CN111964065B - Outer ring fire lid and gas-cooker - Google Patents

Outer ring fire lid and gas-cooker Download PDF

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Publication number
CN111964065B
CN111964065B CN202010889147.6A CN202010889147A CN111964065B CN 111964065 B CN111964065 B CN 111964065B CN 202010889147 A CN202010889147 A CN 202010889147A CN 111964065 B CN111964065 B CN 111964065B
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CN
China
Prior art keywords
fire
fire cover
outer ring
ring fire
cover
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Active
Application number
CN202010889147.6A
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Chinese (zh)
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CN111964065A (en
Inventor
龙艳
程永超
徐强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Fotile Kitchen Ware Co Ltd
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Ningbo Fotile Kitchen Ware Co Ltd
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Filing date
Publication date
Application filed by Ningbo Fotile Kitchen Ware Co Ltd filed Critical Ningbo Fotile Kitchen Ware Co Ltd
Priority to CN202010889147.6A priority Critical patent/CN111964065B/en
Publication of CN111964065A publication Critical patent/CN111964065A/en
Application granted granted Critical
Publication of CN111964065B publication Critical patent/CN111964065B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/26Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid with provision for a retention flame
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means
    • F23D14/48Nozzles
    • F23D14/58Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means
    • F23D14/62Mixing devices; Mixing tubes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means
    • F23D14/84Flame spreading or otherwise shaping
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00Stoves or ranges for gaseous fuels
    • F24C3/08Arrangement or mounting of burners
    • F24C3/085Arrangement or mounting of burners on ranges
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D2203/00Gaseous fuel burners
    • F23D2203/007Mixing tubes, air supply regulation

Abstract

The invention discloses an outer ring fire cover and a gas stove, wherein the outer ring fire cover comprises a fire cover body and a fire transfer part, the inner side surface of the fire transfer part is used for being in contact with an inner ring fire hole of an inner ring fire cover of the gas stove, the fire transfer part extends outwards to the outer side surface of the fire cover body along the radial direction of the outer ring fire cover, the fire transfer part is provided with a fire transfer groove, the fire transfer groove extends from the inner side surface of the fire transfer part to the outer side surface of the fire transfer part, and the fire transfer groove is used for transferring flame of the inner ring fire cover to the outer side surface of the fire cover body. According to the invention, the fire transfer part is arranged, the fire transfer part extends from the outer side surface of the inner ring fire cover to the outer side surface of the fire cover body, and the fire transfer groove is formed in the fire transfer part, so that when the gas is combusted in the inner ring fire cover, part of combusted gas is transferred to the outer side surface of the fire cover body through the fire transfer groove, the gas in the outer ring fire cover can be ignited, and the flame can be stably transferred from the inner ring fire cover to the outer ring fire cover.

Description

Outer ring fire lid and gas-cooker
Technical Field
The invention relates to the field of gas cookers, in particular to an outer ring fire cover and a gas cooker.
Background
Gas cookers are commonly used burners in homes. The gas stove usually comprises an inner ring fire cover, an outer ring fire cover and a gas mixing chamber, wherein the inner ring fire cover and the outer ring fire cover are respectively communicated with the gas mixing chamber, and mixed gas is combusted in the inner ring fire cover and the outer ring fire cover respectively.
The flame is usually burned at the inner ring fire cover, and then the flame is conducted from the inner ring fire cover to the outer ring fire cover. The process that the flame is transmitted to the outer ring fire cover by the inner ring fire cover is often unstable, and the flame is difficult to form on the outer ring fire cover in time.
Disclosure of Invention
The invention aims to overcome the defect that flame cannot be stably transmitted from an inner ring fire cover to an outer ring fire cover in the prior art, and provides an outer ring fire cover and a gas stove.
