CN115264541A - Gas kitchen ranges - Google Patents

Abstract

The embodiment of the application provides a gas-cooker, includes: a furnace base; the outer fire cover is connected with the furnace base; the inner fire cover is connected with the furnace base and is positioned on the inner side of the outer fire cover, and the inner fire cover comprises an air inlet opening and an ignition air outlet hole which is used for corresponding to the ignition induction needle; keep off the gas spare, set up in interior fire lid inboard to divide into first district and second district with the cavity of interior fire lid, keep off the gas spare and be used for getting into the mist deceleration of the part gas that flows into in the second district through inlet opening and air in the first district in order to form steady gas mixture. The mist flow direction that flows into partial gas in the second district and air in the embodiment of this application keeps off gas spare, and under the effect of blockking and rebounding that keeps off gas spare, realize the deceleration and form steady mist, at least partial mist flows from the venthole that ignites to the burning is lighted by the ignition induction needle that is located the interior fire lid outside, forms into stable state's inner ring flame, and then avoids appearing leaving flame or the unstable phenomenon such as flame-out after igniteing.

Description

Gas kitchen ranges

Technical Field

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

Background

At present, a household gas stove is generally in a double-ring flame structure, mixed gas of gas and air flows out of an inner flame cover and an outer flame cover respectively and then is ignited and combusted, inner ring flame and outer ring flame are formed respectively, and generally, an ignition induction needle is arranged corresponding to the inner flame cover to ignite the gas to form the inner ring flame.

However, the inner ring flame is easy to have unstable flame, and the unstable flame of the inner ring can cause incomplete combustion, overproof carbon monoxide content in smoke, poor ignition, flameout after ignition and the like.

Disclosure of Invention

The utility model provides a shortcoming to current mode provides a gas-cooker for the inner ring flame that solves prior art existence appears the unstable technical problem of flame easily.

The embodiment of the application provides a gas-cooker, includes: a furnace base; the outer fire cover is connected with the furnace base; the inner fire cover is connected to the furnace base and is positioned on the inner side of the outer fire cover, and the inner fire cover comprises an air inlet opening and an ignition air outlet hole which is used for corresponding to the ignition induction needle; keep off the gas spare, set up in interior fire lid is inboard, in order to incite somebody to action the cavity of interior fire lid divide into first district and second district, keep off the gas spare and be used for passing through the opening inflow of admitting air the mist of part gas and air in the second district slows down and gets into the first district is in order to form steady gas mixture.

As an alternative embodiment, the inner fire cover comprises a top wall and a side wall extending along the outer circumferential direction of the top wall in the direction away from the top wall, the air inlet opening is opened at the opposite side of the top wall, and the ignition air outlet hole is arranged on the side wall; the air blocking piece is fixedly connected to the top wall, and the distance between the air blocking piece and the air inlet opening is smaller than or equal to the distance between the ignition air outlet and the air inlet opening.

As an alternative embodiment, the air blocking member includes an air blocking main plate, a first air blocking side plate and a second air blocking side plate; the first air blocking side plate and the second air blocking side plate are fixedly connected to two opposite sides of the air blocking main plate in an angled mode respectively, so that part of mixed gas of gas and air flowing to the air blocking main plate flows to the ignition air outlet along the first air blocking side plate and the second air blocking side plate.

As an optional embodiment, the periphery of the top wall is further provided with an edge projection; the edge bulge and the top wall are surrounded to form a liquid collecting concave part used for collecting liquid overflowing from the heated cooker, the side wall is located on the inner side of the edge bulge and has a gap with the edge bulge, and the edge bulge is provided with a flow guide part used for guiding the liquid in the liquid collecting concave part to flow out and flow down along the edge bulge.

As an optional implementation manner, the side wall is provided with first air outlet holes distributed along the circumferential direction, and the side wall is further provided with first air outlet slits with outward openings; the first air outlet gap is communicated with the first air outlet hole, the first air outlet hole faces the side wall, and mixed gas of gas and air flowing out of the first air outlet hole flows to the side wall to change the flowing direction and flows out of the first air outlet gap.

As an optional implementation manner, the middle part of the top wall is provided with second air outlet holes distributed along the circumferential direction, and the second air outlet holes are used for heating the middle area of the heated cooker.

As an optional implementation, the inner fire cover further comprises: the top cover is covered on the second air outlet hole and forms a second air outlet seam with the top wall; the second air outlet gap is communicated with the second air outlet hole, the second air outlet hole faces the top cover, and mixed gas of gas and air flowing out of the ignition air outlet hole flows to the top cover to change the flowing direction and then flows out of the second air outlet gap.

As an optional implementation mode, the stove base comprises a base and a gas distribution piece arranged on the inner side of the base, a plurality of external fire gas inlet channels are formed between the base and the gas distribution piece, a gas baffle sheet is arranged at an outlet of each external fire gas inlet channel, and a flow limiting hole is formed in each gas baffle sheet so as to reduce the flow rate of mixed gas of gas and air.

As an optional implementation mode, the outer fire cover is provided with a first communicating hole and a second communicating hole, and the outer fire cover is provided with a fire transmitting seam extending along the inner side of the outer fire cover to the outer side of the outer fire cover; the first communicating hole and the second communicating hole are communicated with the fire transfer seam and the outer fire air inlet channel, and the first communicating hole and the second communicating hole are arranged at an angle so as to reduce the speed of the fire transfer seam when fuel gas circulates.

