CN218544417U - Gas kitchen ranges - Google Patents

Abstract

The utility model relates to a gas stove, this gas stove includes: the center of the furnace end is provided with a ventilation channel extending vertically; the fire cover is of an integrally formed structure, is arranged at the top of the furnace end and is respectively enclosed with the furnace end to form an inner ring air mixing cavity, a middle ring air mixing cavity and an outer ring air mixing cavity; the inner ring air mixing cavity, the middle ring air mixing cavity and the outer ring air mixing cavity are all annular, and are coaxially arranged around the axis of the ventilation channel and are sequentially arranged from inside to outside. The utility model utilizes the integrated structure of the fire cover, and can be matched with the furnace end to simultaneously form an inner ring air mixing cavity, a middle ring air mixing cavity and an outer ring air mixing cavity, thereby simplifying the structure of the fire cover, being beneficial to reducing the cost of the fire cover, reducing the heat absorbed by the fire cover and being beneficial to improving the energy efficiency; when the user gets and puts the fire cover, easy operation is convenient, easily operates, has improved the convenience that the user got and puts the fire cover.

Description

Gas kitchen ranges

Technical Field

The utility model relates to a gas equipment technical field, in particular to gas stove.

Background

The gas stove is a kitchen utensil heated by direct fire with liquefied petroleum gas (liquid), artificial gas, natural gas and other gas fuels, and becomes an indispensable electrical product in household life. Along with the improvement of living standard of people, the performance requirements of people on various gas stoves are higher and higher, including firepower size adjustment.

The cyclone fire burner in the gas stove on the market at present generally has an inner ring and an outer ring, the inner ring fire cover and the outer ring fire cover need to be separately processed, the structure is complex, the cost is higher, the heat generated by gas combustion can be excessively used for heating the fire cover and cannot be absorbed by a cooker, so that the heat efficiency is lower; and the fire cover is required to be operated independently when being taken and placed, the steps are complicated, and the fire cover is easy to be placed in place, so that the faults of air leakage, fire leakage and the like are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas-cooker to optimize the structure of gas-cooker among the correlation technique, promote the efficiency of gas-cooker.

In order to solve the technical problem, the utility model adopts the following technical scheme:

according to an aspect of the utility model, the utility model provides a gas stove, this gas stove includes: the center of the furnace end is provided with a ventilation channel extending vertically; the fire cover is of an integrally formed structure, is arranged at the top of the furnace end and is respectively surrounded with the furnace end to form an inner ring air mixing cavity, a middle ring air mixing cavity and an outer ring air mixing cavity; the inner ring air mixing cavity, the middle ring air mixing cavity and the outer ring air mixing cavity are all annular, and the inner ring air mixing cavity, the middle ring air mixing cavity and the outer ring air mixing cavity are coaxially arranged around the axis of the ventilation channel and are sequentially arranged from inside to outside.

In some embodiments of the present application, a first annular protrusion, a second annular protrusion, a third annular protrusion and a fourth annular protrusion which are concentrically arranged are convexly arranged at the bottom of the fire cover; the first annular bulge, the second annular bulge, the third annular bulge and the fourth annular bulge are all in annular structures and are sequentially arranged at intervals from inside to outside along the radial direction of the fire cover; the first annular bulge, the second annular bulge and the top of the furnace end form an inner annular gas mixing cavity in a surrounding manner; the second annular bulge, the third annular bulge and the top of the furnace end form an intermediate ring mixed gas cavity in a surrounding manner; the third annular bulge, the fourth annular bulge and the top of the furnace end form the outer annular gas mixing cavity in a surrounding mode.

In some embodiments of the present application, a reinforcing rib is disposed at the bottom of the fire cover, the reinforcing rib extends along the radial direction of the fire cover, one end of the reinforcing rib facing the center of the fire cover is connected to the second annular protrusion, and one end of the reinforcing rib facing away from the center of the fire cover is connected to the third annular protrusion; the strengthening rib is equipped with a plurality ofly, and is a plurality of the strengthening rib encircles the second ring is protruding to be circumferential interval arrangement.

In some embodiments of the present application, an inner ring fire gap is formed on the inner wall of the fire cover, and the inner ring fire gap is annular and arranged around the periphery of the ventilation channel; an inner ring fire hole is formed in the fire cover and is communicated with the inner ring gas mixing cavity and the inner ring fire gap; the inner ring fire holes are provided with a plurality of fire holes and are circumferentially arranged around the periphery of the inner ring fire gaps.

In some embodiments, the inner ring fire hole extends along a radial direction of the vent channel, and the inner ring fire hole extends obliquely upward in a direction toward a center of the vent channel.

