EP3276261A1 - Burner assembly and gas stove - Google Patents
Burner assembly and gas stove Download PDFInfo
- Publication number
- EP3276261A1 EP3276261A1 EP16874605.5A EP16874605A EP3276261A1 EP 3276261 A1 EP3276261 A1 EP 3276261A1 EP 16874605 A EP16874605 A EP 16874605A EP 3276261 A1 EP3276261 A1 EP 3276261A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sealing ring
- burner
- gas distribution
- distribution disk
- burner assembly
- Prior art date
- 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.)
- Granted
Links
- 229910052751 metal Inorganic materials 0.000 claims abstract description 49
- 239000002184 metal Substances 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims description 120
- 239000000463 material Substances 0.000 claims description 54
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 230000004308 accommodation Effects 0.000 claims description 3
- 238000002347 injection Methods 0.000 description 10
- 239000007924 injection Substances 0.000 description 10
- 239000000243 solution Substances 0.000 description 10
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 208000037805 labour Diseases 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
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
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
- F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
- F23D14/06—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with radial outlets at the burner head
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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
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
- F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
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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
- F23D14/64—Mixing devices; Mixing tubes with injectors
-
- 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
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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
- F24C3/02—Stoves or ranges for gaseous fuels with heat produced solely by flame
- F24C3/027—Ranges
-
- 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
-
- 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
- F24C3/10—Arrangement or mounting of ignition devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/14—Special features of gas burners
- F23D2900/14001—Sealing or support of burner plate borders
Definitions
- the present disclosure relates to a technology of gas stoves, and more particularly to a burner assembly and a gas stove.
- a burner assembly in the prior art is generally constituted by a burner, a gas distribution disk disposed to the burner and a burner cap assembly mounted to the gas distribution disk. Since the burner and the gas distribution disk each are required to be resistant to high temperature, fitting surfaces of the burner and the gas distribution disk are generally subject to a finely planishing treatment, so as to maintain flatness of the fitting surfaces of the two, thereby effectively preventing gas leakage. However during the practical processing, due to a machining error, the fitting surfaces of the burner and the gas distribution disk cannot be sealed completely.
- the burner and the gas distribution disk expand when heated, and the fitting surfaces of the burner and the gas distribution disk may be partially separated, such that it is difficult to ensure reliability of the sealing between the burner and the gas distribution disk, thereby resulting in a gas leakage problem existing in the gas stove.
- a main objective of the present disclosure is to provide a burner assembly, which seeks to improve reliability of sealing between a burner and a gas distribution disk, and prevent gas leakage in the burner.
- a burner assembly provided by the present disclosure includes a burner, a gas distribution disk mounted to the burner, and a flexible metal sealing ring located between the burner and the gas distribution disk.
- the gas distribution disk has a first fitting surface on a bottom portion, and the burner has a second fitting surface on a top portion.
- the flexible metal sealing ring has a first surface and a second surface opposite to the first surface, the first surface is seal-fitted with the first fitting surface of the gas distribution disk, and the second surface is seal-fitted with the second fitting surface of the burner.
- a circumferential edge of the top portion of the burner is provided with a ring-shaped boss, and an enclosure wall located in the ring-shaped boss is provided to the top portion of the burner and extends upwards.
- the bottom portion of the gas distribution disk is provided with a first flange corresponding to the ring-shaped boss, and the bottom portion of the gas distribution disk is provided with a second flange corresponding to enclosure wall.
- the flexible metal sealing ring includes a first sealing ring and a second sealing ring, a first surface of the first sealing ring abutting against the first flange, a second surface of the first sealing ring abutting against a top part of the ring-shaped boss, a first surface of the second sealing ring abutting against the second flange, and a second surface of the second sealing ring abutting against a top part of the enclosure wall.
- the first sealing ring is fixed to the first flange, and the second sealing ring is fixed to the second flange.
- the first surface of the first sealing ring adheres to the first flange or is screwed to the first flange through a screw, and the second surface of the first sealing ring adheres to the top part of the ring-shaped boss; the first surface of the second sealing ring adheres to the second flange or is screwed to the second flange through a screw, and the second surface of the second sealing ring adheres to the top part of the enclosure wall.
- the second surface of the first sealing ring is provided with an adhesive backing layer bonding to the top part of the ring-shaped boss, and the second surface of the second sealing ring is provided with an adhesive backing layer bonding to the top part of the enclosure wall.
- a material of the flexible metal sealing ring is aluminum or copper.
- a thickness of the flexible metal sealing ring is 0.1-0.5mm.
- the flexible metal sealing ring is provided with a first material layer and a second material layer in a direction from the first surface to the second surface, the material of the first material layer being as same as that of the gas distribution disk, the material of the second material layer being as same as that of burner, and the first material layer and the second material layer being formed integrally.
- the materials of the gas distribution disk and the first material layer are aluminum or copper, the materials of the burner and the second material layer are iron.
- a gas stove is further provided by the present disclosure and includes a panel, a base shell and a burner assembly.
- the panel covers the base shell and defines, with the base shell, an accommodation space for accommodating the burner assembly.
