CN216384164U - Low-resistance upper air inlet burner - Google Patents
Low-resistance upper air inlet burner Download PDFInfo
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- CN216384164U CN216384164U CN202122830305.3U CN202122830305U CN216384164U CN 216384164 U CN216384164 U CN 216384164U CN 202122830305 U CN202122830305 U CN 202122830305U CN 216384164 U CN216384164 U CN 216384164U
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- ring fire
- outer ring
- inner ring
- base
- supply chamber
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Abstract
The utility model discloses a low-resistance type upper air inlet burner, which comprises a base and a bracket, wherein the bracket is fixedly connected to the base, an outer ring fire air supply chamber and an inner ring fire air supply chamber are formed above the bracket, an outer ring fire distributing cover is arranged on the upper cover of the outer ring fire air supply chamber, an inner ring fire distributing cover is arranged on the upper cover of the inner ring fire air supply chamber, an inner ring fire gas channel and a straight-through outer ring fire gas channel are arranged at the bottom of the base, the inner ring fire gas channel is communicated with the inner ring fire air supply chamber, the outer ring fire gas channel is communicated with the outer ring fire air supply chamber, an ignition needle mounting seat and a thermocouple mounting seat are arranged above the base, positioning steps extending upwards are arranged above the ignition needle mounting seat and the thermocouple mounting seat, an ignition needle mounting through hole and a thermocouple mounting through hole are arranged on the bracket, two positioning concave rings matched with the positioning steps are arranged at the bottom of the bracket, the two positioning concave rings are respectively positioned below the ignition needle mounting through hole and the thermocouple mounting through hole.
Description
Technical Field
The utility model relates to the technical field of combustors, in particular to a low-resistance upper air inlet combustor.
Background
At present, most of the existing household gas burners are atmospheric burners, also called partially premixed burners. The working principle is as follows: the gas flows out from the nozzle at a certain flow rate under a certain pressure, enters the injection pipe, and attracts a certain amount of surrounding air under the injection action of the energy of the gas, wherein the air is called primary air. The primary air and the fuel gas are mixed in the injection pipe and the mixing cavity of the burner and then flow out through the fire holes to be combusted. Air is drawn from the surrounding of the flame to support combustion during the combustion process, and the air is called secondary air.
However, the existing burner has the following problems: 1. a positioning device is not arranged between the conventional support and the base, so that the positioning effect is poor in the process of assembling the support and the base, and later adjustment is needed; 2. the existing outer ring air inlet is easily affected by flow resistance, so that the air inlet is not smooth, and improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a low-resistance upper air inlet burner to solve the problems that the positioning effect is poor, and the outer ring air inlet is easily influenced by resistance, so that the air inlet is not smooth.
In order to achieve the purpose, the utility model provides the following technical scheme: a low-resistance upper air inlet burner comprises a base and a bracket, wherein the bracket is fixedly connected to the base, an outer ring fire air supply chamber and an inner ring fire air supply chamber are formed above the bracket, an outer ring fire distributing cover is arranged on the upper cover of the outer ring fire air supply chamber, an inner ring fire distributing cover is arranged on the upper cover of the inner ring fire air supply chamber, an inner ring fire gas channel and a straight-through outer ring fire gas channel are arranged at the bottom of the base, the inner ring fire gas channel is communicated with the inner ring fire air supply chamber, the outer ring fire gas channel is communicated with the outer ring fire air supply chamber, an ignition needle mounting seat and a thermocouple mounting seat are arranged above the base, positioning steps extending upwards are arranged above the ignition needle mounting seat and the thermocouple mounting seat, an ignition needle mounting through hole and a thermocouple mounting through hole are arranged on the bracket, two positioning concave rings matched with the positioning steps are arranged at the bottom of the bracket, the two positioning concave rings are respectively positioned below the ignition needle mounting through hole and the thermocouple mounting through hole.
In order to improve the stability when placing, the below ring shape of base is provided with three reference column.
