CN209013198U - Burner for gas stove - Google Patents

Abstract

The utility model discloses a kind of burner for gas stove, it includes burner body, fire hole wall, upper insulating layer and lower insulating layer, burner body has an inner cavity, and fire hole wall is fixed on the interior intracavitary of burner body, and surrounds with burner body and form combuster.Upper insulating layer is fixed between the region of the top surface towards fire hole wall in the top surface and burner body of fire hole wall, the heat transmitting between the top surface and burner body to obstruct fire hole wall.The lower insulating layer is fixed between the region of the bottom surface towards fire hole wall in the bottom surface and burner body of fire hole wall, the heat transmitting between the bottom surface and burner body to obstruct fire hole wall.The utility model can largely reduce the indoor thermal diffusion of burning, reduce heat loss, improve the thermal efficiency of burner for gas stove.

Description

Burner for gas stove

Technical field

The utility model relates to a kind of burner for gas stove.

Background technique

Existing burner for gas stove, especially commercial gas stove combustor include burner body and fire hole wall, burning Device main body has an inner cavity, and fire hole wall is fixed on the interior intracavitary of burner body, and surrounds and form combuster.

However, form has the following deficiencies: that the indoor heat of burning easily passes through fire hole wall, burner master using the above structure Body is transmitted to outside combustion chamber the even outside of commercial gas stove combustor, and heat loss is larger, and the thermal efficiency is lower.

Utility model content

The technical problems to be solved in the utility model is to overcome commercial gas stove combustor traditional in the prior art Heat loss is larger, the lower defect of the thermal efficiency, provides a kind of burner for gas stove.

The utility model is to solve above-mentioned technical problem by following technical proposals:

A kind of burner for gas stove, the burner for gas stove include burner body and fire hole wall, the burner master Body has an inner cavity, and the fire hole wall is fixed on the described interior intracavitary of the burner body, and encloses with the burner body Around formation combuster, the burner for gas stove further include:

Upper insulating layer, the upper insulating layer be fixed on the top surface of the fire hole wall in the burner body towards described Heat transmitting between the region of the top surface of fire hole wall, between the top surface and the burner body to obstruct the fire hole wall；

Lower insulating layer, the lower insulating layer be fixed on the bottom surface of the fire hole wall in the burner body towards described Heat transmitting between the region of the bottom surface of fire hole wall, between the bottom surface and the burner body to obstruct the fire hole wall.

In the present solution, between the top surface and burner body that upper insulating layer can obstruct fire hole wall heat transmitting, lower guarantor Warm layer can obstruct the heat transmitting between the bottom surface and burner body of fire hole wall, so as to largely reduce combustion chamber Interior thermal diffusion reduces heat loss, improves the thermal efficiency of burner for gas stove.

Preferably, the upper insulating layer and the lower insulating layer are all made of cyclic structure, and along the week of the fire hole wall To extension.Insulating layer and lower insulating layer be can be improved in this way to the heat insulation between fire hole wall and burner body, into one Step reduces indoor thermal diffusion of burning, and reduces heat loss.

Preferably, the material of the upper insulating layer and the lower insulating layer is all made of heat-preservation cotton.Make insulating layer in this way Preferable heat insulation, and high temperature resistant, environmental protection can not only be played with lower insulating layer.

Preferably, the upper insulating layer and the lower insulating layer are respectively positioned on the outside of the combustion chamber.

Preferably, the inner cavity is isolated into mutually independent mixing chamber and the combustion chamber, the combustion by the fire hole wall Room is burnt along the inside for being radially disposed in the mixing chamber of the fire hole wall；

The fire hole wall is equipped with multiple fire holes, and one end of each fire hole is connected to the mixing chamber, each fire The other end in hole and the combustion chamber.

Preferably, the burner body includes shell and bottom cover, the bottom cover is fixed on the bottom of the shell, and with The shell surrounds and forms the inner cavity, and the fire hole wall is fixed between the top of the shell and the bottom cover；

The upper insulating layer is fixed between the top surface of the fire hole wall and the top of the shell, and the lower insulating layer is solid Due between the bottom surface and the bottom cover of the fire hole wall.

Preferably, the outside wall surface of the bottom of the shell has a shell outward flange, the bottom cover has a lid outward flange, institute State the top surface that shell outward flange is fixed on the lid outward flange；

The burner for gas stove further includes shell insulating layer, the shell insulating layer be fixed on the bottom surface of the shell outward flange with Between the top surface of the lid outward flange, to obstruct the heat transmitting between the shell outward flange and the lid outward flange.

