CN216010835U - Burner and gas cooker - Google Patents

Abstract

The utility model relates to a combustor, include: stove headstock, fire lid subassembly, and central seat. The furnace head seat is provided with an outer ring air inlet and an outer ring nozzle. The fire lid assembly includes: fire lid seat, outer loop fire lid, and central fire lid. The fire cover seat is provided with a central air passage and an outer annular air passage. The central air flue penetrates through the furnace head base downwards. The outer ring air flue ring is positioned on the outer peripheral side of the central air flue and is in butt joint with the outer ring nozzle. The central seat is positioned below the furnace head seat. The center seat is provided with a center interface, a center nozzle positioned in the center interface and a center air inlet communicated with the center nozzle. The central interface is in butt joint with the central air passage, and a first central oxygen supplementing gap for external air to enter is arranged between the central interface and the central air passage. The center nozzle is butted with the center air channel. According to the burner, the central seat is additionally arranged below the burner head seat to install the central nozzle, the injection distance of the central nozzle is lengthened, the injection capacity is enhanced, more air is supplemented, and the purposes of improving the combustion heat load and the heat efficiency are achieved.

Description

Burner and gas cooker

Technical Field

The utility model relates to a gas cooking utensils technical field especially relates to a combustor to and a gas cooking utensils including this combustor.

Background

A gas cooker is a cooking tool that releases heat by burning gas through a burner. Generally, the burner is provided with a central nozzle and an outer ring nozzle for jetting gas at a high speed, and the gas jetted from the central nozzle in the vertical direction is mixed with air and then jetted from a central fire cover to form a central flame of the burner after being ignited. And the gas transversely sprayed out of the outer ring nozzle is mixed with air and then sprayed out of the outer ring fire cover, and the outer ring flame of the burner is formed after the gas is ignited.

In a conventional gas cooker, a center nozzle and an outer ring nozzle of a burner are installed at a bearing surface of a head base. Because the central nozzle is vertical injection gas to the vertical distance of the loading face of central fire lid and furnace base is very short, so the vertical distance of central nozzle and central fire lid is very short, leads to the central nozzle draw to penetrate the distance very short, draws the ability not enough, and the air supply is not enough, causes the burning heat load not enough, and thermal efficiency is not high.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model provides a burner adds the center seat in order to install central nozzle in the below of furnace base, and the distance of drawing of central nozzle is lengthened, and the reinforcing draws the ability of penetrating, replenishes more air, reaches the purpose that promotes burning heat load and thermal efficiency.

A burner, comprising:

a burner base; the furnace head seat is provided with an outer ring air inlet and an outer ring nozzle communicated with the outer ring air inlet;

the fire cover component is connected with the furnace head seat; the fire lid assembly includes: the fire cover comprises a fire cover seat arranged on a stove head seat, an outer ring fire cover connected with the fire cover seat and a central fire cover connected with the fire cover seat; the fire cover seat is provided with a central air passage and an outer ring air passage; the central air flue downwards penetrates through the furnace head seat and extends to the lower part of the furnace head seat; the outer ring air flue ring is positioned on the outer peripheral side of the central air flue and is in butt joint with the outer ring nozzle; and

a center seat connected with the furnace head seat; the central seat is positioned below the furnace head seat; the central seat is provided with a central interface, a central nozzle positioned in the central interface and a central air inlet communicated with the central nozzle; the central interface is in butt joint with the central air passage, and a first central oxygen supplementing gap for external air to enter is formed between the central interface and the central air passage; the center nozzle is butted with the center air channel.

When the burner works, gas enters the central nozzle from the central air inlet of the central base, and the central nozzle sprays the gas upwards to the central air passage of the fire cover base. And when the central nozzle sprays fuel gas, external air is sucked into the central air passage from the first central oxygen supplementing gap under the injection action. Because the central nozzle is arranged on the central seat below the furnace head seat, the injection distance of the central nozzle is lengthened, so that the injection capacity is enhanced, the adsorption capacity to air is stronger, air supplement is facilitated, and the combustion heat load and the heat efficiency are improved. Through the design, the central seat is additionally arranged below the furnace head seat to install the central nozzle, the injection distance of the central nozzle is lengthened, the injection capacity is enhanced, more air is supplemented, and the purposes of improving the combustion heat load and the heat efficiency are achieved.

