CN111156513B - Fire cover of kitchen range - Google Patents
Fire cover of kitchen range Download PDFInfo
- Publication number
- CN111156513B CN111156513B CN202010005021.8A CN202010005021A CN111156513B CN 111156513 B CN111156513 B CN 111156513B CN 202010005021 A CN202010005021 A CN 202010005021A CN 111156513 B CN111156513 B CN 111156513B
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- China
- Prior art keywords
- fire
- hole
- fire cover
- main
- main fire
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
- F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/26—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid with provision for a retention flame
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/70—Baffles or like flow-disturbing devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
- F23D14/82—Preventing flashback or blowback
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/08—Arrangement or mounting of burners
- F24C3/085—Arrangement or mounting of burners on ranges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2203/00—Gaseous fuel burners
- F23D2203/007—Mixing tubes, air supply regulation
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cookers (AREA)
Abstract
The invention discloses a stove fire cover which comprises a fire cover body and a gas cavity, wherein a plurality of main fire holes are formed in the fire cover body, the curvature of the axes of the main fire holes is gradually changed along the length direction of the main fire holes, and the curvature of the axes of the main fire holes is increased and then reduced along the direction from the inner wall surface to the outer wall surface of the fire cover body. According to the stove fire cover provided by the invention, the fire hole channel of the main fire hole is set to be in a shape with gradually changed curvature, and the curvature is increased and then reduced along the axis direction of the main fire hole, so that a gas mixture in the main fire hole can be further mixed in the fire hole channel when the stove fire cover is used, the mixing degree of the mixture is improved, the combustion efficiency is improved, meanwhile, the fire hole channel with changed curvature can also prevent the fire hole from being tempered, the combustion stability of the fire cover is improved, in addition, the structure of the combination of the upper fire cover and the lower fire cover can also be convenient for cleaning the inner part of the main fire hole, and the blockage caused by overflowing liquid is prevented.
Description
Technical Field
The invention relates to a fire cover of a stove.
Background
The fire cover of the stove is used as the most core part in the burner, and the performance of the fire cover directly influences the overall performance of the burner of the stove.
The fire cover of the existing stove is provided with a main fire hole channel inside, and the main fire hole channel is generally arranged in a linear shape due to the limitation of the space inside the fire cover and the operability of the processing process. However, when the mixed gas flows through the straight flame hole passage, if the gas is not sufficiently mixed before entering the flame hole passage, a misfire may easily occur during ignition. In addition, the fire hole channel is arranged in a straight line shape, so that the tempering condition is easy to generate, and the stove is not used.
Disclosure of Invention
The invention aims to overcome the defects that flameout is caused by insufficient gas mixing of a stove fire cover in the prior art and a fire hole channel is easy to generate tempering, and provides the stove fire cover.
The invention solves the technical problems through the following technical scheme:
the utility model provides a cooking utensils fire lid, its includes fire lid body and gas chamber, be provided with a plurality of main fire holes on the fire lid body, its characterized in that, the camber of the axis in main fire hole is followed the length direction in main fire hole changes gradually, and the camber of the axis in main fire hole is followed the internal face of fire lid body reduces after increasing to the direction of outer wall earlier.
The main fire hole of the stove fire cover is arranged into a shape with the curvature changing from large to small along the axis direction, so that the gas mixture can be further fully mixed when flowing to the position with larger curvature in the main fire hole, and a better and more full mixing effect is achieved. Simultaneously, the relative centre of curvature at main fire hole both ends is less also is favorable to the gas mixture to enter main fire hole from the gas chamber, perhaps is favorable to the gas mixture to flow out from main fire hole, avoids the crooked fire hole passageway of main fire hole to influence the gas velocity of flow.
In addition, because the fire hole passageway of main fire hole is crooked, and the camber produces the change along with length, consequently, when the condition of tempering appears in main fire hole department, the fire hole passageway that the camber changes can effectively block back fire flame to the gas chamber in to improve the burning security of cooking utensils fire lid.
Preferably, the axis of the main fire hole is parabolic, and the parabola satisfies the formula:
y＝ax2+bx+c
and a, b and c are coefficients of a parabola, and the origin of coordinates of the parabola is the central point of the fire cover body.
The axis of the main fire hole is parabolic, so that the gas mixture can rotate to a certain degree at the inlet and the outlet of the main fire hole, the gas mixture can be mixed and combusted at the position, and a better combustion effect can be achieved.