Preferably, an inner ring fire nozzle and an outer ring fire nozzle are arranged above the base, one end of the inner ring fire nozzle is communicated with the inner ring fire gas channel, the other end of the inner ring fire nozzle is communicated with the inner ring fire gas supply chamber, one end of the outer ring fire nozzle is communicated with the outer ring fire gas channel, and the other end of the outer ring fire nozzle is communicated with the outer ring fire gas supply chamber.
In order to facilitate installation, a limiting groove for fixing the thermocouple is arranged in the positioning step above the thermocouple installation seat.
Compared with the prior art, the utility model has the following beneficial effects: 1. positioning steps extending upwards are arranged on an original ignition needle mounting seat and an original thermocouple mounting seat, then positioning concave rings matched with the positioning steps 11 are arranged below a support, the support is placed on a base, in order to ensure accurate positioning, positioning can be realized by directly inserting the positioning steps into the corresponding positioning concave rings, alignment of all gas ports is ensured, and the support is further placed and installed; 2. in addition, the outer ring fire gas channel is directly set to be a straight-through structure, so that the flowing resistance is reduced when the gas is introduced, and the gas flows more smoothly.
Drawings
Fig. 1 is a schematic overall structure diagram of a low resistance type upper air inlet burner disclosed in this embodiment;
FIG. 2 is an exploded view of a low resistance upper inlet burner disclosed in this embodiment;
fig. 3 is a schematic view of the upper surface structure of the base disclosed in this embodiment;
FIG. 4 is a schematic bottom structure diagram of the base disclosed in this embodiment;
fig. 5 is a schematic bottom structure diagram of the bracket disclosed in this embodiment.
In the figure: the ignition device comprises a base 1, a support 2, an outer ring fire air supply chamber 3, an inner ring fire air supply chamber 4, an outer ring conveying channel 3-1, an inner ring conveying channel 4-1, an outer ring fire distributing cover 5, an inner ring fire distributing cover 6, an inner ring fire gas channel 7, an outer ring fire gas channel 8, an ignition needle mounting seat 9, a thermocouple mounting seat 10, a positioning step 11, an ignition needle mounting through hole 12, a thermocouple mounting through hole 13, a positioning concave ring 14, a positioning column 15, an inner ring fire nozzle 16 and an outer ring fire nozzle 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1-5, an embodiment of the present invention is shown: a low-resistance upper air inlet burner comprises a base 1 and a bracket 2, wherein the bracket 2 is fixedly connected on the base 1, an outer ring fire air supply chamber 3 and an inner ring fire air supply chamber 4 are formed above the bracket 2, an outer ring fire distributing cover 5 is covered on the outer ring fire air supply chamber 3, an inner ring fire distributing cover 6 is covered on the inner ring fire air supply chamber 4, an inner ring fire gas channel 7 and a straight-through outer ring fire gas channel 8 are arranged at the bottom of the base 1, the inner ring fire gas channel 7 is communicated with the inner ring fire air supply chamber 4, the outer ring fire gas channel 8 is communicated with the outer ring fire air supply chamber 3, an ignition needle mounting seat 9 and a thermocouple mounting seat 10 are arranged above the base 1, a positioning step 11 extending upwards is arranged above the ignition needle mounting seat 9 and the thermocouple mounting seat 10, an ignition needle mounting through hole 12 and a thermocouple mounting through hole 13 are arranged on the bracket 2, two positioning concave rings 14 matched with the positioning steps 11 are arranged at the bottom of the support 2, and the two positioning concave rings 14 are respectively positioned below the ignition needle mounting through hole 12 and the thermocouple mounting through hole 13.
This structural arrangement has the following technical advantages: 1. the original ignition needle mounting seat 9 and thermocouple mounting seat 10 are provided with positioning steps 11 extending upwards, then positioning concave rings 14 matched with the positioning steps 11 are arranged below the support 2, the support 2 is ensured to be placed on the base 1, in order to ensure accurate positioning, the positioning can be realized by directly inserting the positioning steps 11 into the corresponding positioning concave rings 14, and each gas port is ensured to be aligned and further placed and mounted; 2. in addition, the outer ring fire gas channel 8 is directly set to be a straight-through structure, so that the flowing resistance is reduced when the gas is introduced, and the gas flows more smoothly.