The invention solves the technical problems through the following technical scheme:
the utility model provides an outer loop fire lid, its is applied to the gas-cooker, and its characterized in that, it includes fire lid body and passes fire portion, the medial surface that passes fire portion be used for with the inner ring fire hole of the inner ring fire lid of gas-cooker contacts, it follows to pass fire portion the radial outside of outer loop fire lid extends to the lateral surface of fire lid body, it is equipped with the fire passing groove to pass fire portion, the fire passing groove certainly the medial surface that passes fire portion extends to the lateral surface of passing fire portion, the fire passing groove be used for with the flame transmission of inner ring fire lid extremely the lateral surface of fire lid body.
In this scheme, through setting up biography fire portion to the lateral surface that will pass fire portion from the inner ring fire lid extends to the fire and covers the lateral surface of body, sets up the biography fire groove simultaneously in passing fire portion, thereby, the gas when the burning of inner ring fire lid, the gas of partial combustion passes through the lateral surface that passes fire groove transmission to fire lid body, and then can ignite the gas of outer ring fire lid, realizes flame steadily that the transmission of inner ring fire lid to outer ring fire lid.
Preferably, the fire transfer portion includes a downward-folded section and a horizontal section, the downward-folded section extends from the outer peripheral surface of the fire cover body along a radial downward direction of the outer ring fire cover, the outer side surface of the horizontal section is connected with the downward-folded section, the inner side surface of the horizontal section is used for contacting the outer peripheral surface of the inner ring fire cover, and the fire transfer groove is arranged on the side surfaces of the downward-folded section and the horizontal section.
In this scheme, through setting up horizontal segment and the section of turning over down to make flame that spreads into from inner ring fire lid can be more stable.
Preferably, the fire transfer part is further provided with a gas mixing cavity, and the gas mixing cavity extends outwards from the inner side surface of the fire transfer part along the radial direction of the outer ring fire cover.
In this scheme, through setting up the gas mixing chamber to, the gas that flows in from the inner ring fire hole of difference can be in the gas mixing intracavity gathering, and then makes the mixture that the gas can be more abundant, avoids the pressure of gas to neglect to hang down suddenly, improves the stability of gas pressure, also can improve flame's stability.
Preferably, the fire transfer part is further provided with a plurality of communicated fire holes, and the length of the communicated fire holes is shortened from two sides of the fire transfer part to the middle of the fire transfer part.
In this scheme, through setting up the intercommunication fire hole to with the length design in intercommunication fire hole be from the both sides of passing fire portion extremely shorten in the middle of passing fire portion, the intercommunication fire hole of both sides is also nearest with the distance in the inner ring fire hole of inner ring fire lid promptly, and the distance in the inner ring fire hole of middle intercommunication fire hole and inner ring fire lid is farthest, thereby can further improve the homogeneity and the stability of flame.
Preferably, the peripheral surface of the fire cover body is provided with a plurality of flame stabilizing holes, and the flame stabilizing holes are positioned at the lower side of the communicating fire holes.
In this scheme, steady flame fire hole is located the downside that communicates the fire hole to can utilize steady flame hole and intercommunication fire hole to realize the steady flame effect simultaneously, and then can reach the steady flame effect better.
Preferably, the outer circumferential surface of the fire cover body is provided with a plurality of outer ring fire holes, and the outer ring fire holes are positioned at the lower side of the communication fire holes.
In this scheme, the intercommunication fire hole can realize the steady flame to outer loop fire hole, can improve the stability of the flame in outer loop fire hole.
Preferably, both sides of the fire transfer part are provided with the fire transfer grooves.
In this scheme, set up the biography fire groove simultaneously through the both sides in passing fire portion, can further improve the probability that flame transmitted to outer loop fire lid, also can further improve the reliability and the stability of flame transmission.
Preferably, the number of passing fire portion is a plurality of, a plurality of pass fire portion along the circumference equipartition of fire lid body in the last side of fire lid body.
In this scheme, through setting up a plurality of equipartitions in the portion of passing a fire of fire lid body, can further improve the homogeneity and the stability of the flame of outer loop fire lid, further reduce the concentration of flame.