- the burner assembly includes a burner, a gas distribution disk mounted to the burner, and a flexible metal sealing ring located between the burner and the gas distribution disk; the gas distribution disk has a first fitting surface on a bottom portion, and the burner has a second fitting surface on a top portion; the flexible metal sealing ring has a first surface and a second surface opposite to the first surface, the first surface is seal-fitted with the first fitting surface of the gas distribution disk, and the second surface is seal-fitted with the second fitting surface of the burner.
- the flexible metal sealing ring is additionally disposed between the burner and the gas distribution disk.
- the first surface of the flexible metal sealing ring abuts against the first fitting surface of the gas distribution disk, and the second surface of the flexible metal sealing ring abuts against the second fitting surface of the burner, thereby achieving a better sealing effect.
- the gas distribution disk and the burner each are heated to expand, and since the flexible metal sealing ring has better thermal elasticity, the first fitting surface of the gas distribution disk expanded by heat is pressed on and closely fitted to the first surface of the flexible metal sealing ring, and the second fitting surface of the burner expanded by heat is pressed on and closely fitted to the second surface of the flexible metal sealing ring, such that the burner can be better seal-fitted with the gas distribution disk due to the thermal elasticity of the flexible metal sealing ring, thereby effectively preventing gas leakage and achieving better safety.
- Reference numeral Object Reference numeral Object 1 Inner ring burner cap 2 Outer ring burner cap 3 Gas distribution disk 31 Second flange 32 First flange 4 Flexible metal sealing ring 4a Second sealing ring 4b First sealing ring 41 First material layer 42 Second material layer 5 Burner 51 Enclosure wall 52 Ring-shaped boss 53 Injection pipe 54 Gas mixing chamber 1' Burner assembly 2' Base shell 3' Panel 4' Gas pipe assembly
- first and second are used herein for purposes of description and are not intended to indicate or imply relative importance or significance or to imply the number of indicated technical features.
- the feature defined with “first” and “second” may comprise one or more of this feature.
- technical solutions in respective embodiments may be mutual combined, and the combination must be on basis of that can be achieved by those skilled in the art. When the combinations of technical solutions appear to be mutually contradictory or cannot be achieved, the combinations of technical solutions should be deemed to be inexistent, and are not within the protection scope of the present disclosure.
- a burner assembly is provided by the present disclosure.
- Fig. 1 is a schematic view of a burner assembly according to an embodiment of the present disclosure
- Fig. 2 is a top view of the burner assembly illustrated in Fig. 1
- Fig. 3 is a schematic section view taken along A-A line of the burner assembly illustrated in Fig. 2
- Fig. 4 is a schematic exploded view of the burner assembly illustrated in Fig. 1 .
- the burner assembly includes a burner 5, a gas distribution disk 3 mounted to the burner 5, a burner cap assembly fixed to the gas distribution disk 3, and a flexible metal sealing ring 4 located between the burner 5 and the gas distribution disk 3.
- the gas distribution disk 3 has a first fitting surface on a bottom portion, and the burner 5 has a second fitting surface on a top portion.
- the flexible metal sealing ring 4 has a first surface and a second surface opposite to the first surface.
- the above burner cap assembly can include an inner ring burner cap 1 and an outer ring burner cap 2, or can include one burner cap.
- the burner cap includes the inner ring burner cap 1 and the outer ring burner cap 2.
- the burner 5 introduces gas through an injection pipe 53, and the injection pipe 53 is designed according to Venturi principle, which can increase an inlet velocity of the gas.
- the flexible metal sealing ring 4 is additionally disposed between the burner 5 and the gas distribution disk 3.
- the first surface of the flexible metal sealing ring 4 abuts against the first fitting surface of the gas distribution disk 3, and the second surface of the flexible metal sealing ring 4 abuts against the second fitting surface of the burner 5, thereby achieving a better sealing effect.
- the gas distribution disk 3 and the burner 5 each are heated to expand, and since the flexible metal sealing ring 4 has better thermal elasticity, the first fitting surface of the gas distribution disk 3 expanded by heat is pressed on and closely fitted to the first surface of the flexible metal sealing ring 4, and the second fitting surface of the burner 5 expanded by heat is pressed on and closely fitted to the second surface of the flexible metal sealing ring 4, such that the burner 5 can be better seal-fitted with the gas distribution disk 3 due to the thermal elasticity of the flexible metal sealing ring 4, thereby effectively preventing gas leakage and achieving better safety.
- a circumferential edge of the top portion of the burner 5 is provided with a ring-shaped boss 52, and an enclosure wall 51 located in the ring-shaped boss 52 is provided to the top portion of the burner 5 and extends upwards.
- the bottom portion of the gas distribution disk 3 is provided with a first flange 32 corresponding to the ring-shaped boss 52, and the bottom portion of the gas distribution disk 3 is provided with a second flange 31 corresponding to the enclosure wall 51.
- the flexible metal sealing ring 4 includes a first sealing ring 4b and a second sealing ring 4a.
- a first surface of the first sealing ring 4b abuts against the first flange 32, and a second surface of the first sealing ring 4b abuts against a top part of the ring-shaped boss 52; a first surface of the second sealing ring 4a abuts against the second flange 31, and a second surface of the second sealing ring 4a abuts against a top part of the enclosure wall 51.
