CN216047652U - Burner and gas stove - Google Patents

Abstract

The application belongs to the technical field of kitchen and bathroom electrical appliances, and particularly relates to a burner and a gas stove, wherein a gas distribution disc of the burner comprises a first induced air plate positioned on an inner ring of an inner ring gas mixing cavity on the gas distribution disc, a plurality of first induced air holes are arranged on the first induced air plate, a fire outlet end of a fire hole of an inner ring fire cover is arranged to face the inner ring of the inner ring fire cover, central shafts of the fire holes of the inner ring fire cover are all arranged in parallel, and the central axes of the fire holes of the inner ring fire cover are all obliquely arranged, the first air inlet plate is arranged in the inner ring of the inner ring fire cover and is arranged above the first induced draft plate, a plurality of annular first air inlet holes are arranged on the first air inlet plate, the central axes of the first air inlet holes on the first air inlet plate are all arranged in parallel, and the central shafts of a plurality of first air inlet holes on the first air inlet plate are all obliquely arranged, and the oblique directions of the central shafts of the first air inlet holes and the fire holes of the inner ring fire cover are opposite. The application can improve the supplement amount of the secondary air.

Description

Burner and gas stove

Technical Field

The application belongs to the technical field of kitchen and bathroom electrical appliances, and particularly relates to a combustor and a gas stove.

Background

A gas range is a widely used kitchen utensil.

During the use process of the gas stove, primary air and secondary air are introduced. In the prior art, most manufacturers improve the supplementary amount of primary air by optimizing the structure of a furnace end, an air distribution plate and a fire cover, and the supplementary amount of secondary air is mainly improved by optimizing the structure of a fire hole and increasing the contact area of the fire hole and air.

The above-described method of increasing the amount of supplementary secondary air does not allow the gas to be completely combusted in an optimum state, and therefore, there is room for improvement.

Disclosure of Invention

In order to solve the above technical problems, the present application provides a burner and a gas range, which can improve the supplement amount of secondary air to at least a certain extent and make the gas completely burn in the best state as much as possible.

The technical scheme of the application is as follows:

in one aspect, the present application provides a burner, which is characterized in that the burner comprises:

the air distribution disc comprises a first air guide plate positioned on an inner ring of an inner ring air mixing chamber on the air distribution disc, and a plurality of first air guide holes are formed in the first air guide plate;

the fire outlet end of the fire hole of the inner ring fire cover is arranged to face the inner ring of the inner ring fire cover, the central axes of the fire holes of the inner ring fire cover are all arranged in parallel, and the central axes of the fire holes of the inner ring fire cover are all arranged in an inclined manner;

set up and be in internalization fire lid's the endocyclic first air inlet plate in, first air inlet plate sets up the top of first induced air board, be provided with a plurality ofly on the first air inlet plate and be annular first fresh air inlet, a plurality ofly on the first air inlet plate the equal parallel arrangement of center pin of first fresh air inlet, just, a plurality ofly on the first air inlet plate the center pin of first fresh air inlet all inclines to set up, the incline direction of the center pin of first fresh air inlet with the incline direction of the center pin of inner ring fire lid sets up to opposite.

In some embodiments, a plurality of first grooves are arranged on the outer peripheral surface of the first air inlet plate at intervals, and a plurality of first air inlet holes are defined between the first grooves and the inner ring of the inner ring fire cover.

In some embodiments, the first air intake panel is detachably disposed within the inner ring of the interior fire lid.

In some embodiments, the air distribution plate further comprises a third air guide plate positioned between the inner ring air mixing chamber and the outer ring air mixing chamber of the air distribution plate, and the third air guide plate is provided with a plurality of third air guide holes.

As a preferable aspect of the present application, the burner further includes:

the fire outlet end of the fire hole of the outer ring fire cover is arranged to face the inner ring of the outer ring fire cover, the central axes of the fire holes of the outer ring fire cover are all arranged in parallel, and the central axes of the fire holes of the outer ring fire cover are all arranged in an inclined manner;

the setting is in externalization fire lid with second air inlet plate between the inner ring fire lid, the second air inlet plate sets up the top of third induced air board, be provided with a plurality ofly on the second air inlet plate and be annular second fresh air inlet, a plurality ofly on the second air inlet plate the equal parallel arrangement of center pin of second fresh air inlet, just, a plurality ofly on the second air inlet plate the center pin of second fresh air inlet all inclines to set up, the incline direction of the center pin of second fresh air inlet with the incline direction of the center pin of the fire hole of outer ring fire lid sets up to opposite.

