CN217057535U

CN217057535U - Burner fire cover

Info

Publication number: CN217057535U
Application number: CN202123390900.6U
Authority: CN
Inventors: 何永军; 裘怡雪
Original assignee: Zhejiang Zhongran Energy Saving Technology Co ltd
Current assignee: Zhejiang Zhongran Energy Saving Technology Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-07-26
Anticipated expiration: 2031-12-24

Abstract

The technical scheme of the utility model discloses a combustor fire lid, include: the fire cover comprises a base, a fire cover shell assembly and a fire cover shell, wherein the base is provided with a through hole and an air inlet, the fire cover shell assembly is arranged annularly, a plurality of guide grooves are formed in the fire cover shell assembly and are arranged along the circumferential direction of the fire cover shell assembly, and the fire cover shell assembly is arranged on the base; the utility model discloses a fire lid, including fire lid upper cover subassembly, fire lid upper cover subassembly sets up on the base, fire lid upper cover subassembly is kept away from the one end of base with form the burning passageway between a plurality of guide ways, fire lid upper cover subassembly with the base with fire lid casing subassembly forms the cavity, the cavity with burning passageway intercommunication, the air inlet with the cavity intercommunication, fire lid upper cover subassembly is equipped with many air guide channels, many air guide channel one end with the cavity intercommunication, the other end is used for with external intercommunication. More fuel gas and air form mixed gas, so that the fuel gas is fully combusted.

Description

Burner fire cover

Technical Field

The utility model relates to the field of household appliances, in particular to a burner fire cover.

Background

The gas stove is a kitchen utensil which is heated by direct fire with gas fuel such as liquefied petroleum gas, artificial gas, natural gas and the like. When the gas stove works, gas enters the stove from the gas inlet pipe, enters the stove head through the adjustment of the gas valve (adjusted by a user through a knob), and simultaneously mixes a part of air (the part of air is called as primary air), the mixed gas is sprayed out from the fire hole of the fire cover and is ignited by the ignition device to form flames (air required during combustion is called as secondary air), and the flames are used for heating cookers on the pot support. With the continuous development of times, the gas stove has become an indispensable kitchen electrical product in people's life. However, in the existing market products, the fire cover of the gas stove is often single in structure, and the formed flame is usually only towards the outside, so that the cooker needing to be heated is heated unevenly, and the use efficiency of the gas is reduced; simultaneously, the mist from fire lid spun does not intersect, can not the multi-angle form three-dimensional flame, and the unable abundant burning of gas cooks the effect not good to can produce harmful gas such as carbon monoxide, produce the potential safety hazard. Therefore, the design of a novel efficient energy-saving gas stove three-dimensional fire cover device becomes a problem which needs to be solved urgently.

SUMMERY OF THE UTILITY MODEL

Therefore, a burner fire cover is needed to solve the problems that the gas of a burner stove is not sufficiently combusted and the like.

The technical scheme of the utility model discloses a combustor fire lid, include: the fire cover comprises a base, a fire cover shell assembly and a fire cover shell, wherein the base is provided with a through hole and an air inlet, the fire cover shell assembly is arranged annularly, a plurality of guide grooves are formed in the fire cover shell assembly and are arranged along the circumferential direction of the fire cover shell assembly, and the fire cover shell assembly is arranged on the base; the fire covers the upper cover subassembly, the fire covers the upper cover subassembly and sets up on the base, the fire covers the upper cover subassembly and keeps away from the one end of base with form the burning passageway between a plurality of guide ways, the fire cover the upper cover subassembly with the base with the fire covers the casing subassembly and forms the cavity, the cavity with burning passageway intercommunication, the air inlet with the cavity intercommunication, the fire covers and is equipped with many air guide channels on the upper cover subassembly, many air guide channel one end with the cavity intercommunication, the other end is used for with external intercommunication.

The technical scheme of the utility model discloses a burner fire cover, the cavity formed by the upper cover assembly of the fire cover, the base and the shell assembly of the fire cover is used for conveying fuel gas, and then the fuel gas and air can be better premixed in advance through the cavity and the combustion channel, the mixing degree is improved, thereby the combustion efficiency of mixed gas can be improved, meanwhile, the air circulation can be better ensured, the burner can be more fully combusted, the combustion efficiency is better improved, a plurality of air guide channels on the upper cover assembly of the fire cover are communicated with the cavity by one end and the outside by the other end, thereby being beneficial to the secondary air supplement of the burner fire cover, more fuel gas and air form mixed gas, the use efficiency of the fuel gas is further better improved, the fuel gas is more fully combusted, the combustion efficiency is improved, meanwhile, cookers needing to be heated can be uniformly heated, the cooking effect is improved.

