CN210035486U - Furnace end and combustor for gas stove - Google Patents

Abstract

The utility model discloses a furnace end for gas-cooker, include: the burner comprises a burner body, an outer ring gas cavity, an inner ring gas cavity and an inner ring secondary air cavity, wherein the outer ring gas cavity and the inner ring gas cavity are arranged on the burner body, the inner ring secondary air cavity is arranged between the outer ring gas cavity and the inner ring gas cavity, the inner ring gas cavity and the outer ring gas cavity are communicated through a gas channel penetrating through the inner ring secondary air cavity, and an inner ring secondary air channel is arranged at the bottom of the inner ring secondary air cavity; the gas burner is characterized in that a central secondary air channel is arranged in the middle of the inner ring gas cavity, the bottom of the central secondary air channel is of a closed structure, and the side part of the central secondary air channel is communicated with the inner ring secondary air channel through an air channel. The utility model discloses not only can realize the central secondary air supply of interior fire lid, can avoid the foul to fall into the furnace end of drain pan from this secondary air through hole moreover, reduce user's use risk, increase cleanability. The utility model also provides a combustor.

Description

Furnace end and combustor for gas stove

Technical Field

The utility model relates to a gas-cooker spare part technical field especially relates to a furnace end and combustor for gas-cooker.

Background

At present, mostly be gas channel in the middle of the common furnace end on the market, the fire hole is not established to inner ring fire lid upper surface, this is because the fire hole secondary air of inner ring fire lid upper end is difficult to supply. In the industry, it is also proposed to provide a secondary air through hole in the middle of the burner, but the secondary air through hole is directly communicated with the bottom shell, and secondary air required by the inner fire cover is supplied upwards from the bottom shell, so that soup is easy to flow into the bottom shell, dirt is accumulated, small insects are easy to stay, the cooker is blocked like a nozzle, the secondary air is easy to get off for a long time, a customer is easy to catch fire, excessive gas is accumulated in the cooker, danger is caused, and the after-sale maintenance rate is high.

In addition, among the prior art, after setting up the secondary air through-hole in the furnace end middle part, when leading to interior fire lid flame burning, most central department does not have flame, and the firepower is inhomogeneous, and the pot is high all around, but central temperature is not high, and user experience is very not good. Most importantly, the internal fire cover fire cannot start to burn from the center, the time for heat to stay at the bottom of the pot is relatively short, and finally the thermal efficiency cannot reach the highest state.

Disclosure of Invention

To the defect that exists among the prior art, the utility model aims to provide a set up secondary air through hole and avoid the furnace end that stolen goods fall into the drain pan from this secondary air through hole in the middle of the furnace end.

The utility model also provides a burner with secondary air through holes in the middle of the pot bottom with even firepower and long heat staying time.

In order to achieve the above purpose, the utility model adopts the following technical scheme.

A burner for a gas cooker, comprising: the burner comprises a burner body, an outer ring gas cavity, an inner ring gas cavity and an inner ring secondary air cavity, wherein the outer ring gas cavity and the inner ring gas cavity are arranged on the burner body, the inner ring secondary air cavity is arranged between the outer ring gas cavity and the inner ring gas cavity, the inner ring gas cavity and the outer ring gas cavity are communicated through a gas channel penetrating through the inner ring secondary air cavity, and an inner ring secondary air channel is arranged at the bottom of the inner ring secondary air cavity; the gas burner is characterized in that a central secondary air channel is arranged in the middle of the inner ring gas cavity, the bottom of the central secondary air channel is of a closed structure, and the side part of the central secondary air channel is communicated with the inner ring secondary air channel through an air channel.

As a further explanation of the above scheme, the outer ring gas chamber and the inner ring gas chamber are respectively surrounded by two independent circular rings.

As a further explanation of the above scheme, the number of the gas passages is at least two, and at least one inner ring secondary air passage is arranged between two adjacent gas passages.

As a further explanation of the above scheme, the air passages correspond to the inner ring secondary air passages one to one.

