CN112097256A - Commercial gas stove core - Google Patents

Abstract

The invention discloses a commercial gas stove core, which comprises a stove head, wherein a gas mixing chamber is arranged between the inner wall and the outer wall of the stove head, an ignition and extinguishing protection device is arranged in the stove head, a plurality of groups of combustion holes communicated with the gas mixing chamber are arranged on the inner wall of the stove head, the combustion holes comprise a first combustion hole and a second combustion hole, the first combustion hole is obliquely arranged upwards along the direction vertical to the section of the inner wall of the stove head, the second combustion hole extends towards the first combustion hole and is obliquely arranged upwards, the plurality of groups of combustion holes are uniformly distributed on the inner wall of the stove head, the lower end of the stove head is connected with a gas mixing structure, the gas mixing structure is communicated with the gas mixing chamber, an air inlet pipe communicated with the gas mixing structure is arranged on the outer wall of the gas mixing structure, the. The second combustion hole inclines towards the first combustion hole, so that the first combustion hole and the fire of the second combustion hole are flushed mutually, and the first combustion hole and the second combustion hole are uniformly distributed on the inner wall of the furnace end, so that the flame in the furnace end is more uniform.

Description

Commercial gas stove core

Technical Field

The invention relates to the technical field of commercial gas stoves, in particular to a furnace core of a commercial gas stove.

Background

The commercial gas stove is mainly used in kitchens of restaurants, hotels and the like, and in the existing commercial gas stove, gas holes in the inner wall of the burner are usually arranged in a combination of holes and seams, so that the burning size of flame in the burner is uneven.

Disclosure of Invention

In order to solve the defects in the prior art, the invention provides the commercial gas stove burner, the second combustion hole is inclined towards the first combustion hole, so that the fire of the first combustion hole and the fire of the second combustion hole are mutually flushed, and the first combustion hole and the second combustion hole are uniformly distributed on the inner wall of the burner, so that the flame in the burner is more uniform.

In order to achieve the technical effects, the invention adopts the following scheme:

a commercial gas stove core, which comprises a stove head, a gas mixing structure and a ventilation pipe which are arranged from top to bottom in sequence, a gas mixing chamber is arranged between the inner wall and the outer wall of the furnace end, an ignition extinguishing device is arranged in the furnace end, the inner wall of the furnace end is provided with a plurality of groups of combustion holes communicated with the gas mixing chamber, one group of the combustion holes comprises a first combustion hole and a second combustion hole, the first combustion holes are obliquely arranged upwards along the direction vertical to the section of the inner wall of the furnace end, the second combustion holes extend towards the direction of the first combustion holes and are obliquely arranged upwards, a plurality of groups of combustion holes are uniformly distributed on the inner wall of the furnace end, the lower end of the furnace end is connected with a gas mixing structure, the gas mixing structure is communicated with a gas mixing chamber, an air inlet pipe communicated with the gas mixing structure is arranged on the outer wall of the gas mixing structure, the lower end of the gas mixing structure is connected with a ventilation pipe, and the ventilation pipe is communicated with the gas mixing structure.

In a preferable technical scheme, the gas mixing structure comprises a mixing cavity, the upper end of the mixing cavity is provided with a gas mixing outlet, the mixed gas outlet is communicated with the gas mixing chamber, the lower part of the mixing cavity is communicated with the ventilation pipe, the lower part in the mixing cavity is provided with a premixing chamber, the ventilating pipe is communicated with the premixing chamber, the air inlet pipe is positioned on the side wall of the mixing cavity and is communicated with the premixing chamber, a secondary mixing chamber is also arranged in the mixing cavity, a secondary mixing structure is arranged in the secondary mixing chamber, the lower end of the secondary mixing chamber is communicated with the premixing chamber, the upper end of the secondary mixing chamber is communicated with the mixed gas outlet, the secondary mixing structure comprises a spiral gas flow guiding structure to lead the gas to flow spirally from bottom to top for mixing, the secondary mixing chamber is communicated with the premixing chamber through the lower end of the spiral airflow guide structure, and is communicated with the mixed gas outlet through the upper end of the spiral airflow guide structure.