In one embodiment, the fire lid housing assembly comprises a guide plate and a housing assembly, the housing assembly is arranged around the base, the housing assembly is abutted against the outer side wall of the base, the guide plate is arranged around the housing assembly, the guide plate extends towards the inner side of the housing assembly, and the included angle between the guide plate and the housing assembly is 20-70 degrees. Shell subassembly sets up on the base, be for better and pedestal mounting, prevent to appear in the use that pine takes off the phenomenon such as, the deflector orientation shell subassembly is inboard, messenger that can be better increases gas and air at the circulation of burning passageway to make the more abundant burning of gas, and extend the angle 20 ~ 70 that has set up deflector and shell subassembly, can avoid in the combustion process, can make flame orientation inequality, consequently avoided the interference between the flame, promoted combustion efficiency.

In one embodiment, the angle between the shell component and the horizontal plane is 70-90 degrees. The arrangement of the included angle of 70-90 degrees between the shell component and the horizontal plane is used for better installing the burner fire cover on the burner.

In one embodiment, the ratio of the width of the guide plate to the outer diameter of the guide plate is 2 mm-10 mm. In the combustion process, the width that has set up the deflector is 2mm ~ 10mm with the external diameter ratio of deflector, can avoid the combustion process, can make flame orientation all inequality, consequently avoided the interference between the flame, better promotion combustion efficiency.

In one embodiment, the guide plate is provided with the guide groove, the size of the guide groove is 1 mm-4 mm, the guide groove is provided with a plurality of combustion holes, the plurality of combustion holes are arranged along the circumferential direction of the guide plate, and the cavity is communicated with the outside through the combustion holes. Set up the guide way on the deflector, can have more air currents to get into combustion channel, not only can avoid two adjacent through-holes to lead to passing the problem that efficiency reduces because of the interval is too big to make to pass the fire speed faster, can make the air in combustion gap obtain more replenishment simultaneously, thereby the stability of assurance burning that can be better and improve combustion efficiency.

In one embodiment, the fire lid upper cover subassembly includes fire lid upper cover body and first air guide, the fire lid upper cover body is cyclic annularly and sets up on the base, first air guide sets up on the fire lid upper cover body, first air guide is located the fire lid upper cover body is kept away from one side of base, first air guide along the circumference of fire lid upper cover body sets up, and extends to at least the shell subassembly outside is formed with the outer end, first air guide with form combustion channel between the deflector. The upper cover body of fire lid is cyclic annular, be for better and base installation, at the combustion assembly during operation, flame can lead to the burning unstability if interfering, even flame phenomenon appears, make the secondary air in combustion gap more difficult to supply, the gas is compelled to supply the secondary air to the burning more outside, make flame length increase, when serious, flame just contacts earlier with the bottom of a boiler when outer flame has not formed yet, the gas fails the complete combustion and leads to the flue gas to sharply increase and the inefficiency scheduling problem to appear, and first air guide along the circumference setting of firing the upper cover body, can make flame orientation all inequality, consequently, the interference between the flame has been avoided, combustion efficiency has been promoted.

In one embodiment, the air conditioner further comprises a second air guide member, the second air guide member is arranged on the first air guide member, and the plurality of air guide channels are formed between the second air guide member and the first air guide member. In the mist in the combustion channel entered into the air guide passageway, partial blender followed the combustion channel blowout, and the blowout direction was opposite with the mist direction from air guide passageway spun, and then formed the convection current on the horizontal direction, can make the gas can the intensive combustion, improved the culinary art effect, had better branch fire effect, improved combustion efficiency.

In one embodiment, the ratio of the length of the combustion channel to the diameter of the combustion channel is 2-3. The length that has set up combustion channel is 2 ~ 3 with combustion channel's diameter ratio, can make the gas can fully burn, has improved the culinary art effect, has improved combustion efficiency.

In one embodiment, a plurality of protrusions are formed on the second air guide, an air passing cavity is formed between the protrusions of the second air guide and the first air guide, a plurality of openings are formed on the second air guide, one opening is formed at each protrusion, the opening is located at one end, close to the upper cover body, of each protrusion, and an air outlet is formed between one end, far away from the upper cover body, of each protrusion and the first air guide. Set up a plurality of archs on the second air guide, the corresponding opening that sets up of protruding department, reposition of redundant personnel gas that can be better, the air velocity when also preventing the mist to flow combustion channel and air guide channel simultaneously is too fast, leaves the flame during the burning easily, and then makes the pilot fire of combustor unstable enough.