In the present solution, shell insulating layer can obstruct between shell outward flange and lid outward flange heat transmitting, can prevent in this way Only the heat of shell is further transferred to bottom cover and is eventually transferred to the other parts of burner for gas stove, and then guarantees gas-cooker The normal use of burner.

Preferably, the burner body further includes primary air cavity, the primary air cavity is fixed on the bottom Lid, and surrounded with the bottom cover and be formed with primary air chamber；

The burner for gas stove further includes lid insulating layer, and the lid insulating layer is fixed on the bottom cover and the primary sky The junction of air cavity, to obstruct the heat transmitting between the bottom cover and the primary air cavity.

In the present solution, lid insulating layer can obstruct between bottom cover and primary air cavity heat transmitting, can prevent in this way Only the heat of bottom cover be further transferred to primary air cavity and be eventually transferred to burner for gas stove other parts (for example, Automatically controlled installation chamber), and then guarantee the normal use of burner for gas stove.

Preferably, the fire hole wall includes multiple annular plain films and annular corrugated multiple, multiple annular plain films and Multiple described annular corrugated short transverse juxtapositions along the burner body are arranged and fix, and are formed with multiple described Fire hole, multiple fire holes are in Multi-layers distributing in the short transverse of burner body, and in the structure of each layer fire hole, The fire hole is distributed along the circumferential array of the fire hole wall.

In the present solution, annular plain film and annular corrugated fit structure enable to enter in fire hole out of mixing chamber Combustion air and combustion gas mixed gas air-flow it is more stable, outflow fire hole burning when gas flow rate it is relatively uniform, flame is more Add stabilization, burns more abundant, the thermal efficiency is higher, and disposal of pollutants is lower.

In addition, when guaranteeing same thermic load, compared with the prior art, occupied by the fire hole wall in the technical program Space it is smaller, to reduce the overall volume of burner for gas stove, and processing and fabricating is convenient.

Preferably, the inner cavity is isolated into mutually independent mixing chamber and the combustion chamber, the combustion by the fire hole wall Room is burnt along the inside for being radially disposed in the mixing chamber of the fire hole wall, the burner body also has primary air chamber, The primary air chamber is located at the lower section of the inner cavity, and is isolated with the inner cavity；

The burner for gas stove further include:

Primary air blower, the primary air blower are fixed on the burner body, and with the primary air chamber Room connection, to supply combustion air into the primary air chamber；

Nozzle and combustion gas ejector pipe, the nozzle is set to one end of the combustion gas ejector pipe, and is used for the combustion gas Combustion gas is sprayed into one end of ejector pipe, and the combustion gas ejector pipe is arranged in the primary air chamber, it will be described primary The indoor combustion air of air chamber introduces the inside of the combustion gas ejector pipe, and the other end of the combustion gas ejector pipe is connected to described The mixed gas of combustion air and combustion gas inside the combustion gas ejector pipe is passed through the mixing chamber by mixing chamber.

In the present solution, the setting of combustion gas ejector pipe enables to combustion air preferably to be premixed with combustion gas, thus So that burning is sufficiently, flame stabilization.

On the basis of common knowledge of the art, above-mentioned each optimum condition, can any combination to get the utility model respectively compared with Good example.

The positive effect of the utility model is:

The burner for gas stove of the utility model, upper insulating layer can obstruct between the top surface and burner body of fire hole wall Heat transmitting, lower insulating layer can obstruct between the bottom surface and burner body of fire hole wall heat transmitting, so as to very great Cheng Reduce indoor thermal diffusion of burning on degree, reduces heat loss, improve the thermal efficiency of burner for gas stove.

Detailed description of the invention

Fig. 1 is the schematic perspective view of the burner for gas stove of an embodiment of the present invention.

Fig. 2 is the schematic diagram of internal structure of the burner for gas stove of an embodiment of the present invention.

Fig. 3 is the enlarged structure schematic diagram of part A in Fig. 2.

