CN113251417A

CN113251417A - Burner for gas stove

Info

Publication number: CN113251417A
Application number: CN202110590065.6A
Authority: CN
Inventors: 罗峰; 蔡升; 梁炜铧
Original assignee: ZHONGSHAN INSE GROUP CO Ltd
Current assignee: ZHONGSHAN INSE GROUP CO Ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-08-13

Abstract

The invention discloses a burner for a gas stove, comprising a burner head, a fire distributor is arranged on the burner head, an inner ring fire cover and an outer ring fire cover are arranged on the fire distributor, and the inner ring fire cover is arranged on the burner. An inner ring gas mixing chamber is formed between the cover and the fire distributor, an outer ring gas mixing chamber is formed between the outer ring fire cover and the fire distributor, and an upper end open is provided between the inner ring gas mixing chamber and the outer ring gas mixing chamber. There are several first air supply channels and second air supply channels that communicate with the air supply cavity and the outside world, and the first air supply channel is passed through the outer wall of the outer ring gas mixing chamber. The tunnel passes through the outer ring gas mixing chamber to the gas supply cavity, and the second gas supply channel is a tunnel that passes through the middle part of the furnace head and the middle part of the fire distributor in order from the bottom of the burner head and passes through the inner ring gas mixing chamber to the gas supply cavity. aisle. The utility model has the advantages of uniform mixing of gas and air, sufficient combustion, easy cleaning, and convenient disassembly and assembly.

Description

Burner for gas stove

Technical Field

The invention relates to the technical field of gas cookers, in particular to a burner for a gas cooker.

Background

Because casting production efficiency is low and not environmental protection, more and more gas-cooker products adopt the die-casting aluminium furnace end of full air inlet now, and the aluminium furnace end of full air inlet has the gas and mixes inhomogeneous, difficult clean, inconvenient dismouting scheduling problem to lead to the flue gas to be high, production efficiency low grade problem, also not solved the consumers completely and irritate the point.

The existing full-air-inlet aluminum furnace head mainly has three structures, one of which is similar to a structure of a combustion assembly with a premixing cavity in a utility model CN209042340U, and three-channel air passages, wherein one air passage is directly communicated with an outer ring injection pipe, so that the gas pressure of each passage is different, the flame length is uneven, and in addition, a fixed water disc screw is exposed outside, is not easy to clean, is easy to rust and affects the appearance; the second similar utility model patent CN 209991494U, "a dry burning prevention reinforced hybrid furnace end", is formed by gravity casting, the screw for fixing the water tray is exposed outside, the problem of difficult cleaning is not solved, in addition, the production efficiency of the process is low, the qualification rate is low, and the cost is high; another is the invention patent CN 111256135 a "a burner for gas range", the burner is divided into two parts and connected together by screws, because the burner is locked by screws, it is not convenient for daily cleaning, and the sealing is mainly realized by locking force, because the material expands with heat and contracts with cold, the screws are easy to loosen, thereby generating air leakage, in addition, when cleaning the burner, the screws need to be removed, which is inconvenient.

The present invention has been made based on such a situation.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide the burner for the gas stove, which has the advantages of uniform mixing of gas and air, full combustion, easy cleaning and convenient disassembly and assembly.

The invention is realized by the following technical scheme:

the utility model provides a combustor for gas-cooker, includes the furnace end, be equipped with the distributor on the furnace end, be equipped with inner ring fire lid and outer loop fire lid on the distributor, form inner ring gas mixing chamber between inner ring fire lid and the distributor, form outer loop gas mixing chamber between outer loop fire lid and the distributor, be equipped with the open benefit air cavity in upper end between inner ring gas mixing chamber and the outer loop gas mixing chamber, be equipped with a plurality of intercommunication benefit air cavity and external first tonifying qi passageway and second tonifying qi passageway on the distributor, first tonifying qi passageway passes the tunnel that outer loop gas mixing chamber link up the benefit air cavity for the lateral wall from outer loop gas mixing chamber, the second tonifying qi passageway is for from furnace end down direction in proper order through furnace end middle part and distributor middle part and pass the inner ring gas mixing chamber and link up the passageway in benefit air cavity.