- the first sealing ring 4b is located between the first flange 32 and the ring-shaped boss 52, thereby facilitating the fixation of the first sealing ring 4b.
- the fitting manner between the first flange 32 and the boss is not limited to just one embodiment, but all the other fitting manners, such as the fitting between a boss and a groove or the fitting between two grooves, can be sealed by the first sealing ring 4b.
- the function of the second sealing ring 4a is similar to that of the first sealing ring 4b, and a structural connection of the second sealing ring 4a is similar to that of the first sealing ring 4b, which will not be elaborated herein.
- the first sealing ring 4b is fixed to the first flange 32, and the second sealing ring 4a is fixed to the second flange 31.
- the first sealing ring 4b can be directly mounted to the first flange 32, or the first sealing ring 4b can be directly mounted to the ring-shaped boss 52.
- the area of the above first sealing ring 4b is adapted to the area of the first flange 32, so as to achieve a fully close-fit between the first flange 32 and the ring-shaped boss 52.
- the function of the second sealing ring 4a is similar to that of the first sealing ring 4b, and the structural connection of the second sealing ring 4a is similar to that of the first sealing ring 4b, which will not be elaborated herein.
- the first surface of the first sealing ring 4b adheres to the first flange 32 or is screwed to the first flange 32 through a screw, and the second surface of the first sealing ring 4b adheres to the top part of the ring-shaped boss 52; the first surface of the second sealing ring 4a adheres to the second flange 31 or is screwed to the second flange 31 through a screw, and the second surface of the second sealing ring 4a adheres to the top part of the enclosure wall 51.
- the first sealing ring 4b and the second sealing ring 4a can be pasted and fixed by means of an adhesive backing, or connected through a screw.
- the gas distribution disk 3 and the burner 5 can also be screwed and fixed to clamp the first sealing ring 4b and the second sealing ring 4a.
- the second surface of the first sealing ring 4b is provided with an adhesive backing layer (not shown) bonding to the top part of the ring-shaped boss 52
- the second surface of the second sealing ring 4a is provided with an adhesive backing layer bonding to the top part of the enclosure wall 51.
- the adhesive backing layer can further improve the sealing between the first sealing ring 4b and the ring-shaped boss 52 and the sealing between the second sealing ring 4a and the enclosure wall 51, so as to prevent the gas leakage, and can also omit a gluing process, thereby improving the working efficiency.
- a material of the flexible metal sealing ring 4 is aluminum or copper.
- the aluminum or copper has better thermal elasticity and heat resistance.
- other metal or alloy materials can also be chosen as long as the high-temperature resistance and the better thermal elasticity can be satisfied.
- a thickness of the flexible metal sealing ring 4 is 0.1-0.5 mm.
- the thickness of the flexible metal sealing ring 4 is 0.2-0.4 mm.
- the thickness of the flexible metal sealing ring 4 can be reduced, and to satisfy the better thermal elasticity of the flexible metal sealing ring 4, the thickness can be increased appropriately. It can be understood that, other thicknesses are feasible options, and the specific thickness of the flexible metal sealing ring 4 can be designed flexibly according to a design requirement.
- the flexible metal sealing ring 4 is provided with a first material layer 41 and a second material layer 42 in a direction from the first surface to the second surface, the material of the first material layer 41 is as same as that of the gas distribution disk 3, the material of the second material layer 42 is as same as that of burner 5, and the first material layer 41 and the second material layer 42 are formed integrally.
- the flexible metal sealing ring 4 has two layers which can be deposited with or coated with two layers of different thermal elastic metals when being fabricated, so as to enable the gas distribution disk 3 to have the same material as the first material layer 41, and enable the burner 5 to have the same material as the second material layer 42, given that the same material has the same heat-resistant quality.
- the present technical solution can relieve a greater extrusion deformation produced between different components due to different materials, thereby effectively preventing the gas leakage.
- the materials of the gas distribution disk 3 and the first material layer 41 are aluminum or copper, while the materials of the burner 5 and the second material layer 42 are iron.
- the material of the gas distribution disk 3 is aluminum or copper
- the material of the burner 5 is iron.
- the first material layer 41 of the flexible metal sealing ring 4 has the same material as the gas distribution disk 3, and the second material layer 42 of the flexible metal sealing ring 4 has the same material as the burner 5.
- a gas stove is further provided by the present disclosure, and the gas stove includes a panel 3', a base shell 2' and a burner assembly 1'.
- the panel 3' covers the base shell 2' and defines, with the base shell 2', an accommodation space for accommodating the burner assembly 1'.
- a gas inlet end of the burner assembly 1' is communicated with a gas pipe assembly 4'.
- a specific structure of the burner assembly 1' can refer to the above embodiments.
- the gas stove adopts all the technical solutions in the above embodiments, thereby at least having the beneficial effects provided by the technical solutions of the above embodiments, which will not be elaborated herein.
- the burner 5 is provided with three injection pipes 53, and the burner 5 has an inner ring passage, a middle ring passage and an outer ring passage correspondingly connected with the three injection pipes in the burner 5. Burning and injection by means of three independent passages can improve a gas flow of the gas stove.
- the three injection pipes all adopt the structures based on the Venturi principle, so as to accelerate a flow rate of the gas.