In some embodiments of the present application, the fire cover is provided with a plurality of middle ring fire holes for communicating the middle ring gas mixing cavity with the ventilation channel, and the plurality of middle ring fire holes are circumferentially arranged around the fire cover at intervals; the fire cover is provided with a plurality of outer ring fire holes for communicating the outer ring gas mixing cavity with the ventilation channel, and the outer ring fire holes are arranged around the fire cover at intervals in the circumferential direction; the middle ring fire hole and the outer ring fire hole are both in a round fire hole structure.

In some embodiments of the present application, in a direction toward a center of the ventilation channel, the middle ring fire hole and the outer ring fire hole both extend obliquely upward, and the middle ring fire hole and the outer ring fire hole are both distributed in a clockwise or counterclockwise circumferential inward rotation manner.

In some embodiments of the present application, a flame stabilizing slit is formed on an inner wall of the fire cover, and the flame stabilizing slit is annular and arranged around the peripheral side of the ventilation channel; the flame stabilizing hole is formed in the flame cover and is communicated with the middle ring gas mixing cavity and the flame stabilizing seam; the flame stabilizing holes are arranged in a plurality and circumferentially arranged around the flame stabilizing slits; the middle ring fire hole is positioned on the inner side of the flame stabilizing seam, and the outer ring fire hole is positioned on the outer side of the flame stabilizing seam.

In some embodiments of the present application, a first annular wall, a second annular wall, a third annular wall and a fourth annular wall which are concentrically arranged are convexly arranged at the top of the furnace end; the first annular wall, the second annular wall, the third annular wall and the fourth annular wall are all in an annular structure and are sequentially arranged at intervals from inside to outside along the radial direction of the furnace end; the bottom of the first annular protrusion is connected with the top of the first annular wall from top to bottom, the bottom of the second annular protrusion is connected with the top of the second annular wall from top to bottom, the bottom of the third annular protrusion is connected with the top of the third annular wall from top to bottom, and the bottom of the fourth annular protrusion is connected with the top of the fourth annular wall from top to bottom.

In some embodiments of the present application, the burner includes a burner base and a burner cover; a furnace chamber with an opening at the top is formed in the furnace base; the center of the furnace cover is provided with the ventilation channel, the furnace cover is arranged in the furnace cavity, a ventilation gap is formed between the outer wall of the furnace cover and the inner wall of the furnace cavity, and the center side of the ventilation gap is communicated with the ventilation channel; the first annular wall, the second annular wall, the third annular wall and the fourth annular wall are all formed at the top of the furnace cover, and the first annular wall, the second annular wall, the third annular wall and the fourth annular wall are coaxial around the axis of the ventilation channel and are sequentially arranged at intervals from inside to outside; and air vents are formed in the peripheral side wall of the furnace base and are communicated with the air vent gap and the external space of the furnace base.

According to the above technical scheme, the embodiment of the utility model provides an at least have following advantage and positive effect:

in the gas stove provided by the embodiment of the utility model, the integrally formed structure of the fire cover is utilized, the fire cover can be matched with the stove head to simultaneously form an inner ring gas mixing cavity, a middle ring gas mixing cavity and an outer ring gas mixing cavity, the structure of the fire cover is simplified, the cost of the fire cover is favorably reduced, and meanwhile, the heat absorbed by the fire cover is reduced, so that the energy efficiency is favorably improved; when the user gets and puts the fire cover, easy operation is convenient, easily operates, has improved the convenience that the user got and puts the fire cover.

Drawings

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

Fig. 2 is a schematic view of the structure of the inside of the gas range of fig. 1.

Fig. 3 is a partial structural schematic diagram of fig. 2.

Fig. 4 is an exploded schematic view of fig. 3.

Fig. 5 is an exploded view of the burner of fig. 4.

Fig. 6 is a cross-sectional view of the lid of fig. 5.

Fig. 7 is a schematic view of the fire lid of fig. 4.

Fig. 8 is a schematic view of the structure of fig. 7 from another perspective.

Fig. 9 is a top view of fig. 7.

Fig. 10 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A in fig. 9.

Fig. 11 is a top view of fig. 3.

Fig. 12 is a sectional view taken along line B-B in fig. 11.

Fig. 13 is an enlarged schematic view of region C in fig. 12.