As an optional implementation manner, the outer fire cover is provided with third air outlet holes distributed along the circumferential direction, and the outer fire cover is further provided with a third air outlet seam with an outward opening; the third air outlet gap is communicated with the third air outlet hole, the third air outlet hole faces the outer fire cover, and mixed gas of gas and air flowing out of the third air outlet hole flows to the outer fire cover to change the flowing direction and flows out of the third air outlet gap.

The application provides a gas-cooker, and the technical scheme that the embodiment of this application provided brings following beneficial effect at least:

the mist flow direction that flows into partial gas in the second district and air keeps off the gas spare, keep off blocking of gas spare, bounce-back and under the effect of direction, realize the deceleration and form steady mist, at least partial mist flows out from the venthole that ignites, and ignite by the ignition induction needle that is located the interior fire lid outside, form into the inner ring flame of steady state, avoid appearing for example the incomplete flue gas that causes of burning in the carbon monoxide content exceeds standard, bad phenomena such as flame-out after poor and the ignition, and the heating efficiency is improved.

The top of interior fire lid is provided with the collection liquid concave part for collect and spill over the liquid of being heated cooking utensils, this liquid can follow the water conservancy diversion face and flow out collection liquid concave part after getting into collection liquid concave part, and along the protruding flow down of edge, in order to keep away from the structure of giving vent to anger on the lateral wall, avoid causing the jam of the structure of giving vent to anger and the unstability of flame.

The gas baffle plate and the flow limiting hole are arranged at the outlet of the outer fire air inlet channel, so that the flowing speed of the mixed gas of the gas and the air at the position can be reduced, and the phenomenon that the main flame of the outer fire is uneven in height is reduced.

The distance that gas arrived the biography fire seam has been increased to first intercommunicating pore and second intercommunicating pore, has realized reducing the velocity of flow of gas through passing the fire seam, prevents to pass the flame of fire seam department from the flame, has solved the current problem that the rigidity is poor that outer fire lid that leads to is directly surely worn to pass the outer fire lid of biography fire seam simultaneously.

The roof middle part of interior fire lid corresponds with the central zone by heating cooking utensils bottom, through setting up the second venthole here to form the heating flame to the central zone by heating cooking utensils, improve the heating efficiency to the central zone by heating cooking utensils bottom, avoid heating temperature inhomogeneous, improve the heating effect.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a gas stove provided in an embodiment of the present application;

fig. 2 is an exploded structural schematic view of a gas stove according to an embodiment of the present application;

fig. 3 is a schematic structural view of an inner fire cover in a gas stove according to an embodiment of the present application;

fig. 4 is a schematic structural view of an inner fire cover in another gas stove provided by an embodiment of the present application;

fig. 5 is a schematic structural view of a stove base in a gas stove according to an embodiment of the present application;

fig. 6 is a schematic structural view of a burner base in another gas stove provided in the embodiment of the present application;

fig. 7 is a schematic structural view of a base in a gas stove provided in an embodiment of the present application;

fig. 8 is a schematic structural view of a gas distributing member in a gas stove according to an embodiment of the present application;

fig. 9 is a schematic structural view of another gas distributing member in a gas range according to an embodiment of the present application;

fig. 10 is a schematic structural view of an outer fire cover in a gas range according to an embodiment of the present application;

fig. 11 is a schematic structural view of an outer fire cover in another gas range according to an embodiment of the present application;

fig. 12 is a schematic vertical sectional view of another gas stove outer fire cover according to an embodiment of the present application.

Reference numerals and corresponding description:

1: a furnace base; 11: a base; 111: a gas inlet; 112: a first air inlet; 113: an accommodating cavity; 12: a gas distribution member; 121: an internal fire air intake passage; 122: a second air inlet; 13: an external fire air inlet channel; 131: a first external fire air intake concave wall; 132: a second external fire air inlet concave wall; 14: a gas barrier sheet; 15: a flow restriction orifice; 16: an annular flow channel;

2: an outer fire cover; 21: a first communication hole; 22: a second communication hole; 23: fire transmission seams; 24: a third air outlet; 25: a third air outlet seam; 26: a cavity of the outer fire cover; 27: a fifth air outlet; 28: a guide surface;

3: an inner fire cover; 31: an air inlet opening; 32: an ignition air outlet; 33: a cavity of the inner fire cover; 331: a first region; 332: a second region; 34: a top wall; 341: a second air outlet; 35; a side wall; 351: a first air outlet hole; 352: a first gas outlet seam; 36: a top cover; 37: a second gas outlet seam; 38: a boss; 39: a fourth air outlet;

4: a gas blocking member; 41: a gas-blocking main board; 42: a first air baffle side plate; 43: a second air baffle side plate;

5: an ignition induction needle;

6: the edge is raised;

7: a liquid collecting concave part;

8: a flow guide part;

9: and (4) waterproof bulges.

Detailed Description

Reference will now be made in detail to the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar parts or parts having the same or similar functions throughout. In addition, if a detailed description of the known art is unnecessary for the features of the present application shown, it is omitted. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, elements, and/or components, but do not preclude the presence or addition of one or more other features, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The following describes the technical solutions of the present application and how to solve the above technical problems with specific embodiments.