In some embodiments, a plurality of second grooves are arranged on the outer circumferential surface of the second air inlet plate at intervals, and a plurality of second air inlet holes are defined between the plurality of second grooves and the inner ring of the outer ring fire cover.

In some embodiments, the second air inlet panel is detachably disposed between the outer burner cap and the inner ring burner cap.

In some embodiments, the gas distribution plate further comprises:

a second air induction plate positioned in the inner ring mixing chamber on the air distribution plate, wherein a plurality of second air induction holes are formed in the second air induction plate;

a fourth air guide plate positioned in the outer ring mixing cavity on the air distribution plate, wherein a plurality of fourth air guide holes are formed in the fourth air guide plate;

in another aspect, the present application further provides a gas range, including:

a cover body;

the burner is assembled on the cover body.

In some embodiments, the gas range further comprises:

the side wall of the sealed chamber is provided with an air induction port, a first through hole for the inlet end of the burner of the combustor to pass through and a second through hole for the outlet end of the burner of the combustor to pass through;

the fan is arranged in the sealed cavity and can introduce supplementary secondary air into the sealed cavity through the air induction port;

the air distribution disc of the burner covers the second through hole of the sealed chamber, and the projections of the first air inducing holes and the third air inducing holes on the air distribution disc on the cover body are all located in the second through hole of the sealed chamber.

The beneficial effects of this application include at least:

the utility model provides a gas stove, it includes the combustor, because the gas distribution dish of this combustor is including the first induced air board of the inner ring of the inner ring gas mixing chamber on the gas distribution dish of location, be provided with a plurality of first induced air holes on the first induced air board, in addition, set up first air inlet plate in the inner ring of internalization fire lid, this first air inlet plate sets up the top at first induced air board, be provided with a plurality of annular first air inlet holes that are on the first air inlet plate, consequently, when the gas stove is used, secondary air accessible a plurality of first induced air holes are introduced and are supplemented to the inner ring of inner ring fire lid, a plurality of first air inlet holes on the rethread first air inlet plate, can introduce the secondary air to the play fire end of the fire hole of inner ring fire lid and use promptly, with the supplementary volume of secondary air of the inner ring fire lid of improvement combustor, improve the combustion efficiency of combustor.

In addition, because the fire outlet end of the fire hole of the inner ring fire cover is arranged to face the inner ring of the inner ring fire cover, the central shafts of the fire holes of the inner ring fire cover are all arranged in parallel, and the central shafts of the fire holes of the inner ring fire cover are all arranged in an inclined manner, and the central shafts of the first air inlet holes on the first air inlet plate are all arranged in parallel, moreover, the central shafts of the first air inlet holes on the first air inlet plate are all arranged in an inclined manner, and the inclined direction of the central shaft of the first air inlet hole is opposite to the inclined direction of the central shaft of the fire hole of the inner ring fire cover, therefore, secondary air introduced from the first air inlet holes on the first air inlet plate can directly act on the fire outlet end of the fire hole of the inner ring fire cover, so that the fuel gas can be completely combusted in the best state, the combustion efficiency is further improved, and the fuel gas burner has good practical value.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural view of a gas stove according to an embodiment of the present application;

FIG. 2 is a schematic view of the structure of the removal burner of FIG. 1;

FIG. 3 is a partial schematic view of the cooktop of FIG. 1 with a panel removed;

FIG. 4 is a schematic top view of a portion of the cooktop of FIG. 1 with a panel removed;

FIG. 5 is a schematic structural view of a combustor in accordance with an embodiment of the present disclosure;

FIG. 6 is a schematic cross-sectional view of FIG. 5;

FIG. 7 is an exploded view of FIG. 5;

FIG. 8 is a schematic structural view of the inner ring fire cover and the outer ring fire cover in FIG. 5;

fig. 9 is a schematic structural view of the first air inlet plate in fig. 5;

fig. 10 is a schematic structural view of the second air inlet plate in fig. 5.