According to the preferable technical scheme, the spiral airflow guiding structure comprises a first high wind ring and a second high wind ring, the second high wind ring is positioned above the first high wind ring, the first high wind ring comprises a first wind ring wall which is arranged in a circular tube shape, a plurality of first wind outlet channels are uniformly formed in the first wind ring wall around the first wind ring wall, the first wind outlet channels are obliquely arranged, the oblique direction faces the circumferential direction of the first wind ring wall, the premixing chamber is positioned below the first high wind ring and communicated with the inner side of the first high wind ring, and a gap is formed between the first high wind ring and the inner wall of the secondary mixing chamber; the second high-wind ring comprises a second wind ring wall which is in a circular tube shape, a plurality of second wind outlet channels are uniformly arranged on the second wind ring wall around the second wind ring wall, the second wind outlet channels are obliquely arranged, the oblique direction faces the circumferential direction of the second wind ring wall, the oblique direction of the second wind outlet channels is opposite to that of the first wind outlet channels, the second wind ring wall and the first wind ring wall are consistent in diameter and coaxially arranged, a gap is formed between the second high-wind ring and the inner wall of the secondary mixing chamber, the first high-wind ring and the second high-wind ring are separated through a wind ring spacer, the diameter of the wind ring spacer is not larger than the outer diameter of the first wind ring wall, and the upper end of the first high-wind ring is communicated with a mixed gas outlet.

According to the preferable technical scheme, the first air outlet channel comprises a first air outlet, the first air outlet is located on the wall of the first air ring, the first air outlet is square, a first baffle is arranged at the position of the first air outlet in a matching mode, one side edge of the first baffle is fixedly connected with one side edge of the first air outlet, and the other side edge of the first baffle is inclined outwards and opened; the second air outlet channel comprises a second air outlet, the second air outlet is located on the wall of the second air ring, the shape of the second air outlet is square, a second baffle is arranged at the position of the second air outlet in a matched mode, one side edge of the second baffle is fixedly connected with one side edge of the second air outlet, and the other side edge of the second baffle is inclined towards the outer side and is opened.

According to the preferable technical scheme, an air inlet cavity is arranged between the premixing chamber and the inner wall of the mixing cavity, the air inlet cavity is arranged around the premixing chamber, the air inlet cavity is isolated from the secondary mixing cavity, a plurality of first air inlet holes are uniformly distributed on the side wall of the premixing chamber around the premixing chamber, the first air inlet holes are communicated with the air inlet cavity, and the air inlet cavity is communicated with the air inlet pipe.

According to the technical scheme, the ignition extinguishing and protecting device is located in the middle of the furnace end and comprises a mounting seat, the mounting seat is mounted at the bottom of the inner side of the furnace end, an ignition needle and an extinguishing and protecting induction probe are mounted on the mounting seat, the ignition needle and the extinguishing and protecting induction probe respectively extend out of the mounting seat, a long open fire hole is formed in the mounting seat and located below the extinguishing and protecting induction probe and the ignition needle, the long open fire hole is communicated with a long open fire air inlet pipe, the lower end of the long open fire air inlet pipe is communicated with a ventilation pipe, the long open fire air inlet pipe is further communicated with a gas inlet pipe, a fire cap is covered above the mounting seat, and the fire cap is located above the mounting seat and covers the long open fire hole.

In a preferable technical scheme, the mounting seat comprises a bottom ring, the bottom ring is mounted at the bottom in the furnace end, the bottom ring is provided with a top ring, the bottom ring and the top ring are both arranged in an annular shape, the top ring comprises a top plate, the top plate is positioned above the bottom ring, the outer edge of the top plate is matched with the outer side wall of the bottom ring, a gap is formed between the top plate and the bottom ring, the gap is a long open fire hole, the inner edge of the top plate extends downwards to form a side plate, the side plate is positioned on the inner side of the bottom ring, a mixed gas cavity is formed between the side plates and the inner side wall of the bottom ring, the lower ends of the side plates extend towards the inner side wall of the bottom ring to form a bottom plate, the bottom plate is connected with the inner side wall of the bottom ring, a plurality of second air inlets are formed in the side plate, the second air inlets are communicated with the ever-burning flame air inlet pipe and the mixed air cavity, and the outer edge of the fire cap extends out of the outer side of the bottom ring towards the periphery.

The utility model discloses a technical scheme, the inside of curb plate is equipped with the connector, it leans on the edge to be equipped with on the inside wall of curb plate to hold, the connector holds to lean on in holding to lean on along last, the ignition needle is installed on the connector with putting out and protect the inductive probe, the ignition needle all is located the top of roof with putting out and protect the inductive probe.