Preferably, the coefficient a of the parabola has a value of-0.01 to-0.05, the coefficient b of the parabola has a value of 1 to 6, and the coefficient c of the parabola has a value of-90 to-100.
Preferably, the bottom surface of the main fire hole is provided with a groove, and the groove is continuously arranged along the axial direction of the main fire hole. The arrangement of the groove is equivalent to that a flame stabilizing structure is directly arranged below the main fire hole to play a flame stabilizing role.
Preferably, the bottom surface of the main fire hole is provided with two grooves, and the two grooves are respectively arranged on two sides of the bottom surface of the main fire hole.
Preferably, a communication hole is formed in one side wall of the main fire hole, which is close to the outer wall surface of the fire cover body, and communicates the inner wall surface of the main fire hole with the outer wall surface of the fire cover body, an opening of the communication hole, which is located on the outer wall surface of the fire cover body, is close to another adjacent main fire hole, and the communication hole is favorable for improving the success rate of fire transfer between the main fire holes and improving the fire transfer speed.
Preferably, the hole shape of the main fire hole is a trapezoid with a wide upper part and a narrow lower part. The inside of main fire hole is cleaned to the convenience of falling the trapezium structure.
Preferably, the size of the cross section of the main fire hole is gradually increased along the direction from the inner wall surface to the outer wall surface of the fire cover body, so that overflowing liquid flowing over the fire cover of the stove flows out of the main fire hole more easily, and the main fire hole is not easy to block.
Preferably, the fire cover body comprises an upper fire cover and a lower fire cover, the upper fire cover is arranged on the upper surface of the lower fire cover and is attached to the upper surface of the lower fire cover, a plurality of cutting grooves are distributed on the upper surface of the lower fire cover, and the main fire hole with the top closed is formed between the lower surface of the upper fire cover and the cutting grooves. The fire cover body adopts the structure of the combination of the upper fire cover and the lower fire cover to more conveniently clean the inside of the channel of the main fire hole.
Preferably, the main fire holes are uniformly distributed along the radial direction of the fire cover body.
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 stove fire cover provided by the invention, the fire hole channel of the main fire hole is set to be in the shape with gradually changed curvature, and the curvature is increased and then reduced along the axis direction of the main fire hole, so that the gas mixture in the main fire hole can be further mixed in the fire hole channel when the stove fire cover is used, the mixing degree of the mixture is improved, the combustion efficiency is improved, meanwhile, the shape of the fire hole channel with changed curvature can also prevent tempering, the combustion stability of the fire cover is improved, in addition, the structure of combining the upper fire cover and the lower fire cover can also be convenient for cleaning the inner part of the main fire hole, and the blockage caused by overflowing liquid is prevented.
Drawings
Fig. 1 is a schematic structural view of a fire cover of a cooking stove according to an embodiment of the invention.
Fig. 2 is an exploded view of a fire cover of a cooking range according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a in fig. 2.
Fig. 4 is a schematic top view of the lower fire cover according to an embodiment of the invention.
Description of reference numerals:
upper fire cover 1
Side wall 1a
Convex part 22
Detailed Description
The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.
As shown in fig. 1 and 2, the invention provides a stove fire cover, which comprises a fire cover body and a gas cavity, wherein a plurality of main fire holes 3 are formed in the fire cover body, the curvature of the axes of the main fire holes 3 gradually changes along the length direction of the main fire holes 3, and the curvature of the axes of the main fire holes 3 increases and then decreases along the direction from the inner wall surface to the outer wall surface of the fire cover body. Preferably, a plurality of main fire holes 3 are uniformly distributed along the radial direction of the fire cover body.
The main fire hole 3 is set into a shape that the curvature of the fire hole channel changes from large to small along the axis direction, so that the gas mixture can be further fully mixed when flowing to the position with larger curvature in the main fire hole 3, and a better and more sufficient mixing effect is achieved. Simultaneously, the relative centre of curvature at 3 both ends in main fire hole is less also is favorable to the gas mixture to enter main fire hole 3 from the gas chamber, perhaps is favorable to the gas mixture to flow out from main fire hole 3, avoids the crooked fire hole passageway in main fire hole 3 to influence the gas velocity of flow.
In addition, because the fire hole passageway of main fire hole 3 is crooked, and the camber produces the change along with length, consequently, when the condition of tempering appears in main fire hole 3 department, the fire hole passageway of camber change can effectively block that tempering flame from backflowing to in the gas chamber to improve the burning security of cooking utensils fire lid.