- a first flame port of the inner ring burner cap 1 communicated with a first flame transfer channel
- a second flame port of the inner ring burner cap 1 communicated with a second flame transfer channel
- a major flame port of the outer ring burner cap 2 each adopt a three-level combustion assistance technology, thereby allowing more sufficient combustion of the gas, and improving the combustion efficiency.
- the whole gas stove adopts injection for combustion assistance at a nozzle, an injection pipe mouth and the gas distribution disk 3.
- injection for combustion assistance at a nozzle, an injection pipe mouth and the gas distribution disk 3.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
Description
- The present disclosure relates to a technology of gas stoves, and more particularly to a burner assembly and a gas stove.
- A burner assembly in the prior art is generally constituted by a burner, a gas distribution disk disposed to the burner and a burner cap assembly mounted to the gas distribution disk. Since the burner and the gas distribution disk each are required to be resistant to high temperature, fitting surfaces of the burner and the gas distribution disk are generally subject to a finely planishing treatment, so as to maintain flatness of the fitting surfaces of the two, thereby effectively preventing gas leakage. However during the practical processing, due to a machining error, the fitting surfaces of the burner and the gas distribution disk cannot be sealed completely. Moreover during the practical processing, the burner and the gas distribution disk expand when heated, and the fitting surfaces of the burner and the gas distribution disk may be partially separated, such that it is difficult to ensure reliability of the sealing between the burner and the gas distribution disk, thereby resulting in a gas leakage problem existing in the gas stove.
- A main objective of the present disclosure is to provide a burner assembly, which seeks to improve reliability of sealing between a burner and a gas distribution disk, and prevent gas leakage in the burner.
- In order to achieve the above objective, a burner assembly provided by the present disclosure includes a burner, a gas distribution disk mounted to the burner, and a flexible metal sealing ring located between the burner and the gas distribution disk. The gas distribution disk has a first fitting surface on a bottom portion, and the burner has a second fitting surface on a top portion. The flexible metal sealing ring has a first surface and a second surface opposite to the first surface, the first surface is seal-fitted with the first fitting surface of the gas distribution disk, and the second surface is seal-fitted with the second fitting surface of the burner.
- Preferably, a circumferential edge of the top portion of the burner is provided with a ring-shaped boss, and an enclosure wall located in the ring-shaped boss is provided to the top portion of the burner and extends upwards.
- The bottom portion of the gas distribution disk is provided with a first flange corresponding to the ring-shaped boss, and the bottom portion of the gas distribution disk is provided with a second flange corresponding to enclosure wall.
- The flexible metal sealing ring includes a first sealing ring and a second sealing ring, a first surface of the first sealing ring abutting against the first flange, a second surface of the first sealing ring abutting against a top part of the ring-shaped boss, a first surface of the second sealing ring abutting against the second flange, and a second surface of the second sealing ring abutting against a top part of the enclosure wall.
- Preferably, the first sealing ring is fixed to the first flange, and the second sealing ring is fixed to the second flange.
- Preferably, the first surface of the first sealing ring adheres to the first flange or is screwed to the first flange through a screw, and the second surface of the first sealing ring adheres to the top part of the ring-shaped boss; the first surface of the second sealing ring adheres to the second flange or is screwed to the second flange through a screw, and the second surface of the second sealing ring adheres to the top part of the enclosure wall.
- Preferably, the second surface of the first sealing ring is provided with an adhesive backing layer bonding to the top part of the ring-shaped boss, and the second surface of the second sealing ring is provided with an adhesive backing layer bonding to the top part of the enclosure wall.
- Preferably, a material of the flexible metal sealing ring is aluminum or copper.
- Preferably, a thickness of the flexible metal sealing ring is 0.1-0.5mm.
- Preferably, the flexible metal sealing ring is provided with a first material layer and a second material layer in a direction from the first surface to the second surface, the material of the first material layer being as same as that of the gas distribution disk, the material of the second material layer being as same as that of burner, and the first material layer and the second material layer being formed integrally.
- Preferably, the materials of the gas distribution disk and the first material layer are aluminum or copper, the materials of the burner and the second material layer are iron.
- A gas stove is further provided by the present disclosure and includes a panel, a base shell and a burner assembly. The panel covers the base shell and defines, with the base shell, an accommodation space for accommodating the burner assembly. The burner assembly includes a burner, a gas distribution disk mounted to the burner, and a flexible metal sealing ring located between the burner and the gas distribution disk; the gas distribution disk has a first fitting surface on a bottom portion, and the burner has a second fitting surface on a top portion; the flexible metal sealing ring has a first surface and a second surface opposite to the first surface, the first surface is seal-fitted with the first fitting surface of the gas distribution disk, and the second surface is seal-fitted with the second fitting surface of the burner.
- In the technical solutions of the present disclosure, the flexible metal sealing ring is additionally disposed between the burner and the gas distribution disk. The first surface of the flexible metal sealing ring abuts against the first fitting surface of the gas distribution disk, and the second surface of the flexible metal sealing ring abuts against the second fitting surface of the burner, thereby achieving a better sealing effect. When the burner assembly operates, the gas distribution disk and the burner each are heated to expand, and since the flexible metal sealing ring has better thermal elasticity, the first fitting surface of the gas distribution disk expanded by heat is pressed on and closely fitted to the first surface of the flexible metal sealing ring, and the second fitting surface of the burner expanded by heat is pressed on and closely fitted to the second surface of the flexible metal sealing ring, such that the burner can be better seal-fitted with the gas distribution disk due to the thermal elasticity of the flexible metal sealing ring, thereby effectively preventing gas leakage and achieving better safety.