The reference numerals are explained below: 1. a housing; 10. a mounting cavity; 11. a bottom case; 12. a cover plate; 13. a support frame; 2. a furnace end; 20. a vent passage; 21. a furnace base; 210. a furnace chamber; 211. a vent gap; 212. a vent; 22. a furnace cover; 221. a support portion; 222. a first annular wall; 223. a second annular wall; 224. a third annular wall; 225. a fourth annular wall; 23. an injection pipe; 3. a fire cover; 30. a fire trough; 31. a first annular protrusion; 32. a second annular protrusion; 33. a third annular protrusion; 34. a fourth land; 35. inner ring fire seams; 351. an inner ring fire hole; 36. a middle fire hole; 37. an outer ring fire hole; 38. stabilizing the flame seam; 381. a flame stabilizing hole; 39. reinforcing ribs; 4. an inner ring air mixing cavity; 5. the middle-ring gas mixing cavity; 6. and the outer ring is provided with a gas mixing cavity.

Detailed Description

Exemplary embodiments that embody features and advantages of the present invention will be described in detail in the following description. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.

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.

Furthermore, 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, features defined as "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

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; can be mechanically or electrically connected; 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.

The rotary fire burner in the gas stove on the market at present generally has an inner ring and an outer ring, the inner ring and the outer ring fire covers need to be processed separately, the structure is complex, the cost is high, the heat generated by gas combustion can be used for heating the fire covers too much and can not be absorbed by a cooker, and the heat efficiency is low; and the fire cover needs to be operated independently when being taken and placed, the steps are complicated, and the fire cover is easy to be placed in place, so that the faults of air leakage, fire leakage and the like are caused.

Fig. 1 is a schematic structural view of a gas stove according to an embodiment of the present invention. Fig. 2 is a schematic view of the structure of the inside of the gas range of fig. 1.

Referring to fig. 1 and fig. 2, a gas stove provided by the embodiment of the present invention mainly includes a housing 1 and a combustion system disposed in the housing 1. The housing 1 includes a bottom case 11 and a cover 12. The combustion system mainly comprises a furnace end 2 and a fire cover 3.

Referring to fig. 1 and 2, the bottom case 11 is hollow, a top opening of the bottom case 11 is opened, and the cover 12 covers the top opening of the bottom case 11. A mounting cavity 10 is formed between the bottom shell 11 and the cover plate 12, and the mounting cavity 10 is used for providing a mounting space for the combustion system, that is, a mounting space is provided for the burner 2, the fire cover 3 and other components.

The cover plate 12 is provided with a through hole (not shown) penetrating through the cover plate 12, and the through hole is communicated with the mounting cavity 10. The burner 2 is arranged opposite to the through hole, most of the structure of the burner 2 is covered in the mounting cavity 10 by the cover plate 12, and the burner 2 and the fire cover 3 in the combustion system can be exposed out of the through hole, so that flame is formed at the through hole.

In some embodiments, the cover plate 12 is provided with a support frame 13, and the support frame 13 is disposed at the through hole and arranged around the through hole. Cooking utensils such as pans can be supported on the supporting frame 13, so that the pans are erected above the furnace end 2 and are heated to realize cooking function.

Fig. 3 is a partial structural schematic diagram of fig. 2. Fig. 4 is an exploded schematic view of fig. 3.

Referring to fig. 2 to 4, the burner 2 is disposed in the mounting cavity 10, and the burner 2 is used for providing a mounting space for the fire cover 3. A plurality of air mixing cavities are formed on the burner 2, and comprise an inner ring air mixing cavity 4, a middle ring air mixing cavity 5 and an outer ring air mixing cavity 6, so that flames of various positions of the gas stove can be realized, and various different firepower gears can be realized.

A ventilation channel 20 extending vertically is formed at the center of the burner 2, and the ventilation channel 20 is communicated with the outer space of the burner 2 and is communicated with each gas mixing cavity. Therefore, when each gas mixing cavity gas burns, the outside air of furnace end 2 can enter into the air channel 20, and then provides the air for the gas burning in each gas mixing cavity to improve the combustion efficiency of each gas mixing cavity gas.

Fig. 5 is an exploded view of the burner 2 of fig. 4. Fig. 6 is a cross-sectional view of the furnace lid 22 of fig. 5.

Referring to fig. 2 to 6, in some embodiments, the burner 2 includes a base 21 and a cap 22 that are detachably connected.

Wherein, the furnace base 21 is fixedly installed in the installation cavity 10, and a furnace cavity 210 with an open top is formed in the furnace base 21. The furnace lid 22 is detachably provided in the furnace chamber 210. The top of the furnace lid 22 is used to form a gas mixing chamber and the bottom of the furnace lid 22 is supported within the furnace chamber 210. The center of the furnace lid 22 forms an air vent 20 vertically penetrating the furnace lid 22.