According to the preferable technical scheme, a first limiting edge is arranged at the upper end of the base, two limiting openings are formed in the first limiting edge, ceramic sleeves are sleeved on the ignition needle and the quenching induction probe, the ceramic sleeves are matched with the limiting openings, the ignition needle and the quenching induction probe are arranged in the two limiting openings through the corresponding ceramic sleeves respectively, the first limiting edges are distributed annularly, a second limiting edge is distributed annularly at the lower end of the fire cap and matched with the first limiting edge, two mounting openings are formed in the lower end of the second limiting edge, and the two mounting openings are matched with the ignition needle and the ceramic sleeves on the quenching induction probe respectively.

According to the preferable technical scheme, the height of the upper end of the fire cap is not higher than the lowest height of the combustion holes in the inner wall of the burner. Compared with the prior art, beneficial effect does:

the burner is simple in structure and convenient to use, the second combustion holes incline towards the first combustion holes, so that fire of the first combustion holes and fire of the second combustion holes are flushed, and the first combustion holes and the second combustion holes are uniformly distributed on the inner wall of the burner, so that flame in the burner is more uniform.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of a combustion orifice set in accordance with the present invention;

FIG. 4 is a schematic view of the gas mixing structure of the present invention;

FIG. 5 is a schematic sectional view of the gas mixing structure according to the present invention;

FIG. 6 is a schematic view of a first high wind ring and a second high wind ring according to the present invention;

FIG. 7 is a schematic sectional view of the burner of the present invention (the section is perpendicular to the section of FIG. 2);

FIG. 8 is an enlarged view of portion A of FIG. 7;

FIG. 9 is a schematic view of a first and a second limiting edge of the present invention.

Reference numerals: 1. a furnace end; 101. a gas mixing chamber; 102. a group of combustion holes; 1021. a first combustion hole; 1022. a second combustion orifice; 2. a mixing chamber; 201. a mixed gas outlet; 3. an ignition turn-off protection device; 4. a vent pipe; 5. a premixing chamber; 6. an air inlet pipe; 7. a secondary mixing chamber; 8. a first high wind ring; 801. a first wind ring wall; 802. a first air outlet; 803. a first baffle plate; 9. a second high wind ring; 901. a second wind ring wall; 902. a second air outlet; 903. a second baffle; 10. a wind ring spacer; 11. an air inlet cavity; 12. a first air intake hole; 13. a bottom ring; 14. a top ring; 1401. a top plate; 1402. a side plate; 1403. a base plate; 15. a mixed gas cavity; 16. an air inlet; 17. a bearing edge; 18. a connector; 19. an ignition needle; 20. extinguishing and protecting the induction probe; 21. a fire cap; 22. a long open fire hole; 23. a ceramic sheath; 24. an electronic guide rod; 2401. a wire guide hole; 25. a protective tube; 26. an ever-burning flame inlet pipe; 27. a first limit edge; 2701. limiting the gap; 28. a second limit edge; 2801. installing a notch; 29. and a gas inlet pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

A commercial gas stove core comprises a furnace end 1, a gas mixing structure and a ventilation pipe 4 which are sequentially arranged from top to bottom, wherein a gas mixing chamber 101 is arranged between the inner wall of the furnace end 1 and the outer wall, an ignition extinguishing and protecting device 3 is arranged in the furnace end 1, a plurality of groups of combustion hole groups 102 communicated with the gas mixing chamber 101 are arranged on the inner wall of the furnace end 1, each combustion hole group 102 comprises a first combustion hole 1021 and a second combustion hole 1022, the first combustion hole 1021 is obliquely arranged upwards along the direction vertical to the section of the inner wall of the furnace end 1, the first combustion hole 1021 is obliquely extended upwards from the direction from the gas mixing chamber 101 to the inner wall of the furnace end 1, the plane where the first combustion hole 1021 is arranged is vertical to the circumferential section of the inner wall of the furnace end 1, the second combustion hole is obliquely arranged upwards towards the direction of the first combustion hole 1021, the second combustion hole 1022 is obliquely extended upwards from the direction from the gas mixing chamber 101 to the inner wall of the furnace end 1 and is obliquely extended towards the direction, the gas that is arranged in by first combustion hole 1021 and second combustion hole 1022 forms the offset, makes the firepower in furnace end 1 more even, a plurality of groups the combustion hole evenly distributed on 1 inner wall of furnace end, gas mixing structure is connected to the lower extreme of furnace end 1, gas mixing structure and gas mixing chamber 101 intercommunication, be equipped with the intake pipe 6 with gas mixing structure intercommunication on gas mixing structure's the outer wall, ventilation pipe 4 is connected to gas mixing structure's lower extreme, ventilation pipe 4 and gas mixing structure intercommunication.