In the drawings:

100-cooker shell, 101-cover body, 102-sealed chamber, 103-fan, 104-induced draft, 105-first through hole, 106-second through hole, 107-vertical plate, 200-burner, 201-burner, 202-air distribution plate, 203-inner ring fire cover, 204-outer ring fire cover, 205-first induced draft plate, 206-first induced draft hole, 207-second induced draft plate, 208-second induced draft hole, 209-third induced draft plate, 210-third induced draft hole, 211-first air inlet plate, 212-first air inlet hole, 213-second air inlet hole, 214-second air inlet hole, 215-first ring sleeve, 216-second ring sleeve, 217-third ring sleeve, 218-fourth ring sleeve, 219-fourth induced draft plate, 220-fourth induced draft hole.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.

It should be noted that all the directional indications in the embodiments of the present application are only used to explain the relative position relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.

The following disclosure provides many different embodiments, or examples, for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

The application is described below with reference to specific embodiments in conjunction with the following drawings:

the working principle of the gas stove is as follows: high-pressure gas (natural gas or liquefied gas) gets into the valve body of gas-cooker from the gas pipeline, the back is opened to the valve body, the inflow nozzle, because the nozzle size is very little, generally be less than 2mm, high-pressure gas becomes high-speed low pressure gas after the nozzle flows out, get into furnace end venturi structure and form the negative pressure (be less than atmospheric pressure), consequently primary air is drawn and penetrates the inflow furnace end, flow out through the furnace end after primary air and gas mix and get into minute gas dish and fire lid and burn, in the combustion process, the air in the environment can carry out the second time and supply secondary air promptly, guarantee the complete combustion of gas.

From the working principle, the primary air quantity and the secondary air quantity are key factors for ensuring the complete combustion of the fuel gas. For the existing gas stove combustion system, the gas is mixed with primary air before combustion, so that the primary air is considered to participate in the reaction basically and completely, and the secondary air participates in the reaction in the combustion process due to buoyancy and entrainment of high-speed jet flow of the gas, so that the secondary air does not participate in the reaction completely. On the premise of ensuring the complete reflection of the fuel gas, the total air quantity is reduced as much as possible, and the heat released by the combustion reaction is reduced to heat the redundant air, so that the heat efficiency is improved.

At present, the supplement of secondary air in a gas stove is generally realized by optimizing a fire hole structure and increasing the contact area of a fire hole and air, the effective and rapid supplement of the secondary air is difficult, particularly when a smoke outlet is reduced, the supplement of the secondary air is more difficult, a better combustion state cannot be realized, and the standard exceeding of smoke can be caused.

That is, the above-described method of increasing the amount of supplementary secondary air cannot completely combust the fuel gas in an optimum state, and therefore, there is room for improvement.

Based on the technical problems, the embodiment of the application provides a gas stove, and aims to improve the supplement amount of secondary air at least to a certain extent and enable gas to be completely combusted in the best state.

The first embodiment is as follows:

fig. 1 is a schematic structural view of a gas range according to an embodiment of the present invention, which includes a range housing 100 and a burner 200 mounted on the range housing 100, in conjunction with fig. 1.

Fig. 2 is a schematic structural view of the removal burner of fig. 1, fig. 3 is a schematic structural view of a portion of a cooktop removal panel of fig. 1, and fig. 4 is a schematic structural top view of the cooktop removal panel of fig. 1. Referring to fig. 1 to 4, a cooktop case 100 according to an embodiment of the present invention includes a casing 101, a sealing chamber 102, and a blower 103, wherein a burner 200 is mounted on the casing 101, the sealing chamber 102 is disposed in the casing 101, a sidewall of the sealing chamber 102 is provided with an air inlet 104, a first through hole 105 through which an inlet end of a burner of the burner 200 passes, and a second through hole 106 through which an outlet end of the burner 200 passes, the blower 103 is disposed in the sealing chamber 102, a gas distribution plate 202 of the burner 200 covers the second through hole 106 of the sealing chamber 102, and the gas distribution plate 202 is provided with a plurality of secondary air vents that communicate the inside of the sealing chamber 102 with the outside.

When the gas stove provided by the application is used, the fan 103 is controlled to be started, the fan 103 introduces supplementary secondary air into the sealed chamber 102 through the air induction port 104, and the secondary air introduced into the sealed chamber 102 is supplemented into the combustor 200 through the plurality of secondary air vent holes in the air distribution plate 202, so that the supplementary amount of the secondary air is improved, the gas is completely combusted in the optimal state, and the combustion efficiency of the gas stove is improved.

The whole box that is of cover body 101 of this application embodiment, it includes panel and the open box in top, and the box inlays to be established in the top of a kitchen range, and the panel assembly is in the uncovered department of box to seal the box, be provided with the second through-hole 106 that supplies the combustor to pass on the panel, with the installation of making things convenient for the combustor, this is prior art, and this application embodiment does not do too much here and gives unnecessary details.