When the cover 22 is mounted in the holder 21, a ventilation gap 211 is formed between the outer wall of the cover 22 and the inner wall of the cavity 210. Specifically, the air gaps 211 are formed between an inner bottom surface of the cavity 210 and a bottom surface of the cap 22 and between an inner circumferential wall of the cavity 210 and an outer circumferential wall of the cap 22.

The ventilation channel 20 is located at the center of the ventilation gap 211, the center side of the ventilation gap 211 communicates with the ventilation channel 20, and the peripheral side of the ventilation gap 211 communicates with the outer space of the burner 2. The bottom end of the ventilation channel 20 communicates with the ventilation gap 211, and the top end of the ventilation channel 20 communicates with the space outside the burner 2. Therefore, air can freely flow in the vent gap 211 and the vent passage 20.

Referring to fig. 2 to 6, in some embodiments, a plurality of support portions 221 are protruded from the bottom of the furnace cover 22, and bottom ends of the support portions 221 are supported on a bottom surface of the furnace chamber 210, so that the furnace cover 22 can be supported in the furnace chamber 210, and a space between an outer circumference of the furnace cover 22 and an inner wall of the furnace chamber 210 can be maintained, and a ventilation gap 211 can be formed between the outer circumference of the furnace cover 22 and the inner wall of the furnace chamber 210.

In other embodiments, the stove base 21 and the stove cover 22 may be integrally formed, the ventilation channel 20 and the ventilation gap 211 are both formed in the stove head 2, and the ventilation gap 211 may be used to communicate the bottom end of the ventilation channel 20 with the external space of the stove head 2.

Referring to fig. 5, in some embodiments, the peripheral side wall of the furnace base 21 is provided with a vent 212, and the vent 212 communicates the vent gap 211 with the external space of the furnace base 21. Therefore, the air outside the oven seat 21 can enter the vent gap 211 through the vent hole 212, and further enter the vent passage 20 from the bottom of the vent passage 20.

In some embodiments, the plurality of vents 212 may be provided, and the plurality of vents 212 are circumferentially spaced around the outer peripheral wall of the hob 21. It should be noted that in other embodiments, only one vent 212 may be provided.

Referring to fig. 4 to 6, in some embodiments, a first annular wall 222, a second annular wall 223, a third annular wall 224 and a fourth annular wall 225 are protruded upward from the top of the furnace cover 22. The first annular wall 222, the second annular wall 223, the third annular wall 224 and the fourth annular wall 225 are all annular structures and are sequentially arranged at intervals from inside to outside along the radial direction of the furnace end 2. Specifically, the first annular wall 222 is disposed around the periphery of the vent passage 20, the second annular wall 223 is disposed around the outer periphery of the first annular wall 222, the third annular wall 224 is disposed around the outer periphery of the second annular wall 223, the fourth annular wall 225 is disposed around the outer periphery of the third annular wall 224, and the first annular wall 222, the second annular wall 223, the third annular wall 224 and the fourth annular wall 225 are coaxially disposed and sequentially spaced from the inside to the outside.

When the fire cover 3 is covered on the top of the furnace cover 22, the first annular wall 222, the second annular wall 223 and the fire cover 3 can be enclosed to form an inner annular gas mixing cavity 4, the second annular wall 223, the third annular wall 224 and the fire cover 3 can be enclosed to form a middle annular gas mixing cavity 5, the third annular wall 224, the fourth annular wall 225 and the fire cover 3 can be enclosed to form an outer annular gas mixing cavity 6, and the inner annular gas mixing cavity 4, the middle annular gas mixing cavity 5 and the outer annular gas mixing cavity 6 are coaxially arranged around the axis of the ventilation channel 20 and sequentially arranged from inside to outside.

Referring to fig. 4 to 6, in some embodiments, an injection pipe 23 is disposed on the furnace base 21, and the injection pipe 23 is used for connecting a gas pipeline (not shown) to supply gas to each gas mixing chamber. Specifically, a plurality of the ejector pipes 23 are provided, and one ends of the plurality of the ejector pipes 23 are respectively communicated with the inner ring gas mixing cavity 4, the middle ring gas mixing cavity 5 and the outer ring gas mixing cavity 6, so as to respectively provide fuel gas for the inner ring gas mixing cavity 4, the middle ring gas mixing cavity 5 and the outer ring gas mixing cavity 6.

Fig. 7 is a schematic structural view of the fire cover 3 in fig. 4. Fig. 8 is a schematic view of the structure of fig. 7 from another perspective. Fig. 9 is a top view of fig. 7. Fig. 10 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A in fig. 9.

