CN214370385U - Fire distributor and burner for gas stove - Google Patents

Abstract

The utility model relates to a distributor and combustor for gas-cooker. The fire cover seat is provided with a central air passage, an inner ring and an outer ring from inside to outside along the center; at least two inner ring channels are arranged between the central air passage and the inner ring, at least two outer ring channels are arranged between the central air passage and the outer ring, the inner ring channels are communicated with the inner ring, the outer ring channels are communicated with the outer ring, and a gap for supplementing air is arranged between the central air passage and the inner ring, so that secondary air can be supplemented to the central fire hole and the inner ring fire hole, the combustion efficiency is further improved, the combustion is more sufficient, and the generation of CO is reduced; in addition, the inner ring channel and the outer ring channel are radially connected with the inner ring and the outer ring respectively by taking the central air passage as an axis, so that the uniformity of air pressure at each position in the distributor can be effectively ensured, the consistency of the flame height sprayed from each fire hole is ensured, the combustion is more sufficient, and the generation of CO is favorably reduced.

Description

Fire distributor and burner for gas stove

Technical Field

The utility model relates to a combustor technical field, more specifically relates to a distributor and combustor for gas-cooker.

Background

In the three-ring fine control burner of the existing gas stove on the market, a burner head is provided with three injection air passages, the middle injection air passage is communicated with a central fire cover, the injection air passages on the left side and the right side are respectively communicated with an inner ring and an outer ring from the left side and the right side, and then the inner ring and the outer ring are communicated with an inner ring fire hole and an outer ring fire hole of an outer ring fire cover; because the cross section width of the outer ring fire cover is limited, the width of the inner ring and the outer ring is also limited, and the left injection air passage and the right injection air passage are only communicated with the inner ring and the outer ring from one side, the air pressure at an inlet is certainly slightly higher, and the air pressure at one end far away from the injection air passage is lower; when the burner is ignited to work, the flame can be clearly seen to be close to the long side of the injection air passage and the short side of the injection air passage; air is used for supplementing combustion to flames to support combustion, and the peripheries of the inner ring fire holes and the outer ring fire holes are uniform, so that insufficient combustion can occur at one end with high air pressure, more CO is generated, and air at one end with low air pressure is excessive and leaves flames.

Chinese patent CN205807419U, published as 2015.12.24, discloses a three-ring fire distributor and a burner thereof, wherein a gap for supplying air is not left between the inner ring and the middle ring, and secondary air is not supplied enough to the central fire hole and the inner ring fire hole, resulting in insufficient combustion and easy generation of CO.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome at least one defect among the above-mentioned prior art, provide a distributor and combustor for gas-cooker for the burning is more abundant, effectively reduces the production of CO.

In order to solve the technical problem, the utility model discloses a technical scheme is: a fire distributor for a gas stove comprises a fire cover seat; the fire cover seat is provided with a central air passage, an inner ring and an outer ring from inside to outside along the center; at least two inner ring channels are arranged between the central air passage and the inner ring, at least two outer ring channels are arranged between the central air passage and the outer ring, the inner ring channels are communicated with the inner ring, the outer ring channels are communicated with the outer ring, and a gap for supplementing air is arranged between the central air passage and the inner ring.

In one embodiment, the inner ring channel and the outer ring channel are stacked up and down or staggered up and down.

In one embodiment, the fire extinguisher further comprises a central fire cover and an outer ring fire cover, wherein the central fire cover is provided with a central fire hole, the central fire cover is covered on the central air passage, and the central fire hole is communicated with the central air passage; the outer ring fire cover is arranged on the inner ring and the outer ring, the outer ring fire cover is provided with an outer ring fire hole and an inner ring fire hole, the inner ring fire hole is communicated with the inner ring, and the outer ring fire hole is communicated with the outer ring.

In one embodiment, the central air passage, the inner ring and the outer ring are coaxially arranged.

In one embodiment, the inner ring channels and the outer ring channels are uniformly distributed in a radial shape along the circumferential direction of the central air passage, and the outer ring channels and the inner ring channels are arranged in a one-to-one correspondence and stacked up and down.

In one embodiment, the inner ring channels and the outer ring channels are uniformly distributed in a radial shape along the axis of the central air passage, and the outer ring channels and the inner ring channels are arranged in a vertically staggered mode.

In one embodiment, the bottom of the fire cover seat is provided with a central air inlet, an inner ring air inlet and an outer ring air inlet which are coaxially arranged with the central air passage, the central air inlet is communicated with the central air passage, the inner ring air inlet is communicated with the inner ring channel, and the outer ring air inlet is communicated with the outer ring channel.

In one embodiment, the number of the inner ring channels and the outer ring channels is the same, and the number of the inner ring channels and the number of the outer ring channels are 2 to 5.

In one embodiment, the number of the inner ring channels and the outer ring channels is 4.

The utility model also provides a combustor, including the furnace end, still include above the distributor, the furnace end be equipped with three and draw and penetrate the passageway, three draw and penetrate the passageway and be cyclic annular and with the coaxial setting of central air flue, three draw and penetrate the passageway and communicate with central air flue, inner ring passageway and outer loop passageway respectively.