With reference to fig. 3 and 4, a closed-loop vertical plate 107 is disposed in the housing according to the embodiment of the present invention, a top of the vertical plate 107 sealingly abuts against a top of the housing 101, that is, a top of the vertical plate 107 sealingly abuts against an inner side of the panel, a bottom of the vertical plate 107 sealingly abuts against a bottom of the housing 101, the vertical plate 107 and the housing 101 can enclose the sealed chamber 102, the first through hole 105 is disposed on the vertical plate 107, and the second through hole 106 is disposed at a top of the housing 101, that is, the second through hole 106 is disposed on the panel.

In the present embodiment, the overall shape of the vertical plate 107 is preferably square, but may be other shapes such as circle and ellipse, and the present embodiment is not limited thereto.

In addition, the top and the bottom of the vertical plate 107 may be fixedly connected to the cover body by welding, or a clamping groove may be provided at a position of the cover body 101 corresponding to the vertical plate 107, and the top and the bottom of the vertical plate 107 are embedded in the clamping groove provided at a position of the cover body 101 corresponding to the vertical plate 107.

In other embodiments, the vertical plate 107 of the embodiment of the present application may also be disposed in an unclosed manner, for example, two vertical plates 107 of the embodiment of the present application are disposed oppositely, two sides of the two vertical plates 107 respectively abut against two opposite side walls of the housing 101, and the two vertical plates 107, the two opposite side walls of the housing 101, and the top and the bottom of the housing 101 may also enclose the sealed chamber 102. The embodiment of the present application does not specifically limit the specific form of the sealed chamber.

Because the furnace end of the burner 200 in the prior art usually includes an inner ring injection pipe communicated with the inner ring fire cover 203 of the burner 200 and an outer ring injection pipe communicated with the outer ring fire cover 204 of the burner 200, correspondingly, the vertical plate 107 is also provided with two first through holes 105, and the two first through holes 105 are respectively used for the inner ring injection pipe and the outer ring injection pipe of the furnace end of the burner to pass through.

Further, the induced air opening 104 of the embodiment of the present application is disposed on the vertical plate 107, the fan 102 is mounted on the induced air opening 104, the output end of the fan 102 faces the inside of the sealed chamber 102, and by controlling the activation of the fan 102, the air outside the sealed chamber 102 can be introduced and supplemented into the sealed chamber 102.

In addition, in the embodiment of the present application, a supporting block may be further disposed at the bottom of the casing 101, and the supporting block is disposed in the sealed chamber 102, and the blower 103 is supported by the supporting block, so as to improve the stability of the blower 103 installed in the casing 101.

It should be noted that, the number of the sealed chambers 102 and the fans 103 according to the embodiment of the present application may be set according to the specific number of the burners 200, for example: two burners 200 are assembled on the cover body 101 of the stove housing 100 according to the embodiment of the present application, and correspondingly, two sealing chambers 102 and fans 103 corresponding to the burners 200 one to one are also arranged in the cover body 101 according to the embodiment of the present application.

Example two:

the embodiment of the application discloses a combustor, which can improve the supplementary amount of secondary air to a certain extent at least, and make the gas completely burn under the best condition as far as possible.

Fig. 5 is a schematic structural diagram of a burner in this application embodiment, with reference to fig. 1 and fig. 5, the burner 200 in this application embodiment further includes a gas distribution plate 202, an inner ring fire cover 203 and an outer ring fire cover 204, the inner ring fire cover 203 and the outer ring fire cover 204 are both disposed on the gas distribution plate 202, the inner ring fire cover 203 is disposed on the inner side of the outer ring fire cover 204, a fire hole on the inner ring fire cover 203 is communicated with an inner ring injection pipe of the furnace end 201 through the gas distribution plate 202, primary air and fuel can be injected into the fire hole of the inner ring fire cover 203 through the inner ring injection pipe of the furnace end 201, and a fire hole on the outer ring fire cover 204 is communicated with an outer ring injection pipe of the furnace end 201 through the gas distribution plate 202, primary air and fuel can be injected into the fire hole of the outer ring fire cover 204 through the outer ring injection pipe of the furnace end 201, which is prior art and this application embodiment does not need to describe herein.

