CN214406062U - Distributor subassembly, combustor and cooking utensils - Google Patents

Abstract

The utility model provides a distributor subassembly, combustor and cooking utensils. Distributor subassembly includes fire lid and branch fire seat, and the fire lid sets up on dividing the fire seat, and is formed with inner ring gas mixing chamber, outer ring gas mixing chamber and branch gas channel between fire lid and the branch fire seat, divides gas channel intercommunication inner ring gas mixing chamber and outer ring gas mixing chamber, divides the gas channel to have the branch gas diapire that lies in on dividing the fire seat, divides the gas diapire to mix the gas chamber from the inner ring and upwards sets up toward outer ring gas mixing chamber direction slope. The utility model discloses can reduce the admission speed for the local torrent circle that forms of inner wall that strikes outer ring air mixing chamber reduces, and steady surrounding gas flows, improves the gas and mixes gas intracavity premix efficiency at the outer ring, thereby improves gas combustion thermal efficiency.

Description

Distributor subassembly, combustor and cooking utensils

Technical Field

The utility model relates to a domestic gas cooking utensils technical field specifically relates to a distributor subassembly, combustor and cooking utensils.

Background

The distributor component is an important component of the burner, and the performance of the distributor component directly influences the overall performance of the gas cooker.

The distributor subassembly of current combustor generally includes fire lid and branch fire seat, and the fire lid is set up and is supported by dividing the fire seat on dividing the fire seat, is formed with inner ring gas mixing chamber, outer ring gas mixing chamber and branch gas channel between fire lid and the branch fire seat, divides the gas channel to be a plurality of, and a plurality of gas channels guide the gas from inner ring gas mixing chamber to outer ring gas mixing chamber. Traditional diapire that divides the gas channel is the plane inner wall that divides the fire seat, and when the gas combustion, gas loses too much energy because of the striking in outer ring gas mixing cavity, leads to the initial thermal efficiency that has just lost a certain proportion of gas combustion to lead to the thermal efficiency not high.

SUMMERY OF THE UTILITY MODEL

To at least partially address the problems presented by the prior art, a distributor assembly is provided.

The utility model provides a distributor subassembly, including fire lid and branch fire seat, the fire lid sets up divide on the fire seat, just the fire lid with divide to be formed with inner ring gas mixing chamber, outer ring gas mixing chamber and branch gas channel between the fire seat, divide gas channel intercommunication the inner ring gas mixing chamber with outer ring gas mixing chamber, it has to be located to divide gas channel divide gas diapire on the fire seat, divide gas diapire to follow the inner ring gas mixing chamber past outer ring gas mixing chamber direction slope upwards sets up.

Foretell distributor subassembly because the branch gas diapire from the inner ring gas mixing chamber upwards sets up towards outer ring gas mixing chamber direction slope, can reduce the admission speed for strike the local torrent circle that forms of inner wall in outer ring gas mixing chamber and reduce, steady surrounding gas flows, improves the gas and mixes gas efficiency in advance in outer ring gas mixing chamber, thereby improves gas combustion thermal efficiency.

Illustratively, the gas-distributing bottom wall and the horizontal plane form an included angle a, and the included angle a is more than 10 degrees and less than 20 degrees. Therefore, the problems that the gradient is not obvious and the air flow speed is not substantially influenced can be solved, and the problems that the gradient is too large, the air speed directly impacts the gradient surface to form turbulent flow, the energy is lost, and the heat efficiency is finally lost can also be solved.

Illustratively, the gas distribution channel is provided with a gas outlet, and spoilers are arranged in the outer ring gas mixing cavity and are positioned on two sides of the gas outlet. Therefore, the gas can be more stably transited into the outer ring gas mixing cavity.

Illustratively, the spoiler has a first end close to the gas outlet and a second end far away from the gas outlet, and the spoiler is obliquely and upwardly arranged from the first end to the second end. Therefore, the gas can be further smoothly transited into the outer ring gas mixing cavity.

Illustratively, the spoiler and the horizontal plane form an included angle b, and the included angle b is more than 20 degrees and less than 45 degrees. Therefore, the purpose of enabling the gas to continuously flow more smoothly can be achieved, the gas in the outer ring gas mixing cavity can be premixed more sufficiently, the primary air obtains the maximum utilization rate, the combustion is enabled to be more sufficient, and the combustion efficiency is improved by 2% -3%.

Exemplarily, the flame distributing base has a first upper plane, the spoiler has a second upper plane at the second end position, the second upper plane is arranged lower than the first upper plane, and a distance X is provided between the second upper plane and the first upper plane, wherein 4mm < X < 6 mm. Therefore, when fire is turned off, the tempering phenomenon cannot occur due to the fact that the size of the outer ring gas mixing cavity is too large.