Description of symbols:

Burner for gas stove: 1

Burner body: 2

Mixing chamber: 20

Combustion chamber: 21

Primary air chamber: 22

Drainage hole: 23

Automatically controlled installation chamber: 24

Shell: 25

Shell outward flange: 250

Inner cover: 26

Outer cover: 27

Lid outward flange: 270

Primary air cavity: 28

Fire hole wall: 3

Annular plain film: 30

Annular corrugated: 31

Fire hole: 32

Primary air blower: 4

Combustion gas ejector pipe: 5

Upper insulating layer: 60

Lower insulating layer: 61

Shell insulating layer: 62

Auxiliary air blower: 7

Gas outlet: 70

Three-way connection: 8

First port: 80

Second port: 81

Third port: 82

Secondary air conduit: 9

Positioning region: 10

The short transverse of burner body: H

Specific embodiment

The utility model is further illustrated below by the mode of embodiment, but is not therefore limited in the utility model Among the embodiment described range.

Fig. 1-3 shows a kind of schematic structure of burner for gas stove according to an embodiment of the present invention.Such as Fig. 1-3 Shown, burner for gas stove 1 includes burner body 2 and fire hole wall 3.Burner body 2 has an inner cavity.Fire hole wall 3 is fixed In intracavitary in burner body 2, and with burner body 2 around forming combuster 21.In the present embodiment, fire hole wall 3 material uses stainless steel.

Burner for gas stove 1 further includes upper insulating layer 60 and lower insulating layer 61.Upper insulating layer 60 is fixed on the top of fire hole wall 3 In face and burner body 2 between the region of the top surface towards fire hole wall 3, to obstruct top surface and the burner body 2 of fire hole wall 3 Between heat transmitting.Lower insulating layer 61 is fixed on the bottom surface towards fire hole wall 3 in the bottom surface and burner body 2 of fire hole wall 3 Between region, to obstruct the heat transmitting between the bottom surface of fire hole wall 3 and burner body 2.

Upper insulating layer 60 can obstruct the heat transmitting between the top surface of fire hole wall 3 and burner body 2, lower 61 energy of insulating layer The heat transmitting between the bottom surface and burner body 2 of fire hole wall 3 is obstructed, enough so as to largely reduce in combustion chamber 21 Thermal diffusion, reduce heat loss, improve burner for gas stove 1 the thermal efficiency.

Wherein, upper insulating layer 60 and lower insulating layer 61 are all made of cyclic structure, and along the circumferentially extending of fire hole wall 3.This Sample can be improved insulating layer 60 and lower insulating layer 61 to the heat insulation between fire hole wall 3 and burner body 2, further subtract Thermal diffusion in small combustion chamber 21 reduces heat loss.

Further, the material of upper insulating layer 60 and lower insulating layer 61 is all made of heat-preservation cotton.Make insulating layer 60 in this way Preferable heat insulation, and high temperature resistant, environmental protection can not only be played with lower insulating layer 61.

Further, upper insulating layer 60 and lower insulating layer 61 are respectively positioned on the outside of combustion chamber 21.

In addition, inner cavity is isolated into mutually independent mixing chamber 20 and combustion chamber 21 by fire hole wall 3.Fire hole wall 3 is equipped with multiple Fire hole 32.One end of each fire hole 32 is connected to mixing chamber 20, and the other end of each fire hole 32 is connected to combustion chamber 21.

Fire hole wall 3 includes multiple annular plain films 30 and annular corrugated 31 multiple.Multiple annular plain films 30 and multiple annulars Corrugated plate 31 is arranged (i.e. between two annular plain films 30 of arbitrary neighborhood along the height direction H juxtaposition of burner body An annular plain film 30 is all had with one annular corrugated 31, and between any two annular corrugated 31) and fixed, shape At there is multiple fire holes 32.Multiple fire holes 32 are in Multi-layers distributing in the height direction H of burner body.And in each layer of fire hole 32 In structure, fire hole 32 is distributed along the circumferential array of fire hole wall 3.

Annular plain film 30 and annular corrugated 31 fit structure enable to enter in fire hole 32 out of mixing chamber 20 Combustion air and the mixed gas air-flow of combustion gas are more stable, and gas flow rate is relatively uniform when outflow fire hole 32 burns, and flame is more Add stabilization, burns more abundant, the thermal efficiency is higher, and disposal of pollutants is lower.Meanwhile when guaranteeing same thermic load, phase It is smaller than the occupied space of fire hole wall 3 in the prior art, the technical program, to reduce burner for gas stove 1 Overall volume, and processing and fabricating is convenient.

In the present embodiment, burner for gas stove 1 is used for commercial gas-fired stove.Combustion chamber 21 is along the radial position of fire hole wall 3 In the inside of mixing chamber 20.And combustion chamber 21 is located at the central part of burner for gas stove 1.