In order to adjust the inner ring of furnace end 201 and draw the flow of the primary air that penetrates the pipe and the outer ring draws the pipe, the combustor of this application embodiment all still includes the air flap piece that is used for controlling the opening that the inner ring draws the pipe and the outer ring draws the entry that penetrates the pipe, through rotating the air flap piece, can adjust the inner ring and draw the opening that penetrates the primary air entry that pipe and outer ring draw the pipe, and then the adjustable inner ring draws the flow of the primary air that pipe and outer ring draw the pipe.

Similarly, fig. 6 is a schematic cross-sectional view of fig. 5, fig. 7 is a schematic exploded view of fig. 5, and in conjunction with fig. 5-7, the burner 200 of the embodiment of the present application further includes a first air inducing plate 205, the first air inducing plate 205 is disposed in the inner ring of the inner ring mixing chamber of the air distributor 202, and the first air inducing plate 205 is disposed below the inner ring of the inner ring fire cover 203. The first air inducing plate 205 is provided with a plurality of first air inducing holes 206. The plurality of first bleed holes 206 are part of the secondary air vent holes described above. The secondary air can flow into the fire holes of the inner ring fire cover 203 through the first induced air holes 206, and the combustion efficiency of the burner is further improved.

Further, with reference to fig. 6 and 7, in the embodiment of the present application, the first air inducing plate 205 is disposed below the fire hole of the inner ring fire cover, and the plurality of first air inducing holes 206 on the first air inducing plate 205 may be disposed at intervals in a ring shape, so that the secondary air introduced from the plurality of first air inducing holes 206 uniformly acts on the root of the flame generated by the fire hole, so as to further improve the combustion effect.

Referring to fig. 5-7, in the embodiment of the present invention, a first annular ring 215 and a second annular ring 216 may be coaxially disposed at a middle portion of a top surface of the gas distribution plate 202, the second annular ring 216 is disposed outside the first annular ring 215, an area of the gas distribution plate 202 between the first annular ring 215 and the second annular ring 216 is the inner ring mixing chamber, a portion of the gas distribution plate 202 located inside the first annular ring 215 may be the first induced draft plate 205 of the embodiment of the present invention, and the inner ring fire cover 203 may be detachably disposed on the gas distribution plate 202 between the first annular ring 215 and the second annular ring 216, and the inner ring fire cover 203 may be retained by the first annular ring 215 and the second annular ring 216.

In addition, when the inner ring fire cover 203 is assembled on the gas distribution plate 202, the inner ring fire cover 203 and the gas distribution plate 202 can be enclosed into a cylindrical structure with only an open top, and secondary air can be prevented from being interfered by the outside when flowing to the fire hole of the inner ring fire cover 203, so that turbulent flow is prevented.

Fig. 8 is a schematic structural diagram of the inner ring fire cover and the outer ring fire cover in fig. 5, and with reference to fig. 8, in this embodiment of the application, the fire outlet end of the fire hole of the inner ring fire cover 203 is set to face the inner ring of the inner ring fire cover 203, that is, the inner ring fire cover 203 of this embodiment of the application is built-in to flame, the central axes of the fire holes of the inner ring fire cover 203 are all arranged in parallel, and the central axes of the fire holes of the inner ring fire cover 203 are all arranged in an inclined manner.

Referring to fig. 5 to 6, the burner 200 of the embodiment of the present application further includes a first air inlet plate 211. Fig. 9 is a schematic structural diagram of the first air inlet plate in fig. 5, and referring to fig. 5 to fig. 9, the first air inlet plate 211 is disposed in an inner ring of the inner flame cover 203, the first air inlet plate 211 is disposed above the first air inducing plate 205, a plurality of annular first air inlet holes 212 are disposed on the first air inlet plate 211, central axes of the plurality of first air inlet holes 212 on the first air inlet plate 211 are all disposed in parallel, central axes of the plurality of first air inlet holes 212 on the first air inlet plate 211 are all disposed in an inclined manner, and an inclined direction of the central axis of the first air inlet holes 212 is opposite to an inclined direction of the central axis of the flame holes of the inner flame cover 203. Thus, the secondary air introduced from the plurality of first air inlet holes 212 of the first air inlet plate 211 can directly act on the fire outlet end of the fire hole of the inner ring fire cover 203, so that the fuel gas can be completely combusted in the optimal state, the combustion efficiency is further improved, and the secondary air inlet plate has a good practical value.