Compared with the prior art, the beneficial effects are: the utility model provides a distributor and combustor for gas-cooker, inner ring passageway and outer loop passageway overlap the setting from top to bottom or crisscross setting from top to bottom, still leave the space that is used for supplementing the air between inner ring and central air flue setting inner ring passageway and outer loop passageway, are favorable to carrying out the replenishment of secondary air to central fire hole and inner ring fire hole, further improve combustion efficiency, make the burning more abundant to reduce the production of CO; in addition, the inner ring channel and the outer ring channel are radially connected with the inner ring and the outer ring respectively by taking the central air passage as an axis, so that the uniformity of air pressure at each position in the distributor can be effectively ensured, the consistency of the flame height sprayed from each fire hole is ensured, the combustion is more sufficient, and the generation of CO is favorably reduced.

Drawings

Fig. 1 is a schematic view of the structure of the fire cover seat of the present invention.

Fig. 2 is a schematic structural view of the fire distributor of the present invention.

Fig. 3 is an explosion diagram of the structure of the burner of the present invention.

Fig. 4 is a schematic view of the internal structure of the burner of the present invention.

Fig. 5 is a schematic view of the overall structure of the burner of the present invention.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the invention; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the invention.

As shown in fig. 1 and 2, a distributor for a gas range includes a fire cover base 1, a central fire cover 8 and an outer ring fire cover 9; a central air passage 2, an inner ring 3 and an outer ring 4 are arranged on the fire cover seat 1 from inside to outside along the center thereof, at least two inner ring channels 5 are arranged between the central air passage 2 and the inner ring 3, at least two outer ring channels 6 are arranged between the central air passage 2 and the outer ring 4, the inner ring channels 5 are communicated with the inner ring 3, the outer ring channels 6 are communicated with the outer ring 4, a gap 7 for supplementing air is arranged between the central air passage 2 and the inner ring 3, in the embodiment, the inner ring channels 5 and the outer ring channels 6 are arranged in an up-and-down laminated manner or in an up-and-down staggered manner; the central fire cover 8 is provided with a central fire hole 10, the central fire cover 8 is connected with the central air passage 2, and the central fire hole 10 is communicated with the central air passage 2; outer loop fire lid 9 is installed on inner ring 3 and outer loop 4, is equipped with outer loop fire hole 11 and inner ring fire hole 12 on the outer loop fire lid 9, and inner ring fire hole 12 communicates with inner ring 3, and outer loop fire hole 11 communicates with outer loop 4.

In the embodiment, as shown in fig. 4, the mixed gas respectively enters the central gas passage 2, the inner ring passage 5 and the outer ring passage 6, and the mixed gas entering the central gas passage 2 is ejected out and combusted through the central fire hole 10; the mixed gas entering the inner ring channel 5 enters the inner ring 3 and then is sprayed out and combusted through the inner ring fire hole 12; the mixed gas entering the outer ring channel 6 enters the outer ring 4 and then is sprayed out and combusted through the outer ring fire hole 11; inner ring passageway 5 and outer ring passageway 6 range upon range of setting from top to bottom or crisscross setting from top to bottom, can leave space 7 between inner ring 3 and central air flue 2 like this, and the air gets into and carries out secondary air's replenishment to central fire hole 10 and inner ring fire hole 12 in the space 7 for the burning is more abundant, effectively reduces the production of CO.

In one of the embodiments, as shown in fig. 2, the central gas duct 2, the inner ring 3 and the outer ring 4 are coaxially arranged. The central air passage 2 can be a cylindrical passage, and the inner ring 3 and the outer ring 4 are annular passages; of course, an elliptical ring, an irregular ring, a square ring, etc. may be provided, but the effect of the circular ring is better.

In one embodiment, as shown in fig. 1 and 3, a plurality of groups of inner ring channels 5 and outer ring channels 6 are provided, the plurality of inner ring channels 5 are uniformly distributed in a radial shape along the circumferential direction of the central air duct 2, and the plurality of outer ring channels 6 and the plurality of inner ring channels 5 are stacked up and down in one-to-one correspondence. After the mixed gas got into inner ring passageway 5 and outer ring passageway 6, be radial inflow in inner ring 3 and outer loop 4, inner ring passageway 5 and outer ring passageway 6 are radial setting, can guarantee that the gas pressure who flows into each position of mixed gas in inner ring 3 and outer loop 4 is even, guarantee that each flame hole spun flame highly uniform for the burning is more abundant, also is favorable to reducing the production of CO.

In another embodiment, there are multiple sets of the inner ring channels 5 and the outer ring channels 6, the inner ring channels 5 are uniformly distributed in a radial manner along the axis of the central air passage 2, the outer ring channels 6 are uniformly distributed in a radial manner along the axis of the central air passage 2, and the outer ring channels 6 and the inner ring channels 5 are staggered up and down.