Air enters the gas mixing structure through the ventilation pipe 4 and is uniformly mixed with gas entering the gas mixing structure through the air inlet pipe 6 in the gas mixing structure, and then enters the gas mixing chamber 101 and is discharged through the combustion holes to be combusted.

The gas mixing structure comprises a mixing cavity 2, the upper end of the mixing cavity 2 is provided with a gas mixture outlet 201, the gas mixture outlet 201 is used for being communicated with a gas mixing chamber 101 of a gas stove, a ventilation pipe 4 pipe is arranged below the mixing cavity 2, a pre-mixing chamber 5 is arranged at the lower part in the mixing cavity 2, the pre-mixing chamber 5 is arranged in the mixing cavity 2 and is arranged at the lower part of the mixing cavity 2, the ventilation pipe 4 is communicated with the pre-mixing chamber 5, the pre-mixing chamber 5 is in a round pipe shape, the ventilation pipe 4 is in a matching connection with the pre-mixing chamber 5, an air inlet pipe 6 is arranged on the side wall of the mixing cavity 2, the pre-mixing chamber 5 is communicated with an air inlet pipe 6, air enters the pre-mixing chamber 5 through the ventilation pipe 4, gas enters the pre-mixing chamber 5 through the air inlet pipe 6, the air and, be equipped with secondary mixed structure in the secondary mixing chamber 7, the lower extreme and the premixing chamber 5 intercommunication of secondary mixing chamber 7 to upper end and mist outlet 201 intercommunication, air after the preliminary mixing gets into secondary mixing chamber 7 with the gas and passes through secondary mixed structure misce bene once more, then discharges in the gas mixing chamber 101 of gas-cooker through mist outlet 201.

The secondary mixing structure includes spiral air current guide structure, and the mist of air and gas passes through spiral air current guide structure and forms and mix by the lower supreme air current that is the rotatory circulation of heliciform, secondary mixing chamber 7 passes through spiral air current guide structure's lower extreme and mixes 5 intercommunications in advance to upper end and mist outlet 201 intercommunication through spiral air current guide structure, the air after the preliminary mixing lets in spiral air current guide structure with the gas and is the heliciform and encircles the rising and mix, then discharges through mist outlet 201.

The spiral airflow guiding structure comprises a first high wind ring 8 and a second high wind ring 9, and the second high wind ring 9 is positioned above the first high wind ring 8.

First high wind circle 8 is including the first wind circle wall 801 that is the setting of pipe shape, evenly seted up a plurality of first air-out passageways around first wind circle wall 801 on the first wind circle wall 801, first air-out passageway slope sets up, and the direction of inclination is towards the circumferential direction of first wind circle wall 801, premix chamber 5 is located the below of first high wind circle 8 and communicates with the inboard of first high wind circle 8, the diameter of premix chamber 5 is unanimous with the diameter of first high wind circle 8, the lower extreme lug connection of first high wind circle 8 is in the upper end of premix chamber 5, air and the gas after preliminary mixing in the premix chamber 5 directly get into in the first high wind circle 8, have the space between the inner wall of first high wind circle 8 and secondary mixing chamber 7.

The second high wind ring 9 comprises a second wind ring wall 901 which is arranged in a round tube shape, a plurality of second wind outlet channels are uniformly arranged on the second wind ring wall 901 around the second wind ring wall 901, the second air outlet channel is arranged obliquely, the oblique direction faces the circumferential direction of the second wind ring wall 901, the second air outlet channel and the first air outlet channel are opposite in inclination direction, the second air coil wall 901 and the first air coil wall 801 are consistent in diameter and are coaxially arranged, a gap is arranged between the second high wind ring 9 and the inner wall of the secondary mixing chamber 7, the first high wind ring 8 and the second high wind ring 9 are separated by a wind ring spacer 10, the diameter of the air ring spacer 10 is not more than the outer diameter of the first air ring wall 801, the upper end of the second high air ring 9 is communicated with the mixed gas outlet 201, the diameter of the mixed gas outlet 201 is the same as that of the second high wind ring 9, and the upper end of the second high wind ring 9 is directly connected with the mixed gas outlet 201.

