CN111189047A

CN111189047A - Burner for kitchen range and gas kitchen range using same

Info

Publication number: CN111189047A
Application number: CN202010006551.4A
Authority: CN
Inventors: 杨杰; 陈迪龙; 俞瑜
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-01-03
Filing date: 2020-01-03
Publication date: 2020-05-22
Anticipated expiration: 2040-01-03
Also published as: CN111189047B

Abstract

The utility model provides a combustor for cooking utensils, includes base (2), fire lid (3) and flow distribution plate (4), is formed with gas mixing chamber (5) between this base (2) and fire lid (3), flow distribution plate (4) are located gas mixing chamber (5), and the bottom of base (2) is located in entry (50) of gas mixing chamber (5), set up the fire outlet that is linked together with gas mixing chamber (5) on fire lid (3), flow distribution plate (4)) set up basically horizontally gas mixing chamber entry (50)'s top to with this gas mixing chamber entry (50) between have the clearance. The invention also discloses a gas cooker using the burner. This application has the water conservancy diversion function to effectively prevent that flame from appearing from the flame phenomenon on covering.

Description

Burner for kitchen range and gas kitchen range using same

Technical Field

The invention belongs to the technical field of cookers, and particularly relates to a burner for a cooker and a gas cooker applying the burner.

Background

The burner is one of the important components of the gas cooker, and directly influences the performance of the gas cooker, such as smoke, heat efficiency and the like.

The structure of the existing burner is disclosed in patent number ZL201010588626.0 invention patent "a burner" (publication number CN102032572B), which includes a gas mixing chamber for mixing gas and air, a cover plate is detachably disposed on the top of the gas mixing chamber, and a plurality of fire holes which are distributed at intervals and allow fire to penetrate through are disposed on the cover plate, so that the cover plate can buffer the pressure of the flame emitted from the air injection holes, thereby forming a float flame on the surface of the cover plate, further reducing the emission of the burner and improving the combustion efficiency. In order to further alleviate the pressure of the mixed gas, the patent also provides a flow equalizing plate to primarily block the mixed gas. However, the flow equalizing plate and the cover plate only play a role in blocking mixed gas, and when the gas inlet of the gas mixing chamber faces upwards and is positioned below the flow equalizing plate and the cover plate, the sprayed high-speed gas directly enters the gas mixing chamber, and flame of the fire cover above the gas inlet is still easy to be out of flame.

Disclosure of Invention

The first technical problem to be solved by the invention is to provide a burner for a kitchen range, which can effectively prevent flame from leaving on a fire cover by guiding gas entering a gas mixing cavity, aiming at the current situation of the prior art.

The second technical problem to be solved by the invention is to provide a burner for a kitchen range, which can effectively guide the overflowing liquid on a base so as to avoid causing nozzle blockage.

The third technical problem to be solved by the invention is to provide a gas cooker with the burner.

The fourth technical problem to be solved by the invention is to provide a gas cooker which can adjust the height of a burner according to requirements.

The technical scheme adopted by the invention for solving the first technical problem is as follows: the utility model provides a combustor for cooking utensils, includes the base, is located flow distribution plate and fire lid on the base, base and fire lid between be formed with the gas mixing chamber, the flow distribution plate be located this gas mixing chamber, the bottom of base is located to the entry in gas mixing chamber, the fire is covered and is offered the play fire hole that is linked together with the gas mixing chamber, its characterized in that:

the flow dividing plate is basically horizontally arranged above the air mixing cavity inlet, and a gap is formed between the flow dividing plate and the air mixing cavity inlet.

Furthermore, the lower surface of the flow distribution plate is a flow guide surface with a downward convex middle part, and the flow guide surface gradually extends upwards from the center to the periphery. Therefore, the gas entering from the inlet of the gas mixing cavity can be smoothly guided to the positions of all directions of the gas mixing cavity, so that the combustion efficiency is further improved.

Further, the splitter plate is substantially circular and has a double wing shape in a radial section.