Referring to fig. 4 to 10, the fire cover 3 is disposed on the top of the burner 2, and the fire cover 3 is of an integral structure and is used to respectively surround the top of the burner 2 to form an inner annular air mixing cavity 4, a middle annular air mixing cavity 5 and an outer annular air mixing cavity 6. The integral type structure of fire lid 3 is favorable to having simplified the structure of fire lid 3, reduces the cost of fire lid 3, reduces the absorptive heat of fire lid 3 itself simultaneously, is favorable to promoting the efficiency. When the user takes and puts the fire cover 3, the operation is simple and convenient, the operation is easy, and the convenience of taking and putting the fire cover 3 by the user is improved.

In some embodiments, the bottom of the fire lid 3 is provided with a first annular protrusion 31, a second annular protrusion 32, a third annular protrusion 33 and a fourth annular protrusion 34 which are concentrically arranged. The first annular protrusion 31, the second annular protrusion 32, the third annular protrusion 33 and the fourth annular protrusion 34 are all in an annular structure and are sequentially arranged from inside to outside at intervals along the radial direction of the fire cover 3.

When the fire lid 3 is closed on the top of the lid 22, the bottom of the first annular projection 31 is vertically connected with the top of the first annular wall 222, the bottom of the second annular projection 32 is vertically connected with the top of the second annular wall 223, the bottom of the third annular projection 33 is vertically connected with the top of the third annular wall 224, and the bottom of the fourth annular projection 34 is vertically connected with the top of the fourth annular wall 225. Therefore, the inner annular air mixing chamber 4 can be enclosed between the first annular projection 31 and the second annular projection 32 of the fire cover 3 and the first annular wall 222 and the second annular wall 223 of the burner 2. The middle ring air mixing chamber 5 can be enclosed between the second and third annular protrusions 32, 33 of the fire cover 3 and the second and third annular walls 223, 224 of the burner 2. An outer ring air mixing chamber 6 can be enclosed between the third ring bulge 33 and the fourth ring bulge 34 of the fire cover 3 and the third ring wall 224 and the fourth ring wall 225 of the burner 2.

In some embodiments, the fire cover 3 is ring-shaped, and a conical fire groove 30 is formed at the center of the fire cover 3. When the fire lid 3 is closed on top of the lid 22, the fire slot 30 is connected to the air vent passage 20 up and down. The fire groove 30 is located at the top of the vent passage 20, and the fire groove 30 communicates with the top of the vent passage 20. The inner ring air mixing cavity 4, the middle ring air mixing cavity 5 and the outer ring air mixing cavity 6 can be respectively communicated with the fire groove 30, so that the inner ring air mixing cavity 4, the middle ring air mixing cavity 5 and the outer ring air mixing cavity 6 are communicated with the ventilation channel 20 through the fire groove 30, the ventilation channel 20 can provide air for the combustion of the gas in each air mixing cavity, and the combustion efficiency of the gas in each air mixing cavity is improved.

Fig. 11 is a top view of fig. 3. Fig. 12 is a sectional view taken along line B-B in fig. 11. Fig. 13 is an enlarged schematic view of region C in fig. 12.

Referring to fig. 9 to 13, in some embodiments, the inner wall of the fire cover 3 is provided with an inner ring fire gap 35, the inner ring fire gap 35 is annular, and the inner ring fire gap 35 is disposed around the inner wall of the fire chute 30, so that the inner ring fire gap 35 can be disposed around the peripheral side of the ventilation channel 20. The central side of inner ring fire seam 35 is linked together with fire trough 30, and the periphery side of inner ring fire seam 35 is linked together with inner ring gas mixing chamber 4, makes inner ring fire seam 35 can communicate inner ring gas mixing chamber 4 and fire trough 30, and then makes inner ring fire seam 35 can communicate ventilation channel 20, consequently, the gas in the inner ring gas mixing chamber 4 can get into in fire trough 30 and the ventilation channel 20 through inner ring fire seam 35 and burn.

In some embodiments, the inner ring fire slots 35 are arranged horizontally, and the center side of the inner ring fire slots 35 is horizontally oriented toward the center of the fire slot 30 and the vent passage 20.

In some embodiments, the fire cover 3 is provided with an inner ring fire hole 351, and the inner ring fire hole 351 is used for communicating the inner ring gas mixing chamber 4 and the inner ring fire gap 35. Specifically, the inner ring fire hole 351 extends toward the center of the fire cover 3, the inner end of the inner ring fire hole 351 is communicated with the inner ring fire slit 35, and the outer end of the inner ring fire hole 351 is communicated with the inner ring air mixing chamber 4. The inner ring fire holes 351 are provided in plural and circumferentially arranged around the inner ring fire slit 35.