In one embodiment, the distance between the first air guide piece and the guide plate is 0-2 mm. The interval that has set up between first air guide and the deflector is 0mm ~ 2mm, and the steady flame effect is better, can make the gas can fully burn, has improved the culinary art effect, has improved combustion efficiency.

In one embodiment, the included angle between the first air guide piece and the upper fire cover body is 100-180 degrees. The included angle that has set up between first air guide and the fire lid upper cover body is 100 ~ 180, and the steady flame effect is better, can make the gas can fully burn, has improved the culinary art effect, has improved combustion efficiency.

Drawings

FIG. 1 is an overall schematic view of a burner cap;

FIG. 2 is a schematic view of a burner cap base;

FIG. 3 is a schematic view of a burner cap housing assembly;

FIG. 4 is a schematic view of a burner cap upper cover assembly;

FIG. 5 is a schematic view of a second air guide of the burner;

FIG. 6 is an exploded schematic view of a burner fire cover.

Wherein, the corresponding relation between the reference signs and the component names is as follows:

1, a base, 11 through holes and 12 air inlets;

2 fire cover shell component, 21 guide groove, 22 guide plate, 23 shell component;

3 fire lid upper cover subassembly, 31 fire lid upper cover body, 32 first air guide, 33 second air guide.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the description of the present invention, it should be understood that the directional descriptions, such as the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.

In the description of the present invention, a plurality of meanings are one or more, a plurality of meanings are two or more, and the terms greater than, smaller than, exceeding, etc. are understood as excluding the number, and the terms greater than, lower than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

Some embodiments of the present invention are described below with reference to fig. 1-6, which illustrate a combustion assembly and burner assembly.

As shown in fig. 1 to fig. 6, an embodiment of the present invention discloses a burner fire cover, including: the fire cover comprises a base 1, a through hole 11 and an air inlet 12 are formed in the base 1, a fire cover shell assembly 2 is arranged, the fire cover shell assembly 2 is arranged in an annular shape, a plurality of guide grooves 21 are formed in the fire cover shell assembly 2, the plurality of guide grooves 21 are circumferentially arranged along the fire cover shell assembly 2, and the fire cover shell assembly 2 is arranged on the base 1; lid upper cover subassembly 3, lid upper cover subassembly 3 sets up on base 1, lid upper cover subassembly 3 forms the burning passageway between one end and a plurality of guide way 2 that base 1 was kept away from to the fire, lid upper cover subassembly 3 and base 1 and fire lid housing assembly 2 formation cavity are covered to the fire, cavity and burning passageway intercommunication, air inlet 12 and cavity intercommunication, be equipped with many air guide channels on lid upper cover subassembly 3 to the fire, many air guide channel one end and cavity intercommunication, the other end is used for with external intercommunication.

The technical scheme of the utility model discloses a burner fire cover, the cavity formed by the upper cover assembly 3 of the fire cover, the base 1 and the shell assembly 2 of the fire cover is used for conveying fuel gas, and then the fuel gas and air can be better premixed through the cavity and the combustion channel, the mixing degree is improved, thereby the combustion efficiency of mixed gas can be improved, meanwhile, the air circulation can be better ensured, the burner can be more fully combusted, the combustion efficiency is better improved, a plurality of air guide channels on the upper cover assembly 3 of the fire cover are communicated with the cavity by one end and the other end is communicated with the outside, thereby being beneficial to the secondary air supplement of the fire cover of the burner, more fuel gas and air form mixed gas, the use efficiency of the fuel gas is further better improved, the fuel gas is more fully combusted, the combustion efficiency is improved, simultaneously, cookers needing to be heated uniformly, the cooking effect is improved.

As shown in fig. 1 to 3, in addition to the features of the above embodiment, the present embodiment further defines: fire lid casing subassembly 2 includes deflector 22 and shell subassembly 23, and shell subassembly 23 encircles base 1 and sets up, and shell subassembly 23 and base 2 lateral wall are inconsistent, and deflector 12 encircles and sets up on shell subassembly 23, and deflector 22 extends towards shell subassembly 23 inboard, and the contained angle of deflector 22 and shell subassembly 23 is 20 ~ 70. Shell subassembly 23 sets up on base 1, be for better and base 1 installation, prevent the phenomenon such as pine take off in the use from appearing, deflector 22 is inboard towards shell subassembly 23, the messenger that can be better increases the circulation of gas and air at combustion channel, thereby make the more abundant burning of gas, and the angle 20 ~ 70 that has extended and set up deflector 22 and shell subassembly 23, can avoid in the combustion process, can make flame orientation all inequality, consequently, the interference between the flame has been avoided, combustion efficiency has been promoted.