As shown in fig. 1 to 4, the embodiment of the present application provides a gas stove, which mainly comprises a stove base 1, an outer fire cover 2, an inner fire cover 3 and a gas baffle 4. The outer fire cover 2 is connected with the furnace base 1; the inner fire cover 3 is connected to the stove base 1 and is positioned on the inner side of the outer fire cover 2, and the inner fire cover 3 comprises an air inlet opening 31 and an ignition air outlet 32 corresponding to the ignition induction needle 5; the gas blocking member 4 is disposed inside the inner fire cover 3 to divide the cavity 33 of the inner fire cover into a first region 331 and a second region 332, and the gas blocking member 4 is used for decelerating a portion of a mixed gas of gas and air flowing into the second region 332 through the gas inlet opening 31 into the first region 331 to form a smooth mixed gas flow.

In some possible embodiments, the stove base 1 is used for supporting a heated stove, and the inner fire cover 3 and the outer fire cover 2 are both provided with an air outlet structure for allowing air flowing to the inner fire cover 3 and the outer fire cover 2 to flow out and forming air flow to be ignited. The inner fire cover 3 and the outer fire cover 2 are both fixed on the top of the stove base 1 and used for corresponding to a heating area at the bottom of the heated stove, and the heating area at the bottom of the heated stove is usually the bottom wall of the stove.

The inner fire cover 3 is arranged in the middle of the stove base 1 to form inner ring flame in the middle of the stove base 1, so that the central area of the bottom of the heated stove is heated; the outer fire cover 2 main part is the ring form structure, and outer fire cover 2 encircles interior fire cover 3 and sets up with interior fire cover 3 interval to keep away from the regional outer loop flame that forms in the 1 middle part of stove seat, realize the marginal region heating to being heated cooking utensils bottom. In the use state of the gas stove, the axial direction of the outer fire cover 2 is arranged along the vertical direction, and for convenience of description, the positions and the orientations of all parts of the gas stove in all embodiments of the application are described in a state corresponding to the axial direction of the outer fire cover 2 along the vertical direction.

The cover wall of the inner fire cover 3 encloses a cavity 33 forming the inner fire cover. The air blocking piece 4 is fixed in the cavity 33 of the inner fire cover, and divides the cavity 33 of the inner fire cover into a first area 331 and a second area 332 which are communicated; wherein the first area 331 is close to the ignition air outlet 32, and the second area 332 is far from the ignition air outlet 32; the air blocking member 4 is disposed near the ignition outlet hole 32, and the second region 332 occupies a larger space than the first region 331.

Through the embodiment that this application provided, the mist flow direction that flows into the partial gas in the second district 332 and air keeps off gas spare 4, keep off gas spare 4 block, bounce-back and under the effect of direction, realize the deceleration and form steady mist, at least partial mist flows out from the air outlet 32 that ignites, and ignite by the ignition induction needle 5 that is located the 3 outsides of interior fire lid, form the inner ring flame of steady state, avoid appearing for example the carbon monoxide content exceeds standard in the flue gas that the incomplete combustion caused, bad phenomena such as flame-out after poor and the ignition, and the heating efficiency is improved.

As an alternative embodiment, as shown in fig. 1 to 4, the inner fire cover 3 includes a top wall 34 and a side wall 35 extending along the outer circumference of the top wall 34 in a direction away from the top wall 34, the air inlet opening 31 is opened at the opposite side of the top wall 34, and the ignition outlet hole 32 is provided on the side wall 35; the air blocking member 4 is fixedly connected to the top wall 34, and the distance between the air blocking member 4 and the air inlet opening 31 is smaller than or equal to the distance between the ignition air outlet 32 and the air inlet opening 31.

Based on the foregoing embodiments, some possible embodiments are provided, in which the top wall 34 is a circular plate-shaped structure, and the top wall 34 and the side wall 35 extending along the outer circumferential direction of the top wall 34 in the direction away from the top wall 34 form a cylindrical structure. The top wall 34 is located on the side of the inner fire cover 3 remote from the stove base 1 when the inner fire cover 3 is fitted on the stove base 1. In one possible mixed gas flow path, the mixed gas of gas and air flows from the gas inlet opening 31 into the inner fire cover 3 to the top wall 34, and the flow direction is changed under the blocking action of the top wall 34, and part of the mixed gas flows to the gas blocking member 4 to realize the speed reduction. Wherein, keep off gas piece 4 and can fix on roof 34 to extend to air inlet opening 31 direction (the direction of keeping away from roof 34 promptly), make keep off gas piece 4 be close to the one end of import and air inlet opening 31 apart from the distance less than or equal to ignition venthole 32 with air inlet opening 31, with the area that blocks that increases gas piece 4, avoid appearing the mist and cross gas piece 4, directly flow out interior fire lid 3 from ignition venthole 32 after flowing into first district 331 from second district 332, avoid the mist to do not carry out the direct outflow of deceleration promptly interior fire lid 3.

Based on the previous embodiments, some possible embodiments are provided, the inner fire cover 3 and the stove base 1 can be detachably connected through the matching of the concave-convex structure; for example, the furnace base 1 is provided with a concave part of a ring structure for connecting with the inner fire cover 3, and the end part of the inner fire cover 3 with the air inlet opening 31 can be inserted into the concave part of the ring structure, so as to realize the detachable connection of the inner fire cover 3 and the furnace base 1; in another example, the end of the inner fire cover 3 having the air inlet opening 31 is provided with a recess of a ring structure, the recess of the ring structure of the inner fire cover 3 is formed concavely in the direction toward the top wall 34, and the furnace base 1 is provided with a projection of a ring structure, which is inserted into the recess of the ring structure of the inner fire cover 3 to realize the detachable connection of the inner fire cover 3 and the furnace base 1.