Further, referring to fig. 9, in the embodiment of the present application, a plurality of first grooves may be spaced on the outer circumferential surface of the first air inlet plate 211, and a plurality of first air inlet holes 212 may be defined between the plurality of first grooves and the inner ring of the inner ring fire cover 203. Of course, the first air inlet holes 212 may also directly penetrate through the end surface of the first air inlet plate 211, which is not limited in this embodiment of the application.

In this application embodiment, first air inlet plate 211 can adopt the mode of separation to set up in internalization fire lid 203's interior intra-annular, specifically: the top of internalization fire lid 203's inner ring is provided with the first positioning cavity that is the frustum form that leads to, correspondingly, the outer peripheral face of first air inlet plate 211 is with this first positioning cavity assorted appearance, and first air inlet plate 211 is the detachable location support promptly in the first positioning cavity of internalization fire lid 203's inner ring.

In other embodiments, the first air inlet plate 211 may also be directly fixed in the inner ring of the internal combustion cover 203 by integral molding or welding, which is not specifically limited in this application.

With reference to fig. 5 to 7, the air distribution plate 203 according to the embodiment of the present application further includes a second air inducing plate 207, the second air inducing plate 207 is positioned in an inner ring mixing chamber on the air distribution plate, that is, the second air inducing plate 207 is disposed between the first ring sleeve 215 and the second ring sleeve 216, the second air inducing plate 207 covers a first communicating opening where the air distribution plate 202 and an inner ring injection pipe of the burner 201 communicate, and the second air inducing plate 207 is provided with a plurality of second air inducing holes 208. Thus, the primary air may be introduced into the inner fire cover 203 through the second induced draft plate 207.

Further, in this application embodiment, the second air guide plate 207 is the arc consistent with the first opening that communicates, and the second air guide plate 207 can with divide the air disk 202 integrated into one piece or the separation setting, and, the second air guide plate 207 sets up the below of the fire hole of inner ring fire lid 203, and a plurality of second air guide holes 208 interval on the second air guide plate 207 sets up, and the primary air that introduces from a plurality of second air guide holes 208 like this can be used in the root of the flame that the fire hole produced uniformly to further improve the combustion effect.

With reference to fig. 5 to 7, the burner according to the embodiment of the present application further includes a third air inducing plate 209, the third air inducing plate 209 is positioned between the inner ring air mixing chamber and the outer ring air mixing chamber of the air distribution plate, the third air inducing plate 209 is disposed below the space between the inner ring fire cover 203 and the outer ring fire cover 204, a plurality of third air inducing holes 210 are disposed on the third air inducing plate 209, and the plurality of third air inducing holes 210 are part of the above-mentioned secondary air vent holes. The secondary air may be introduced between the inner and outer fire covers 203 and 203 through the plurality of third induced air holes 210.

Referring to fig. 5 to 7, in the embodiment of the present invention, a third annular ring 217 may be coaxially disposed at a middle portion of a top surface of the gas distributor 202, the third annular ring 217 is disposed at an outer side of the second annular ring 216, and a portion of the gas distributor 202 located between the third annular ring 217 and the second annular ring 216 may be a third induced draft plate 205 of the embodiment of the present invention, that is, a third induced draft plate 209 of the embodiment of the present invention is annularly disposed between the third annular ring 217 and the second annular ring 216, and since the third induced draft plate 209 is disposed below a fire hole of the inner annular fire cover 203 and a fire hole of the outer annular fire cover 204, a plurality of third induced draft holes 210 on the third induced draft plate 209 may be annularly spaced, so that secondary air introduced from the plurality of third induced draft holes 210 may uniformly act on a root of flames generated by the fire holes, so as to further improve a combustion effect.

With reference to fig. 8, the fire outlet end of the fire hole of the outer ring fire cover 204 of the embodiment of the present application is set to be an inner ring facing the outer ring fire cover 204, that is, the outer ring fire cover 204 of the embodiment of the present application is built-in flame, the central axes of the fire holes of the outer ring fire cover are all arranged in parallel, and the central axes of the fire holes of the outer ring fire cover 204 are all arranged in an inclined manner.