Preferably, a communicating groove is formed in the fire cover body, and the fire transmitting portion is communicated to the lower side face of the fire cover body through the communicating groove.
In this scheme, through setting up the intercommunication groove to make pass fiery portion can be linked together with the outside of outer loop fire lid, and then the outside gas of outer loop fire lid can get into through the intercommunication groove and pass fiery portion, passes fiery portion and can insert different gas sources, can further improve the stability of passing the interior gas of fiery portion.
A gas stove comprises an inner ring fire cover and a gas mixing chamber and is characterized by further comprising an outer ring fire cover, the outer ring fire cover is rotatably arranged on the gas mixing chamber, and the inner side face of the outer ring fire cover is in contact with the outer peripheral face of the inner ring fire cover.
In this scheme, through adopting above-mentioned outer ring fire lid, the gas is when the burning of inner ring fire lid to the gas of part burning passes through the biography fire groove transmission of outer ring fire lid to the lateral surface of outer ring fire lid, and then can ignite the gas of outer ring fire lid, realizes flame steadily from the transmission of inner ring fire lid to outer ring fire lid.
In addition, through setting up outer ring fire lid rotationally on the gas mixing chamber, if the pot overflow problem appears, then only need rotate outer ring fire lid and can solve the influence of overflow to flame, avoid appearing blocking problem.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows:
according to the invention, the fire transfer part is arranged, the fire transfer part extends from the outer side surface of the inner ring fire cover to the outer side surface of the fire cover body, and the fire transfer groove is formed in the fire transfer part, so that when the gas is combusted in the inner ring fire cover, part of combusted gas is transferred to the outer side surface of the fire cover body through the fire transfer groove, the gas in the outer ring fire cover can be ignited, and the flame can be stably transferred from the inner ring fire cover to the outer ring fire cover.
Drawings
Fig. 1 is a schematic perspective view of a gas range according to a preferred embodiment of the present invention.
Fig. 2 is a schematic perspective view of the gas range of fig. 1 with the outer ring fire cover removed.
Fig. 3 is a schematic perspective view of an outer ring fire cover of the gas range of fig. 1.
Fig. 4 is a schematic view of an inverted structure of the outer ring fire cover in fig. 3.
Fig. 5 is a schematic structural diagram of a front view of the outer ring fire cover in fig. 3.
Fig. 6 is a schematic structural diagram of the top view of the outer ring fire cover in fig. 3.
Fig. 7 is a cross-sectional structural view of the outer ring fire cover a-a in fig. 6.
Fig. 8 is a sectional structural view of the fire transfer part of the outer ring fire cover in fig. 3.
Description of reference numerals:
gas kitchen ranges 100
Inner ring fire cover 11
Inner ring fire hole 111
Gas mixing chamber 12
Mounting groove 121
Outer ring fire cover 20
Fire lid body 21
Communication groove 211
Flame stabilizing hole 212
Outer ring fire hole 213
Ring step 214
Fire transfer part 22
Gas mixing cavity 221
Communicating fire hole 222
Lower fold 223
Horizontal segment 224
Fire transfer trough 225
Detailed Description
The present invention will be more clearly and completely described below by way of examples in conjunction with the accompanying drawings, but the present invention is not limited thereto.
As shown in fig. 1 to 8, the gas stove 100 of the present embodiment includes an inner ring fire cover 11 and a gas mixing chamber 12, the gas stove 100 further includes an outer ring fire cover 20 as described below, the outer ring fire cover 20 is rotatably disposed on the gas mixing chamber 12, and an inner side surface of the outer ring fire cover 20 contacts with an outer peripheral surface of the inner ring fire cover 11. Through adopting above-mentioned outer ring fire lid 20, when the burning of inner ring fire lid 11 was covered to the gas of part burning passes through the biography fire groove 225 of outer ring fire lid 20 and transmits to the lateral surface of outer ring fire lid 20, and then can ignite the gas of outer ring fire lid 20, realizes flame steadily from the transmission of inner ring fire lid 11 to outer ring fire lid 20.