The whole diversion surface is an arc surface with a downward convex center, and the center of the diversion surface is vertically aligned with the inlet of the air mixing cavity. Therefore, the gas coming out from the inlet of the gas mixing cavity can be uniformly dispersed to the periphery after contacting the flow guide surface.

In order to further improve the flow guiding effect, the lower contour line of the flow distribution plate along the radial section comprises a first curve, a second curve and a third curve which are sequentially and smoothly connected, the center of the lower contour line is taken as the center, the horizontal line passing through the center is taken as an X axis, the vertical line passing through the center is taken as an Y axis to establish a coordinate system, and the equation of the first curve is (X +21.42)²+(y+16)²625, wherein x is more than or equal to 32.5 and less than or equal to 4, and y is more than 1.5 and less than or equal to 9; the equation of the second curve is x²+(y-5)²25, wherein x is more than or equal to-4 and less than or equal to 4, and y is more than or equal to 0 and less than or equal to 1.5; the equation of the third curve is (x-21.42)²+(y+16)²625, wherein x is more than 4 and less than or equal to 32.5, and y is more than 1.5 and less than or equal to 9.

The inlet of the gas mixing cavity is more opposite to the gas nozzle, in order to avoid overflowing liquid from blocking the gas nozzle and ensure the combustion efficiency of the combustor, the splitter plate is provided with a plurality of through holes, the through holes are distributed along the circumferential direction of the splitter plate, and the projection of the through holes on the horizontal plane is positioned on the periphery of the projection of the inlet of the gas mixing cavity on the horizontal plane.

In order to further prevent the overflowing liquid from blocking the nozzle, the lower surface of the flow distribution plate is provided with a convex block which is downward and convexly corresponding to each through hole, and the through holes vertically penetrate through the corresponding convex blocks. In this way, the risk of spillage dripping onto the nozzle as it flows laterally along the lower surface of the diverter plate is reduced.

The splitter plate may be directly fixed to the fire cover or may be supported on the base by at least three legs.

In addition, the device also comprises a counterweight ball and a spring, wherein the counterweight ball is hung below the fire cover in a suspension way through the spring and is positioned above the flow distribution plate.

The base and the fire cover can refer to the structure of the base and the fire cover in the prior art. Further, the base and the fire cover are matched and fixed into a whole by the periphery of the fire cover.

The fire holes of the fire cover comprise first fire holes distributed on the top wall of the fire cover. Thereby ensuring the burning area of the flame on the fire cover.

In order to heat more fully, a second fire outlet hole is formed in the peripheral wall of the side of the fire cover along the circumferential direction, and the second fire outlet hole is inclined upwards from inside to outside and is inclined along the circumferential direction. The second fire outlet holes inclined in the circumferential direction are convenient for flame to transmit fire by itself, and are more beneficial to enhancing combustion by secondary air around the mat rolls, so that the heat efficiency is further improved.

In order to ensure the injection of fuel gas, the inner wall surface of the bottom of the base surrounding the inlet of the gas mixing cavity extends upwards to form an injection pipe, and the injection pipe extends into the gas mixing cavity.

In order to fully mix air and fuel gas, at least two guide strips which are gradually spirally arranged along the vertical direction are convexly arranged on the inner wall surface of the injection pipe.

In order to further solve the second technical problem, preferably, at least one flow guide opening for overflowing liquid on the bottom of the base to flow out is formed in the side wall of the injection pipe, and the flow guide opening is inclined downwards from outside to inside.

In order to prevent a large amount of overflowing liquid from directly flowing into the flow guide opening, a check ring is arranged on the bottom of the base in an upward protruding mode and located on the periphery of the injection pipe, and an opening for overflowing liquid on the bottom of the base to flow through is formed in the check ring. Preferably, the aperture of the opening is smaller than the aperture of the diversion opening. The overflow liquid is filtered preliminarily, and the large-particle substances are prevented from blocking the diversion port.

Preferably, the openings and the diversion ports are arranged in a staggered manner in the radial direction. Therefore, the check ring can shield the overflowing liquid, and the overflowing liquid is prevented from flowing into the flow guide opening at a stroke to block the nozzle when the overflowing liquid is too much.