Referring to fig. 5 to 7, the burner 200 of the embodiment of the present application further includes a second air inlet plate 213. Fig. 10 is a schematic structural view of the second air inlet plate in fig. 5, and referring to fig. 5-8 and fig. 10, the second air inlet plate 213 is disposed between the outer chemical fire cover 204 and the inner fire cover 203, the second air inlet plate 213 is disposed above the third air guide plate 209, the second air inlet plate 213 is provided with a plurality of annular second air inlet holes 214, central axes of the plurality of second air inlet holes 214 on the second air inlet plate 213 are all disposed in parallel, central axes of the plurality of second air inlet holes 214 on the second air inlet plate 213 are all disposed in an inclined manner, and an inclined direction of the central axes of the second air inlet holes 214 and an inclined direction of the central axes of the fire holes of the outer fire cover 204 are opposite. In this way, the secondary air introduced from the plurality of second air inlet holes 214 of the second air inlet plate 213 can directly act on the fire outlet ends of the fire holes of the outer fire cover 204, so that the gas can be completely combusted in the optimal state, thereby further improving the combustion efficiency and having good practical value.

Further, referring to fig. 10, in the embodiment of the present application, a plurality of second grooves may be formed on the outer circumferential surface of the second air inlet plate 213 at intervals, and a plurality of second air inlet holes 214 may be defined between the plurality of second grooves and the inner ring of the outer fire cover 204. Of course, the plurality of second air inlet holes 214 may also be directly disposed through the end surface of the second air inlet plate 213, which is not limited in the embodiment of the present application.

In this embodiment, the second air inlet plate 213 can be disposed between the internal fire cover 203 and the external fire cover 204 in a separated manner, specifically: the top of the region between the internal fire cover 203 and the outer fire cover 204 is provided with a second positioning cavity in a frustum shape, correspondingly, the outer peripheral surface of the second air inlet plate 213 is in an appearance matched with the second positioning cavity, and the second air inlet plate 213 is detachably positioned and supported in the second positioning cavity between the internal fire cover 203 and the outer fire cover 204.

In other embodiments, the second air inlet plate 213 may also be directly fixed between the internal fire cover 203 and the external fire cover 204 by integral molding or welding, which is not specifically limited in this embodiment of the application.

In the embodiment of the present application, with reference to fig. 5-7, a fourth ring sleeve 218 may be coaxially disposed at a middle portion of the top surface of the gas distribution plate 202, the fourth ring sleeve 218 is disposed at an outer side of the third ring sleeve 217, an area between the fourth ring sleeve 218 and the third ring sleeve 217 is the outer ring gas mixing chamber, the outer ring fire cover 204 is detachably disposed on the gas distribution plate 202 between the fourth ring sleeve 218 and the third ring sleeve 217, and the outer ring fire cover 204 may be retained by the fourth ring sleeve 218 and the third ring sleeve 217.

In addition, when the outer ring fire cover 204 is assembled on the gas distribution plate 200, the outer ring fire cover 204, the inner ring fire cover 203 and the gas distribution plate 202 can enclose an annular structure with an open top, and secondary air can be prevented from being interfered by the outside and being prevented from being turbulent when flowing to the fire holes of the inner ring fire cover 203 and the outer ring fire cover 204.

With reference to fig. 5 to 7, the burner 200 according to the embodiment of the present application further includes a fourth air inducing plate 219, the fourth air inducing plate 219 is disposed in an outer ring mixing cavity on the air distribution plate, the fourth air inducing plate 219 covers a second communication port 220 where the air distribution plate 202 is communicated with an outer ring injection pipe of the burner 201, and the fourth air inducing plate 219 is provided with a plurality of fourth air inducing holes 219. Thus, the primary air may be introduced into the outer ring fire cover 204 through the fourth induced air plate 219.

Further, with reference to fig. 7, in this embodiment of the application, the fourth air inducing plate 219 is in an arc shape consistent with the second communicating opening, the fourth air inducing plate 219 may be integrally formed with or separately disposed from the air distributor 202, the fourth air inducing plate 219 is disposed below the fire hole of the outer ring fire cover 204, and the plurality of fourth air inducing holes 219 on the fourth air inducing plate 219 are disposed at intervals, so that the primary air introduced from the plurality of fourth air inducing holes 219 can uniformly act on the root of the flame generated by the fire hole, so as to further improve the combustion effect.

To sum up, the gas-cooker that this application embodiment provided ventilates to the seal chamber in the kitchen shell of gas-cooker through the fan, has realized the initiative supply of gas-cooker secondary air, and here, through the setting of induced air board and air inlet plate for the air of fan supply in the kitchen shell can continue to supply the gas burning, is a neotype secondary air and supplyes the mode.