Further, the axis of the main fire hole 3 is set to be parabolic, and the parabola satisfies the formula:
y＝ax2+bx+c
wherein, a, b, c are the coefficient of parabola, and the origin of coordinates of parabola is the central point of fire lid body.
The axis of the main fire hole 3 is parabolic, so that the gas mixture can rotate to a certain degree at the inlet and the outlet of the main fire hole 3, the gas mixture can be mixed and combusted at the position, and a better combustion effect can be achieved.
In this embodiment, the coefficient a of the parabola has a value of-0.01 to-0.05, the coefficient b of the parabola has a value of 1 to 6, and the coefficient c of the parabola has a value of-90 to-100.
In addition, the bottom surface of the main fire hole 3 is also provided with a groove 4, and the groove 4 is continuously arranged along the axial direction of the main fire hole 3 and extends to the outer surface of the fire cover body. The provision of the recess 4 corresponds to the provision of a flame holding structure directly below the main fire hole 3 to act as a flame holding. In this embodiment, two grooves 4 are disposed on the bottom surface of the main fire hole 3, and the two grooves 4 are disposed on two sides of the bottom surface of the main fire hole 3 respectively.
As shown in fig. 3, a communication hole 5 is further formed in one side wall of the main fire hole 3 close to the outer wall surface of the fire cover body, the communication hole 5 communicates the inner wall surface of the main fire hole 3 with the outer wall surface of the fire cover body, an opening of the communication hole 5 in the outer wall surface of the fire cover body is close to another adjacent main fire hole 3, and the communication hole 5 is beneficial to improving the success rate of fire transfer between the main fire holes 3 and improving the fire transfer speed.
The main fire hole 3 of the stove fire cover is in a trapezoid shape with a wide upper part and a narrow lower part. The inverted trapezoidal structure facilitates cleaning of the interior of the main fire hole 3. The hole cross-section size of main fire hole 3 is crescent along the direction of the internal face to the outer wall face of fire lid body to the overflow that makes kitchen range fire lid top flow down flows out in main fire hole 3 more easily, is difficult to block up main fire hole 3.
In addition, the fire lid body includes fire lid 1 and fire lid 2 down, goes up fire lid 1 and covers the upper surface of locating fire lid 2 down and laminate mutually with the upper surface of fire lid 2 down, and the upper surface distribution of fire lid 2 down has a plurality of grooving 21, forms top confined main fire hole 3 between the lower surface of going up fire lid 1 and grooving 21. The fire cover body adopts the structure of the combination of the upper fire cover 1 and the lower fire cover 2 so as to more conveniently clean the inside of the channel of the main fire hole 3.
As shown in fig. 2, the main body of the upper fire cover 1 has a plate-like structure with a downwardly extending sidewall 1a at a middle position thereof. The side wall 1a of the upper fire cover 1 and the inner wall 2a of the lower fire cover 2 jointly enclose a gas cavity communicated with the main fire hole 3.
In the present embodiment, as shown in fig. 2 and 4, a plurality of protrusions 22 are provided on the inner wall 2a of the lower fire cover 2, and when the upper fire cover 1 is installed on the lower fire cover 2, the ends of the protrusions 22 abut against the outer side of the side wall 1a of the upper fire cover 1, so that a space is maintained between the side wall 1a and the inner wall 2a, thereby forming a gas chamber. Meanwhile, the raised parts 22 enable the position of the upper fire cover 1 relative to the lower fire cover 2 to be determined through the positioning of the side wall 1a of the upper fire cover 1.
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 (10)
1. The utility model provides a cooking utensils fire lid, its includes fire lid body and gas chamber, be provided with a plurality of main fire holes on the fire lid body, its characterized in that, the camber of the axis in main fire hole is followed the length direction in main fire hole changes gradually, and the camber of the axis in main fire hole is followed the internal face of fire lid body reduces after increasing to the direction of outer wall earlier.
2. The cooktop fire cover of claim 1, wherein the axis of the main fire hole is parabolic, the parabola satisfying the formula:
y＝ax2+bx+c
and a, b and c are coefficients of a parabola, and the origin of coordinates of the parabola is the central point of the fire cover body.
3. The cooktop fire lid of claim 2, wherein the coefficient a of the parabola has a value of-0.01 to-0.05, the coefficient b of the parabola has a value of 1 to 6, and the coefficient c of the parabola has a value of-90 to-100.