As an alternative embodiment, as shown in fig. 4, the air blocking member 4 includes an air blocking main plate 41, a first air blocking side plate 42, and a second air blocking side plate 43; the first air baffle side plate 42 and the second air baffle side plate 43 are respectively and fixedly connected to two opposite sides of the air baffle main plate 41 at an angle, so that part of the gas and air mixture flowing to the air baffle main plate 41 flows to the ignition air outlet 32 along the first air baffle side plate 42 and the second air baffle side plate 43.

Based on the foregoing embodiments, some possible embodiments are provided, in which the inner wall surface of the top wall 34 is a plane, and the air baffle main plate 41, the first air baffle side plate 42 and the second air baffle side plate 43 are perpendicular to the top wall 34. The first air baffle side plate 42 and the second air baffle side plate 43 are respectively and fixedly connected to two opposite sides of the air baffle main plate 41 at an angle to form a "C" shaped structure, and the opening of the "C" shaped structure faces the ignition air outlet 32. Wherein, the face of keeping off gas mainboard 41 is towards ignition venthole 32, and first fender gas curb plate 42 and second fender gas curb plate 43 set up with lateral wall 35 interval respectively, and this interval is used for the mist to flow, and the mist after the deceleration can follow the face of first fender gas curb plate 42 or second fender gas curb plate 43, keeps off gas mainboard 41 and flows to the one side of keeping off gas mainboard 41 for ignition venthole 32 in a reverse order to form stable mist.

As an alternative embodiment, the air blocking member 4 is fixedly connected to the top wall 34 and the side wall 35, a limited through hole is formed on the air blocking member 4, and part of the mixed gas of the gas and the air flowing into the second area 332 flows into the first area 331 through the flow-limiting through hole; wherein, the distance between the air baffle 4 and the air inlet opening 31 is less than or equal to the distance between the ignition air outlet 32 and the air inlet opening 31.

Based on the foregoing embodiments, some possible embodiments are provided, in which the air blocking member 4 is an air blocking plate, the inner wall surface of the top wall 34 is a plane, the air blocking plate is perpendicular to the top wall 34, the surface of the air blocking plate faces the ignition air inlet, two ends of the air blocking plate respectively extend to the side wall 35 along the direction away from each other, a flow limiting through hole is formed in the thickness direction of the air blocking plate, a part of the mixed gas of the fuel gas and the air flowing into the second region 332 flows into the first region 331 through the flow limiting through hole, and the mixed gas is decelerated through the flow limiting effect of the flow limiting through hole. Wherein, the distance that the baffle is close to the one end of import and air inlet opening 31 apart from less than or equal to ignition venthole 32 and air inlet opening 31 to increase the area that blocks of baffle, avoid appearing the mist and cross fender gas spare 4, directly flow out interior fire lid 3 from ignition venthole 32 after flowing into first district 331 from second district 332, avoid the mist to not carry out speed reduction directly to flow out interior fire lid 3 promptly.

As an alternative embodiment, the air blocking member 4 is fixedly connected to the side wall 35, the air blocking member 4 forms a flow restriction slit with the top wall 34, and part of the mixed gas of gas and air flowing into the second region 332 flows into the first region 331 through the flow restriction slit; wherein, the distance between the air baffle 4 and the air inlet opening 31 is less than or equal to the distance between the ignition air outlet 32 and the air inlet opening 31.

Based on the foregoing embodiments, some possible embodiments are provided, in which the air blocking member 4 is an air blocking plate, the inner wall surface of the top wall 34 is a plane, the air blocking plate is perpendicular to the top wall 34, two ends of the air blocking plate respectively extend to the side walls 35 in the direction away from the top wall, the air blocking plate and the top wall 34 are arranged at an interval to form a flow restriction slit between the air blocking plate and the top wall 34, and the mixed gas flowing from the second area 332 into the first area 331 is slowed down by the flow restriction effect of the flow restriction slit. Wherein, the gas shield is close to the one end of import and inlet opening 31 apart from the distance less than or equal to ignition venthole 32 and inlet opening 31 to increase the area that blocks of gas shield, avoid appearing the mist and cross gas shield 4, directly flow out from ignition venthole 32 after flowing into first district 331 from second district 332 and cover 3 in the fire, avoid the mist to not carry out the direct outflow of deceleration promptly and cover 3 in the fire.

As an alternative embodiment, as shown in fig. 1 and 3, the periphery of the top wall 34 is further provided with an edge projection 6; wherein, the edge bulge 6 and the top wall 34 enclose to form a liquid collecting concave part 7 for collecting liquid overflowing the heated cooker, the side wall 35 is positioned at the inner side of the edge bulge 6 and has a gap with the edge bulge 6, and the edge bulge 6 has a flow guide part 8 for guiding the liquid in the liquid collecting concave part 7 to flow out and flow down along the edge bulge 6.