The air that gets into in the first high wind circle 8 and the mist of gas are discharged to the space between first high wind circle 8 and the 7 lateral walls of secondary mixing chamber from first air-out passageway slope, then in getting into second high wind circle 9 from second air-out passageway, the mist of air and gas forms the negative pressure in the combustion chamber after the combustion in the combustion chamber to can form the air current that spiral shell screwing in between first high wind circle 8 and second high wind circle 9 and mix.

The first air outlet channel comprises a first air outlet 802, the first air outlet 802 is located on a first wind ring wall 801, the first air outlet 802 is square, a first baffle 803 is arranged at the first air outlet 802 in a matching manner, one side edge of the first baffle 803 is fixedly connected with one side edge of the first air outlet 802, and the other side edge of the first baffle 803 is opened in an inclined manner towards the outside; the second air outlet channel comprises a second air outlet 902, the second air outlet 902 is located on a second wind ring wall 901, the second air outlet 902 is square, a second baffle 903 is arranged at the second air outlet 902 in a matched mode, one side edge of the second baffle 903 is fixedly connected with one side edge of the second air outlet 902, and the other side edge of the second baffle 903 is inclined towards the outside and opened.

The gas inlet cavity 11 is arranged between the inner walls of the premixing chamber 5 and the mixing cavity 2, the gas inlet cavity 11 is arranged around the premixing chamber 5, the gas inlet cavity 11 is isolated from the secondary mixing cavity 2, a plurality of first gas inlet holes 1612 are uniformly distributed on the side wall of the premixing chamber 5 around the premixing chamber 5, the first gas inlet holes 1612 are communicated with the gas inlet cavity 11, the gas inlet cavity 11 is communicated with the gas inlet pipe 6, the size of the first gas inlet holes 1612 is far smaller than that of the gas inlet pipe 6, and the input gas is dispersed through the gas inlet cavity 11 and the first gas inlet holes 1612, so that the gas introduced into the premixing chamber 5 is uniformly distributed as much as possible.

The ignition extinguishing and protecting device 3 is positioned in the middle of the burner 1, after the long-time open fire is started in the burner 1, because the ignition extinguishing and protecting device 3 is far away from the edge of the burner 1, liquid such as soup or water and the like on a cooking bench is difficult to splash onto the ignition extinguishing and protecting device 3 to extinguish flame, and the ignition needle 19 is also difficult to be dirty due to the fact that the liquid such as the soup and the like is stuck on the ignition needle; the ignition extinguishing and protecting device 3 comprises a mounting seat, the mounting seat is mounted at the bottom of the inner side of the furnace end 1, an ignition needle 19 and an extinguishing and protecting induction probe 20 are mounted on the mounting seat, the ignition needle 19 and the extinguishing and protecting induction probe 20 respectively extend out of the mounting seat, a long open fire hole 22 is formed in the mounting seat, the long open fire hole 22 is located below the extinguishing and protecting induction probe 20 and the ignition needle 19, long open fire can be burnt to the extinguishing and protecting induction probe 20, the long open fire hole 22 is communicated with a long open fire air inlet pipe 266, the long open fire air inlet pipe 266 is connected with a gas inlet pipe 296 and a vent pipe 4, gas enters the long open fire air inlet pipe 266 from the gas inlet pipe 296, air enters the long open fire air inlet pipe 266 from the vent pipe 4, and the gas and the air are mixed in the long open fire air inlet pipe 266; a fire cap 21 is covered above the mounting seat, and the fire cap 21 is positioned above and covers the ever-burning fire hole and the ignition needle 19 to block liquid such as soup, water and the like which is spilled from the upper part.

In this embodiment, the open flame intake pipe 266 passes through the bottom of the burner 1 and the mixing chamber 2 in the vertical direction, and passes through the centers of the first high-wind ring 8, the second high-wind ring 9 and the premixing chamber 5, the lower end of the open flame intake pipe 266 is located in the ventilation pipe 4 and is communicated with the ventilation pipe 4, the gas intake pipe 296 is located on the outer wall of the ventilation pipe 4, and one end of the gas intake pipe 296 passes through the wall of the ventilation pipe 4 and is connected to the outer wall of the open flame intake pipe 266 and is communicated with the open flame intake pipe 266.