Illustratively, the fire-dividing base has a plurality of gas-dividing chambers, each gas-dividing chamber includes an inner circumferential wall, an outer circumferential wall concentric with the inner circumferential wall, a first radial wall and a second radial wall opposite to the first radial wall, and one gas-dividing passage is formed between the second radial wall of a gas-dividing chamber and the first radial wall of an adjacent gas-dividing chamber. Therefore, the gas distribution channels are multiple, so that the gas can uniformly flow into the outer ring gas mixing cavity.

Illustratively, the fire distribution base comprises a base body and side base bodies, the side base bodies extend upwards from the outer periphery of the base body and surround the base body to form a gas distribution cavity, the gas distribution cavities are positioned in the gas distribution cavities, one surfaces of the side base bodies, facing the gas distribution cavities, are provided with first connecting parts, and the inner sides of the inner side circumferential walls extend inwards to form second connecting parts; the fire cover comprises an outer ring fire cover, the outer ring fire cover comprises an outer ring outer wall and a central wall, a third connecting portion fixedly connected with the first connecting portion extends inwards from the outer ring outer wall, and a fourth connecting portion fixedly connected with the second connecting portion extends outwards from the central wall. Therefore, the outer ring fire cover and the fire distributing seat are connected and locked through the inner ring connecting part and the outer ring connecting part, the fixing stability is improved, the deformation generated by natural tension is reduced, and the complaint maintenance rate is reduced.

Illustratively, the central wall encloses and closes and forms first central passageway, the fire lid still including covering establish the inner ring fire lid of first central passageway top, inner ring fire lid includes inner ring roof and inner ring lateral wall, the inner ring lateral wall with the inner ring roof encloses and closes and form second central passageway, second central passageway with first central passageway communicates with each other. Therefore, the first central channel and the second central channel jointly form one part of the inner ring air mixing cavity, and the structure is simple.

Illustratively, the inner ring side wall is provided with fire holes communicating the second central passage with the outside, the fire holes comprise upper fire holes, middle fire holes and lower fire holes which are arranged in an upper, middle and lower manner, the upper fire holes and the lower fire holes are located at the same vertical position, and the middle fire holes and the upper fire holes or the lower fire holes are arranged in a staggered manner. Therefore, on the premise of ensuring the strength of a single fire hole, the number of the fire holes is more, the proportion of the combustion load of the inner ring to the total heat load is improved, and the heat efficiency is improved; moreover, due to the arrangement of the three layers of fire holes, the gas passing through the single fire hole is controlled, and the flame-leaving risk is reduced.

According to another aspect of the utility model, still provide a combustor, including the furnace end with set up the distributor subassembly on the furnace end, the distributor subassembly is foretell distributor subassembly. Since the above-mentioned distributor assembly has the above-mentioned advantageous effects, a burner comprising the above-mentioned distributor assembly must also have the above-mentioned advantageous effects.

According to another aspect of the present invention, there is provided a cooking appliance including the burner as above. Since the above burner has the above-mentioned advantageous effects, a cooker including the above burner also necessarily has the above-mentioned advantageous effects.

The advantages and features of the present invention are described in detail below with reference to the accompanying drawings.

Drawings

The following drawings of the present invention are used herein as part of the present invention for understanding the present invention. There are shown in the drawings, embodiments and descriptions thereof, which are used to explain the principles of the invention. In the drawings, there is shown in the drawings,

fig. 1 is an exploded view of a burner according to an exemplary embodiment of the present invention;

fig. 2 is an internal structural view of a burner according to an exemplary embodiment of the present invention;

FIG. 3 is a block diagram of the distributor base of FIG. 2;

FIG. 4 is a bottom view of the distributor base of FIG. 2;

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

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4;

FIG. 7 is a structural view (viewed in one direction) of the outer ring fire cover of FIG. 2;

FIG. 8 is a structural view (viewed from the other direction) of the outer ring fire cover in FIG. 2;

fig. 9 is a structural view of the inner ring fire cover in fig. 2.