As shown in fig. 1 to 3, in addition to the features of the above embodiment, the present embodiment further defines: the included angle between the shell assembly 23 and the horizontal plane is 70-90 degrees. The arrangement of the housing assembly 23 at an angle of 70-90 degrees to the horizontal is for better mounting of the burner cap on the burner.

As shown in fig. 1 to 3, in addition to the features of the above embodiment, the present embodiment further defines: the ratio of the width of the guide plate 22 to the outer diameter of the guide plate 22 is 2mm to 10 mm. In the combustion process, the width that has set up deflector 22 is 2mm ~ 10mm with the external diameter ratio of deflector 22, can avoid in the combustion process, can make flame orientation inequality, has consequently avoided the interference between the flame, better promotion combustion efficiency.

As shown in fig. 1 to 3, in addition to the features of the above embodiment, the present embodiment further defines: be equipped with guide way 21 on the deflector 22, the size of a dimension of guide way 21 is 1mm ~ 4mm, is provided with the burner port on the guide way 21, and the quantity of burner port is a plurality of, and a plurality of burner ports set up along deflector 22's circumference, and the cavity is through burner port and external intercommunication. Set up guide way 21 on deflector 32, can have more air currents to get into combustion channel, not only can avoid two adjacent through-holes to lead to the problem that passes fire efficiency to reduce because of the interval is too big to make to pass fire speed faster, can make the air in combustion gap obtain more replenishment simultaneously, thereby the stability of assurance burning that can be better and improve combustion efficiency.

As shown in fig. 1 to 5, in addition to the features of the above embodiment, the present embodiment further defines: the fire lid upper cover subassembly 3 includes fire lid upper cover body 31 and first air guide 32, fire lid upper cover body 31 is cyclic annular setting on base 1, first air guide 32 sets up on fire lid upper cover body 31, first air guide 32 is located one side that base 1 was kept away from to fire lid upper cover body 31, first air guide 32 sets up along the circumference of firing lid upper cover body 31, and extend to the shell subassembly 23 outside at least and be formed with the outer end, form combustion channel between first air guide 32 and the deflector 22. The fire lid upper cover body 31 is cyclic annular, be for better and base 1 installation, at the combustion assembly during operation, flame can lead to the burning unstable if the interference, even flame phenomenon appears, make the secondary air in combustion gap more difficult to supply, the gas is forced to supply secondary air to the burning more outside, make flame length increase, when serious, flame just contacts with the bottom of a boiler earlier when outer flame has not formed yet, the gas fails the complete combustion to lead to the flue gas to sharply increase and the inefficiency scheduling problem appears, and first air guide 32 catches fire along the circumference setting of covering upper cover body 31, can make the flame orientation all inequality, consequently, the interference between the flame has been avoided, combustion efficiency has been promoted.

As shown in fig. 4 to 6, in addition to the features of the above embodiment, the present embodiment further defines: the air guide device further comprises a second air guide member 33, wherein the second air guide member 33 is arranged on the first air guide member 32, and a plurality of air guide channels are formed between the second air guide member 33 and the first air guide member 32. In the mist in the combustion channel entered into the air guide passageway, partial blender followed the combustion channel blowout, and the blowout direction was opposite with the mist direction from air guide passageway spun, and then formed the convection current on the horizontal direction, can make the gas can the intensive combustion, improved the culinary art effect, had better branch fire effect, improved combustion efficiency.

As shown in fig. 1 to 4, in addition to the features of the above embodiment, the present embodiment further defines: the ratio of the length of the combustion channel to the diameter of the combustion channel is 2-3. The length that has set up burning passage is 2 ~ 3 with burning passage's diameter ratio, can make the gas fully burn, has improved the culinary art effect, has improved combustion efficiency.

As shown in fig. 4 to 6, in addition to the features of the above embodiment, the present embodiment further defines: a plurality of protrusions are formed on the second air guide 33, an air passing cavity is formed between the protrusions of the second air guide 33 and the first air guide 32, a plurality of openings are formed on the second air guide 33, each protrusion is provided with an opening, the opening is located at one end, close to the upper cover body 31, of each protrusion, and an air outlet is formed between one end, far away from the upper cover body 31, of each protrusion and the first air guide 32. Set up a plurality of archs on second air guide 33, the corresponding opening that sets up of protruding department, the reposition of redundant personnel gas that can be better, the air velocity when also preventing the mist to flow combustion channel and air guide channel simultaneously is too fast, leaves the flame during the burning easily, and then makes the pilot fire of combustor unstable enough.