- In order to describe embodiments of the present disclosure or technical solutions in the prior art more clearly, the drawings necessary in the descriptions of the embodiments or the prior art will be briefly explained. Obviously, the drawings in the following description are just some embodiments of the present disclosure. To those skilled in the art, in the premise of no creative labor, other drawings can also be obtained according to structures illustrated in these drawings.
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Fig. 1 is a schematic view of a burner assembly according to an embodiment of the present disclosure; -
Fig. 2 is a top view of the burner assembly illustrated inFig. 1 ; -
Fig. 3 is a schematic section view taken along A-A line of the burner assembly illustrated inFig. 2 ; -
Fig. 4 is a schematic exploded view of the burner assembly illustrated inFig. 1 ; -
Fig. 5 is a schematic view of a gas distribution disk illustrated inFig. 4 ; -
Fig. 6 is a schematic view of a flexible metal sealing ring illustrated inFig. 4 ; -
Fig. 7 is a schematic section view of the flexible metal sealing ring illustrated inFig. 6 ; -
Fig. 8 is a schematic view of a gas stove according to an embodiment of the present disclosure. -
Reference numeral Object Reference numeral Object 1 Inner ring burner cap 2 Outer ring burner cap 3 Gas distribution disk 31 Second flange 32 First flange 4 Flexible metal sealing ring 4a Second sealing ring 4b First sealing ring 41 First material layer 42 Second material layer 5 Burner 51 Enclosure wall 52 Ring- shaped boss 53 Injection pipe 54 Gas mixing chamber 1' Burner assembly 2' Base shell 3' Panel 4' Gas pipe assembly - Implementation of the objective, functional features and advantages of the present disclosure will be further described with reference to the drawings in combination with embodiments.
- Technical solutions in embodiments of the present disclosure will be clearly and completely described in combination with the drawings in the embodiments of the present disclosure in the followings. Obviously, the embodiments described are just a part of embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments of the present disclosure, all the other embodiments obtained by the skilled in the art without the creative labors belong to the protection scope of the present disclosure.
- It should be noted that, all the directional indications (such as "upper," "lower," "front," "rear," "left," "right," ) in embodiments of the present disclosure are just to explain relative positional relation and movement conditions between respective components under a certain posture (as shown in the drawings). If the certain posture changes, the directional indications change correspondingly.
- In addition, terms such as "first" and "second" are used herein for purposes of description and are not intended to indicate or imply relative importance or significance or to imply the number of indicated technical features. Thus, the feature defined with "first" and "second" may comprise one or more of this feature. Furthermore, technical solutions in respective embodiments may be mutual combined, and the combination must be on basis of that can be achieved by those skilled in the art. When the combinations of technical solutions appear to be mutually contradictory or cannot be achieved, the combinations of technical solutions should be deemed to be inexistent, and are not within the protection scope of the present disclosure.
- A burner assembly is provided by the present disclosure.
- Referring to
Fig. 1, Fig. 1 is a schematic view of a burner assembly according to an embodiment of the present disclosure;Fig. 2 is a top view of the burner assembly illustrated inFig. 1 ;Fig. 3 is a schematic section view taken along A-A line of the burner assembly illustrated inFig. 2 ;Fig. 4 is a schematic exploded view of the burner assembly illustrated inFig. 1 . - Referring to
Fig. 1 , in the present embodiment, the burner assembly includes aburner 5, agas distribution disk 3 mounted to theburner 5, a burner cap assembly fixed to thegas distribution disk 3, and a flexiblemetal sealing ring 4 located between theburner 5 and thegas distribution disk 3. Thegas distribution disk 3 has a first fitting surface on a bottom portion, and theburner 5 has a second fitting surface on a top portion. The flexiblemetal sealing ring 4 has a first surface and a second surface opposite to the first surface. When theburner 5 and thegas distribution disk 3 are heated to expand, the first surface is seal-fitted with the first fitting surface of thegas distribution disk 3, and the second surface is seal-fitted with the second fitting surface of the burner. The above burner cap assembly can include an innerring burner cap 1 and an outerring burner cap 2, or can include one burner cap. In the present embodiment, the burner cap includes the innerring burner cap 1 and the outerring burner cap 2. Theburner 5 introduces gas through aninjection pipe 53, and theinjection pipe 53 is designed according to Venturi principle, which can increase an inlet velocity of the gas. - In the technical solutions of the present disclosure, the flexible
metal sealing ring 4 is additionally disposed between theburner 5 and thegas distribution disk 3. The first surface of the flexiblemetal sealing ring 4 abuts against the first fitting surface of thegas distribution disk 3, and the second surface of the flexiblemetal sealing ring 4 abuts against the second fitting surface of theburner 5, thereby achieving a better sealing effect. When the burner assembly operates, thegas distribution disk 3 and theburner 5 each are heated to expand, and since the flexiblemetal sealing ring 4 has better thermal elasticity, the first fitting surface of thegas distribution disk 3 expanded by heat is pressed on and closely fitted to the first surface of the flexiblemetal sealing ring 4, and the second fitting surface of theburner 5 expanded by heat is pressed on and closely fitted to the second surface of the flexiblemetal sealing ring 4, such that theburner 5 can be better seal-fitted with thegas distribution disk 3 due to the thermal elasticity of the flexiblemetal sealing ring 4, thereby effectively preventing gas leakage and achieving better safety. - Referring to
