (21) is input into the annular cavity (200) through the air outlet (210); the air outlet (210) of the energy collecting ring (2) is positioned below the fire outlet (110) of the burner (1). Compared with the prior art, the utility model can provide secondary air and avoid influencing flame stability.

Description

Gas kitchen range

Technical Field

The utility model belongs to the technical field of household kitchen ware, and particularly relates to a gas cooker.

Background

The structure of the existing gas cooker is disclosed in China patent application No. 202221517322.X (issued to the public No. CN 217928880U), and the structure comprises a combustion part, an energy-collecting ring and a blast part, wherein the energy-collecting ring is arranged around the combustion part, the energy-collecting ring is provided with an air inlet, an air outlet and an air guide channel, and the air guide channel is respectively communicated with the air inlet and the air outlet; the air blowing part is arranged on one side of the energy gathering ring, the air blowing part can drive air to sequentially pass through the air inlet, the air inducing channel and the air outlet, so that the air flows to the combustion part, the air blowing part can accelerate the air positioned on one side of the air inlet of the energy gathering ring to be introduced into the air inducing channel, and the air required by secondary mixing is directionally conveyed to the combustion part through the air inducing channel, so that the secondary full mixing of fuel gas and enough air is ensured, at least part of air can be contacted with the energy gathering ring to realize heat exchange, and at least part of air required by secondary mixing can be effectively preheated.

The technical problems of the scheme are as follows: 1. when the air flow blows from the air outlet to the burner, the stability of flame on the burner is affected; 2. the secondary air supply is to be further improved to improve combustion efficiency.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a gas cooker aiming at the current state of the art so as to provide secondary air and avoid influencing flame stability.

The technical scheme adopted for solving the technical problems is as follows: a gas cooker comprising:

the burner is provided with a mixing cavity defined by an outer annular wall, and a fire outlet hole for communicating the mixing cavity with the outside is formed in the outer annular wall along the circumferential direction;

the energy collecting ring is provided with an upward extending inner ring wall, and the inner ring wall is circumferentially positioned at the periphery of the outer ring wall of the combustor and forms an annular cavity with the outer ring wall; an air outlet is formed in the inner ring wall along the circumferential direction so that air at the periphery of the inner ring wall can be input into the annular cavity through the air outlet;

the method is characterized in that:

the air outlet of the energy collecting ring is positioned below the fire outlet of the burner.

In the utility model, the air outlet is positioned below the fire hole, so that the air output from the air outlet can be fed in from the root of the fire hole, the full feeding of secondary air is realized, and the influence on flame stability caused by the fact that the air output from the air outlet directly blows out of the flame at the fire hole can be avoided.

Preferably, the energy collecting ring is further provided with an outer ring wall positioned at the periphery of the inner ring wall and a top wall connecting the inner ring wall and the outer ring wall, and an annular cavity is formed among the top wall, the inner ring wall and the outer ring wall for the outside air to enter. In the cooking process, the energy-collecting ring is in a high-temperature state as a whole, air entering the annular cavity of the energy-collecting ring is heated to rise in temperature, and then secondary air is output from the air outlet to supplement, so that the combustion efficiency is improved.

The burner generates negative pressure during combustion, and external air can be sucked into the annular cavity under the action of the negative pressure, and preferably, the burner also comprises a blowing device for providing a blowing air source, and the air outlet end of the blowing device is communicated with the annular cavity.

Preferably, the air outlet of the energy collecting ring is arranged downwards.

Further, the inner ring wall of the energy collecting ring has:

an upper collar wall extending downwardly from an inner edge of the top wall;

the lower ring wall is positioned on the outer side of the upper ring wall and extends downwards, and the upper edge of the lower ring wall is opposite to the lower edge of the upper ring wall at intervals from outside to inside to form the air outlet.

Further, the energy-collecting ring is formed by butt joint of a top cover and a base, the top cover is provided with the top wall and the upper ring wall, the base is provided with the outer ring wall and the lower ring wall, the outer ring wall and the lower ring wall are connected through a bottom wall, and an air inlet penetrating through the wall thickness of the bottom wall is formed in the bottom wall so that external air can enter the annular cavity through the air inlet.

Further, at least two of the air inlets are circumferentially spaced apart.

Furthermore, at least three upwards extending support legs are arranged in the base at intervals along the circumferential direction, and insertion holes penetrating through the wall thickness are formed in the top wall of the top cover at positions corresponding to the support legs, so that the upper parts of the corresponding support legs can penetrate through. Thus, the air entering the energy collecting ring can exchange heat with the support legs, and the temperature of the support legs is reduced.

Preferably, at least three air inlets are provided and are respectively arranged corresponding to the respective support legs.