In order to further prevent the overflow liquid from entering the nozzle, the bottom surface of the base connected with the inlet of the air mixing cavity is inclined downwards from inside to outside so as to guide the overflow liquid to flow downwards along the bottom surface.

Preferably, the bottom surface of the base is provided with at least two supporting legs for supporting the base in a downward protruding manner. The entry of primary air can be ensured.

The technical scheme adopted by the invention for solving the third technical problem is as follows: the gas cooker comprises a panel, wherein the panel is provided with at least one nozzle for upwards spraying gas, the burner is arranged above the nozzle, and the inlet of the gas mixing cavity is opposite to the nozzle.

In order to further solve the fourth technical problem, it is preferable that the burner is provided with a magnetic member, and the panel is correspondingly provided with an electromagnet, and the electromagnet can generate magnetism repulsive to the magnetic member when being electrified, so that the burner can move upwards and float on the panel.

Compared with the prior art, the invention has the advantages that: the flow distribution plate is arranged above the inlet of the gas mixing cavity and is basically horizontally arranged, so that high-speed flowing air flow entering from the inlet of the gas mixing cavity can be buffered under the action of the flow distribution plate and can be diffused along the lower surface of the flow distribution plate to the periphery, and the flame on the flame cover can be effectively prevented from leaving flame;

the flow distribution plate is basically horizontally arranged above the inlet of the gas mixing cavity, and can play a role of preventing liquid overflowing at the same time, when the liquid overflowing occurs, the flow distribution plate can play a role of shielding, and the phenomenon that the overflowing liquid directly drips into the inlet of the gas mixing cavity to cause the blockage of a nozzle opposite to the inlet of the gas mixing cavity is avoided;

meanwhile, under the action of high-speed airflow entering from the inlet of the air mixing cavity, the flow distribution plate can be subjected to upward thrust, so that the combustor of the combustor can move upwards to be suspended;

the gas stove with the burner can reduce flame separation and has the effect of preventing liquid overflow.

Drawings

FIG. 1 is a schematic view of a burner according to an embodiment of the present invention;

FIG. 2 is a top view of a burner according to an embodiment of the present invention;

FIG. 3 is an exploded perspective view of a burner according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a burner according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a base according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a baffle in an embodiment of the invention;

fig. 7 is a schematic structural view of a gas cooker in an embodiment of the present invention (a burner in a left cooker is dropped on a panel, and a burner in a right cooker is suspended above the panel).

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 7, a preferred embodiment of a burner for a cooking stove and a gas cooking stove using the same of the present invention includes a panel 1 and two burners disposed on the panel 1, wherein two nozzles 11 for ejecting gas upward are disposed on the panel 1, and each burner is disposed above the corresponding nozzle 11 in a manner of moving up and down, specifically: the combustor is provided with a magnetic part, the panel 1 is correspondingly provided with an electromagnet, and the electromagnet can generate magnetism repulsive to the magnetic part when being electrified, so that the combustor can move upwards and suspend on the panel 1, and the height of the combustor can be adjusted according to the shape of a cooker.

The burner comprises a base 2, a flow distribution plate 4 and a fire cover 3 which are positioned on the base 2, wherein the base 2 and the fire cover 3 are involutory and fixed into a whole, an integrated cavity is formed between the fire cover 3 and the base 2, the cavity forms a gas mixing cavity 5 for gas and air to enter, and an inlet 50 of the gas mixing cavity 5 is arranged at the bottom of the base 2 and is opposite to the nozzle 11.

The equipartition has the first hole 31 of putting out a fire that is linked together with gas mixing chamber 5 on the 3 roof of above-mentioned fire lid, and first hole 31 of putting out a fire is covered 3 upper surfaces with a fire for go out fire, heating are more even, avoid appearing the too high condition of local heating temperature. The side peripheral wall of the fire cover 3 is provided with a second fire outlet 32 along the circumferential direction, and the second fire outlet 32 is inclined upwards from inside to outside and is inclined along the circumferential direction. Therefore, when the burner is in a suspension state, the airflow from the second fire outlet hole 32 can drive the whole burner to rotate directionally, the convection between the burner and the air is greatly increased in the rotating process, and the secondary air supplement amount is further sufficient; and because the burner rotates, the flame and the pan bottom are always in a relative motion state, the heat exchange with the pan bottom is more violent, and the combustion efficiency is higher.