The mounting seat comprises a bottom ring 13, the bottom ring 13 is mounted at the bottom in the furnace end 1, a top ring 14 is arranged on the bottom ring 13, the bottom ring 13 and the top ring 14 are both arranged in a ring shape, the top ring 14 comprises a top plate 1401, the top plate 1401 is arranged in a ring shape, the top plate 1401 is positioned above the bottom ring 13, the outer edge of the top plate 1401 is matched with the outer side wall of the bottom ring 13, a gap is arranged between the top plate 1401 and the bottom ring 13, the gap is a long open fire hole 22, the inner edge of the top plate 1401 extends downwards to form a side plate 1402, the side plate 1402 is arranged in a ring shape in a surrounding mode, the side plate 1402 is positioned at the inner side of the bottom ring 13, a mixed air cavity 15 is formed between the side plate 1402 and the inner side wall of the bottom ring 13, the lower end of the side plate 1402 extends towards the inner side wall of the bottom ring 13 to form a bottom plate 1403, the bottom plate, the side plate 1402 is provided with a plurality of second air inlet holes 16, the second air inlet holes 16 are communicated with the ever-burning flame air inlet pipe 266 and the mixed air cavity 15, the mixed air of fuel gas and air enters from the ever-burning flame air inlet pipe 266 and enters the mixed air cavity 15 through the second air inlet holes 16, the second air inlet holes 16 are uniformly distributed around the side plate 1402, the air quantity entering the mixed air cavity 15 is uniformly distributed, the ever-burning flame holes 22 are arranged around the mixed air cavity 15 in a gap shape, and therefore the air quantity discharged from the ever-burning flame holes 22 is uniformly distributed, and the ever-burning flame is uniformly combusted.

The outer edge of the fire cap 21 extends to the periphery and extends out of the outer side of the bottom ring 13, and the ignition needle 19, the extinguishing induction probe 20 and the long open fire hole 22 are shielded above.

The long open fire air inlet pipe 266 is located below the bottom ring 13, the long open fire air inlet pipe 266 vertically penetrates through the bottom of the burner 1, the upper end of the long open fire air inlet pipe 266 is communicated with the inside of the bottom ring 13, the upper end of the long open fire air inlet pipe 266 is located in the middle of the bottom ring 13, mixed gas of fuel gas and air enters the inner cavity of the bottom ring 13 from the middle of the bottom ring 13 and then enters the mixed gas cavity 15 from the surrounding air inlet holes 16, and therefore gas amount is distributed uniformly.

The inside of curb plate 1402 is equipped with connector 18, be equipped with on the inside wall of curb plate 1402 and hold and lean on along 17, connector 18 holds and leans on holding along 17, ignition needle 19 is installed on connector 18 with putting out and protecting inductive probe 20, ignition needle 19 all is located the top of roof 1401 with putting out and protecting inductive probe 20.

The lower extreme of connector 18 is connected with protective tube 25, protective tube 25 is vertical to be located the middle part of foundation ring 13 and long naked light intake pipe 266, ignition needle 19 and the wire of putting out and protecting inductive probe 20 set up in protective tube 25.

An electronic guide rod 24 is arranged in the protective tube 25, the protective tube 25 is sleeved on the electronic guide rod 24, two wire holes 2401 are respectively arranged in the electronic guide rod 24, and the ignition needle 19 and the wires of the quenching and protecting induction probe 20 are respectively positioned in the two wire holes 2401, so that the two wires are prevented from interfering with each other.

The upper end of the base is provided with a first limiting edge 27, the first limiting edge 27 is provided with two limiting openings 2701, the ignition needle 19 and the quenching induction probe 20 are respectively sleeved with a ceramic sleeve 23, the ceramic sleeves 23 are matched with the limiting openings 2701, the ignition needle 19 and the quenching induction probe 20 are respectively arranged in the two limiting openings 2701 through the corresponding ceramic sleeves 23, the ignition needle 19 and the quenching induction probe 20 are prevented from moving, and the positions of the ignition needle 19 and the quenching induction probe 20 are fixed.