In some embodiments, the inner ring fire holes 351 extend in a radial direction of the vent passage 20, and in a direction toward the center of the vent passage 20, the inner ring fire holes 351 extend obliquely upward and in a direction toward the center of the fire slot 30.

It should be noted that, in other embodiments, the extending direction of the inner ring fire holes 351 may also form an angle with the radial direction of the ventilation channel 20.

Referring to fig. 9 to 13, in some embodiments, a plurality of middle ring fire holes 36 are formed in the fire cover 3, and the middle ring fire holes 36 are used for communicating the middle ring air mixing chamber 5 with the vent passage 20. Specifically, the middle fire hole 36 has a circular fire hole structure, and the middle fire hole 36 extends toward the center of the fire slot 30, i.e., toward the center of the vent passage 20. The outer end of the middle ring fire hole 36 is communicated with the middle ring gas mixing cavity 5, and the inner end of the middle ring fire hole 36 is communicated with the fire chute 30. Since the fire trough 30 is communicated with the vent passage 20, the middle ring fire hole 36 can communicate the middle ring air mixing chamber 5 and the vent passage 20. Therefore, the gas in the middle ring gas mixing chamber 5 can enter the fire slot 30 and the ventilation channel 20 through the middle ring fire hole 36 for combustion.

In some embodiments, the middle fire holes 36 extend obliquely upward toward the center of the vent passage 20 and toward the center of the fire slot 30, and the extension direction of the middle fire holes 36 is at an angle to the radial direction of the vent passage 20. The plurality of middle fire holes 36 are circumferentially arranged at intervals around the fire groove 30 of the fire cover 3, and the plurality of middle fire holes 36 are circumferentially distributed in an inward rotating manner clockwise or anticlockwise, so that flames sprayed from the plurality of middle fire holes 36 can form a rotating fire structure.

Referring to fig. 9 to 13, in some embodiments, a plurality of outer ring fire holes 37 are formed in the fire cover 3, and the outer ring fire holes 37 are used for communicating the outer ring air mixing chamber 6 and the ventilation channel 20. Specifically, the outer ring fire holes 37 have a circular fire hole structure, and the outer ring fire holes 37 extend toward the center of the fire chute 30, i.e., toward the center of the vent passage 20. The outer end of the outer ring fire hole 37 is communicated with the outer ring gas mixing cavity 6, and the inner end of the outer ring fire hole 37 is communicated with the fire groove 30. Since the fire groove 30 communicates with the ventilation passage 20, the outer ring fire hole 37 can communicate the outer ring gas mixing chamber 6 and the ventilation passage 20. Therefore, the gas in the outer ring gas mixing chamber 6 can enter the fire groove 30 and the ventilation channel 20 through the outer ring fire holes 37 for combustion.

In some embodiments, the outer ring fire holes 37 extend obliquely upward and toward the center of the fire slot 30 in a direction toward the center of the vent passage 20, and the outer ring fire holes 37 extend at an angle to the radial direction of the vent passage 20. A plurality of outer ring fire holes 37 encircle the fire groove 30 that fire lid 3 is circumference interval arrangement, and a plurality of outer ring fire holes 37 are clockwise or anticlockwise circumference internal rotation and distribute, make a plurality of outer ring fire holes 37 spun flame can form and revolve the fire structure.

In some embodiments, the inward rotation direction of the outer ring fire holes 37 is the same as the inward rotation direction of the middle ring fire holes 36, that is, the middle ring fire holes 36 and the outer ring fire holes 37 are circumferentially distributed in a clockwise manner, or circumferentially distributed in a counterclockwise manner.

Referring to fig. 9 to 13, in some embodiments, the flame holding slit 38 is formed on the inner wall of the fire cover 3, the flame holding slit 38 is annular, and the flame holding slit 38 is disposed around the inner wall of the fire chute 30, so that the flame holding slit 38 can be disposed around the peripheral side of the ventilation channel 20. The central side of the flame stabilizing slit 38 is communicated with the fire trough 30, the outer peripheral side of the flame stabilizing slit 38 is communicated with the middle ring gas mixing cavity 5, so that the flame stabilizing slit 38 can be communicated with the middle ring gas mixing cavity 5 and the fire trough 30, and further the flame stabilizing slit 38 can be communicated with the ventilation channel 20, therefore, the fuel gas in the middle ring gas mixing cavity 5 can enter the fire trough 30 and the ventilation channel 20 through the flame stabilizing slit 38 for combustion.