4. The fire cover of a cooking utensil as claimed in claim 1, wherein the bottom surface of the main fire hole is provided with grooves, and the grooves are continuously arranged along the axial direction of the main fire hole.
5. The fire cover of a kitchen range as claimed in claim 4, wherein the bottom surface of the main fire hole is provided with two grooves, and the two grooves are respectively arranged at two sides of the bottom surface of the main fire hole.
6. The fire cover of a kitchen range according to claim 1, wherein a communication hole is provided on a side wall of one end of the main fire hole close to the outer wall surface of the fire cover body, the communication hole communicates the inner wall surface of the main fire hole with the outer wall surface of the fire cover body, and an opening of the communication hole on the outer wall surface of the fire cover body is close to another adjacent main fire hole.
7. The cooktop fire lid of claim 1, wherein the main fire hole has a trapezoidal shape with a wide top and a narrow bottom.
8. The fire cover of a cooking utensil as claimed in claim 1, wherein the hole cross-sectional size of the main fire hole is gradually increased along the direction from the inner wall surface to the outer wall surface of the fire cover body.
9. The cooker fire cover of claim 1, wherein the fire cover body comprises an upper fire cover and a lower fire cover, the upper fire cover is arranged on the upper surface of the lower fire cover and is attached to the upper surface of the lower fire cover, a plurality of cutting grooves are distributed on the upper surface of the lower fire cover, and the main fire hole with the top closed is formed between the lower surface of the upper fire cover and the cutting grooves.
10. The fire cover of claim 1, wherein a plurality of the main fire holes are uniformly arranged along a radial direction of the fire cover body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010005021.8A CN111156513B (en) | 2020-01-03 | 2020-01-03 | Fire cover of kitchen range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010005021.8A CN111156513B (en) | 2020-01-03 | 2020-01-03 | Fire cover of kitchen range |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111156513A CN111156513A (en) | 2020-05-15 |
| CN111156513B true CN111156513B (en) | 2021-12-10 |
Family
ID=70561049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010005021.8A Active CN111156513B (en) | 2020-01-03 | 2020-01-03 | Fire cover of kitchen range |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111156513B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5630521A (en) * | 1979-08-21 | 1981-03-27 | Shoei Seisakusho:Kk | Swirl combustion type gas burner |
| DE19825896C1 (en) * | 1998-06-10 | 2000-01-05 | Metallwaren Heidersdorf Gmbh | Gas burner for cooking hob |
| JP2001021147A (en) * | 1999-07-07 | 2001-01-26 | Sengoku:Kk | Manufacture of gas cooking stove burner |
| CN201582818U (en) * | 2009-12-08 | 2010-09-15 | 王宏斌 | Turbine burner |
| CN207146396U (en) * | 2017-09-15 | 2018-03-27 | 宁波方太厨具有限公司 | Burner built in pan bracket |
| CN207162538U (en) * | 2017-08-17 | 2018-03-30 | 绍兴伊北电器有限公司 | A kind of burner for gas stove with bar shaped fire output hole |
| CN208108099U (en) * | 2018-04-04 | 2018-11-16 | 广东美的厨房电器制造有限公司 | Fire cover, burner and burning kitchen tools |
-
2020
- 2020-01-03 CN CN202010005021.8A patent/CN111156513B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5630521A (en) * | 1979-08-21 | 1981-03-27 | Shoei Seisakusho:Kk | Swirl combustion type gas burner |
| DE19825896C1 (en) * | 1998-06-10 | 2000-01-05 | Metallwaren Heidersdorf Gmbh | Gas burner for cooking hob |
| JP2001021147A (en) * | 1999-07-07 | 2001-01-26 | Sengoku:Kk | Manufacture of gas cooking stove burner |
| CN201582818U (en) * | 2009-12-08 | 2010-09-15 | 王宏斌 | Turbine burner |
| CN207162538U (en) * | 2017-08-17 | 2018-03-30 | 绍兴伊北电器有限公司 | A kind of burner for gas stove with bar shaped fire output hole |
| CN207146396U (en) * | 2017-09-15 | 2018-03-27 | 宁波方太厨具有限公司 | Burner built in pan bracket |
| CN208108099U (en) * | 2018-04-04 | 2018-11-16 | 广东美的厨房电器制造有限公司 | Fire cover, burner and burning kitchen tools |
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| Publication number | Publication date |
|---|---|
| CN111156513A (en) | 2020-05-15 |
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