Based on the foregoing embodiments, some possible embodiments are provided in which the top wall 34 is of a disc-shaped configuration and the side wall 35 is of a circular annular wall configuration. The edge protrusion 6 is of a circular ring-shaped structure and is arranged along the edge of the top wall 34. The edge bulge 6 protrudes from the top wall 34 in the direction away from the side wall 35 on the side of the top wall 34 away from the side wall 35, and the top wall 34 is lower than the edge bulge 6 to form a liquid collection concave part 7; the flow guide part 8 is a flow guide surface connected with the top wall 34 at an angle, and liquid in the liquid collection concave part 7 flows out of the liquid collection concave part 7 along the flow guide surface and flows down along the edge bulge 6. The edge protrusion 6 protrudes from the top wall 34 in a direction close to the side wall 35 on a side of the top wall 34 close to the side wall 35. In a cross-section in the transverse direction, the top wall 34 covers the side wall 35, and a gap is formed between the side wall 35 and the edge projection 6, so that liquid flowing along the edge projection 6 and the side wall 35 to the air outlet structure on the side wall 35 and causing blockage can be avoided.

Based on the foregoing embodiments, some possible embodiments are provided, and the inner fire cover 3 further includes a waterproof protrusion 9, the waterproof protrusion 9 is fixedly connected to the top wall 34, and extends to the outside of the top wall 34 along a direction away from the top wall 34, so as to shield the ignition sensing pin 5 located at the outside of the inner fire cover 3, and prevent the dropped liquid from flowing into the ignition sensing pin 5 to cause blockage.

As shown in fig. 3, as an optional embodiment, the sidewall 35 is provided with first air outlet holes 351 distributed along the circumferential direction, and the sidewall 35 is further provided with a first air outlet slit 352 that opens outward; the first air outlet slit 352 is communicated with the first air outlet hole 351, the first air outlet hole 351 faces the side wall 35, and the mixed gas of the gas and the air flowing out of the first air outlet hole 351 flows to the side wall 35 to change the flowing direction and flows out of the first air outlet slit 352.

Based on the foregoing embodiments, some possible embodiments are provided, in which the sidewall 35 is recessed along the circumferential direction to form a ring-shaped sidewall 35 recess, the sidewall 35 recess is opened outwards, and the width of the opening is smaller, so as to form a first air outlet slot 352 of a slot structure; first venthole 351 along circumferential distribution communicates with the cavity 33 of interior fire lid, and the end of giving vent to anger of first venthole 351 is located first gas outlet gap 352 to towards lateral wall 35 setting, the mist that first venthole 351 flows out changes flow direction under the effect of blockking of lateral wall 35, and reduces the velocity of flow, forms stable mist, and stable mist is lighted the burning from first gas outlet gap 352 outflow, forms stable flame.

The inventor finds that the existing gas stove is usually provided with an outer ring flame and an inner ring flame, but the inner ring flame load is smaller, so that the temperature of the central area of the heated stove is low when a user cooks, and the temperature of the outer area is high, namely the center of the gas stove is lack of heating flames, so that the heating temperature is not uniform.

As shown in fig. 3, as an optional implementation manner, the middle portion of the top wall 34 is provided with second air outlet holes 341 distributed along the circumferential direction, for heating the middle region of the heated cooking stove.

Based on the foregoing embodiments, some possible embodiments are provided, wherein the second outlet holes 341 are communicated with the cavity 33 of the inner fire cover, and the outlet ends of the second outlet holes 341 are distributed along the circumferential direction for forming the annular flame. The second outlet hole 341 may be a circular hole and is axially and vertically disposed. The middle part of the top wall 34 corresponds to the central area of the bottom of the heated cooker, and the annular flame formed by the mixed gas flowing out through the second gas outlet 341 corresponds to the central area of the heated cooker, so as to improve the heating efficiency of the central area of the bottom of the heated cooker.

As shown in fig. 3, as an alternative embodiment, the inner fire cover 3 further includes a top cover 36, and the top cover 36 covers the second air outlet 341 and forms a second air outlet slit 37 with the top wall 34; the second air outlet slit 37 is communicated with the second air outlet hole 341, the second air outlet hole 341 faces the top cover 36, and the mixed gas of the fuel gas and the air flowing out of the ignition air outlet hole 32 flows to the top cover 36 to change the flowing direction and flows out of the second air outlet slit 37.

Based on the foregoing embodiments, some possible embodiments are provided, in which the inner fire cover 3 further includes a support portion (not labeled) for supporting the top cover 36, the support portion protrudes from the top wall 34 along a direction away from the side wall 35 and is disposed at a middle portion of the top wall 34, the second air outlet 341 is disposed around the support portion, and the top cover 36 is fixedly connected to an end of the support portion away from the top wall 34; optionally, the supporting portion is a cylindrical structure, the top cover 36 is a circular plate-shaped structure, one surface of the top cover 36 away from the supporting portion is a curved surface with a middle portion higher than an edge, and the liquid flows into the liquid collecting concave portion 7 along the curved surface, so as to prevent the liquid from flowing into the second air outlet 341 to cause air outlet blockage, and thus the formed flame is unstable.

Based on the foregoing embodiment, another possible embodiment is provided, in which the inner fire cover 3 further includes a boss 38, the boss 38 protrudes from a side of the top wall 34 away from the side wall 35, and the gas outlet end of the second gas outlet 341 is located at a side of the boss 38 away from the top wall 34, so that the gas outlet end of the second gas outlet 341 is away from the liquid collecting recess 7, and the liquid flowing into the second gas outlet 341 is prevented from causing gas outlet blockage, and the burning flame is unstable.