It should be noted that, in other embodiments, the outer peripheral side of the flame holding slit 38 may also communicate with the outer ring air mixing chamber 6.

In some embodiments, the flame holding slit 38 is horizontally disposed, and a center side of the flame holding slit 38 is horizontally oriented toward the center of the fire slot 30 and the vent passage 20.

In some embodiments, the flame holding slots 38 are disposed between the area of the middle ring fire holes 36 and the area of the outer ring fire holes 37, i.e., the middle ring fire holes 36 are all located inside the flame holding slots 38, and the outer ring fire holes 37 are all located outside the flame holding slots 38. Therefore, the flame holding fire generated in the flame holding slit 38 can well isolate the outer ring fire and the middle ring fire and stabilize the flames of the outer ring fire and the middle ring fire.

In some embodiments, the flame stabilizing hole 381 is formed on the fire cover 3, and the flame stabilizing hole 381 is used for communicating the middle ring air mixing chamber 5 and the flame stabilizing slit 38. Specifically, the flame stabilizing hole 381 extends in the axial direction of the fire lid 3, one end of the flame stabilizing hole 381 is communicated with the flame stabilizing slit 38, and the other end of the flame stabilizing hole 381 is communicated with the middle ring air mixing chamber 5. The flame stabilizing holes 381 are provided in plural, and the plural flame stabilizing holes 381 are circumferentially arranged around the circumferential side of the flame stabilizing slit 38.

In some embodiments, the flame stabilizing holes 381 extend along the axial direction of the ventilation channel 20, and it should be noted that in other embodiments, the extending direction of the flame stabilizing holes 381 may also form an angle with the axial direction of the ventilation channel 20.

Referring to fig. 8, in some embodiments, the bottom of the fire lid 3 is provided with a reinforcing rib 39, and the reinforcing rib 39 is used for increasing the structural strength of the fire lid 3 and ensuring the durability of the fire lid 3 during use. Specifically, the reinforcing rib 39 extends in the radial direction of the fire lid 3, one end of the reinforcing rib 39 facing the center of the fire lid 3 is connected to the second annular projection 32, and one end of the reinforcing rib 39 facing away from the center of the fire lid 3 is connected to the third annular projection 33. Therefore, the reinforcing ribs 39 can enhance the structural strength of the middle ring air mixing chamber 5 and the structural strength between the middle ring air mixing chamber 5 and the outer ring air mixing chamber 6 and the inner ring air mixing chamber 4.

In some embodiments, the reinforcing ribs 39 are provided in plurality, with the plurality of reinforcing ribs 39 being circumferentially spaced around the second annular protrusion 32. The cooperation of a plurality of strengthening ribs 39 can further strengthen the structural strength of fire lid 3 to improve fire lid 3 in the uniformity of structural strength in the circumference.

It should be noted that in other embodiments, the reinforcing rib 39 may also be disposed between the first annular protrusion 31 and the second annular protrusion 32, or between the third annular protrusion 33 and the fourth annular protrusion 34.

Based on the technical scheme, the embodiment of the utility model provides a have following advantage and positive effect:

in the gas stove provided by the embodiment of the utility model, the gas stove can be matched with the furnace end 2 to simultaneously form the inner ring gas mixing cavity 4, the middle ring gas mixing cavity 5 and the outer ring gas mixing cavity 6 by utilizing the integrally formed structure of the fire cover 3, and form a four-ring fire structure, thereby simplifying the structure of the fire cover 3, being beneficial to reducing the cost of the fire cover 3, reducing the heat absorbed by the fire cover 3 and being beneficial to improving the energy efficiency; when the user takes and puts the fire cover 3, the operation is simple and convenient, the operation is easy, and the convenience of taking and putting the fire cover 3 by the user is improved.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terms used are words of description and illustration, rather than words of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims (10)

1. A gas range, comprising:

the center of the furnace end is provided with a ventilation channel extending vertically;

the fire cover is of an integrally formed structure, is arranged at the top of the furnace end and is respectively surrounded with the furnace end to form an inner ring air mixing cavity, a middle ring air mixing cavity and an outer ring air mixing cavity;

the inner ring air mixing cavity, the middle ring air mixing cavity and the outer ring air mixing cavity are all annular, and the inner ring air mixing cavity, the middle ring air mixing cavity and the outer ring air mixing cavity are coaxially arranged around the axis of the ventilation channel and are sequentially arranged from inside to outside.