Preferably, the air blowing device comprises an air blowing ring with an annular air blowing cavity, the air blowing ring is arranged below the energy collecting ring, and the top end of the air blowing ring is provided with air blowing outlets corresponding to the positions of the air inlets.

In the above aspects, preferably, the burner has:

the base is internally provided with an outer ring gas mixing chamber with an upward opening;

the outer ring fire cover is arranged on the outer ring gas mixing chamber of the base and is provided with the outer ring wall extending upwards, the upper wall extending inwards from the upper edge of the outer ring wall and the inner ring wall extending downwards from the inner side edge of the upper wall, and the inner ring wall, the outer ring wall and the upper wall jointly define the gas mixing chamber.

Compared with the prior art, the utility model has the advantages that: the air outlet is arranged below the fire outlet, so that air output from the air outlet can be fed in from the root of the fire outlet, full supply of secondary air is realized, and flame at the fire outlet can be prevented from being directly blown out from the air outlet to influence flame stability.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a cross-sectional view (with a vertical plane in section) of an embodiment of the utility model;

fig. 3 is an enlarged view of a portion a in fig. 2;

FIG. 4 is an exploded perspective view of a partial structure of an embodiment of the present utility model;

figure 5 is a cross-sectional view (with the cross-section being horizontal) of an embodiment of the utility model.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 5, a preferred embodiment of a gas cooker according to the utility model comprises a burner 1, a collector ring 2, a blower 3 and a support 4.

The burner 1 is provided with a base 1a and an outer ring fire cover 1b, wherein an outer ring gas mixing chamber with an upward opening is arranged in the base 1 a. An outer ring fire cover 1b is arranged on the outer ring gas mixing chamber of the base 1a, and is provided with an outer ring wall 11 extending upwards, an upper wall 12 extending inwards from the upper edge of the outer ring wall 11, and an inner ring wall 13 extending downwards from the inner side edge of the upper wall 12, wherein the inner ring wall 13, the outer ring wall 11 and the upper wall 12 jointly define the gas mixing chamber 10. And the outer annular wall 11 is provided with fire outlet holes 110 which are circumferentially spaced and communicated with the mixed air cavity 10 and the outside.

The energy collecting ring 2 is provided with an upward extending inner ring wall 21, an outer ring wall 22 arranged on the periphery of the inner ring wall 21 and a top wall 23 connecting the inner ring wall 21 and the outer ring wall 22, wherein an annular cavity 20 is formed among the top wall 23, the inner ring wall 21 and the outer ring wall 22 for inputting outside air. And the inner ring wall 21 is located circumferentially on the outer periphery of the outer ring wall 11 of the combustor 1 and forms an annular cavity 200 with the outer ring wall 11. The inner ring wall 21 is provided with an air outlet 210 along the circumferential direction, and the air outlet 210 is downward and is positioned below the fire hole 110 of the burner 1, so that air in the annular cavity 20 of the inner ring wall 21 is input into the annular cavity 200 through the air outlet 210.

In this embodiment, the inner wall 21 of the energy collecting ring 2 has an upper wall 211 and a lower wall 212, the upper wall 211 extends downward from the inner edge of the top wall 23, the lower wall 212 is located outside the upper wall 211 and extends downward, and the upper edge of the lower wall 212 is opposite to the lower edge of the upper wall 211 in a spaced manner from each other to form the air outlet 210. The energy collecting ring 2 is formed by abutting a top cover 2a and a base 2b one by one, and the top cover 2a is provided with the top wall 23 and the upper ring wall 211; the base 2b has the outer ring wall 22 and the lower ring wall 212, the outer ring wall 22 is connected with the lower ring wall 212 through the bottom wall 24, and air inlets 240 penetrating through the wall thickness of the base are axially arranged on the bottom wall 24 at intervals, so that external air can enter the annular cavity 20 through the air inlets 240.

The air outlet end of the air-blowing device 3 communicates with the annular cavity 20 to provide a source of air-blowing air. Specifically, the air blowing device 3 includes an air blowing ring 31 with an annular air blowing cavity, the air blowing ring 31 is arranged below the energy collecting ring 2, and air blowing outlets 310 are arranged at positions of the top end of the air blowing ring 31 corresponding to the air inlets 240.

The number of the four supporting legs 4 is the same as that of the air inlets 240, and each supporting leg 4 is vertically arranged in the base 2b and corresponds to the position of the corresponding air inlet 240. The top wall 23 of the top cover 2a is provided with insertion holes 230 penetrating the wall thickness at positions corresponding to the respective legs 4 for allowing the upper portions of the corresponding legs 4 to pass through.

When in use, the air blowing device 3 works, the air blowing source is input into the annular cavity 20 of the energy collecting ring 2 and then is output into the annular cavity 200 through the air outlet 210 to supplement secondary air, and the air outlet 210 is positioned below the fire hole of the burner, so that the air blowing can be prevented from directly blowing out of the fire hole.