Wherein the figures include the following reference numerals:

100-fire lid

110-outer ring fire cover

111-outer ring top wall

112-inner wall of outer ring

1121 — fourth connecting part

113-outer ring outer wall

114-first central passage

115-center wall

1151-fourth connecting part

116-connecting wall

120-inner ring fire cover

121-inner ring top wall

122-inner ring side wall

123-second center channel

124-fire hole

1241-upper fire hole

1242 middle fire hole

1243 lower fire hole

200-fire dividing base

201-first upper plane

210-air separation chamber

211-inner peripheral wall

2111-second connection part

2112-thermocouple through-hole part

212-outer peripheral wall

213-first radial wall

214-second radial wall

220-base body

230-side seat body

231-first connection part

240-gas distribution cavity

300-inner ring air mixing cavity

400-outer ring mixed air cavity

500-gas distribution channel

51-gas-dividing bottom wall

52-gas outlet

60-spoiler

61-first end

62-second end

621-second upper plane

Detailed Description

In the following description, numerous details are provided to provide a thorough understanding of the present invention. One skilled in the art, however, will understand that the following description illustrates only a preferred embodiment of the invention and that the invention may be practiced without one or more of these details. In addition, some technical features that are well known in the art are not described in detail in order to avoid obscuring the present invention.

As shown in fig. 1 to 6, according to the utility model discloses distributor subassembly of embodiment, including fire lid 100 and branch fire seat 200, fire lid 100 sets up on dividing fire seat 200, and be formed with inner ring air mixing chamber 300 between fire lid 100 and the branch fire seat 200, outer ring air mixing chamber 400 and branch gas channel 500, divide gas channel 500 intercommunication inner ring air mixing chamber 300 and outer ring air mixing chamber 400 to guide the gas to outer ring air mixing chamber 400 from inner ring air mixing chamber 300, divide gas channel 500 to have and be located branch gas diapire 51 on dividing fire seat 200, divide gas diapire 51 to incline upwards to set up from inner ring air mixing chamber 300 toward outer ring air mixing chamber 400 direction.

Foretell distributor subassembly because divide gas diapire 51 and upwards set up toward outer ring air mixing chamber 400 direction slope from inner ring air mixing chamber 300, can reduce the admission speed for the local turbulent ring that forms of inner wall that strikes outer ring air mixing chamber 400 reduces, and steady surrounding gas flows, improves the gas and mixes efficiency in advance in outer ring air mixing chamber 400, thereby improves gas combustion thermal efficiency.

Referring again to fig. 6, the gas-distributing bottom wall 51 forms an angle a with the horizontal plane, 10 ° < a < 20 °, such as 10 °, 15 °, 20 °, etc. Therefore, the problems that the gradient is not obvious and the air flow speed is not substantially influenced can be solved, and the problems that the gradient is too large, the air speed directly impacts the gradient surface to form turbulent flow, the energy is lost, and the heat efficiency is finally lost can also be solved.

Referring to fig. 3 and 5, the gas distribution passage 500 has a gas outlet 51, and spoilers 600 are disposed in the outer annular gas mixing chamber 400, the spoilers 600 being located at positions on both sides of the gas outlet 51. Therefore, the gas can be more stably transited into the outer ring gas mixing cavity.

In an exemplary embodiment, the spoiler 600 has a first end 61 close to the gas outlet 51 and a second end 62 far away from the gas outlet 51, and the spoiler 600 is disposed obliquely upward from the first end 61 toward the second end 62. Therefore, the gas can be further smoothly transited into the outer ring gas mixing cavity.

Further, the spoiler 600 has an angle b with the horizontal plane, 20 ° < b < 45 °, for example 20 °, 25 °, 30 °, 35 °, 40 °, 45 °. So, can reach the purpose that more smooth lets gas continue to flow to can make the gas in the outer loop gas mixing chamber 400 mix in advance more abundant, the primary air obtains the biggest utilization ratio, lets the burning more abundant, improves combustion efficiency 2% -3%.

Further, the fire-dividing base 200 has a first upper plane 201, the spoiler 600 has a second upper plane 621 at the second end 62, the second upper plane 621 is disposed lower than the first upper plane 201, and a distance X is provided between the second upper plane 621 and the first upper plane 201, wherein 4mm < X < 6mm, such as 4mm, 5mm, 6mm, etc. Therefore, when fire is turned off, the tempering phenomenon cannot occur due to the fact that the size of the outer ring gas mixing cavity is too large.

As an exemplary embodiment, the flame-dividing base 200 has a central passage 202 and a plurality of gas-dividing chambers 210, each gas-dividing chamber 210 including an inner circumferential wall 211, an outer circumferential wall 212, a first radial wall 213, and a second radial wall 214, the outer circumferential wall 212 being concentric with the inner circumferential wall 211, the second radial wall 213 being opposite to the first radial wall 214, and one gas-dividing passage 500 being formed between the second radial wall 214 of a gas-dividing chamber and the first radial wall 213 of an adjacent gas-dividing chamber. Thus, the gas distribution passage 500 is provided in plurality, so that the gas can uniformly flow into the outer ring gas mixing chamber 400. In the embodiment shown in fig. 3, there are 3 gas distribution chambers 210, 3 gas distribution channels 500, and there are 3 spoilers 600 on two sides of the gas outlet 51 of each gas distribution channel 500, so that there are 6 spoilers 600.