As shown in fig. 1 to 4, in addition to the features of the above embodiment, the present embodiment further defines: the distance between the first air guide 32 and the guide plate 22 is 0 mm-2 mm. The interval between the first gas guide piece 32 and the guide plate 22 is set to be 0-2 mm, the flame stabilizing effect is better, gas can be fully combusted, the cooking effect is improved, and the combustion efficiency is improved.

As shown in fig. 1 to 4, in addition to the features of the above embodiment, the present embodiment further defines: the included angle between the first air guide piece 32 and the upper fire cover body 31 is 100-180 degrees. The included angle between the first air guide piece 32 and the upper cover body 31 of the fire cover is set to be 100-180 degrees, the flame stabilizing effect is better, gas can be fully combusted, the cooking effect is improved, and the combustion efficiency is improved.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A burner fire cover, comprising:

a base (1), wherein the base (1) is provided with a through hole (11) and an air inlet (12),

the fire cover shell assembly (2) is arranged annularly, a plurality of guide grooves (21) are formed in the fire cover shell assembly (2), the guide grooves (21) are arranged along the circumferential direction of the fire cover shell assembly (2), and the fire cover shell assembly (2) is arranged on the base (1);

lid upper cover subassembly (3), lid upper cover subassembly (3) set up on base (1), lid upper cover subassembly (3) are kept away from the one end of base (1) with form the burning passageway between a plurality of guide way (21), lid upper cover subassembly (3) are covered to the fire with base (1) with lid casing subassembly (2) form the cavity, the cavity with the burning passageway intercommunication, air inlet (12) with the cavity intercommunication, be equipped with many air guide channel on lid upper cover subassembly (3) to the fire, many air guide channel one end with the cavity intercommunication, the other end is used for with external intercommunication.

2. Burner fire cover according to claim 1, characterized in that the fire cover housing assembly (2) comprises a guide plate (22) and an outer housing assembly (23), the outer housing assembly (23) being arranged around the base (1), the outer housing assembly (23) abutting against an outer side wall of the base (1), the guide plate (22) being arranged around the outer housing assembly (23), the guide plate (22) extending towards the inside of the outer housing assembly (23), the guide plate (22) and the outer housing assembly (23) being angled between 20 ° and 70 °.

3. Burner fire cover according to claim 2, characterised in that the angle of the housing assembly (23) to the horizontal is 70 ° to 90 °.

4. Burner fire cover according to claim 2, characterised in that the guide plate (22) is ring-shaped, the ratio of the width of the guide plate (22) to the outer diameter of the guide plate (22) being 2-10 mm.

5. The burner fire cover according to claim 2, characterized in that the guide plate (22) is provided with the guide groove (21), the size of the guide groove (21) is 1 mm-4 mm, the guide groove (21) is provided with a plurality of combustion holes, the plurality of combustion holes are arranged along the circumferential direction of the guide plate (22), and the cavity is communicated with the outside through the combustion holes.

6. Burner cap according to claim 2, characterized in that the cap cover assembly (3) comprises a cap cover body (31) and a first air guide (32), the cap cover body (31) is annularly arranged on the base (1), the first air guide (32) is arranged on the cap cover body (31), the first air guide (32) is arranged on the side of the cap cover body (31) far away from the base (1), the first air guide (32) is arranged along the circumference of the cap cover body (31) and extends at least to the outer side of the housing assembly (23) to form an outer end, and a combustion channel is formed between the first air guide (32) and the guide plate (22).

7. The burner fire cover according to claim 6, further comprising a second air guide (33), the second air guide (33) being disposed on the first air guide (32), the plurality of air guide channels being formed between the second air guide (33) and the first air guide (32).

8. The burner fire cover of claim 6, wherein the ratio of the length of the combustion channel to the diameter of the combustion channel is 2-3.

9. The burner fire cover according to claim 7, characterized in that a plurality of protrusions are formed on the second air guide (33), an air passing cavity is formed between the protrusions of the second air guide (33) and the first air guide (32), a plurality of openings are formed on the second air guide (33), one opening is formed at each protrusion, the opening is located at one end of the protrusion close to the fire cover body (31), and an air outlet is formed between one end of the protrusion far away from the fire cover body (31) and the first air guide (32).

10. The burner fire cover of claim 6,

the distance between the first air guide piece (32) and the guide plate (22) is 0-2 mm; and/or

The included angle between the first air guide piece (32) and the upper fire cover body (31) is 100-180 degrees.