In the description and claims of the present utility model, terms indicating directions, such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", etc., are used to describe various example structural parts and elements of the present utility model, but these terms are used herein for convenience of description only and are determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the utility model may be arranged in a variety of orientations, the directional terminology is used for purposes of illustration and is in no way limiting, such as "upper" and "lower" are not necessarily limited to being in a direction opposite or coincident with the direction of gravity.

The term "vertical" is also used in the present description and claims to mean substantially in the vertical direction, not limited to only the vertical direction, but also slightly inclined with respect to the vertical direction.

Claims

1. A gas cooker comprising:

the burner (1) is provided with a mixing cavity (10) defined by an outer annular wall (11), and the outer annular wall (11) is circumferentially provided with a fire outlet (110) for communicating the mixing cavity (10) with the outside;

an energy collecting ring (2) which is provided with an upward extending inner ring wall (21), wherein the inner ring wall (21) is circumferentially arranged at the periphery of an outer ring wall (11) of the combustor (1) and an annular cavity (200) is formed between the inner ring wall and the outer ring wall (11); an air outlet (210) is formed in the inner ring wall (21) along the circumferential direction so that air at the periphery of the inner ring wall (21) is input into the annular cavity (200) through the air outlet (210);

the method is characterized in that:

the air outlet (210) of the energy collecting ring (2) is positioned below the fire outlet (110) of the burner (1).

2. The gas cooker as claimed in claim 1, wherein: the energy collecting ring (2) is further provided with an outer ring wall (22) positioned at the periphery of the inner ring wall (21) and a top wall (23) connecting the inner ring wall (21) and the outer ring wall (22), and an annular cavity (20) is formed among the top wall (23), the inner ring wall (21) and the outer ring wall (22) for the entry of external air.

3. The gas cooker as claimed in claim 2, wherein: the device also comprises a blowing device (3) for providing a blowing air source, and the air outlet end of the blowing device is communicated with the annular cavity (20).

4. The gas cooker as claimed in claim 3, wherein: the air outlet (210) of the energy collecting ring (2) is arranged downwards.

5. The gas cooker as claimed in claim 4, wherein: the inner ring wall (21) of the energy collecting ring (2) has:

an upper collar wall (211) extending downwardly from the inner edge of the top wall (23);

and a lower ring wall (212) positioned outside the upper ring wall (211) and extending downwards, wherein the upper edge of the lower ring wall (212) is opposite to the lower edge of the upper ring wall (211) at an interval from outside to inside to form the air outlet (210).

6. The gas cooker as claimed in claim 5, wherein: the energy-gathering ring (2) is formed by abutting up and down a top cover (2 a) and a base (2 b), the top cover (2 a) is provided with the top wall (23) and the upper ring wall (211), the base (2 b) is provided with the outer ring wall (22) and the lower ring wall (212), the outer ring wall (22) and the lower ring wall (212) are connected through a bottom wall (24), and an air inlet (240) penetrating through the wall thickness of the bottom wall (24) is formed in the bottom wall (24) so that external air can enter the annular cavity (20) through the air inlet (240).

7. The gas cooker as claimed in claim 6, wherein: at least two of the air inlets (240) are circumferentially spaced apart.

8. The gas cooker as claimed in claim 7, wherein: at least three upwards extending support legs (4) are arranged in the base (2 b) at intervals along the circumferential direction, and insertion holes (230) penetrating through the wall thickness are formed in positions, corresponding to the support legs (4), on the top wall (23) of the top cover (2 a) so that the upper parts of the corresponding support legs (4) can penetrate through.

9. The gas cooker as claimed in claim 8, wherein: at least three air inlets (240) are arranged corresponding to the respective support legs (4).

10. The gas cooker as claimed in claim 7, wherein: the air blowing device (3) comprises an air blowing ring (31) with an annular air blowing cavity, the air blowing ring (31) is arranged below the energy collecting ring (2), and air blowing outlets (310) are arranged at the top ends of the air blowing ring (31) and correspond to the positions of the air inlets (240).

11. The gas cooker according to any one of claims 1 to 10, characterized in that: the burner (1) has:

a base (1 a) with an outer ring gas mixing chamber with an upward opening inside;

an outer ring fire cover (1 b) is arranged on the outer ring gas mixing chamber of the base (1 a) in a covering manner, and is provided with the outer ring wall (11) extending upwards, an upper wall (12) extending inwards from the upper edge of the outer ring wall (11) and an inner ring wall (13) extending downwards from the inner side edge of the upper wall (12), wherein the inner ring wall (13), the outer ring wall (11) and the upper wall (12) jointly define the gas mixing chamber (10).