As a further explanation of the above scheme, the inner ring secondary air passage is a through hole penetrating the bottom of the burner body.

A burner, comprising: the burner is characterized in that the burner is in a circular ring shape, and fire holes are respectively formed in the top and the side of the inner fire cover.

As a further explanation of the above scheme, the top of the inner fire cover is an inclined plane with a lower inner side and a higher outer side, and the fire hole formed in the top of the inner fire cover is a first slit fire hole which cuts a slit along the radial direction.

As a further explanation of the above scheme, the outer fire cover is of a V-shaped structure with a high middle and two low sides, two top slopes of the outer fire cover are respectively provided with a second slot fire hole and a third slot fire hole, an inner end of the second slot fire hole penetrates through an inner wall of the outer fire cover, and an outer end of the third slot fire hole penetrates through an outer wall of the outer fire cover.

As a further explanation of the scheme, a thermocouple and an ignition needle are arranged in the inner ring secondary air cavity.

The utility model has the advantages that:

the utility model provides a through setting up bottom confined central secondary air passageway to with central secondary air passageway and inner ring secondary air passageway intercommunication, not only can realize the central secondary air supply of interior fire lid, set up the fire hole and lay the basis including fire lid top, can avoid the furnace end that stolen goods fall into the drain pan from this secondary air through hole moreover, reduce user's use risk, increase cleanability.

Secondly, through including fire lid top set up the fire hole, can ensure when interior fire lid flame burns, the most central department has flame, ensures the even of firepower, effectively promotes the thermal efficiency

Thirdly, the inner fire cover is arranged to be inclined with the inner side lower and the outer side higher, the outer fire cover is arranged to be V-shaped with the two sides lower and the middle higher, secondary air supply is facilitated, the heat staying time at the bottom of the pot is effectively prolonged by utilizing the concentration of central flame, and the heat efficiency is improved.

Drawings

Fig. 1 is a schematic view of a furnace end structure provided by the present invention.

Fig. 2 shows a side view of fig. 1.

Fig. 3 shows a bottom view of fig. 1.

Fig. 4 is a schematic structural diagram of a burner according to the present invention, in which arrows represent secondary air flow paths.

Description of reference numerals:

1: furnace end body, 2: first ring, 3: second ring, 4: third ring, 5: fourth ring, 6: outer ring gas chamber, 7: inner ring secondary air chamber, 8: central secondary air passage, 9: gas channel, 10: inner ring secondary air passage, 11: air passage, 12: inner fire cover, 13: outer fire cover, 14: first slot fire hole, 15: second-grooving fire hole, 16: third-grooving fire hole, 17: thermocouple, 18: an ignition needle.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "at least" means one or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.

The following description will be further made in conjunction with the accompanying drawings of the specification, so that the technical solution and the advantages of the present invention are clearer and clearer. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.

As shown in fig. 1 to 3, a burner for a gas range, includes: the furnace end body 1 is provided with four concentric rings from outside to inside in sequence on the furnace end body 1.

Wherein, constitute outer ring gas chamber 6 between first ring 2 and the second ring 3, constitute inner ring gas chamber between third ring 4 and the fourth ring 5, second ring 3 with constitute inner ring secondary air chamber 7 between the third ring 4, constitute central secondary air passageway 8 in the fourth ring 5.

The outer ring gas cavity 6 is communicated with the inner ring gas cavity through a gas channel 9 penetrating through the inner ring secondary air cavity 7, so that gas supply of the outer ring gas cavity 6 is realized. An inner ring secondary air channel 10 is arranged at the bottom of the inner ring secondary air cavity 7 so as to supplement secondary air for the inner ring secondary air cavity 7. In this embodiment, the inner ring secondary air channel 10 is preferably a through hole penetrating through the bottom of the burner body 1.

The bottom of the central secondary air channel 8 is of a closed structure, the side part of the central secondary air channel 8 is communicated with the inner ring secondary air channel 10 through an air channel 11, and secondary air is supplemented by the inner ring secondary air channel 10.