Referring to fig. 3, 6 and 7 again, the fire-distributing base 200 includes a base body 220 and side base bodies 230, the side base bodies 230 extend upward from the outer periphery of the base body 220 and enclose to form air-distributing cavities 240, a plurality of air-distributing chambers 210 are located in the air-distributing cavities 240, a first connecting portion 231 is provided on one surface of the side base bodies 230 facing the air-distributing cavities 240, a second connecting portion 2111 extends inward from the inner side of each inner peripheral wall 211, and the air-distributing chambers 210 protrude on the base body 220. The fire cover 100 is a split type fire cover, and comprises an outer ring fire cover 110 and an inner ring fire cover 120. The outer ring fire cover 110 comprises an outer ring top wall 111, an outer ring inner wall 112, an outer ring outer wall 113 and a central wall 115, the outer ring inner wall 112 extends downwards from the inner periphery of the outer ring top wall 111, the outer ring outer wall 113 extends downwards from the outer periphery of the outer ring top wall 111, the outer ring inner wall 112, the outer ring outer wall 113, a side seat body 230, a base body 220 and an outer side circumferential wall 212 are enclosed to form an outer ring air mixing chamber 400, the outer ring outer wall 113 is in sealing fit with the side seat body 230, the outer ring inner wall 112 is in sealing fit with the outer side circumferential wall 212, and therefore the air tightness of the outer ring air mixing chamber 400 is guaranteed. In order to fix the outer ring fire cover 110 on the fire-dividing base 200, a third connecting portion 1131 fixedly connected with the first connecting portion 231 extends inwards from the outer ring outer wall 113, and a fourth connecting portion 1151 fixedly connected with the second connecting portion 2111 extends outwards from the central wall 115, wherein the first connecting portion 231 and the third connecting portion 1131 can be fixedly connected through screws, and the second connecting portion 2111 and the fourth connecting portion 1151 can also be fixedly connected through screws. Therefore, the outer ring fire cover 110 and the fire distributing base 200 are connected and locked through the inner ring connecting part and the outer ring connecting part, the fixing stability is improved, the deformation generated by natural tension is reduced, and the complaint maintenance rate is reduced. The outer ring outer wall 113 and the central wall 115 are connected through a connecting wall 116, when the outer ring fire cover 110 is fixed on the fire distribution base 200, the connecting wall 116 is located above the gas distribution bottom wall 51, and the connecting wall 116, the first radial wall 213, the second radial wall 214 and the gas distribution bottom wall 51 enclose to form a gas distribution channel 500.

Referring to fig. 3, 8 and 9, the central wall 115 encloses to form a first central channel 114, the inner ring fire cover 120 covers the first central channel 114, the inner ring fire cover 120 includes an inner ring top wall 121 and an inner ring side wall 122, the inner ring side wall 122 and the inner ring top wall 121 enclose to form a second central channel 123, and the second central channel 123 is communicated with the first central channel 114. Since the inner ring air mixing chamber 300 is composed of the first central passage 114, the second central passage 123 and the central passage 201 together, the first central passage 114 and the second central passage 123 together constitute a part of the inner ring air mixing chamber 300, and the structure is simple.

As an exemplary embodiment, the inner ring side wall 122 has fire holes 124 communicating the second central passage 123 with the outside, and the fire holes 124 include upper fire holes 1241, middle fire holes 1242 and lower fire holes 1243 arranged in an upper, middle and lower manner, the upper fire holes 1241 and the lower fire holes 1243 are located at the same vertical position, and the middle fire holes 1242 are staggered with the upper fire holes 1241 or the lower fire holes 1243. Therefore, on the premise of ensuring the strength of a single fire hole, the number of the fire holes is more, the proportion of the combustion load of the inner ring to the total heat load is improved, and the heat efficiency is improved; moreover, due to the arrangement of the three layers of fire holes, the gas passing through the single fire hole is controlled, and the flame-leaving risk is reduced.

According to another aspect of the utility model, still provide a combustor, including the furnace end with set up the distributor subassembly on the furnace end, the distributor subassembly is foretell distributor subassembly. Since the above-mentioned distributor assembly has the above-mentioned advantageous effects, a burner comprising the above-mentioned distributor assembly must also have the above-mentioned advantageous effects. The furnace end can adopt various structures which are present or may appear in the future, and the furnace end does not limit the protection scope of the utility model.