In one embodiment, the central interface is sleeved with the central air passage, and the first central oxygen supplement gap is positioned between the inner wall of the central interface and the outer wall of the central air passage. The central interface cup joints central air flue, can enclose the butt joint department of central nozzle and central air flue and establish, can play the guard action to central nozzle and central air flue.

In one embodiment, the number of the outer ring nozzles is multiple and evenly distributed at intervals; the furnace head seat is provided with a plurality of shunting air passages; the outer ring air inlet is communicated with each outer ring nozzle through a flow dividing air passage. The outer ring nozzles distributed at a plurality of uniform intervals can enable the gas of the outer ring air passage to be distributed more uniformly, and the combustion stability is improved.

In one embodiment, a second central oxygen supplementing gap for external air to enter is arranged between the bottom of the fire cover seat and the bearing surface of the furnace head seat; the fire cover seat is provided with a hollow part positioned on the outer peripheral side of the central fire cover; the hollow part is communicated with the second central oxygen supplementing gap. The outside air can flow to the periphery side of center fire lid through second center oxygenating clearance and fretwork portion in proper order, provides secondary air for the gas of center fire lid spun and supplys.

In one embodiment, the outer ring air inlet and the central air inlet are both transversely arranged and are positioned on the same side of the furnace head base, so that the gas pipeline can be conveniently butted, and the installation difficulty is reduced.

In one embodiment, the distance between the outlet of the central nozzle and the outlet of the central air duct is not less than 40mm, so that sufficient injection distance is provided for the central nozzle.

In one embodiment, the burner base is provided with a plurality of supporting feet. The supporting legs can support the furnace head seat and enable the bottom of the central seat to be suspended.

Simultaneously, the utility model also provides a gas cooking utensils.

A gas cooker comprising a burner according to any one of the embodiments above.

The gas cooker is provided with an improved burner. During operation, gas enters the central nozzle from the central gas inlet of the central base, and the central nozzle sprays the gas upwards into the central gas channel of the fire cover base. And when the central nozzle sprays fuel gas, external air is sucked into the central air passage from the first central oxygen supplementing gap under the injection action. Because the central nozzle is arranged on the central seat below the furnace head seat, the injection distance of the central nozzle is lengthened, so that the injection capacity is enhanced, the adsorption capacity to air is stronger, air supplement is facilitated, and the combustion load and the thermal efficiency are improved. Through the design, the central seat is additionally arranged below the furnace head seat to install the central nozzle, the injection distance of the central nozzle is lengthened, the injection capacity is enhanced, more air is supplemented, and the purposes of improving the combustion heat load and the heat efficiency are achieved.

Drawings

Fig. 1 is a perspective view of a burner according to an embodiment of the present invention;

FIG. 2 is a side view of the burner shown in FIG. 1;

FIG. 3 is an exploded view of the burner shown in FIG. 1;

FIG. 4 is a top view of the burner shown in FIG. 1;

FIG. 5 is a sectional view taken along A-A of the burner of FIG. 4;

FIG. 6 is a sectional view taken along line B-B of the burner shown in FIG. 4;

FIG. 7 is a schematic view of the burner shown in FIG. 1 with the center cap and outer ring cap concealed;

FIG. 8 is a schematic view of another perspective of the burner shown in FIG. 7;

fig. 9 is a schematic view of yet another perspective of the burner shown in fig. 7.

The meaning of the reference symbols in the drawings is:

100-a burner;

10-a furnace head seat, 11-an outer ring air inlet, 12-an outer ring nozzle, 13-an ignition needle, 14-a thermocouple, 15-a shunt air flue and 16-a supporting leg;

20-fire cover assembly, 21-fire cover seat, 211-central air passage, 212-outer ring air passage, 213-second central oxygen supplement gap, 214-hollow-out part, 22-outer ring fire cover and 23-central fire cover;

30-center seat, 31-center interface, 32-center nozzle, 33-center air inlet and 34-first center oxygen supplement gap.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

As shown in fig. 1 to 9, a burner 100 according to an embodiment of the present invention is provided.

As shown in fig. 1 and 2, the burner 100 includes: a burner block 10, a fire lid assembly 20 connected to the burner block 10, and a center block 30 connected to the burner block 10. As shown in fig. 3, the center seat 30 is located below the burner base 10. In operation, gas enters the fire lid assembly 20 from the burner base 10 and the center base 30, respectively, and is then ejected through the fire lid assembly 20.

The combustor 100 described above will be further described with reference to fig. 1 to 9.