In addition, by rotatably arranging the outer ring fire cover 20 on the air mixing chamber 12, if the problem of overflowing occurs, the influence of overflowing liquid on flame can be solved only by rotating the outer ring fire cover 20, and the problem of blockage is avoided.
As shown in fig. 3 to 8, the outer ring fire cover 20 of the gas stove 100 of the present embodiment includes a fire cover body 21 and a fire transfer portion 22, an inner side surface of the fire transfer portion 22 is used for contacting with the inner ring fire hole 111 of the inner ring fire cover 11 of the gas stove 100, the fire transfer portion 22 extends to an outer side surface of the fire cover body 21 along a radial direction of the outer ring fire cover 20, the fire transfer portion 22 is provided with a fire transfer groove 225, the fire transfer groove 225 extends from the inner side surface of the fire transfer portion 22 to the outer side surface of the fire transfer portion 22, and the fire transfer groove 225 is used for transferring a flame of the inner ring fire cover 11 to the outer side surface of the fire cover body 21. Through setting up biography fire portion 22 to the lateral surface that will pass fire portion 22 and cover body 21 from the lateral surface extension of inner ring fire lid 11 to fire, set up simultaneously and pass fire groove 225 on passing fire portion 22, thereby, the gas when inner ring fire lid 11 burning, the gas of part burning passes through the lateral surface that passes fire groove 225 and transmits to fire lid body 21, and then can ignite the gas of outer ring fire lid 20, realizes flame steadily from the transmission of inner ring fire lid 11 to outer ring fire lid 20.
In one embodiment, the fire transfer portion 22 is provided with fire transfer grooves 225 on both sides thereof. By providing the fire transfer grooves 225 on both sides of the fire transfer portion 22, the probability of the flame being transferred to the outer ring fire cover 20 can be further improved, and the reliability and stability of the flame transfer can be further improved. Through set up fire transfer groove 225 in both sides, also make the flame in fire transfer groove 225 replenish the air more easily, improve combustion efficiency.
As shown in fig. 3 and 7, the fire transfer part 22 includes a downward folding section 223 and a horizontal section 224, the downward folding section 223 extends from the outer circumferential surface of the fire cover body 21 in a direction obliquely downward along the radial direction of the outer fire cover 20, the outer side surface of the horizontal section 224 is connected to the downward folding section 223, the inner side surface of the horizontal section 224 is used for contacting the outer circumferential surface of the inner fire cover 11, and the fire transfer groove 225 is provided at the side surfaces of the downward folding section 223 and the horizontal section 224. Through the arrangement of the horizontal section 224 and the lower folding section 223, the flame transmitted from the inner ring fire cover 11 can be more stable. Through setting up horizontal segment 224, the flame that inner ring fire hole 111 jetted out more easily gets into horizontal segment 224 upper level setting and passes fire groove 225, and along with the burning of flame, the temperature along with rising, the flame then gets into down section 223, for the flame in passing fire groove 225, the flame more easily moves along the ascending groove 225 that passes fire of slant to reach the lateral surface of outer ring fire lid 20, and then ignite the gas that outer ring fire hole 213 flows out.
In the figure, the fire transfer part 22 is further provided with an air mixing chamber 221, and the air mixing chamber 221 extends outwards from the inner side surface of the fire transfer part 22 along the radial direction of the outer fire cover 20. Through setting up gas mixing chamber 221 to, the gas that flows in from different inner ring fire hole 111 can be at gas mixing chamber 221 cohesion, and then makes the mixture that the gas can be more abundant, avoids the pressure of gas to neglect to hang down, improves the stability of gas pressure, also can improve the stability of flame. As an embodiment, the shape of the air mixing chamber 221 may be a hexahedron, a sphere, a cylinder, or the like.