As shown in fig. 2 and 5-9, as an alternative embodiment, the stove base 1 includes a base 11 and a gas distributing member 12 disposed inside the base 11, a plurality of external fire air inlet channels 13 are formed between the base 11 and the gas distributing member 12, an air baffle plate 14 is disposed at an outlet of each external fire air inlet channel 13, and a flow restriction hole 15 is opened on each air baffle plate 14 to reduce a flow rate of a mixed gas of gas and air.

Based on the foregoing embodiments, some possible embodiments are provided, in which the base 11 is a circular bowl-shaped structure, and a gas inlet 111 is formed in the center of the bottom of the base 11; a plurality of first air inlets 112 are formed at the bottom of the base 11 around the gas inlet 111; the shell wall of the base 11 is enclosed to form a containing cavity 113, in the containing cavity 113, a first external fire air inlet concave wall 131 is formed by sinking between two adjacent first air inlets 112, and one end of the first external fire air inlet concave wall 131 is communicated with the fuel gas inlet 111.

Alternatively, the first air intake 112 may be fan-shaped in cross section in the vertical direction; in the direction of the base 11 away from the air separator 12, the sectional area of the first air inlet 112 in the vertical direction is larger, that is, the air inlet side opening of the first air inlet 112 is the largest, the air outlet side opening of the first air inlet 112 is the smallest, and the air inlet side to the air outlet side opening of the first air inlet 112 is smaller and smaller along the air flowing direction.

The air distributor 12 is a disc-shaped structure, the middle of the air distributor 12 is provided with an internal fire air inlet channel 121 surrounding the internal fire air inlet channel 121, and the air distributor 12 is provided with a second air inlet 122, and the second air inlet 122 is used for corresponding to the first air inlet 112 so that part of air flowing in from the air inlet side of the first air inlet 112 flows out from the air outlet side of the second air inlet 122. And a second external fire air inlet concave wall 132 forming a concave structure is sunken between two adjacent second air inlets 122.

When the air distributing member 12 is assembled in the accommodating cavity 113 of the base 11, the openings of the first external fire air inlet concave wall 131 and the second external fire air inlet concave wall 132 are opposite and attached to form a space for gas circulation between the first external fire air inlet concave wall 131 and the second external fire air inlet concave wall 132, so as to form the external fire air inlet channel 13. One end of the inner fire air inlet channel 121 extends to the gas inlet 111 and is arranged at an interval with the annular wall forming the gas inlet 111 so as to form a structure communicated with the outer fire air inlet channel 13 between the inner fire air inlet channel 121 and the annular wall forming the gas inlet 111, so that part of the gas entering from the gas inlet 111 flows into the inner fire air inlet channel 121, and the other part of the gas flows into the outer fire air inlet channel 13; wherein, the inner fire air inlet channel 121 is communicated with the cavity 33 of the inner fire cover.

The edge of the gas distributing piece 12 and the edge of the base 11 are arranged at intervals to form an annular circulation channel 16, an outlet of each external fire air inlet channel 13 is provided with an air baffle sheet 14, and the air baffle sheets 14 are positioned in the annular circulation channel 16 and extend towards the direction of the base 11; each air baffle sheet 14 is provided with two flow limiting holes 15, so that the flow speed of the mixed gas of fuel gas and air at the position can be reduced, and the phenomenon that the main flame height of the outer ring flame is uneven is reduced. Alternatively, the air baffle 14 is horizontally arranged, and the flow limiting hole 15 is axially vertically arranged.

As shown in fig. 10-12, as an alternative embodiment, the outer fire cover 2 is provided with a first communicating hole 21 and a second communicating hole 22, and the outer fire cover 2 is provided with a fire transmitting seam 23 extending along the inner side of the outer fire cover 2 to the outer side of the outer fire cover 2; wherein, the first communicating hole 21 and the second communicating hole 22 are both communicated with the fire transfer seam 23 and the gas intake channel, and the first communicating hole 21 and the second communicating hole 22 are arranged at an angle to reduce the speed of the gas flow fire transfer seam 23.

Based on the foregoing embodiments, some possible embodiments are provided, in which the cover wall of the outer fire cover 2 encloses a cavity 26 forming the outer fire cover, the outer fire cover 2 has an opening, which is an air inlet of the outer fire cover 2, and the end of the outer fire cover 2 having the air inlet is inserted into the annular flow channel 16 between the edge of the air distributor 12 and the edge of the base 11, so as to realize the detachable connection of the outer fire cover 2 and the stove base 1. The mixed gas flows out from the outer fire gas inlet channel 13, part of the mixed gas flows into the cavity 26 of the outer fire cover through the annular circulating channel 16, and the other part of the mixed gas flows to the fire transfer seam 23 through the first communicating hole 21 and the second communicating hole 22 to be ignited and combusted, and flows out from the two sides and the top of the fire transfer seam 23. Wherein, the mixed gas is end flame from the inner side of the fire transfer seam 23, then reaches the outer side end of the fire transfer seam 23 through the fire transfer seam 23, and then transfers the fire to the gas outlet structure of the outer fire cover 2. The first communicating hole 21 and the second communicating hole 22 increase the distance from the gas to the fire transfer seam 23, so that the flow rate of the gas passing through the fire transfer seam 23 is reduced, flame at the fire transfer seam 23 is prevented from leaving flame, and the problem of poor rigidity caused by the fact that the existing fire transfer seam 23 directly cuts through the outer fire cover 2 is solved.