As shown in fig. 3, the burner base 10 is provided with an outer ring air inlet 11 and an outer ring nozzle 12 communicating with the outer ring air inlet 11. Wherein, the outer ring nozzle 12 is located on the bearing surface of the burner base 10. In addition, as shown in fig. 3, in the present embodiment, the burner base 10 is further provided with an ignition pin 13 and a thermocouple 14. Wherein the ignition needle 13 is used to ignite the gas and the thermocouple 14 is used to detect the flame.

As shown in fig. 3 and 6, in the present embodiment, the number of the outer ring nozzles 12 is two and evenly spaced. The burner base 10 is provided with two diversion air passages 15. The outer ring air inlet 11 communicates with each outer ring nozzle 12 via a branch air passage 15. The plurality of outer ring nozzles 12 distributed at even intervals can enable the gas of the outer ring gas channel 212 to be distributed more evenly, and the stability of combustion is improved.

As shown in fig. 3 and 4, the fire lid assembly 20 includes: a fire cover seat 21 arranged on the stove head seat 10, an outer ring fire cover 22 connected with the fire cover seat 21, and a central fire cover 23 connected with the fire cover seat 21. As shown in fig. 5 to 7, the fire lid base 21 is provided with a central air passage 211 and an outer annular air passage 212. As shown in fig. 5, the central air passage 211 penetrates the burner base 10 downward and extends below the burner base 10. As shown in fig. 6, the outer ring gas passage 212 is located on the outer peripheral side of the center gas passage 211 and abuts the outer ring nozzle 12.

As shown in fig. 3 and 5, the center seat 30 is provided with a center connection 31, a center nozzle 32 located in the center connection 31, and a center air inlet 33 communicating with the center nozzle 32. The center interface 31 is butted with the center air passage 211, and a first center oxygen supplement gap 34 for external air to enter is arranged between the center interface 31 and the center air passage 211. The center nozzle 32 interfaces with the center gas passage 211.

Preferably, in the present embodiment, the distance H between the outlet of the central nozzle 32 and the outlet of the central air duct 211 is not less than 40mm, so as to provide sufficient injection distance for the central nozzle 32. For example, in the present embodiment, H is 65mm, and in other embodiments, H may be 40mm, 50mm, or other values not less than 40 mm.

As shown in fig. 5 and 8, in the present embodiment, the central interface 31 is sleeved on the central air passage 211, and the first central oxygen supplement gap 34 is located between the inner wall of the central interface 31 and the outer wall of the central air passage 211. The central interface 31 is sleeved with the central air passage 211, the butt joint of the central nozzle 32 and the central air passage 211 can be surrounded, and the central nozzle 32 and the central air passage 211 can be protected.

In other embodiments, the central air duct 211 may be sleeved on the central interface 31, and in this case, the first central oxygen supplement gap 34 is located between the outer wall of the central interface 31 and the inner wall of the central air duct 211, and may also protect the central nozzle 32.

In order to supplement more air, as shown in fig. 5, 7 and 8, in the present embodiment, a second central oxygen supplement gap 213 for external air to enter is provided between the bottom of the fire lid seat 21 and the bearing surface of the burner base 10. The fire cover base 21 is provided with a hollow portion 214 located on the outer peripheral side of the center fire cover 23. The hollow portion 214 communicates with the second central oxygen supplement gap 213. The external air may flow to the outer circumferential side of the center fire cover 23 through the second center oxygen supplement gap 213 and the hollowed-out portion 214 in sequence, to provide the secondary air supplement for the gas sprayed from the center fire cover 23.

Further, in the present embodiment, the outer ring nozzle 12 is located at the second central oxygen supply gap 213, as shown in fig. 5, 6, and 8, when the outer ring nozzle 12 injects the fuel gas into the outer ring gas duct 212, the injection effect thereof can supplement air from the second oxygen supply air inlet gap 213. As shown in fig. 6, when the gas is ejected from the outer flame cover 22, the air is replenished from the outer peripheral side of the outer flame cover 22.

As shown in fig. 9, in the present embodiment, the outer ring air inlet 11 and the central air inlet 33 are both transversely disposed and are both located on the same side of the burner base 10, which facilitates the butt joint of the gas pipeline and reduces the installation difficulty. It is understood that, according to the actual installation scenario, in other embodiments, the outer ring air inlet 11 and the central air inlet 33 may be disposed in other directions, and may also be located on different sides of the burner base 10.