As shown in fig. 3 to 5, the inner wall surface of the inlet 50 of the synthetic air mixing cavity 5 on the bottom of the base 2 extends upwards to form an injection pipe 21, and the injection pipe 21 extends into the air mixing cavity 5 to ensure the injection capability of the burner. Four guide strips 22 which are gradually spirally arranged along the vertical direction are convexly arranged on the inner wall surface of the injection pipe 21, and the guide strips 22 are distributed along the circumferential direction of the inner wall surface of the injection pipe 21. The flow guide strip 22 can realize that the gas and the air flow upwards in a rotating manner, so that the gas and the air are mixed more fully, the gas sprayed by the nozzle 11 is high-speed flowing gas, the high-speed gas can drive the whole combustor to rotate at a lower speed after flowing through the injection pipe 21, and the combustor has stronger self stability and more stable suspension in the rotating process; meanwhile, the diversion strips 22 can be matched with the second fire outlet 32 to drive the burner to rotate.

In the cooking process, overflowing liquid is inevitably generated and can flow into the gas mixing cavity 5 along the first fire outlet 31, in order to enable the overflowing liquid to flow out of the gas mixing cavity 5, two opposite flow guide ports 23 for the overflowing liquid on the bottom of the base 2 to flow out are arranged on the side wall of the injection pipe 21, and each flow guide port 23 inclines downwards from outside to inside. And the bottom surface of the base 2 engaged with the inlet 50 of the air mixing chamber 5 is inclined downward from inside to outside to guide the overflow to flow down along. Therefore, the overflowing liquid can flow down along the inner wall of the injection pipe 21 after passing through the flow guide port 23 and then flows out from the bottom surface of the base 2, and the overflowing liquid is prevented from entering the nozzle 11 to cause the blockage of the nozzle 11. And the guide strip 22 can guide the overflowing liquid in different areas.

Large granular substances are sometimes doped in the overflowing liquid, in order to prevent the large granular substances from blocking the flow guide port 23, a retaining ring 24 is arranged on the bottom of the base 2 in an upward protruding manner, the retaining ring 24 is positioned at the periphery of the injection pipe 21, an opening 240 for the overflowing liquid on the bottom of the base 2 to flow through is formed in the retaining ring 24, and the caliber of the opening 240 is smaller than that of the flow guide port 23. Meanwhile, the opening 240 and the flow guide opening 23 are arranged in a staggered manner in the radial direction, and the retainer ring 24 and the staggered opening can further prevent a large amount of overflow liquid from directly filling the flow guide opening 23, so that the overflow liquid splashes out (instead of flowing down along the inner wall of the injection pipe 21) due to too high flow speed to block the nozzle.

The present embodiment can ignite when the burner is dropped on the panel 1, and the ignition mode can adopt that the panel 1 is provided with the ignition needle 6, and the ignition needle 6 discharges to the burner when the burner is dropped on the panel 1 to realize ignition. After ignition is successful, the burner moves upwards to realize suspension. In order to ensure the supplement of the primary air, at least two supporting legs 25 for supporting the base 2 are convexly arranged on the bottom surface of the base 2 downwards. When the burner is placed on the panel 1, a space for primary air to enter is formed between the bottom surface of the base 2 and the panel 1, and ignition and combustion of the burner are further ensured.