The first limit edge 27 is annularly distributed, the lower end of the fire cap 21 is annularly distributed and provided with a second limit edge 28, the second limit edge 28 is matched with the first limit edge 27, the lower end of the second limit edge 28 is provided with two installation openings 2801, the two installation openings 2801 are respectively matched with the ignition needle 19 and the ceramic sleeve 23 on the quenching induction probe 20, the fire cap 21 covers the upper surface of the top plate 1401, the lower surface of the second limit edge 28 is in contact with the upper surface of the top plate 1401, the second limit edge 28 is positioned on the outer side of the first limit edge 27 and surrounds the first limit edge 27 or the outer side of the first limit edge 27 which is positioned on the second limit edge 28 and surrounds the second limit edge 28, and the fire cap 21 is prevented from moving around.

The height of the upper end of the fire cap 21 is not higher than the lowest height of the gas holes in the inner wall of the burner 1, so that the fire cap 21 is prevented from being damaged due to the fact that the fire cap 21 bears the burning of fire for a long time, and the service life of the fire cap 21 is prolonged.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, refer to orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships that the products of the present invention are conventionally placed in use, or the orientations or positional relationships that are conventionally understood by those skilled in the art, and are used for convenience in describing and simplifying the description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Claims (10)

1. A commercial gas stove core is characterized by comprising a furnace end, a gas mixing structure and a ventilation pipe which are sequentially arranged from top to bottom, wherein a gas mixing chamber is arranged between the inner wall and the outer wall of the furnace end, an ignition and extinguishing device is arranged in the furnace end, a plurality of groups of combustion holes communicated with the gas mixing chamber are arranged on the inner wall of the furnace end, one group of the combustion holes comprises a first combustion hole and a second combustion hole, the first combustion hole is obliquely arranged upwards along the direction vertical to the tangent plane of the inner wall of the furnace end, the second combustion hole extends towards the direction of the first combustion hole and is obliquely arranged upwards at the same time, the combustion holes are uniformly distributed on the inner wall of the furnace end, the lower end of the furnace end is connected with the gas mixing structure, the gas mixing structure is communicated with the gas mixing chamber, an air inlet pipe communicated with the gas mixing structure is arranged on the outer wall of the gas mixing structure, the ventilation pipe is communicated with the gas mixing structure.

2. The commercial gas range core of claim 1, wherein said gas mixing structure comprises a mixing chamber, the upper end of the mixing cavity is provided with a mixed gas outlet which is communicated with the gas mixing chamber, the lower part of the mixing cavity is communicated with the vent pipe, a premixing chamber is arranged at the lower part in the mixing cavity, the ventilating pipe is communicated with the premixing chamber, the air inlet pipe is positioned on the side wall of the mixing cavity and is communicated with the premixing chamber, a secondary mixing chamber is also arranged in the mixing cavity, a secondary mixing structure is arranged in the secondary mixing chamber, the lower end of the secondary mixing chamber is communicated with the premixing chamber, the upper end of the secondary mixing chamber is communicated with the mixed gas outlet, the secondary mixing structure comprises a spiral gas flow guiding structure to lead the gas to flow spirally from bottom to top for mixing, the secondary mixing chamber is communicated with the premixing chamber through the lower end of the spiral airflow guide structure, and is communicated with the mixed gas outlet through the upper end of the spiral airflow guide structure.

3. The commercial gas stove core as claimed in claim 2, wherein the spiral air flow guiding structure comprises a first high wind ring and a second high wind ring, the second high wind ring is located above the first high wind ring, the first high wind ring comprises a first wind ring wall which is arranged in a circular tube shape, a plurality of first wind outlet channels are uniformly arranged on the first wind ring wall around the first wind ring wall, the first wind outlet channels are obliquely arranged, the oblique direction faces the circumferential direction of the first wind ring wall, the premixing chamber is located below the first high wind ring and is communicated with the inner side of the first high wind ring, and a gap is formed between the first high wind ring and the inner wall of the secondary mixing chamber; the second high-wind ring comprises a second wind ring wall which is in a circular tube shape, a plurality of second wind outlet channels are uniformly arranged on the second wind ring wall around the second wind ring wall, the second wind outlet channels are obliquely arranged, the oblique direction faces the circumferential direction of the second wind ring wall, the oblique direction of the second wind outlet channels is opposite to that of the first wind outlet channels, the second wind ring wall and the first wind ring wall are consistent in diameter and coaxially arranged, a gap is formed between the second high-wind ring and the inner wall of the secondary mixing chamber, the first high-wind ring and the second high-wind ring are separated through a wind ring spacer, the diameter of the wind ring spacer is not larger than the outer diameter of the first wind ring wall, and the upper end of the first high-wind ring is communicated with a mixed gas outlet.