The burner for the gas stove comprises a burner body, wherein a first air supplementing hole is formed in the middle of the burner body, the first air supplementing hole is communicated with the burner body from top to bottom, a second air supplementing hole is formed in the middle of the distributor body, the second air supplementing hole can be connected with and communicated with the first air supplementing hole in a butt joint mode, an air supplementing tunnel penetrating through an inner ring air mixing chamber and communicating the second air supplementing hole with the air supplementing cavity is formed between the upper portion of the second air supplementing hole and the air supplementing cavity, and a second air supplementing channel is formed by the first air supplementing hole, the second air supplementing hole and the air supplementing tunnel.

According to the burner for the gas stove, the second air supply hole is a through hole which penetrates through the distributor in the vertical direction.

According to the burner for the gas stove, the anti-dry heating sensor is arranged in the middle of the stove head and penetrates through the first air supply hole and the second air supply hole, and the sensor support capable of being fixed on the stove head is arranged on the anti-dry heating sensor.

According to the burner for the gas stove, two air supply pipelines are arranged on the stove head and respectively comprise an inner ring air flow channel and an outer ring air flow channel, the inner ring air flow channel is communicated with the inner ring air mixing chamber, and the outer ring air flow channel is communicated with the outer ring air mixing chamber.

The burner for the gas stove is characterized in that the distributor is detachably connected with the burner.

According to the burner for the gas stove, the lower portion of the distributor is provided with the plurality of annular first bosses, the upper portion of the burner is respectively provided with the annular second bosses corresponding to the first bosses, the first bosses are clamped into the grooves formed by the corresponding second bosses in an enclosing mode, and the side walls of the first bosses are in sealing fit with the side walls of the second bosses.

According to the burner for the gas stove, a plurality of inner ring gas outlets communicated with the inner ring gas mixing chamber and the inner ring gas flow channel are circumferentially distributed at intervals at the bottom of the inner ring gas mixing chamber, and a plurality of outer ring gas outlets communicated with the outer ring gas mixing chamber and the outer ring gas flow channel are circumferentially distributed at intervals at the bottom of the outer ring gas mixing chamber.

The burner for the gas stove comprises a burner body, wherein a plurality of screw seats are arranged at the circumferential interval of the edge of the upper portion of the burner body, a liquid containing disc is sleeved on the upper portion of the burner body and placed on the screw seats, screws for fastening the liquid containing disc are arranged on the screw seats, the outer diameter of a distributor is larger than or equal to the diameter of a circle enclosed by the centers of the screws, and the distributor covers the screws from the upper side.

According to the burner for the gas stove, the burner head is further provided with the ignition needle and the thermocouple, and the ignition needle and the thermocouple penetrate through the distributor upwards to reach the inner ring fire cover and the outer ring fire cover.

Compared with the prior art, the invention has the following advantages:

1. the gas channel is reasonably distributed, the gas channel is provided with a first gas supplementing channel and a second gas supplementing channel, the first gas supplementing channel guides air on the side surface of the distributor to the gas supplementing cavity, the second gas supplementing channel guides air below the burner to the gas supplementing cavity, and the gas supplementing cavity respectively supplements air for gas coming out of the inner ring fire cover and the outer ring fire cover, so that more supplementary air is supplied, and the gas is favorably and fully combusted. And the first air supply channel and the second air supply channel are communicated with the air supply cavity, and the upper end of the air supply cavity is opened, so that the air inside and outside the distributor forms a convection channel, and in addition, the convection type oxygen supply is realized, the air supply is more, the combustion is more sufficient, and the requirement of large heat load on the air content is fully met. The air flow resistance can be effectively reduced, the injection resistance and the energy loss are reduced, the combustion is more sufficient, and the large heat load and the high energy efficiency are considered.