The above-mentioned flow dividing plate 4 is supported on the base 2 by three legs, and the flow dividing plate 4 is arranged substantially horizontally above the gas mixing chamber inlet 50 with a gap from the gas mixing chamber inlet 50. The diverter plate 4 may be generally circular or square or otherwise shapedThe plate-like structure, in this embodiment, the splitter plate 4 is substantially circular, and the lower surface thereof is a flow guiding surface 41 with a downward convex middle part, and the flow guiding surface 41 gradually extends upward from the center to the periphery. The lower contour line of the radial section of the splitter plate 4 comprises a first curve 4a, a second curve 4b and a third curve 4c which are smoothly connected in sequence, the center of the lower contour line is taken as the center, a horizontal line passing through the center is taken as an X axis, a vertical line passing through the center is taken as a Y axis to establish a coordinate system, and the equation of the first curve 4a is (X +21.42)²+(y+16)²625, wherein x is more than or equal to 32.5 and less than or equal to 4, and y is more than 1.5 and less than or equal to 9; the equation of the second curve 4b is x²+(y-5)²25, wherein x is more than or equal to-4 and less than or equal to 4, and y is more than or equal to 0 and less than or equal to 1.5; the equation of the third curve 4c is (x-21.42)²+(y+16)²625, wherein x is more than 4 and less than or equal to 32.5, and y is more than 1.5 and less than or equal to 9. The first curve corresponds to the center of the guiding surface 41, and the center of the guiding surface 41 is vertically aligned with the gas mixing chamber inlet 50. Please refer to fig. 4.

Meanwhile, the flow distribution plate 4 is provided with a plurality of through holes 42, the through holes 42 are distributed along the circumferential direction of the flow distribution plate 4, and the projection of the through holes 42 on the horizontal plane is positioned at the periphery of the projection of the inlet 50 of the air mixing chamber 5 on the horizontal plane. And the lower surface of the flow distribution plate 4 is provided with a lug 43 which is downward convex corresponding to each through hole 42, and each corresponding lug 43 is vertically penetrated through each through hole 42. Thus, the flow distribution and mixing can be more sufficient, flame separation can be prevented, and simultaneously, the phenomenon that the overflowing liquid directly drips to the nozzle 11 to block the nozzle 11 during overflowing can also be prevented. Please refer to fig. 6.

In this embodiment, in order to stabilize the suspension of the burner, the splitter plate 4 is disposed on the central axis of the air mixing chamber 5, and the central axis of the splitter plate 4 coincides with the central axes of the base 2 and the burner cap 3. Meanwhile, the fire door further comprises a counterweight ball 7 and a spring 8, wherein the counterweight ball 7 is suspended below the fire cover 3 through the spring 8 and is positioned above the flow distribution plate 4. When vibration occurs, the counterweight ball 7 and the spring 8 form a damping effect together, so that shock absorption is realized, and the stability and the use safety of the combustor in the suspension process are ensured; and when the burner rotates, the self-rotation of the burner and the stable structure of the counterweight ball 7 and the spring 8 can further improve the stability of the burner.

Claims

1. The utility model provides a combustor for cooking utensils, includes base (2), flow distribution plate (4) and fire lid (3) that are located on base (2), base (2) and fire lid (3) between be formed with mixed gas chamber (5), flow distribution plate (4) be located this mixed gas chamber (5), the bottom of base (2) is located in entry (50) of mixed gas chamber (5), set up the fire outlet that is linked together with mixed gas chamber (5) on fire lid (3), its characterized in that:

the flow dividing plate (4) is basically horizontally arranged above the air mixing cavity inlet (50) and has a gap with the air mixing cavity inlet (50).

2. The burner of claim 1, wherein: the lower surface of the flow distribution plate (4) is a flow guide surface (41) with a downward convex middle part, and the flow guide surface (41) gradually extends upwards from the center to the periphery.

3. The burner of claim 2, wherein: the splitter plate (4) is basically circular, and the section of the splitter plate along the radial direction is in a double-wing shape.

4. The burner of claim 3, wherein: the diversion surface (41) is integrally a circular arc surface with a downward convex center, and the center of the diversion surface (41) is vertically aligned with the inlet (50) of the air mixing cavity (5).