Figs. 1 to 6 , in a preferable embodiment, a circumferential edge of the top portion of theburner 5 is provided with a ring-shapedboss 52, and anenclosure wall 51 located in the ring-shapedboss 52 is provided to the top portion of theburner 5 and extends upwards. - The bottom portion of the
gas distribution disk 3 is provided with afirst flange 32 corresponding to the ring-shapedboss 52, and the bottom portion of thegas distribution disk 3 is provided with asecond flange 31 corresponding to theenclosure wall 51. - The flexible
metal sealing ring 4 includes afirst sealing ring 4b and asecond sealing ring 4a. A first surface of thefirst sealing ring 4b abuts against thefirst flange 32, and a second surface of thefirst sealing ring 4b abuts against a top part of the ring-shapedboss 52; a first surface of thesecond sealing ring 4a abuts against thesecond flange 31, and a second surface of thesecond sealing ring 4a abuts against a top part of theenclosure wall 51. - In embodiments of the present disclosure, the
first sealing ring 4b is located between thefirst flange 32 and the ring-shapedboss 52, thereby facilitating the fixation of thefirst sealing ring 4b. Certainly, the fitting manner between thefirst flange 32 and the boss is not limited to just one embodiment, but all the other fitting manners, such as the fitting between a boss and a groove or the fitting between two grooves, can be sealed by thefirst sealing ring 4b. The function of thesecond sealing ring 4a is similar to that of thefirst sealing ring 4b, and a structural connection of thesecond sealing ring 4a is similar to that of thefirst sealing ring 4b, which will not be elaborated herein. - Referring to
Figs. 1 to 4 , in a preferable embodiment, thefirst sealing ring 4b is fixed to thefirst flange 32, and thesecond sealing ring 4a is fixed to thesecond flange 31. In order to facilitate the fixation of thefirst sealing ring 4b and thesecond sealing ring 4a, thefirst sealing ring 4b can be directly mounted to thefirst flange 32, or thefirst sealing ring 4b can be directly mounted to the ring-shapedboss 52. The area of the abovefirst sealing ring 4b is adapted to the area of thefirst flange 32, so as to achieve a fully close-fit between thefirst flange 32 and the ring-shapedboss 52. The function of thesecond sealing ring 4a is similar to that of thefirst sealing ring 4b, and the structural connection of thesecond sealing ring 4a is similar to that of thefirst sealing ring 4b, which will not be elaborated herein. - Referring to
Fig. 5 , in a preferable embodiment, the first surface of thefirst sealing ring 4b adheres to thefirst flange 32 or is screwed to thefirst flange 32 through a screw, and the second surface of thefirst sealing ring 4b adheres to the top part of the ring-shapedboss 52; the first surface of thesecond sealing ring 4a adheres to thesecond flange 31 or is screwed to thesecond flange 31 through a screw, and the second surface of thesecond sealing ring 4a adheres to the top part of theenclosure wall 51. In order to further improve the stability of the assembly of thefirst sealing ring 4b and thesecond sealing ring 4a, thefirst sealing ring 4b and thesecond sealing ring 4a can be pasted and fixed by means of an adhesive backing, or connected through a screw. Besides that, thegas distribution disk 3 and theburner 5 can also be screwed and fixed to clamp thefirst sealing ring 4b and thesecond sealing ring 4a. - In a preferable embodiment, the second surface of the
first sealing ring 4b is provided with an adhesive backing layer (not shown) bonding to the top part of the ring-shapedboss 52, and the second surface of thesecond sealing ring 4a is provided with an adhesive backing layer bonding to the top part of theenclosure wall 51. In embodiments of the present disclosure, the adhesive backing layer can further improve the sealing between thefirst sealing ring 4b and the ring-shapedboss 52 and the sealing between thesecond sealing ring 4a and theenclosure wall 51, so as to prevent the gas leakage, and can also omit a gluing process, thereby improving the working efficiency. - In a preferable embodiment, a material of the flexible
metal sealing ring 4 is aluminum or copper. The aluminum or copper has better thermal elasticity and heat resistance. Besides that, other metal or alloy materials can also be chosen as long as the high-temperature resistance and the better thermal elasticity can be satisfied. - In a preferable embodiment, a thickness of the flexible
metal sealing ring 4 is 0.1-0.5 mm. Preferably, the thickness of the flexiblemetal sealing ring 4 is 0.2-0.4 mm. To save materials of the flexiblemetal sealing ring 4, the thickness of the flexiblemetal sealing ring 4 can be reduced, and to satisfy the better thermal elasticity of the flexiblemetal sealing ring 4, the thickness can be increased appropriately. It can be understood that, other thicknesses are feasible options, and the specific thickness of the flexiblemetal sealing ring 4 can be designed flexibly according to a design requirement. - Referring to