In one embodiment, the fire transfer part 22 is further provided with a plurality of communicating fire holes 222, and the length of the communicating fire holes 222 is shortened from two sides of the fire transfer part 22 to the middle of the fire transfer part 22. As shown in fig. 8, the length of the communication fire hole 222 is designed to be shortened from the two sides of the fire transfer part 22 to the middle of the fire transfer part 22, that is, the distance between the communication fire hole 222 at the two sides and the inner ring fire hole 111 of the inner ring fire cover 11 is the closest, and the distance between the communication fire hole 222 at the middle and the inner ring fire hole 111 of the inner ring fire cover 11 is the farthest, so that the uniformity and stability of the flame can be further improved. Fig. 8 shows a schematic view of the fire communication holes 222, and it can be seen that the fire communication holes 222 on both sides have a longer length and the fire communication holes 222 in the middle have a shorter length.
In fig. 3-5, the outer peripheral surface of the fire cover body 21 is provided with a plurality of flame stabilizing holes 212, and the flame stabilizing holes 212 are located at the lower side of the communicating fire holes 222. The flame stabilizing holes are located at the lower side of the communicating holes 222, so that the flame stabilizing effect can be achieved for the outer ring flame holes 213 by using the flame stabilizing holes 212 and the communicating holes 222, and a better flame stabilizing effect can be achieved.
As shown in fig. 3 to 5, the outer circumferential surface of the fire cover body 21 is provided with a plurality of outer ring fire holes 213, and the outer ring fire holes 213 are located at the lower side of the communication fire holes 222. The flame stabilization of the outer ring flame holes 213 can be realized by the communication flame holes 222, and the stability of the flame of the outer ring flame holes 213 can be improved.
In one embodiment, the opening of the flame transfer groove 225 on the inner surface of the flame transfer portion 22 contacts the outer circumferential surface of the inner ring flame cover 11, so that the outer circumferential surface of the inner ring flame hole 111 is penetrated in the circumferential direction, and the gas can rapidly form a flame around the outer circumferential surface of the inner ring flame hole 111, thereby improving the uniformity and stability of the flame generated by the inner ring flame cover 11. In the embodiment, the circumferential direction of the outer circumferential surface of the inner ring fire hole 111 is communicated, so that a circle of flame can be rapidly formed on the outer circumferential surface of the inner ring fire hole 111 by gas, and the uniformity and stability of the flame generated by the inner ring fire cover 11 can be improved.
As an embodiment, the number of the fire transmitting portions 22 is plural, and the plural fire transmitting portions 22 are uniformly distributed on the upper side surface of the fire cover body 21 along the circumferential direction of the fire cover body 21. Through setting up a plurality of equipartitions in the portion 22 of passing a fire of fire lid body 21, can further improve the homogeneity and the stability of the flame of outer ring fire lid 20, further reduce the centralization of flame. In the figure, 4 fire transfer parts 22 are uniformly distributed on the fire cover body 21, and fire transfer grooves 225 are arranged on two sides of each fire transfer part 22. In other embodiments, the number of fire-transmitting portions 22 may also be other values, such as 2, 3, 5, etc.
As shown in fig. 4, the fire lid body 21 is provided with a communication groove 211, and the fire transmitting portion 22 communicates with the lower side surface of the fire lid body 21 through the communication groove 211. Through setting up the intercommunication groove 211 to make pass fire portion 22 to be linked together with outer ring fire lid 20's outside, and then the outside gas of outer ring fire lid 20 can get into pass fire portion 22 through intercommunication groove 211, passes fire portion 22 and can insert different gas sources, can further improve the stability of passing the interior gas of fire portion 22.
As shown in fig. 5 and 7, a convex ring step 214 is provided on the lower side of the fire cover body 21, and the outer peripheral surface of the convex ring step 214 is used for clamping the upper end of the gas mixing chamber 12 of the gas range 100.