2. The second air supply hole is a through hole which penetrates through the distributor in the vertical direction, and the dry burning prevention sensor can be arranged in the middle of the furnace end. The invention can derive the conventional burner and the dry combustion preventing burner, shares one set of mould, has strong universality, saves the mould cost and is beneficial to batch manufacturing.

3. The end face insertion and radial friction fit is adopted for the furnace end and the distributor, and the end face insertion and radial friction fit is characterized in that: the first bosses are clamped into the grooves defined by the corresponding second bosses, or the second bosses are clamped into the grooves defined by the corresponding first bosses, and the side walls of the first bosses and the side walls of the second bosses are sealed through friction force. Like this, the terminal surface top of first boss has been in the furnace end top surface, and the terminal surface top of second boss has also been sealed in distributor bottom surface, between the lateral wall of first boss and the lateral wall of second boss, total triple seal, and is sealed effectual, is difficult to the gas leakage. In addition, the matching is convenient to disassemble and assemble, and the distributor can be directly lifted upwards during disassembling; on the other hand, the sealing device has the advantage of stable sealing performance, and even if metal expands with heat and contracts with cold in a high-temperature environment, the air leakage problem cannot occur due to the matching of the three seals.

4. The liquid containing disc is fixed on the furnace head through the screws, the distributor is placed on the furnace head, the screws are completely shielded by the distributor, the disassembly and the assembly are not influenced, and the liquid containing disc is convenient to clean and attractive. The furnace end, the distributor and the liquid containing disc are perfectly matched, and the screw shielding type design is adopted, so that the defects of cleaning dead angles and influence on attractiveness caused by exposed screws are overcome.

Drawings

The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an exploded view of an embodiment of the present invention;

FIG. 3 is a cross-sectional view of an embodiment of the present invention;

FIG. 4 is a perspective view of the fire divider of the present invention;

FIG. 5 is a cross-sectional view of a second embodiment of the present invention (the fire-surrounding lid and the liquid-containing tray are not shown);

fig. 6 is an exploded view of the second embodiment of the present invention (the fire-surrounding cover and the liquid-containing tray are not shown).

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1 to 6, the burner for the gas stove comprises a burner 1, a distributor 2 is arranged on the burner 1, an inner ring fire cover 3 and an outer ring fire cover 4 are arranged on the fire distributor 2, an inner ring gas mixing chamber 21 is formed between the inner ring fire cover 3 and the fire distributor 2, an outer ring gas mixing chamber 22 is formed between the outer ring fire cover 4 and the fire distributor 2, a gas supplementing cavity 23 with an open upper end is arranged between the inner ring gas mixing chamber 21 and the outer ring gas mixing chamber 22, a plurality of first air supply channels 24 and second air supply channels 25 which are communicated with the air supply cavity 23 and the outside are arranged on the fire distributor 2, the first air supply channel 24 is a tunnel penetrating from the outer side wall of the outer ring air mixing chamber 22 to the air supply cavity 23 through the outer ring air mixing chamber 22, the second air supply channel 25 is a channel which sequentially passes through the middle part of the furnace end 1 and the middle part of the distributor 2 from the lower part of the furnace end 1 and penetrates through the inner ring air mixing chamber 21 to penetrate through the air supply cavity 23.

The air passages are reasonably distributed and are provided with a first air supplementing passage 24 and a second air supplementing passage 25, the first air supplementing passage 24 guides air on the side surface of the distributor 2 to the air supplementing cavity 23, the second air supplementing passage 25 guides air below the burner 1 to the air supplementing cavity 23, and the air supplementing cavity 23 respectively supplements air for fuel gas discharged from the inner ring fire cover 3 and the outer ring fire cover 4, so that more supplementary air is supplied, and the fuel gas is favorably and fully combusted. And the first air supply channel 24 and the second air supply channel 25 are communicated with the air supply cavity 23, and the upper end of the air supply cavity 23 is opened, so that the air inside and outside the distributor 2 forms a convection channel, and in addition, the convection type oxygen supply is realized, the air supply is more, the combustion is more sufficient, and the requirement of large heat load on the air content is fully met. The air flow resistance can be effectively reduced, the injection resistance and the energy loss are reduced, the combustion is more sufficient, and the large heat load and the high energy efficiency are considered.