In order to improve the stability when placing, three positioning columns 15 are annularly arranged below the base 1.
Preferably, an inner ring fire nozzle 16 and an outer ring fire nozzle 17 are provided above the base 1, one end of the inner ring fire nozzle 16 communicates with the inner ring fire gas passage 7, the other end of the inner ring fire nozzle 16 communicates with the inner ring fire gas supply chamber 4, one end of the outer ring fire nozzle 17 communicates with the outer ring fire gas passage 8, the other end of the outer ring fire nozzle 17 communicates with the outer ring fire gas supply chamber 3, two outer ring transfer passages 3-1 communicating with the outer ring fire gas supply chamber 3 are provided below the holder 2, the outer ring transfer passages 3-1 are respectively connected to the two outer ring fire nozzles 17 on the base 1, an inner ring transfer passage 4-1 communicating with the inner ring fire gas supply chamber 4 is provided below the holder 2, and the inner ring transfer passage 4-1 communicates with the inner ring fire nozzle 16 on the base 1.
In order to facilitate installation, a limiting groove 11-1 for fixing a thermocouple is arranged in the positioning step 11 above the thermocouple installation seat 10, the thermocouple is inserted into the thermocouple installation seat 10 during installation, and a table top above the thermocouple is guaranteed to be exactly clamped in the limiting groove 11-1, so that the thermocouple is fixed.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The utility model provides a combustor of intaking in low-resistance, includes base (1) and support (2), support (2) fixed connection is on base (1), is formed with outer ring fire air supply room (3) and inner ring fire air supply room (4) in the top of support (2), and the outer ring fire is equipped with on outer ring fire air supply room (3) upper cover and outer ring fire divides fire lid (5), and inner ring fire air supply room (4) upper cover is equipped with inner ring fire and divides fire lid (6), its characterized in that: an inner ring fire gas channel (7) and a straight-through outer ring fire gas channel (8) are arranged at the bottom of the base (1), the inner ring fire gas channel (7) is communicated with the inner ring fire gas supply chamber (4), the outer ring fire gas channel (8) is communicated with the outer ring fire gas supply chamber (3), an ignition needle mounting seat (9) and a thermocouple mounting seat (10) are arranged above the base (1), a positioning step (11) extending upwards is arranged above the ignition needle mounting seat (9) and the thermocouple mounting seat (10), an ignition needle mounting through hole (12) and a thermocouple mounting through hole (13) are arranged on the bracket (2), two positioning concave rings (14) matched with the positioning steps (11) are arranged at the bottom of the support (2), and the two positioning concave rings (14) are respectively positioned below the ignition needle mounting through hole (12) and the thermocouple mounting through hole (13).
2. A low drag upper inlet air burner as claimed in claim 1, wherein: three positioning columns (15) are annularly arranged below the base (1).
3. A low drag upper inlet air burner as claimed in claim 1, wherein: an inner ring fire nozzle (16) and an outer ring fire nozzle (17) are arranged above the base (1), one end of the inner ring fire nozzle (16) is communicated with the inner ring fire gas channel (7), the other end of the inner ring fire nozzle (16) is communicated with the inner ring fire gas supply chamber (4), one end of the outer ring fire nozzle (17) is communicated with the outer ring fire gas channel (8), and the other end of the outer ring fire nozzle (17) is communicated with the outer ring fire gas supply chamber (3).
4. A low drag upper inlet air burner as claimed in claim 1, wherein: a limiting groove (11-1) for fixing the thermocouple is arranged in the positioning step (11) above the thermocouple mounting seat (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122830305.3U CN216384164U (en) | 2021-11-18 | 2021-11-18 | Low-resistance upper air inlet burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122830305.3U CN216384164U (en) | 2021-11-18 | 2021-11-18 | Low-resistance upper air inlet burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216384164U true CN216384164U (en) | 2022-04-26 |
Family
ID=81254291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122830305.3U Active CN216384164U (en) | 2021-11-18 | 2021-11-18 | Low-resistance upper air inlet burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216384164U (en) |
-
2021
- 2021-11-18 CN CN202122830305.3U patent/CN216384164U/en active Active
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