In this embodiment, preferably, four gas passages 9 are provided, and one inner ring secondary air passage 10 is provided between two adjacent gas passages 9; preferably, the air passages 11 correspond to the inner ring secondary air passages 10 one to one. In other embodiments, there are at least two of the gas passages, and at least one of the inner ring secondary air passages is provided between two adjacent gas passages; the present embodiment is not limited.

In practical application, as shown in fig. 4, the burner is provided with the corresponding inner flame cover 12 and the outer flame cover 13, and the inner ring secondary air cavity 7 is internally provided with the thermocouple 17 and the ignition needle 18 to form a burner.

The inner fire cover 12 is circular, and fire holes are respectively formed in the top and the side of the inner fire cover 12. In this embodiment, the top of the inner fire cover 12 is preferably an inclined surface with a lower inner side and a higher outer side, and the fire hole formed in the top of the inner fire cover 12 is preferably a first slit fire hole 14 slit in a radial direction. Therefore, when the inner fire cover 12 is used for flame combustion, the most central part is provided with flame, so that the uniformity of fire power is ensured, and the heat efficiency is effectively improved.

Further preferably, the outer fire cover 13 is of a V-shaped structure with a high middle and two low sides, two top slopes of the outer fire cover are respectively provided with a second slot fire hole 15 and a third slot fire hole 16, an inner end of the second slot fire hole 15 penetrates through an inner wall of the outer fire cover 13, and an outer end of the third slot fire hole 16 penetrates through an outer wall of the outer fire cover 13, so as to facilitate the supply of secondary air.

It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.

Claims (9)

1. A burner for a gas cooker, comprising: the burner comprises a burner body, an outer ring gas cavity, an inner ring gas cavity and an inner ring secondary air cavity, wherein the outer ring gas cavity and the inner ring gas cavity are arranged on the burner body, the inner ring secondary air cavity is arranged between the outer ring gas cavity and the inner ring gas cavity, the inner ring gas cavity and the outer ring gas cavity are communicated through a gas channel penetrating through the inner ring secondary air cavity, and an inner ring secondary air channel is arranged at the bottom of the inner ring secondary air cavity; the gas burner is characterized in that a central secondary air channel is arranged in the middle of the inner ring gas cavity, the bottom of the central secondary air channel is of a closed structure, and the side part of the central secondary air channel is communicated with the inner ring secondary air channel through an air channel.

2. The burner for a gas range according to claim 1, wherein the outer ring gas chamber and the inner ring gas chamber are each surrounded by two separate rings.

3. The burner for a gas cooker according to claim 1 or 2, wherein said gas channels are at least two, and at least one of said inner secondary air channels is provided between two adjacent gas channels.

4. The burner of claim 3, wherein the air passages are in one-to-one correspondence with the inner annular secondary air passages.

5. The burner of claim 1, wherein the inner secondary air channel is a through hole extending through a bottom of the burner body.

6. A burner, comprising: the burner comprises a burner body, an inner fire cover and an outer fire cover, wherein the inner fire cover and the outer fire cover are arranged on the burner body, the burner body is in a circular ring shape, and fire holes are formed in the top and the side of the inner fire cover respectively.

7. The burner as claimed in claim 6, wherein the top of the inner cap is an inclined surface having a lower inner side and a higher outer side, and the fire hole formed at the top of the inner cap is a first slit fire hole which is slit in a radial direction.

8. The burner as claimed in claim 6, wherein the outer fire cover is a V-shaped structure with a high middle part and two low sides, and a second slot fire hole and a third slot fire hole are respectively formed on two inclined top surfaces of the outer fire cover, an inner end of the second slot fire hole penetrates through an inner wall of the outer fire cover, and an outer end of the third slot fire hole penetrates through an outer wall of the outer fire cover.

9. The burner of claim 6 wherein a thermocouple and an ignition pin are disposed within said inner annular secondary air chamber.

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