Figs. 6 and 7 , in a preferable embodiment, the flexiblemetal sealing ring 4 is provided with afirst material layer 41 and asecond material layer 42 in a direction from the first surface to the second surface, the material of thefirst material layer 41 is as same as that of thegas distribution disk 3, the material of thesecond material layer 42 is as same as that ofburner 5, and thefirst material layer 41 and thesecond material layer 42 are formed integrally. In order to further improve the sealing property, the flexiblemetal sealing ring 4 has two layers which can be deposited with or coated with two layers of different thermal elastic metals when being fabricated, so as to enable thegas distribution disk 3 to have the same material as thefirst material layer 41, and enable theburner 5 to have the same material as thesecond material layer 42, given that the same material has the same heat-resistant quality. The present technical solution can relieve a greater extrusion deformation produced between different components due to different materials, thereby effectively preventing the gas leakage. - Referring to
Figs. 6 and 7 , in a preferable embodiment, the materials of thegas distribution disk 3 and thefirst material layer 41 are aluminum or copper, while the materials of theburner 5 and thesecond material layer 42 are iron. In the present embodiment, the material of thegas distribution disk 3 is aluminum or copper, and the material of theburner 5 is iron. In order to reduce the extrusion between thegas distribution disk 3 and theburner 5 when heated, thefirst material layer 41 of the flexiblemetal sealing ring 4 has the same material as thegas distribution disk 3, and thesecond material layer 42 of the flexiblemetal sealing ring 4 has the same material as theburner 5. - Referring to
Fig. 8 , a gas stove is further provided by the present disclosure, and the gas stove includes a panel 3', a base shell 2' and a burner assembly 1'. The panel 3' covers the base shell 2' and defines, with the base shell 2', an accommodation space for accommodating the burner assembly 1'. A gas inlet end of the burner assembly 1' is communicated with a gas pipe assembly 4'. A specific structure of the burner assembly 1' can refer to the above embodiments. The gas stove adopts all the technical solutions in the above embodiments, thereby at least having the beneficial effects provided by the technical solutions of the above embodiments, which will not be elaborated herein. - The
burner 5 is provided with threeinjection pipes 53, and theburner 5 has an inner ring passage, a middle ring passage and an outer ring passage correspondingly connected with the three injection pipes in theburner 5. Burning and injection by means of three independent passages can improve a gas flow of the gas stove. The three injection pipes all adopt the structures based on the Venturi principle, so as to accelerate a flow rate of the gas. A first flame port of the innerring burner cap 1 communicated with a first flame transfer channel, a second flame port of the innerring burner cap 1 communicated with a second flame transfer channel, and a major flame port of the outerring burner cap 2 each adopt a three-level combustion assistance technology, thereby allowing more sufficient combustion of the gas, and improving the combustion efficiency. In addition, the whole gas stove adopts injection for combustion assistance at a nozzle, an injection pipe mouth and thegas distribution disk 3. By the three-level air injection combustion assistance technology, it is possible to improve the combustion efficiency of the gas, thereby saving the gas cost and improving the quality of the entire product. - The above descriptions are just preferable embodiments of the present disclosure and are not intended to limit the patent scope of the present disclosure. Any equivalent structural variations made by making use of the specification or drawings under the inventive concept of the present disclosure are included in the protection scope of the present disclosure.
Claims (10)
- A burner assembly comprising a burner and a gas distribution disk mounted to the burner, wherein the burner assembly further comprises a flexible metal sealing ring located between the burner and the gas distribution disk, the burner having a first fitting surface on a top portion, and the gas distribution disk having a second fitting surface on a bottom portion; and the flexible metal sealing ring has a first surface and a second surface opposite to the first surface, the first surface being seal-fitted with the first fitting surface of the gas distribution disk, and the second surface being seal-fitted with the second fitting surface of the burner.
- The burner assembly according to claim 1, wherein a circumferential edge of the top portion of the burner is provided with a ring-shaped boss, and an enclosure wall located in the ring-shaped boss is provided to the top portion of the burner and extends upwards;
the bottom portion of the gas distribution disk is provided with a first flange corresponding to the ring-shaped boss, and the bottom portion of the gas distribution disk is provided with a second flange corresponding to enclosure wall;
the flexible metal sealing ring comprises a first sealing ring and a second sealing ring, a first surface of the first sealing ring abutting against the first flange, a second surface of the first sealing ring abutting against a top part of the ring-shaped boss, a first surface of the second sealing ring abutting against the second flange, and a second surface of the second sealing ring abutting against a top part of the enclosure wall. - The burner assembly according to claim 2, wherein the first sealing ring is fixed to the first flange, and the second sealing ring is fixed to the second flange.
- The burner assembly according to claim 3, wherein the first surface of the first sealing ring adheres to the first flange or is screwed to the first flange through a screw, and the second surface of the first sealing ring adheres to the top part of the ring-shaped boss; the first surface of the second sealing ring adheres to the second flange or is screwed to the second flange through a screw, and the second surface of the second sealing ring adheres to the top part of the enclosure wall.