According to another aspect of the present invention, there is provided a cooking appliance including the burner as above. Since the above burner has the above-mentioned advantageous effects, a cooker including the above burner also necessarily has the above-mentioned advantageous effects. Other parts of the stove, such as the stove body and the like, can adopt various structures which are present or may appear in the future, and do not limit the protection scope of the utility model.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "inner", "outer", "upper", "lower", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner" and "outer" refer to the interior and exterior relative to the contours of the components themselves.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe the spatial relationship of one or more components or features shown in the figures to other components or features. It is to be understood that the spatially relative terms are intended to encompass not only the orientation of the component as depicted in the figures, but also different orientations of the component in use or operation. For example, if an element in the drawings is turned over in its entirety, the articles "over" or "on" other elements or features will include the articles "under" or "beneath" the other elements or features. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". Further, these components or features may also be positioned at various other angles (e.g., rotated 90 degrees or other angles), all of which are intended to be encompassed herein.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, elements, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The present invention has been described in terms of the above embodiments, but it is to be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the described embodiments. Furthermore, it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that many more modifications and variations are possible in light of the teaching of the present invention and are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (12)

1. The utility model provides a distributor subassembly, includes fire lid and branch fire seat, the fire lid sets up divide on the fire seat, just the fire lid with divide to be formed with inner ring gas mixing chamber, outer ring gas mixing chamber and branch gas channel between the fire seat, divide gas channel intercommunication inner ring gas mixing chamber with outer ring gas mixing chamber, its characterized in that, it has to be located to divide gas channel divide gas diapire on the fire seat, divide gas diapire to follow inner ring gas mixing chamber toward outer ring gas mixing chamber direction slope upwards sets up.

2. The distributor assembly of claim 1, wherein the distributor base wall is angled from horizontal at an angle a of 10 ° < a < 20 °.

3. The distributor assembly of claim 1, wherein the distribution channel has a gas outlet, and wherein a spoiler is disposed within the outer annular gas mixing chamber and positioned on either side of the gas outlet.

4. The distributor assembly of claim 3, wherein the spoiler has a first end proximate to the gas outlet and a second end distal from the gas outlet, the spoiler being disposed obliquely upward from the first end toward the second end.

5. The distributor assembly of claim 4, wherein the baffles are angled from horizontal by an angle b, 20 ° < b < 45 °.

6. The distributor assembly according to claim 4, wherein the distributor base has a first upper plane, wherein the spoiler has a second upper plane at the second end position, wherein the second upper plane is disposed lower than the first upper plane, and wherein the second upper plane is spaced from the first upper plane by a distance X, wherein 4mm < X < 6 mm.

7. The distributor assembly of claim 1, wherein said distributor base has a plurality of gas distribution chambers, each of said gas distribution chambers comprising an inner circumferential wall, an outer circumferential wall concentric with said inner circumferential wall, a first radial wall, and a second radial wall opposite said first radial wall, said second radial wall of a gas distribution chamber forming one of said gas distribution passages with said first radial wall of an adjacent gas distribution chamber.

8. The fire distributor assembly according to claim 7, wherein the fire distributor base comprises a base body and side base bodies, the side base bodies extend upward from the outer periphery of the base body and surround the base body to form a gas distribution chamber, the plurality of gas distribution chambers are located in the gas distribution chamber, a first connecting portion is provided on a surface of the side base body facing the gas distribution chamber, and a second connecting portion protrudes inward from an inner side of each of the inner peripheral walls; the fire cover comprises an outer ring fire cover, the outer ring fire cover comprises an outer ring outer wall and a central wall, a third connecting portion fixedly connected with the first connecting portion extends inwards from the outer ring outer wall, and a fourth connecting portion fixedly connected with the second connecting portion extends outwards from the central wall.

9. The firearm assembly of claim 8, wherein the enclosure forms a first central passage, the fire cover further comprising an inner ring fire cover disposed over the first central passage, the inner ring fire cover comprising an inner ring top wall and an inner ring side wall, the inner ring side wall and the inner ring top wall enclosing a second central passage, the second central passage communicating with the first central passage.

10. The fire divider assembly of claim 9, wherein the inner ring side wall has fire holes communicating the second central passage with the outside, the fire holes include upper, middle and lower fire holes arranged in an upper, middle and lower manner, the upper fire hole and the lower fire hole are located at the same vertical position, and the middle fire hole is staggered with the upper fire hole or the lower fire hole.

11. A burner comprising a burner and a distributor assembly disposed on the burner, wherein the distributor assembly is as defined in any one of claims 1 to 10.

12. Hob, characterized in, that it comprises a burner as claimed in claim 11.

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