In one embodiment, the number of inner ring channels 5 and outer ring channels 6 is 2 to 5. The more the inner ring channels 5 and the outer ring channels 6 are arranged, the better the air pressure uniformity at each part of the inner ring 3 and the outer ring 4 is, and the more uniform the sprayed flame is; however, the more the arrangement, the less the gap 7 between the inner ring 3 and the central air duct 2 is left, the less the secondary air is supplemented, and the combustion is not facilitated, and as a preferred embodiment, the number of the inner ring channels 5 and the number of the outer ring channels 6 can be set to 4.

In one embodiment, as shown in fig. 2 and 4, the bottom of the fire cover seat 1 is provided with a center air inlet hole 13, an inner ring air inlet hole 14 and an outer ring air inlet hole 15 which are coaxially arranged with the center air flue 2, the center air inlet hole 13 is communicated with the center air flue 2, the inner ring air inlet hole 14 is communicated with the inner ring channel 5, and the outer ring air inlet hole 15 is communicated with the outer ring channel 6. The central air inlet hole 13, the inner ring air inlet hole 14 and the outer ring air inlet hole 15 are respectively used for being connected with three injection ports of the furnace end 16; the air inlet is arranged to be coaxial with the central air passage 2, so that mixed gas enters from the central position of the distributor and then is dispersed to the periphery, the distance of the mixed gas entering all the places is equal, the pressure at all the places is effectively guaranteed to be consistent, and the generation of uniform flame is facilitated.

In another embodiment, as shown in fig. 3 to 5, a burner is provided, which includes a burner 16 and the above fire divider, the burner 16 has three injection channels 17, the three injection channels 17 are annular and are disposed coaxially with the central air passage 2, and the three injection channels 17 are respectively connected to the central air inlet 13, the inner ring air inlet 14 and the outer ring air inlet 15, and are communicated with the central air passage 2, the inner ring air passage 5 and the outer ring air passage 6.

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 orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered 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.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A distributor for gas cookers, comprising a fire cover seat (1); the fire cover seat (1) is provided with a central air passage (2), an inner ring (3) and an outer ring (4) from inside to outside along the center thereof; the air-supply device is characterized in that at least two inner ring channels (5) are arranged between the central air passage (2) and the inner ring (3), at least two outer ring channels (6) are arranged between the central air passage (2) and the outer ring (4), the inner ring channels (5) are communicated with the inner ring (3), the outer ring channels (6) are communicated with the outer ring (4), and a gap (7) for supplementing air is arranged between the central air passage (2) and the inner ring (3).

2. Distributor for gas cookers according to claim 1, characterized in that the inner ring channels (5) and the outer ring channels (6) are arranged one above the other or staggered one above the other.

3. The fire distributor for the gas stove is characterized by further comprising a central fire cover (8) and an outer ring fire cover (9), wherein a central fire hole (10) is formed in the central fire cover (8), the central fire cover (8) is covered on the central air flue (2), and the central fire hole (10) is communicated with the central air flue (2); the outer ring fire cover (9) is arranged on the inner ring (3) and the outer ring (4) in a covering mode, an outer ring fire hole (11) and an inner ring fire hole (12) are formed in the outer ring fire cover (9), the inner ring fire hole (12) is communicated with the inner ring (3), and the outer ring fire hole (11) is communicated with the outer ring (4).

4. Distributor for gas cooktops according to claim 2, characterized in that the central gas duct (2), the inner ring (3) and the outer ring (4) are arranged coaxially.

5. The distributor for gas cookers according to claim 3, characterized in that the inner ring channels (5) and the outer ring channels (6) are uniformly distributed radially along the circumference of the central gas duct (2), and the outer ring channels (6) and the inner ring channels (5) are stacked one on top of the other.

6. The distributor for gas cookers according to claim 3, characterized in that the inner ring channel (5) and the outer ring channel (6) are uniformly distributed in a radial shape along the axis of the central gas duct, and the outer ring channel (6) and the inner ring channel (5) are staggered up and down.

7. The fire distributor for gas cookers according to claim 6, characterized in that the bottom of the fire cover seat (1) is provided with a central air inlet (13), an inner ring air inlet (14) and an outer ring air inlet (15) which are coaxially arranged with the central air passage, the central air inlet (13) is communicated with the central air passage (2), the inner ring air inlet (14) is communicated with the inner ring channel (5), and the outer ring air inlet (15) is communicated with the outer ring channel (6).

8. Distributor for gas cookers according to any of claims 1 to 7, characterized in that the number of inner (5) and outer (6) ring channels is the same, from 2 to 5.

9. Distributor for gas cookers according to claim 6, characterized in that the number of said inner (5) and outer (6) ring channels is 4.

10. A combustor comprises a furnace end (16) and is characterized by further comprising the fire divider of any one of claims 1 to 9, wherein the furnace end (16) is provided with three injection channels (17), the three injection channels (17) are annular and are coaxially arranged with a central air passage (2), and the three injection channels (17) are respectively communicated with the central air passage (2), an inner ring channel (5) and an outer ring channel (6).

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