- The burner assembly according to claim 4, wherein the second surface of the first sealing ring is provided with an adhesive backing layer bonding to the top part of the ring-shaped boss, and the second surface of the second sealing ring is provided with an adhesive backing layer bonding to the top part of the enclosure wall.
- The burner assembly according to any one of claims 1-5, wherein a material of the flexible metal sealing ring is aluminum or copper.
- The burner assembly according to any one of claims 1-5, wherein a thickness of the flexible metal sealing ring is 0.1-0.5 mm.
- The burner assembly according to claim 1, wherein the flexible metal sealing ring is provided with a first material layer and a second material layer in a direction from the first surface to the second surface, the material of the first material layer being as same as that of the gas distribution disk, the material of the second material layer being as same as that of burner, and the first material layer and the second material layer being formed integrally.
- The burner assembly according to claim 8, wherein the materials of the gas distribution disk and the first material layer are aluminum or copper, and the materials of the burner and the second material layer are iron.
- A gas stove comprising a panel, a base shell and a burner assembly, the panel covering the base shell and defining, with the base shell, an accommodation space for accommodating the burner assembly, wherein the burner assembly is the burner assembly according to any one of claims 1-9.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510963461.3A CN105444170B (en) | 2015-12-17 | 2015-12-17 | Burner assembly and gas-cooker |
PCT/CN2016/099749 WO2017101545A1 (en) | 2015-12-17 | 2016-09-22 | Burner assembly and gas stove |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3276261A1 true EP3276261A1 (en) | 2018-01-31 |
EP3276261A4 EP3276261A4 (en) | 2018-06-20 |
EP3276261B1 EP3276261B1 (en) | 2021-07-28 |
Family
ID=55554665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16874605.5A Active EP3276261B1 (en) | 2015-12-17 | 2016-09-22 | Burner assembly and gas stove |
Country Status (4)
Country | Link |
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US (1) | US20180320894A1 (en) |
EP (1) | EP3276261B1 (en) |
CN (1) | CN105444170B (en) |
WO (1) | WO2017101545A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105444170B (en) * | 2015-12-17 | 2018-05-18 | 广东美的厨房电器制造有限公司 | Burner assembly and gas-cooker |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3843313A (en) * | 1973-07-23 | 1974-10-22 | Raytheon Co | Multi-cavity radiant burner |
JP3160464B2 (en) * | 1994-05-23 | 2001-04-25 | 東京瓦斯株式会社 | Gas stove |
US20050095547A1 (en) * | 2003-10-31 | 2005-05-05 | Pottenger John T. | Burner assembly and cooktop including same |
KR200441549Y1 (en) * | 2007-02-16 | 2008-08-25 | 쿠쿠전자주식회사 | electric pressurized cooker |
CN101666500B (en) * | 2009-09-01 | 2014-04-16 | 广东万家乐燃气具有限公司 | Upper inlet wind type burner |
CN202826579U (en) * | 2012-09-06 | 2013-03-27 | 西安雅西复合材料有限公司 | Peelable composite plate for manufacturing composite gasket |
CN203099913U (en) * | 2012-11-08 | 2013-07-31 | 美的集团股份有限公司 | Gas range |
CN203099912U (en) * | 2012-11-08 | 2013-07-31 | 美的集团股份有限公司 | Gas range |
CN203176595U (en) * | 2013-04-02 | 2013-09-04 | 谢家明 | Stainless steel bellows gas pipeline joint connecting structure |
EP2868968A1 (en) * | 2013-11-04 | 2015-05-06 | Turas Gaz Armatürleri Sanayi. Ve Ticaret A.S. | Burner Having Multiple Burning Rings |
CN104315516B (en) * | 2014-11-05 | 2018-02-16 | 广东美的厨房电器制造有限公司 | Burner assembly and gas-cooker |
CN104515129B (en) * | 2014-12-25 | 2017-01-18 | 广东美的厨房电器制造有限公司 | Burner and gas stove |
CN204438122U (en) * | 2015-02-10 | 2015-07-01 | 何智勇 | The two-chamber ejection energy-saving burner of gas-cooker |
CN105444170B (en) * | 2015-12-17 | 2018-05-18 | 广东美的厨房电器制造有限公司 | Burner assembly and gas-cooker |
CN205227322U (en) * | 2015-12-17 | 2016-05-11 | 广东美的厨房电器制造有限公司 | Combustor subassembly and gas -cooker |
CN205316321U (en) * | 2016-01-21 | 2016-06-15 | 广东海信家电有限公司 | Aluminum alloy furnace end and combustor |
-
2015
- 2015-12-17 CN CN201510963461.3A patent/CN105444170B/en active Active
-
2016
- 2016-09-22 WO PCT/CN2016/099749 patent/WO2017101545A1/en active Application Filing
- 2016-09-22 US US15/576,280 patent/US20180320894A1/en not_active Abandoned
- 2016-09-22 EP EP16874605.5A patent/EP3276261B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN105444170B (en) | 2018-05-18 |
WO2017101545A1 (en) | 2017-06-22 |
EP3276261B1 (en) | 2021-07-28 |
EP3276261A4 (en) | 2018-06-20 |
CN105444170A (en) | 2016-03-30 |
US20180320894A1 (en) | 2018-11-08 |
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