Multiple annular plain films 30 and multiple annular corrugated 31 region being pressed in burner body 2 positioned at inner cavity top Be located between the region of intracavity bottom, can limit so multiple annular plain films 30 and it is multiple annular corrugated 31 relative to combustion Relative motion of the burner main body 2 in the height direction H of burner body.

Burner for gas stove 1 further includes at least three positioning regions 10, and at least three positioning regions 10 are between the circumferential direction of fire hole wall 3 Every setting.Each positioning region 10 is fixed in the mixing chamber 20 of burner body 2.And each positioning region 10 is resisted against fire hole wall 3 outside wall surface, can limit so multiple annular plain films 30 and it is multiple annular corrugated 31 relative to burner body 2 with combustion Relative motion on the vertical face of the height direction H of burner main body (in the present embodiment, which is horizontal plane).

Further, it is annular plain film 30 that bottommost and the component of top are located at referring to Fig. 3, in fire hole wall 3.

Further, circumferential direction corrugated structure of each layer of fire hole 32 along fire hole wall 3.Each fire hole 32 is along fire hole The circumferential shape of wall 3 is arc.In the present embodiment, the center line of each fire hole 32 and the center line of combustion chamber 21 hang down Directly, that is to say, that the center line of each fire hole 32 is arranged in horizontal direction, with upward auxiliary air at intersecting vertically, energy Play the role of turbulent combustion.

As shown in Fig. 2, burner body 2 also has primary air chamber 22.Primary air chamber 22 is located under inner cavity Side, and be isolated with inner cavity.

Burner for gas stove 1 further includes primary air blower 4, nozzle (not shown) and combustion gas ejector pipe 5.It is primary empty Gas blower 4 is fixed on burner body 2, and is connected to primary air chamber 22, combustion-supporting to supply into primary air chamber 22 Air.

Nozzle is set to one end of combustion gas ejector pipe 5, and for spraying into combustion gas into one end of combustion gas ejector pipe 5.And it fires Gas injection pipe 5 is arranged in primary air chamber 22, and the combustion air in primary air chamber 22 is introduced combustion gas ejector pipe 5 Inside.The other end of combustion gas ejector pipe 5 is connected to mixing chamber 20, by inside combustion gas ejector pipe 5 combustion air and combustion gas Mixed gas be passed through mixing chamber 20.

The setting of combustion gas ejector pipe 5 enables to combustion air preferably to be premixed with combustion gas, by combustion air and combustion Gas is mixedly more uniform, after being lighted by electronic ignition, so that burning is sufficiently, flame stabilization.

In use, nozzle ejects combustion gas, the combustion air (i.e. primary air) that the burning of 5 injection of combustion gas ejector pipe needs, By mixing chamber 20, burning is sprayed by the fire hole 32 of fire hole wall 3.

As shown in Figs. 1-2, burner body 2 also has automatically controlled installation chamber 24.Automatically controlled installation chamber 24 and primary air Chamber 22 is isolated, and is located at the lower section of primary air chamber 22.In the present embodiment, it is equipped in automatically controlled installation chamber 24 Electric control gear (not shown).

As shown in Figure 1-3, burner body 2 includes shell 25 and bottom cover.Bottom cover is fixed on the bottom of shell 25, and and shell Body 25 surrounds and forms inner cavity.And fire hole wall 3 is fixed between the top and bottom cover of shell 25.Upper insulating layer 60 is fixed on fire hole wall Between 3 top surface and the top of shell 25.Lower insulating layer 61 is fixed between the bottom surface and bottom cover of fire hole wall 3.

In addition, the outside wall surface of the bottom of shell 25 has a shell outward flange 250.Bottom cover has a lid outward flange 270.Outside shell Flange 250 is fixed on the top surface of lid outward flange 270.

Burner for gas stove 1 further includes shell insulating layer 62.Shell insulating layer 62 is fixed on outside the bottom surface and lid of shell outward flange 250 Between the top surface of flange 270, to obstruct the heat transmitting between shell outward flange 250 and lid outward flange 270.Shell can be prevented in this way 25 heat is further transferred to bottom cover and is eventually transferred to the other parts of burner for gas stove 1, and then guarantees gas-cooker combustion The normal use of burner 1.

Further, shell insulating layer 62 uses cyclic structure, and along the circumferentially extending of shell outward flange 250.In this way can Shell insulating layer 62 is improved to the heat insulation between shell outward flange 250 and lid outward flange 270.

Further, the material of shell insulating layer 62 uses heat-preservation cotton.Play shell insulating layer 62 can not only Preferable heat insulation, and high temperature resistant, environmental protection.