As shown in fig. 8, in the present embodiment, the burner base 10 is further provided with a plurality of supporting legs 16. The plurality of support legs 16 may support the burner base 10 and suspend the bottom of the central base 30.

In operation, gas enters the center nozzle 32 from the center gas inlet 33 of the center seat 30, and the center nozzle 32 injects the gas upwardly into the center gas passage 211 of the fire cover seat 21. When the center nozzle 32 injects the fuel gas, external air is drawn into the center air duct 211 from the first center oxygen supply gap 34 by the ejector effect. Because the central nozzle 32 is installed on the central seat 30 below the burner seat 10, the injection distance of the central nozzle 32 is lengthened, so that the injection capacity is enhanced, the adsorption capacity to air is stronger, air supplement is facilitated, and the combustion heat load and the heat efficiency are improved.

According to the burner 100, the central seat 30 is additionally arranged below the burner head seat 10 to install the central nozzle 32, the injection distance of the central nozzle 32 is lengthened, the injection capacity is enhanced, more air is supplemented, and the purposes of improving the combustion heat load and the heat efficiency are achieved.

Simultaneously, the utility model also provides a gas cooking utensils.

The gas cooker includes the burner 100 of the above-described embodiment.

The gas cooker is provided with an improved burner 100. In operation, gas enters the center nozzle 32 from the center gas inlet 33 of the center seat 30, and the center nozzle 32 injects the gas upwardly into the center gas passage 211 of the fire cover seat 21. When the center nozzle 32 injects the fuel gas, external air is drawn into the center air duct 211 from the first center oxygen supply gap 34 by the ejector effect. Because the central nozzle 32 is installed on the central seat 30 below the burner seat 10, the injection distance of the central nozzle 32 is lengthened, so that the injection capacity is enhanced, the adsorption capacity to air is stronger, air supplement is facilitated, and the combustion heat load and the heat efficiency are improved. Through the design, the central seat 30 is additionally arranged below the furnace head seat 10 to install the central nozzle 32, the injection distance of the central nozzle 32 is lengthened, the injection capacity is enhanced, more air is supplemented, and the purposes of improving the combustion heat load and the heat efficiency are achieved.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent preferred embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (8)

1. A burner, comprising:

a burner base; the furnace head seat is provided with an outer ring air inlet and an outer ring nozzle communicated with the outer ring air inlet;

the fire cover assembly is connected with the furnace head seat; the fire lid assembly includes: the fire cover comprises a fire cover seat arranged on the stove head seat, an outer ring fire cover connected with the fire cover seat and a central fire cover connected with the fire cover seat; the fire cover seat is provided with a central air passage and an outer ring air passage; the central air flue penetrates through the furnace head seat downwards and extends to the lower part of the furnace head seat; the outer ring air flue ring is positioned on the outer peripheral side of the central air flue and is butted with the outer ring nozzle; and

the central seat is connected with the furnace head seat; the central seat is positioned below the furnace head seat; the central seat is provided with a central interface, a central nozzle positioned in the central interface and a central air inlet communicated with the central nozzle; the central interface is in butt joint with the central air passage, and a first central oxygen supplementing gap for external air to enter is formed between the central interface and the central air passage; the central nozzle is butted with the central air passage.

2. The burner of claim 1, wherein the central port is sleeved with the central air passage, and the first central oxygenating gap is located between an inner wall of the central port and an outer wall of the central air passage.

3. The combustor as claimed in claim 1, wherein the number of the outer ring nozzles is plural and evenly spaced; the furnace head seat is provided with a plurality of shunting air passages; the outer ring air inlet is communicated with each outer ring nozzle through the diversion air passage.

4. The burner of claim 1, wherein a second central oxygen supplement gap for external air to enter is arranged between the bottom of the fire cover seat and the bearing surface of the burner seat; the fire cover seat is provided with a hollow part positioned on the outer peripheral side of the central fire cover; the hollow-out part is communicated with the second central oxygen supplementing gap.

5. The burner of claim 1, wherein the outer ring air inlet and the central air inlet are both transversely disposed and are both located on the same side of the burner block.

6. The burner of claim 1, wherein the distance between the outlet of the central nozzle and the outlet of the central gas duct is not less than 40 mm.

7. The burner of claim 1, wherein the burner base is provided with a plurality of support feet.

8. Gas cooking appliance, characterized in that it comprises a burner according to any one of claims 1 to 7.

Images