Specifically, as shown in fig. 1 to 6, a first air supply hole 11 penetrating through the top and bottom is formed in the middle of the burner 1, a second air supply hole 251 capable of being butted and communicated with the first air supply hole 11 is formed in the middle of the distributor 2, an air supply tunnel 252 penetrating through the inner ring air mixing chamber 21 and penetrating through the second air supply hole 251 and the air supply cavity 23 is formed between the upper portion of the second air supply hole 251 and the air supply cavity 23, and the first air supply hole 11, the second air supply hole 251 and the air supply tunnel 252 constitute a second air supply channel 25. That is, the air below the burner 1 can sequentially pass through the first air supplement hole 11 in the middle of the burner 1, the second air supplement hole 251 in the middle of the distributor 2, and the air supplement tunnel 252 to reach the air supplement chamber 23, and the air supplement is more.

Fig. 1-4 show a first embodiment of the present invention. The second embodiment shown in fig. 5-6 is different from the first embodiment in that: the second air supply hole 251 is a through hole which penetrates through the distributor 2 in the vertical direction, the dry burning prevention sensor 5 is arranged in the middle of the furnace end 1, the dry burning prevention sensor 5 is arranged in the first air supply hole 11 and the second air supply hole 251 in a penetrating mode, and the dry burning prevention sensor 5 is provided with a sensor support 51 which can be fixed on the furnace end 1. That is, the second embodiment has more dry burning prevention sensors 5 than the first embodiment, that is, the dry burning prevention burner of the second embodiment and the conventional burner of the first embodiment can be derived, and the dry burning prevention burner of the first embodiment shares one set of mold, so that the universality is strong, the mold cost is saved, and the batch manufacturing is facilitated.

Specifically, as shown in fig. 1 to 6, two air supply pipelines are arranged on the furnace end 1, which are respectively an inner ring air flow channel 12 and an outer ring air flow channel 13, the inner ring air flow channel 12 is communicated with an inner ring air mixing chamber 21, the outer ring air flow channel 13 is communicated with an outer ring air mixing chamber 22, and the fuel gas is uniformly distributed, so that the uniform combustion is facilitated.

Specifically, as shown in fig. 1 to 6, the distributor 2 is detachably connected with the furnace head 1. The distributor 2 is convenient to disassemble, assemble and replace, is beneficial to cleaning and is beneficial to production and manufacturing.

Specifically, as shown in fig. 1 to 6, a plurality of annular first bosses 26 are arranged at the lower part of the distributor 2, annular second bosses 14 corresponding to the first bosses 26 are respectively arranged at the upper part of the burner 1, the first bosses 26 are clamped into grooves defined by the corresponding second bosses 14, and the side walls of the first bosses 26 and the side walls of the second bosses 14 are in sealing fit with each other. That is, the end face insertion and radial friction fit is adopted for the furnace end 1 and the distributor 2, and the end face insertion and radial friction fit means that: the first bosses 26 are clamped into the grooves defined by the corresponding second bosses 14, or the second bosses 14 are clamped into the grooves defined by the corresponding first bosses 26, and the side walls of the first bosses 26 and the side walls of the second bosses 14 are sealed by friction. Like this, the terminal surface top of first boss 26 has been in furnace end 1 top surface, and the terminal surface top of second boss 14 has been in distributor 2 bottom surface, also is sealed between the lateral wall of first boss 26 and the lateral wall of second boss 14, totally triple seal, and is sealed effectual, is difficult to the gas leakage. In addition, the matching is convenient to disassemble and assemble on one hand, and the distributor 2 can be directly lifted upwards when the distributor is disassembled; on the other hand, the sealing device has the advantage of stable sealing performance, and even if metal expands with heat and contracts with cold in a high-temperature environment, the air leakage problem cannot occur due to the matching of the three seals.