5. The burner of claim 4, wherein: the lower contour line of the radial section of the flow distribution plate (4) comprises a first curve (4a), a second curve (4b) and a third curve (4c) which are smoothly connected in sequence, the center of the lower contour line is taken as the center, a horizontal line passing through the center is taken as an X axis, a vertical line passing through the center is taken as a Y axis to establish a coordinate system, and the equation of the first curve (4a) is (X +21.42)²+(y+16)²625, wherein x is more than or equal to 32.5 and less than or equal to 4, and y is more than 1.5 and less than or equal to 9; the equation of the second curve (4b) is x²+(y-5)²25, wherein x is more than or equal to-4 and less than or equal to 4, and y is more than or equal to 0 and less than or equal to 1.5; the equation of the third curve (4c) is (x-21.42)²+(y+16)²625, wherein x is more than 4 and less than or equal to 32.5, and y is more than 1.5 and less than or equal to 9.

6. The burner of claim 4, wherein: the flow distribution plate (4) is provided with a plurality of through holes (42), the through holes (42) are distributed along the circumferential direction of the flow distribution plate (4), and the projection of the through holes (42) on the horizontal plane is positioned at the periphery of the projection of the inlet (50) of the air mixing cavity (5) on the horizontal plane.

7. The burner of claim 6, wherein: the lower surface of the flow distribution plate (4) is provided with a lug (43) which protrudes downwards corresponding to each through hole (42), and the through holes (42) vertically penetrate through the corresponding lugs (43).

8. The burner of claim 1, wherein: the flow distribution plate (4) is supported on the base (2) through at least three support legs (40).

9. The burner of claim 8, wherein: the fire cover is characterized by further comprising a counterweight ball (7) and a spring (8), wherein the counterweight ball (7) is suspended below the fire cover (3) through the spring (8) and is positioned above the flow distribution plate (4).

10. The burner of claim 9, wherein: the base (2) is matched and fixed with the periphery of the fire cover (3) into a whole.

11. The burner of claim 1, wherein: the fire outlet holes of the fire cover (3) comprise first fire outlet holes (31) distributed on the top wall of the fire cover (3).

12. The burner of claim 11, wherein: and a second fire outlet hole (32) is formed in the peripheral wall of the side of the fire cover (3) along the circumferential direction, and the second fire outlet hole (32) inclines upwards from inside to outside and inclines along the circumferential direction.

13. The burner of claim 1, wherein: the inner wall surface of the base (2) surrounding the synthetic gas mixing cavity inlet (50) extends upwards to form an injection pipe (21), and the injection pipe (21) extends into the gas mixing cavity (5).

14. The burner of claim 13, wherein: at least two guide strips (22) which are gradually spirally arranged along the vertical direction are convexly arranged on the inner wall surface of the injection pipe (21).

15. The burner of claim 14, wherein: the side wall of the injection pipe (21) is provided with at least one flow guide opening (23) for overflowing liquid on the bottom of the base (2) to flow out, and the flow guide opening (23) inclines downwards from outside to inside.

16. The burner of claim 15, wherein: a check ring (24) is arranged on the bottom of the base (2) in an upward protruding mode, the check ring (24) is located on the periphery of the injection pipe (21), and an opening (240) through which overflowing liquid on the bottom of the base (2) flows is formed in the check ring (24).

17. The burner of claim 16, wherein: the opening (240) and the diversion port (23) are arranged in a staggered mode in the radial direction.

18. The burner of claim 15, wherein: the bottom surface of the base (2) which is connected with the inlet (50) of the air mixing cavity (5) is inclined downwards from inside to outside so as to guide overflow liquid to flow downwards along the bottom surface.

19. A gas cooker using a burner as claimed in any one of claims 1 to 18, comprising a panel (1), wherein at least one nozzle (11) for ejecting gas upwards is arranged on the panel (1), the burner is arranged above the nozzle (11), and an inlet (50) of the gas mixing chamber (5) is opposite to the nozzle (11).

20. The gas hob of claim 19, characterized in that: the combustor is provided with a magnetic part, the panel (1) is correspondingly provided with an electromagnet, and the electromagnet can generate magnetism repulsive to the magnetic part when being electrified, so that the combustor can move upwards and be suspended on the panel (1).