In the prior art, for a combustor added with an energy gathering disc, a smoke outlet is generally higher than 8mm, otherwise, insufficient secondary air supplement is caused, and smoke is increased. And adopt the secondary air supplementary mode of this application embodiment, can reduce the exhaust port to about 5mm, still can guarantee that sufficient secondary air supplies, complete combustion. The embodiment of the application can make the gas-cooker under the difficult condition of secondary air supply, still can make the gas fully burn through the effect of fan, has fine practical value.

In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; 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 application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, 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," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.

In addition, descriptions in this application as to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to 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 addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

In the description of the present application, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means 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 application. 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 described in this specification can be combined and combined by those skilled in the art.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims (10)

1. A burner, characterized in that it comprises:

the air distribution disc comprises a first air guide plate positioned on an inner ring of an inner ring air mixing chamber on the air distribution disc, and a plurality of first air guide holes are formed in the first air guide plate;

the fire outlet end of the fire hole of the inner ring fire cover is arranged to face the inner ring of the inner ring fire cover, the central axes of the fire holes of the inner ring fire cover are all arranged in parallel, and the central axes of the fire holes of the inner ring fire cover are all arranged in an inclined manner;

set up and be in internalization fire lid's the endocyclic first air inlet plate in, first air inlet plate sets up the top of first induced air board, be provided with a plurality ofly on the first air inlet plate and be annular first fresh air inlet, a plurality ofly on the first air inlet plate the equal parallel arrangement of center pin of first fresh air inlet, just, a plurality ofly on the first air inlet plate the center pin of first fresh air inlet all inclines to set up, the incline direction of the center pin of first fresh air inlet with the incline direction of the center pin of inner ring fire lid sets up to opposite.

2. The burner of claim 1, wherein a plurality of first grooves are spaced on the outer peripheral surface of the first air inlet plate, and a plurality of first air inlet holes are defined between the plurality of first grooves and the inner ring of the inner ring fire cover.

3. The burner of claim 1, wherein the first air intake panel is detachably disposed within an inner ring of the inner fire lid.

4. The burner of claim 1, wherein the air distributor further comprises a third air guide plate positioned between the inner and outer air mixing chambers of the air distributor, the third air guide plate having a plurality of third air guide holes disposed thereon.

5. The burner of claim 4, further comprising:

the fire outlet end of the fire hole of the outer ring fire cover is arranged to face the inner ring of the outer ring fire cover, the central axes of the fire holes of the outer ring fire cover are all arranged in parallel, and the central axes of the fire holes of the outer ring fire cover are all arranged in an inclined manner;

the setting is in externalization fire lid with second air inlet plate between the inner ring fire lid, the second air inlet plate sets up the top of third induced air board, be provided with a plurality ofly on the second air inlet plate and be annular second fresh air inlet, a plurality ofly on the second air inlet plate the equal parallel arrangement of center pin of second fresh air inlet, just, a plurality ofly on the second air inlet plate the center pin of second fresh air inlet all inclines to set up, the incline direction of the center pin of second fresh air inlet with the incline direction of the center pin of the fire hole of outer ring fire lid sets up to opposite.

6. The burner of claim 5, wherein a plurality of second slots are spaced on the outer peripheral surface of the second air inlet plate, and a plurality of second air inlet holes are defined between the plurality of second slots and the inner ring of the outer fire cover.

7. The burner of claim 5 wherein said second air inlet panel is detachably disposed between said outer burner cap and said inner ring burner cap.

8. The burner of claim 1, wherein the gas distributor plate further comprises:

a second air induction plate positioned in the inner ring mixing chamber on the air distribution plate, wherein a plurality of second air induction holes are formed in the second air induction plate;

and the fourth air guide plate is positioned in the outer ring mixing cavity on the air distribution plate, and a plurality of fourth air guide holes are formed in the fourth air guide plate.

9. A gas burner, characterized in that it comprises:

a cover body;

a burner as claimed in any one of claims 1 to 8 fitted to said shroud.

10. The gas range of claim 9, further comprising:

the side wall of the sealed chamber is provided with an air induction port, a first through hole for the inlet end of the burner of the combustor to pass through and a second through hole for the outlet end of the burner of the combustor to pass through;

the fan is arranged in the sealed cavity and can introduce supplementary secondary air into the sealed cavity through the air induction port;

the air distribution disc of the burner covers the second through hole of the sealed chamber, and the projections of the first air inducing holes and the third air inducing holes on the air distribution disc on the cover body are all located in the second through hole of the sealed chamber.

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