In addition, burner body 2 further includes primary air cavity 28.Primary air cavity 28 is fixed on bottom cover, and with bottom Lid surrounds and is formed with primary air chamber 22.

Burner for gas stove 1 further includes lid insulating layer (not shown).Lid insulating layer is fixed on bottom cover and primary air The junction of cavity 28, to obstruct the heat transmitting between bottom cover and primary air cavity 28.The heat of bottom cover can be prevented in this way It is further transferred to primary air cavity 28 and is eventually transferred to the other parts of burner for gas stove 1 (for example, automatically controlled installation cavity Room 24), and then guarantee the normal use of burner for gas stove 1.

Further, lid insulating layer uses cyclic structure, and along the circumferentially extending of bottom cover.It can be improved lid heat preservation in this way Layer is to the heat insulation between bottom cover and primary air cavity 28.

Further, the material of lid insulating layer uses heat-preservation cotton.Play lid insulating layer can not only preferably Heat insulation, and high temperature resistant, environmental protection.

Specifically, bottom cover includes inner cover 26 and outer cover 27, and the inner peripheral of outer cover 27 is fixed in the outer peripheral edge of inner cover 26.Lid is outer Flange 270 is located at outer cover 27.Primary air cavity 28 is fixed on the lid outward flange 270 of outer cover 27.Fire hole wall 3 is fixed on shell 25 Top and outer cover 27 inner peripheral between.Lower insulating layer 61 is fixed in the bottom surface and outer cover 27 of fire hole wall 3 towards fire hole wall 3 Bottom surface region between.

As shown in Figs. 1-2, burner for gas stove 1 further includes auxiliary air blower 7, and auxiliary air blower 7 is fixed on burning Device main body 2, and for being sent into auxiliary air to combustion chamber 21.

Auxiliary air blower 7 provides auxiliary air and enters combustion chamber 21 to burned flame progress auxiliary air supplement, makes It burns more abundant, realizes the effect of supplement auxiliary air, while also having reached and not increased primary air amount, and reduce tempering and tend to Purpose.

In the present embodiment, auxiliary air blower 7 uses adjustable speed DC fan, such as turbofan.Work as in use When middle adjusting firepower, the combustion gas that nozzle sprays changes and (increases or decreases), the auxiliary air amount that auxiliary air blower 7 provides Also opposite variation (increasing or decreasing), makes flameholding.

As Figure 2-3, burner body 2 is equipped with drainage hole 23.Drainage hole 23 is located at the bottom of combustion chamber 21, and with combustion Room 21 is burnt to be connected to.And drainage hole 23 is used to be connected to the external of burner for gas stove 1.Using the side directly to gas-cooker water-sprinkling When formula quickly reduces by 21 temperature of combustion chamber to reach, water flow can be flowed directly to the outer of burner for gas stove 1 by drainage hole 23 Portion, so as to guarantee the normal operation of burner for gas stove 1.

Auxiliary air blower 7 has a gas outlet 70.Burner for gas stove 1 further includes that secondary air conduit 9 and three connects First 8.One end of secondary air conduit 9 is connected to gas outlet 70.The first port 80 of three-way connection 8 engages drainage hole 23.Threeway The second port 81 of connector 8 engages the other end of secondary air conduit 9.The third port 82 and gas-cooker of three-way connection 8 are burnt The external connection of device 1.The third port 82 and first port 80 of three-way connection 8 are on the same line.Although not illustrating in figure, the Three ports 82 can be connected to drain outlet by pipeline.

From figure 3, it can be seen that first port 80 and third port 82 are straight up and down, also, auxiliary air blower 7 goes out Port 70 is accessed by three-way connection 8 from side, so that unburned sufficient oil smoke can be directly from the first end of three-way connection 8 Mouth 80 flows downward out third port 82, without blocking second port 81.Oil smoke will not be blocked enters port.Secondary When air blower 7 is sent into auxiliary air, the third port 82 of three-way connection 8 can be closed, and can prevent auxiliary air from dispersing in this way.

In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" be orientation based on the figure or Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that This is merely illustrative of, and the protection scope of the utility model is defined by the appended claims.Those skilled in the art Under the premise of without departing substantially from the principles of the present invention and essence, various changes or modifications can be made to these embodiments, But these change and modification each fall within the protection scope of the utility model.