Of course, the matching between the inner ring fire cover 3 and the distributor 2 and the matching between the outer ring fire cover 4 and the distributor 2 are also the matching of adopting the end surface insertion and radial friction.

Specifically, as shown in fig. 1 to 6, a plurality of inner ring air outlets 211 communicating the inner ring air mixing chamber 21 and the inner ring air flow channel 12 are circumferentially distributed at intervals at the bottom of the inner ring air mixing chamber 21, and a plurality of outer ring air outlets 221 communicating the outer ring air mixing chamber 22 and the outer ring air flow channel 13 are circumferentially distributed at intervals at the bottom of the outer ring air mixing chamber 22. Preferably, the fire distributor 2 comprises 8 air outlets, 4 of which are inner ring air outlets 211 and are circumferentially and uniformly distributed in the inner ring air mixing chamber 21 at intervals; the other 4 are outer ring air outlets 221 which are circumferentially and uniformly distributed at the bottom of the outer ring air mixing chamber 22 at intervals, a first air supply channel 24 is arranged between every two outer ring air outlets 221, and an air supply tunnel 252 of a second air supply channel 25 is arranged between every two inner ring air outlets 211. That is, the total number of the first air supply channels 24 and the air supply tunnels 252 is 8, and secondary air is respectively supplied to the inner ring fire cover 3 and the outer ring fire cover 4, so that the full combustion of gas is facilitated. Such air flue distributes rationally, guarantees that inner ring fire lid 3 and outer ring fire lid 4 department gas pressure and speed difference are little, and flame is even, makes the burning more abundant, and CO discharges lowerly, realizes big thermal load and high-efficient burning.

Specifically, as shown in fig. 1 to 6, the edge circumference interval on furnace end 1 upper portion is equipped with a plurality of

screw seats

15, 1 upper portion cover of furnace end is equipped with flourishing liquid dish 6, just flourishing liquid dish 6 is placed on screw seat 15, be equipped with the screw 151 of the flourishing liquid dish 6 of fastening on screw seat 15, just 2 external diameters of distributor are more than or equal to the diameter of the circle that the screw 151 center encloses, distributor 2 covers screw 151 from the top. The liquid containing disc 6 is fixed on the furnace end 1 through the screw 151, the distributor 2 is placed on the furnace end 1, the screw 151 is completely covered by the distributor 2 without influencing the disassembly and assembly, and the liquid containing disc is convenient to clean and attractive. The furnace end 1, the distributor 2 and the liquid containing disc 6 are perfectly matched, and the design of screw shielding type is adopted, so that the defects of cleaning dead angle and influence on beauty caused by exposed screws 151 are overcome.

Specifically, as shown in fig. 1 to 6, an ignition needle 7 and a thermocouple 8 which upwardly penetrate through the distributor 2 to reach the inner ring fire cover 3 and the outer ring fire cover 4 are further arranged on the burner 1, so that the structure is simple and the assembly is easy.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit 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

1. A burner for a gas cooker, characterized in that: including furnace end (1), be equipped with distributor (2) on furnace end (1), be equipped with inner ring fire lid (3) and outer loop fire lid (4) on distributor (2), form inner ring gas mixing chamber (21) between inner ring fire lid (3) and distributor (2), form outer loop gas mixing chamber (22) between outer loop fire lid (4) and distributor (2), be equipped with upper end open tonifying qi chamber (23) between inner ring gas mixing chamber (21) and outer loop gas mixing chamber (22), be equipped with a plurality of intercommunication tonifying qi chambers (23) and external first tonifying qi passageway (24) and second tonifying qi passageway (25) on distributor (2), first tonifying qi passageway (24) pass outer loop gas mixing chamber (22) for the lateral wall from outer loop gas mixing chamber (22) and link up the tunnel of tonifying qi chamber (23), second tonifying qi passageway (25) are from furnace end (1) down direction in proper order through furnace end (1) middle part and distributor (2) middle part and pass inner ring gas mixing chamber (2) in proper order 21) A channel penetrating to the air supply cavity (23).