As shown in fig. 10-12, as an alternative embodiment, the outer fire cover 2 is provided with third air outlet holes 24 distributed along the circumferential direction, and the outer fire cover 2 is further provided with a third air outlet slit 25 which is opened outwards; wherein, the third air outlet gap 25 communicates in the third venthole 24, and the third venthole 24 is towards outer fire lid 2, and the gas mixture flow direction of the gas that flows out from the third venthole 24 and air is outer fire lid 2 in order to change the flow direction and flow out from the third air outlet gap 25.

Based on the foregoing embodiments, some possible embodiments are provided, in which the cover wall of the outer fire cover 2 is recessed along the circumferential direction to form an annular outer fire cover recess, the opening of the outer fire cover recess faces outward (away from the inner fire cover 3), and the width of the opening is smaller, so as to form a third air outlet seam 25 of a seam structure; third venthole 24 and the cavity intercommunication that distributes along circumference, and give vent to anger the end and lie in third gas gap 25 to towards the lid wall setting of outer fire lid 2, the mist that third venthole 24 flows out changes flow direction under the effect of blockking of the lid wall of outer fire lid 2, and reduces the velocity of flow, in order to form stable mist, stable mist flows out from third gas gap 25 and is lighted, forms stable flame.

As shown in fig. 10-12, based on the foregoing embodiments, some possible embodiments are provided, the sidewall 35 of the inner fire cover 3 is further provided with fourth air outlet holes 39 distributed along the circumferential direction, the outer fire cover 2 is provided with fifth air outlet holes 27 distributed along the circumferential direction, and air outlet ends of the fifth air outlet holes 27 face to the outside, that is, away from the inner fire cover 3; the mist flows out and is lighted through first venthole 351, second venthole 341, third venthole 24, fourth venthole 39 and fifth venthole 27 respectively and forms annular heating flame, forms multi-level heating flame to the realization is regional, keep away from regional and marginal region heating in the middle part at the bottom of being heated the cooking utensils, in order to be heated the even heating of cooking utensils, make edible material be heated evenly, improve the heating effect.

As an alternative embodiment, the inner side surface (the surface facing the inner fire cover 3) of the outer fire cover 2 is a guide surface 28, the guide surface 28 is inclined towards the inner side, the air outlet ends of the third air outlet hole 24 and the fifth air outlet hole 27 are positioned on the outer side surface of the outer fire cover 2, and the flowing-down liquid slides to the inner side of the outer fire cover 2 along the guide surface 28 so as to be far away from the air outlet ends of the third air outlet hole 24 and the fifth air outlet hole 27 on the outer side surface of the outer fire cover 2, thereby avoiding the blockage of the third air outlet hole 24 and the fifth air outlet hole 27.

By applying the embodiment of the application, at least the following beneficial effects can be realized:

the mixed gas of partial gas and air that flows into in the second district 332 flows to keeping off gas spare 4, under the effect that keeps off gas spare 4 blockking, bounce-back and direction, realizes the deceleration and forms steady mixed gas stream, and at least partial mixed gas stream flows out from the venthole 32 that ignites, and is lighted by the ignition induction needle 5 that is located the interior fire lid 3 outside, forms the inner ring flame of steady state, avoids appearing for example the incomplete carbon monoxide content in the flue gas that causes of burning exceeds standard, bad phenomenon such as flame-out after the poor and ignition, has improved heating efficiency.

The top of interior fire lid 3 is provided with album liquid concave part 7 for collect and spill over the liquid of being heated the cooking utensils, this liquid can follow the water conservancy diversion face and flow collection liquid concave part 7 after getting into album liquid concave part 7, and along the protruding 6 flows down of edge, in order to keep away from the structure of giving vent to anger on the lateral wall 35, avoid causing the jam of the structure of giving vent to anger and the unstability of flame.

The gas baffle plate and the flow limiting hole 15 arranged at the outlet of the outer fire air inlet channel 13 can reduce the flow speed of the gas and air mixed gas at the position and reduce the phenomenon of uneven main flame height of the outer ring fire.

The first communicating hole 21 and the second communicating hole 22 increase the distance from the gas to the fire transfer slit 23, so that the flow rate of the gas passing through the fire transfer slit 23 is reduced, flame at the fire transfer slit 23 is prevented from leaving flame, and the problem of poor rigidity caused by the fact that the existing fire transfer slit 23 directly cuts through the outer fire cover 2 is solved.

The top wall 34 middle part of interior fire lid 3 corresponds with the central zone by the heating cooking utensils bottom, through setting up the second venthole 341 here to form the heating flame to the central zone by the heating cooking utensils, improve to the central zone heating efficiency by heating cooking utensils bottom, avoid heating temperature inhomogeneous, improve the heating effect.

Those of skill in the art will appreciate that the various operations, methods, steps in the processes, acts, or solutions discussed in this application can be interchanged, modified, combined, or eliminated. Further, other steps, measures, or schemes in various operations, methods, or flows that have been discussed in this application can be alternated, altered, rearranged, broken down, combined, or deleted. Further, steps, measures, schemes in the prior art having various operations, methods, procedures disclosed in the present application may also be alternated, modified, rearranged, decomposed, combined, or deleted.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.