2. The gas stove of claim 1, wherein the bottom of the fire cover is provided with a first annular protrusion, a second annular protrusion, a third annular protrusion and a fourth annular protrusion which are concentrically arranged in a protruding manner; the first annular protrusion, the second annular protrusion, the third annular protrusion and the fourth annular protrusion are all in annular structures and are sequentially arranged at intervals from inside to outside along the radial direction of the fire cover;

the first annular bulge, the second annular bulge and the top of the furnace end form an inner annular gas mixing cavity in a surrounding manner;

the middle ring gas mixing cavity is formed by the second ring bulge, the third ring bulge and the top of the furnace end in a surrounding manner;

the third annular bulge, the fourth annular bulge and the top of the furnace end form the outer annular gas mixing cavity in a surrounding mode.

3. The gas stove of claim 2, wherein the bottom of the fire cover is provided with a reinforcing rib, the reinforcing rib extends along the radial direction of the fire cover, one end of the reinforcing rib facing the center of the fire cover is connected with the second annular protrusion, and one end of the reinforcing rib facing away from the center of the fire cover is connected with the third annular protrusion;

the strengthening rib is equipped with a plurality ofly, and is a plurality of the strengthening rib encircles the second ring is protruding to be circumferential interval arrangement.

4. The gas range of claim 2, wherein an inner ring fire slit is provided on an inner wall of the fire cover, the inner ring fire slit being annular and arranged around a peripheral side of the vent passage;

an inner ring fire hole is formed in the fire cover and is communicated with the inner ring gas mixing cavity and the inner ring fire gap; the inner ring fire holes are provided with a plurality of fire holes and are circumferentially arranged around the periphery of the inner ring fire gaps.

5. The gas range of claim 4, wherein the inner ring fire hole extends in a radial direction of the vent passage, and the inner ring fire hole extends obliquely upward in a direction toward a center of the vent passage.

6. The gas stove of claim 2, wherein the fire cover is provided with a plurality of middle ring fire holes for communicating the middle ring gas mixing cavity with the vent channel, and the plurality of middle ring fire holes are circumferentially arranged around the fire cover at intervals;

the fire cover is provided with a plurality of outer ring fire holes for communicating the outer ring gas mixing cavity with the ventilation channel, and the outer ring fire holes are arranged around the fire cover at intervals in the circumferential direction;

the middle ring fire hole and the outer ring fire hole are both in a round fire hole structure.

7. The gas range of claim 6, wherein the middle ring fire hole and the outer ring fire hole extend obliquely upward in a direction toward the center of the vent passage, and the middle ring fire hole and the outer ring fire hole are circumferentially distributed in an inward spiral manner clockwise or counterclockwise.

8. The gas range of claim 6, wherein a flame holding slit is provided on an inner wall of the fire cover, the flame holding slit being annular and arranged around a peripheral side of the vent passage;

a flame stabilizing hole is formed in the fire cover and is communicated with the middle ring mixed gas cavity and the flame stabilizing seam; the flame stabilizing holes are arranged in a plurality and circumferentially arranged around the flame stabilizing slits;

the middle ring fire hole is located on the inner side of the flame stabilizing seam, and the outer ring fire hole is located on the outer side of the flame stabilizing seam.

9. The gas stove of claim 2, wherein the top of the burner is provided with a first annular wall, a second annular wall, a third annular wall and a fourth annular wall which are concentrically arranged; the first annular wall, the second annular wall, the third annular wall and the fourth annular wall are all in an annular structure and are sequentially arranged at intervals from inside to outside along the radial direction of the furnace end;

the bottom of the first annular protrusion is connected with the top of the first annular wall from top to bottom, the bottom of the second annular protrusion is connected with the top of the second annular wall from top to bottom, the bottom of the third annular protrusion is connected with the top of the third annular wall from top to bottom, and the bottom of the fourth annular protrusion is connected with the top of the fourth annular wall from top to bottom.

10. The gas range of claim 9, wherein the burner comprises a burner base and a burner cover;

a furnace chamber with an opening at the top is formed in the furnace base;

the center of the furnace cover is provided with the ventilation channel, the furnace cover is arranged in the furnace cavity, a ventilation gap is formed between the outer wall of the furnace cover and the inner wall of the furnace cavity, and the center side of the ventilation gap is communicated with the ventilation channel;

the first annular wall, the second annular wall, the third annular wall and the fourth annular wall are all formed at the top of the furnace cover, and the first annular wall, the second annular wall, the third annular wall and the fourth annular wall are coaxially arranged around the axis of the ventilation channel and are sequentially arranged at intervals from inside to outside;

and air vents are formed in the peripheral side wall of the furnace base and are communicated with the air vent gap and the external space of the furnace base.

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