As an embodiment, the fire transmitting part 22 may be provided at an upper side surface of the fire cover body 21. The fire transfer part 22 may be a sector-shaped part, and the air mixing chamber 221 and the communication fire hole 222 are disposed therein. The outer fire cover 20 may be a unitary structure. The outer ring fire cover 20 may also be a detachable structure, that is, the fire cover body 21 and the fire transmitting part 22 are designed as different parts and then assembled together. Specifically, the fire lid body 21 and the fire transmitting portion 22 may be connected by a snap structure, a bolt assembly, or the like, or may be directly bonded together.
In this embodiment, the air mixing chamber 221 and the communicating fire hole 222 of the outer ring fire cover 20 can also achieve the function of fire transmission, so that the efficiency and stability of flame transmission can be further improved.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.

Claims (9)

1. An outer ring fire cover is applied to a gas stove and is characterized by comprising a fire cover body and a fire transfer part, wherein the inner side surface of the fire transfer part is used for being in contact with an inner ring fire hole of an inner ring fire cover of the gas stove, the fire transfer part extends outwards to the outer side surface of the fire cover body along the radial direction of the outer ring fire cover, the fire transfer part is provided with a fire transfer groove, the fire transfer groove extends from the inner side surface of the fire transfer part to the outer side surface of the fire transfer part, and the fire transfer groove is used for transferring flame of the inner ring fire cover to the outer side surface of the fire cover body;
the fire transmission part comprises a downward folding section and a horizontal section, the downward folding section extends from the outer peripheral surface of the fire cover body along the radial downward oblique direction of the outer ring fire cover, the outer side surface of the horizontal section is connected with the downward folding section, the inner side surface of the horizontal section is used for contacting the outer peripheral surface of the inner ring fire cover, and the fire transmission groove is arranged on the downward folding section and the side surface of the horizontal section.
2. The outer ring fire cover of claim 1, wherein said fire transfer portion is further provided with a gas mixing chamber extending from an inner side surface of said fire transfer portion outward in a radial direction of said outer ring fire cover.
3. The outer ring fire cover of claim 1, wherein said fire transfer portion is further provided with a plurality of communicating fire holes, and the length of said communicating fire holes becomes shorter from both sides of said fire transfer portion to the middle of said fire transfer portion.
4. The outer ring fire cover of claim 3, wherein the outer peripheral surface of the fire cover body is provided with a plurality of flame stabilizing holes, and the flame stabilizing holes are positioned at the lower side of the communicating fire holes.
5. The outer ring fire cover of claim 3, wherein the outer peripheral surface of the fire cover body is provided with a plurality of outer ring fire holes, and the outer ring fire holes are positioned at the lower sides of the communicating fire holes.
6. The outer ring fire cover of claim 1 wherein said fire transfer grooves are provided on both sides of said fire transfer portion.
7. The outer ring fire cover of claim 1, wherein the number of the fire transmitting portions is plural, and the plural fire transmitting portions are uniformly distributed on the upper side surface of the fire cover body along the circumferential direction of the fire cover body.
8. The outer ring fire cover of claim 1 wherein said fire cover body is provided with a communication groove through which said fire transfer portion communicates to a lower side surface of said fire cover body.
9. A gas stove comprises an inner ring fire cover and a gas mixing chamber, and is characterized by further comprising an outer ring fire cover as claimed in any one of claims 1 to 8, wherein the outer ring fire cover is rotatably arranged on the gas mixing chamber, and the inner side surface of the outer ring fire cover is in contact with the outer peripheral surface of the inner ring fire cover.
CN202010889147.6A 2020-08-28 2020-08-28 Outer ring fire lid and gas-cooker Active CN111964065B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010889147.6A CN111964065B (en) 2020-08-28 2020-08-28 Outer ring fire lid and gas-cooker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010889147.6A CN111964065B (en) 2020-08-28 2020-08-28 Outer ring fire lid and gas-cooker

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CN111964065A CN111964065A (en) 2020-11-20
CN111964065B true CN111964065B (en) 2021-07-09

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