Claims (10)

1. a kind of burner for gas stove, the burner for gas stove includes burner body and fire hole wall, the burner body With an inner cavity, the fire hole wall is fixed on the described interior intracavitary of the burner body, and surrounds with the burner body Form combuster, which is characterized in that the burner for gas stove further include:

Upper insulating layer, the upper insulating layer are fixed in the top surface and the burner body of the fire hole wall towards the fire hole Heat transmitting between the region of the top surface of wall, between the top surface and the burner body to obstruct the fire hole wall；

Lower insulating layer, the lower insulating layer are fixed in the bottom surface and the burner body of the fire hole wall towards the fire hole Heat transmitting between the region of the bottom surface of wall, between the bottom surface and the burner body to obstruct the fire hole wall.

2. burner for gas stove as described in claim 1, which is characterized in that the upper insulating layer and the lower insulating layer are adopted With cyclic structure, and along the circumferentially extending of the fire hole wall.

3. burner for gas stove as described in claim 1, which is characterized in that the material of the upper insulating layer and the lower insulating layer Matter is all made of heat-preservation cotton.

4. burner for gas stove as described in claim 1, which is characterized in that the upper insulating layer and the equal position of lower insulating layer In the outside of the combustion chamber.

5. burner for gas stove as described in claim 1, which is characterized in that the inner cavity is isolated into mutually by the fire hole wall Independent mixing chamber and the combustion chamber, the combustion chamber is along the inside for being radially disposed in the mixing chamber of the fire hole wall；

The fire hole wall is equipped with multiple fire holes, and one end of each fire hole is connected to the mixing chamber, each fire hole The other end and the combustion chamber.

6. burner for gas stove as claimed in claim 5, which is characterized in that the burner body includes shell and bottom cover, The bottom cover is fixed on the bottom of the shell, and surrounds with the shell and form the inner cavity, and the fire hole wall is fixed on Between the top of the shell and the bottom cover；

The upper insulating layer is fixed between the top surface of the fire hole wall and the top of the shell, and the lower insulating layer is fixed on Between the bottom surface and the bottom cover of the fire hole wall.

7. burner for gas stove as claimed in claim 6, which is characterized in that the outside wall surface of the bottom of the shell has a shell Outward flange, the bottom cover have a lid outward flange, and the shell outward flange is fixed on the top surface of the lid outward flange；

The burner for gas stove further includes shell insulating layer, the shell insulating layer be fixed on the bottom surface of the shell outward flange with it is described Between the top surface of lid outward flange, to obstruct the heat transmitting between the shell outward flange and the lid outward flange.

8. burner for gas stove as claimed in claim 6, which is characterized in that the burner body further includes primary air chamber Body, the primary air cavity is fixed on the bottom cover, and surrounds with the bottom cover and be formed with primary air chamber；

The burner for gas stove further includes lid insulating layer, and the lid insulating layer is fixed on the bottom cover and the primary air chamber The junction of body, to obstruct the heat transmitting between the bottom cover and the primary air cavity.

9. burner for gas stove as claimed in claim 5, which is characterized in that the fire hole wall includes multiple annular plain films and more A annular corrugated, multiple annular plain films and multiple described annular corrugated short transverse along the burner body are handed over Fork is overlapped and is fixed, and is formed with multiple fire holes, and multiple fire holes are in multilayer in the short transverse of burner body Distribution, and in the structure of each layer fire hole, the fire hole is distributed along the circumferential array of the fire hole wall.

10. burner for gas stove as described in claim 1, which is characterized in that the inner cavity is isolated into phase by the fire hole wall Mutual independent mixing chamber and the combustion chamber, the combustion chamber along the inside for being radially disposed in the mixing chamber of the fire hole wall, The burner body also has a primary air chamber, and the primary air chamber is located at the lower section of the inner cavity, and with it is described Inner cavity is isolated；

The burner for gas stove further include:

Primary air blower, the primary air blower is fixed on the burner body, and connects with the primary air chamber It is logical, to supply combustion air into the primary air chamber；

Nozzle and combustion gas ejector pipe, the nozzle is set to one end of the combustion gas ejector pipe, and is used for the combustion gas injection Combustion gas is sprayed into one end of pipe, and the combustion gas ejector pipe is arranged in the primary air chamber, by the primary air The indoor combustion air of chamber introduces the inside of the combustion gas ejector pipe, and the other end of the combustion gas ejector pipe is connected to the mixed gas The mixed gas of combustion air and combustion gas inside the combustion gas ejector pipe is passed through the mixing chamber by room.