2. Burner for gas cooktops, according to claim 1, characterized in that: the burner is characterized in that a first air supplement hole (11) penetrating through the burner (1) from top to bottom is formed in the middle of the burner (1), a second air supplement hole (251) capable of being in butt joint with and communicated with the first air supplement hole (11) is formed in the middle of the distributor (2), an air supplement tunnel (252) penetrating through the inner ring air mixing chamber (21) and penetrating through the second air supplement hole (251) and the air supplement cavity (23) is formed between the upper portion of the second air supplement hole (251) and the air supplement cavity (23), and a second air supplement channel (25) is formed by the first air supplement hole (11), the second air supplement hole (251) and the air supplement tunnel (252).

3. Burner for gas cooktops, according to claim 2, characterized in that: the second air supply hole (251) is a through hole which penetrates through the distributor (2) in the vertical direction.

4. Burner for gas cooktops, according to claim 3, characterized in that: the anti-dry heating device is characterized in that an anti-dry heating sensor (5) is arranged in the middle of the furnace end (1), the anti-dry heating sensor (5) is arranged in the first air supplementing hole (11) and the second air supplementing hole (251) in a penetrating mode, and a sensor support (51) capable of being fixed on the furnace end (1) is arranged on the anti-dry heating sensor (5).

5. Burner for gas cooktops, according to claim 1, characterized in that: the burner (1) is provided with two air supply pipelines which are respectively an inner ring air flow channel (12) and an outer ring air flow channel (13), the inner ring air flow channel (12) is communicated with an inner ring air mixing chamber (21), and the outer ring air flow channel (13) is communicated with an outer ring air mixing chamber (22).

6. Burner for gas cooktops, according to claim 5, characterized in that: the distributor (2) is detachably connected with the furnace end (1).

7. Burner for gas cooktops, according to claim 6, characterized in that: distributor (2) lower part is equipped with a plurality of annular first bosss (26), furnace end (1) upper portion is equipped with annular second boss (14) that correspond first boss (26) respectively, the inslot that corresponding second boss (14) enclose is gone into to first boss (26) card, just sealed cooperation between the lateral wall of first boss (26) and the lateral wall of second boss (14).

8. Burner for gas cooktops, according to claim 5, characterized in that: the inner ring air mixing chamber is characterized in that a plurality of inner ring air outlets (211) communicated with the inner ring air mixing chamber (21) and the inner ring air flow channel (12) are circumferentially distributed at intervals at the bottom of the inner ring air mixing chamber (21), and a plurality of outer ring air outlets (221) communicated with the outer ring air mixing chamber (22) and the outer ring air flow channel (13) are circumferentially distributed at intervals at the bottom of the outer ring air mixing chamber (22).

9. Burner for gas cooktops, according to claim 5, characterized in that: furnace end (1) upper portion edge circumference interval is equipped with a plurality of screw seats (15), furnace end (1) upper portion cover is equipped with flourishing liquid dish (6), just flourishing liquid dish (6) are placed on screw seat (15), be equipped with screw (151) of the flourishing liquid dish of fastening (6) on screw seat (15), just distributor (2) external diameter is greater than or equal to the diameter of the circle that screw (151) center encloses, distributor (2) cover screw (151) from the higher authority.

10. Burner for gas cooktops according to any one of claims 1 to 9, characterized in that: the furnace end (1) is also provided with an ignition needle (7) and a thermocouple (8) which upwards penetrate through the distributor (2) and reach the inner ring fire cover (3) and the outer ring fire cover (4).