In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least a portion of the steps in the flow chart of the figure may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed alternately or alternately with other steps or at least a portion of the sub-steps or stages of other steps.

The foregoing is only a few embodiments of the present application and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present application, and that these improvements and modifications should also be considered as the protection scope of the present application.

Claims (10)

1. A gas cooker, comprising:

a furnace base (1);

the outer fire cover (2) is connected to the furnace base (1);

the inner fire cover (3) is connected to the furnace base (1) and is positioned on the inner side of the outer fire cover (2), and the inner fire cover (3) comprises an air inlet opening (31) and an ignition air outlet hole (32) corresponding to the ignition induction needle (5);

keep off gas spare (4), set up in interior fire lid (3) are inboard, in order to incite somebody to action cavity (33) of interior fire lid divide into first district (331) and second district (332), keep off gas spare (4) are used for will passing through inlet opening (31) flow in the gas mixture of part gas and air in second district (332) slows down and gets into first district (331) is in order to form steady gas mixture.

2. Gas burner according to claim 1,

the inner fire cover (3) comprises a top wall (34) and a side wall (35) extending along the outer circumferential direction of the top wall (34) in the direction away from the top wall (34), the air inlet opening (31) is arranged on the opposite side of the top wall (34), and the ignition air outlet hole (32) is arranged on the side wall (35);

the air blocking piece (4) is fixedly connected to the top wall (34), and the distance between the air blocking piece (4) and the air inlet opening (31) is smaller than or equal to the distance between the ignition air outlet hole (32) and the air inlet opening (31).

3. Gas burner according to claim 2,

the air blocking piece (4) comprises an air blocking main plate (41), a first air blocking side plate (42) and a second air blocking side plate (43);

the first air blocking side plate (42) and the second air blocking side plate (43) are fixedly connected to two opposite sides of the air blocking main plate (41) in an angled mode respectively, so that part of mixed gas of gas and air flowing to the air blocking main plate (41) flows to the ignition air outlet (32) along the first air blocking side plate (42) and the second air blocking side plate (43).

4. Gas range according to claim 2,

the periphery of the top wall (34) is also provided with an edge bulge (6);

the edge bulge (6) and the top wall (34) are surrounded to form a liquid collection concave part (7) used for collecting liquid overflowing from the heated cooker, the side wall (35) is located on the inner side of the edge bulge (6) and has a gap with the edge bulge (6), the edge bulge (6) is provided with a flow guide part (8) used for guiding the liquid in the liquid collection concave part (7) to flow out and flow down along the edge bulge (6).

5. Gas burner according to claim 2,

the side wall (35) is provided with first air outlet holes (351) distributed along the circumferential direction, and the side wall (35) is also provided with a first air outlet seam (352) with an outward opening;

wherein the first air outlet slit (352) is communicated with the first air outlet hole (351), the first air outlet hole (351) faces the side wall (35), and the mixed gas of the gas and the air flowing out of the first air outlet hole (351) flows to the side wall (35) to change the flowing direction and flows out of the first air outlet slit (352).

6. Gas burner according to claim 2,

and the middle part of the top wall (34) is provided with second air outlet holes (341) distributed along the circumferential direction and used for heating the middle area of the heated cooker.

7. Gas burner according to claim 6, characterized in that the inner flame cover (3) further comprises:

the top cover (36) is covered on the second air outlet hole (341) and forms a second air outlet gap (37) with the top wall (34);

the second air outlet gap (37) is communicated with the second air outlet hole (341), the second air outlet hole (341) faces the top cover (36), and the mixed gas of the fuel gas and the air flowing out of the ignition air outlet hole (32) flows to the top cover (36) so as to change the flowing direction and flow out of the second air outlet gap (37).

8. Gas burner according to claim 1,

stove seat (1) include base (11) and set up in base (11) inboard branch gas spare (12), be formed with a plurality of outer fire inlet channel (13) between base (11) and branch gas spare (12), every the exit of outer fire inlet channel (13) is provided with air blocking piece (14), every air blocking piece (14) are last seted up restricted aperture (15) to reduce the velocity of flow of the mist of gas and air.

9. Gas range according to claim 8,

a first communicating hole (21) and a second communicating hole (22) are formed in the outer fire cover (2), and a fire transmitting seam (23) extending from the inner side of the outer fire cover (2) to the outer side of the outer fire cover (2) is formed in the outer fire cover (2);

the first communication hole (21) and the second communication hole (22) are communicated with the fire transfer seam (23) and the external fire air inlet channel (13), and the first communication hole (21) and the second communication hole (22) are arranged at an angle so as to reduce the speed of gas flowing through the fire transfer seam (23).

10. Gas burner according to claim 1,

the outer fire cover (2) is provided with third air outlet holes (24) distributed along the circumferential direction, and the outer fire cover (2) is also provided with a third air outlet seam (25) with an outward opening;

the third air outlet gap (25) is communicated with the third air outlet hole (24), the third air outlet hole (24) faces the outer fire cover (2), and mixed gas of gas and air flowing out of the third air outlet hole (24) flows to the outer fire cover (2) to change the flowing direction and then flows out of the third air outlet gap (25).

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