4. The commercial gas stove core according to claim 3, wherein the first air outlet channel comprises a first air outlet, the first air outlet is located on a wall of the first air ring, the first air outlet is square, a first baffle is arranged at the first air outlet in a matching manner, one side edge of the first baffle is fixedly connected with one side edge of the first air outlet, and the other side edge of the first baffle is inclined outwards and opened; the second air outlet channel comprises a second air outlet, the second air outlet is located on the wall of the second air ring, the shape of the second air outlet is square, a second baffle is arranged at the position of the second air outlet in a matched mode, one side edge of the second baffle is fixedly connected with one side edge of the second air outlet, and the other side edge of the second baffle is inclined towards the outer side and is opened.

5. The commercial gas stove burner as in claim 2, wherein an air inlet cavity is provided between the premixing chamber and the inner wall of the mixing cavity, the air inlet cavity is arranged around the premixing chamber, the air inlet cavity is isolated from the secondary mixing cavity, a plurality of first air inlet holes are uniformly distributed on the side wall of the premixing chamber around the premixing chamber, the first air inlet holes are communicated with the air inlet cavity, and the air inlet cavity is communicated with the air inlet pipe.

6. The commercial gas stove core according to claim 1, wherein the ignition extinguishing and protecting device is located in the middle of the stove head, the ignition extinguishing and protecting device comprises a mounting seat, the mounting seat is mounted at the bottom of the inner side of the stove head, an ignition needle and an extinguishing and protecting induction probe are mounted on the mounting seat, the ignition needle and the extinguishing and protecting induction probe respectively extend out of the mounting seat, a long open fire hole is formed in the mounting seat and located below the extinguishing and protecting induction probe and the ignition needle, the long open fire hole is communicated with a long open fire inlet pipe, the lower end of the long open fire inlet pipe is communicated with a ventilation pipe, the long open fire inlet pipe is further communicated with a gas inlet pipe, a fire cap is covered above the mounting seat, and the fire cap is located above the long open fire hole and covers the long open fire hole.

7. The commercial gas stove core according to claim 6, wherein the mounting seat comprises a bottom ring, the bottom ring is mounted at the bottom of the stove head, a top ring is arranged on the bottom ring, the bottom ring and the top ring are both arranged in a ring shape, the top ring comprises a top plate, the top plate is positioned above the bottom ring, the outer edge of the top plate is matched with the outer side wall of the bottom ring, a gap is formed between the top plate and the bottom ring, the gap is a long open fire hole, the inner edge of the top plate extends downwards to form a side plate, the side plate is positioned at the inner side of the bottom ring, a mixed gas cavity is formed between the side plate and the inner side wall of the bottom ring, the lower end of the side plate extends towards the inner side wall of the bottom ring to form a bottom plate, the bottom plate is connected with the inner side wall of the bottom ring, a plurality of second gas inlet holes are formed in the side plate, and, the outer edge of the fire cap extends out of the outer side of the bottom ring towards the periphery.

8. The commercial gas stove core according to claim 7, wherein a connector is arranged inside the side plate, a bearing edge is arranged on the inner side wall of the side plate, the connector bears against the bearing edge, the ignition needle and the extinguishing and protection induction probe are mounted on the connector, and the ignition needle and the extinguishing and protection induction probe are both located above the top plate.

9. The commercial gas stove burner as in claim 6, wherein the base has a first limiting edge at an upper end thereof, the first limiting edge has two limiting openings, the ignition needle and the quenching induction probe are both sleeved with ceramic sleeves, the ceramic sleeves are matched with the limiting openings, the ignition needle and the quenching induction probe are respectively disposed in the two limiting openings through the corresponding ceramic sleeves, the first limiting edges are annularly disposed, the lower end of the fire cap is annularly disposed with a second limiting edge, the second limiting edge is matched with the first limiting edge, the lower end of the second limiting edge has two mounting openings, and the two mounting openings are respectively matched with the ignition needle and the ceramic sleeves of the quenching induction probe.

10. The commercial gas range core of claim 6, wherein the upper end of said fire cap has a height not higher than the lowest height of the combustion holes formed in the inner wall of the burner.

Images