Burner of commercial gas stove

Abstract

The utility model discloses a furnace end of a commercial gas stove, which comprises a first gas mixing cavity arranged in the furnace end and used for supplying kindling to burn. The second gas mixing cavity is arranged in the furnace end and is used for supplying combustion of a main fire source; the fan pipe is arranged at the lower end of the furnace end; an embedded pipe is detachably connected into the fan pipe; the upper end of the embedded pipe is communicated with the second gas mixing cavity; a tinder air inlet pipe is arranged at the lower end of the first gas mixing cavity; and the lower end of the tinder air inlet pipe extends into the middle part of the embedded pipe. The kindling air inlet pipe can effectively prevent kindling from being blown out; meanwhile, the detachable embedded pipe is replaced or cleaned, so that continuous generation of corrosion and scale deposition is prevented; an opening and an outer reserved hole are formed in the embedded pipe, so that the embedded pipe is convenient to mount and dismount; the fan-shaped housing is arranged on the periphery of the kindling cap, so that an ignition head of the ignition needle is prevented from being polluted; and a blow-off pipe is arranged at the bottom of the combustion cavity, so that sewage and the like are directly discharged outwards.

Description

Technical Field

[0001] The utility model belongs to the technical field of commercial gas stoves, and particularly relates to a burner head of a commercial gas stove. Background Art

[0002] In order to reduce the consumption of gas, commercial gas stoves are often provided with automatic on-off control of the main gas pipe. That is, after the pot is removed, or when washing the pot or serving dishes, the main gas pipe is closed, and only a pilot flame is left for small-fire combustion, which can greatly reduce the consumption of gas. When the pot is placed back on the stove and the main gas pipe is opened, the pilot flame can quickly ignite the surrounding main fire sources, reducing the process of re-igniting and saving a lot of time.

[0003] Chinese patent document with publication number CN212691854U discloses a honeycomb energy-saving stove burner head, which includes a mounting base. The bottom of the mounting base is threadedly connected with an air inlet pipe. One side of the air inlet pipe is fixedly provided with a gas inlet pipe. A flow-limiting mechanism is provided near the bottom end of the air inlet pipe. A pilot flame interface is provided on one side of the mounting base. An installation head is fixedly provided on the other side of the mounting base. A burner cap is provided on the top of the mounting base. The burner cap includes a large groove box and a small groove box. The small groove box is arranged at the bottom of the large groove box. By setting a flame outlet ring and a burner cap, and arranging a plurality of evenly distributed small holes on the side wall of the flame outlet ring and a plurality of annularly arrayed air holes on the burner cap, air and gas can be evenly transported to the periphery of the burner cap through the air holes and small holes. Compared with the prior art, the processing cost of parts is lower, it is more convenient to maintain, and at the same time, the gas distribution is more uniform and three-dimensional, making the combustion flame more plump and reducing gas loss.

[0004] To ensure sufficient safety, the blower will be turned on in advance before the main gas pipe is opened to supply a large amount of air to the burner head. In the above patent solution, the burner cap of the pilot flame is directly arranged on the secondary gas outlet pipe, and the main fire combustion holes are directly opposite to the pilot flame combustion holes. When the firepower of the pilot flame is small, the large amount of air instantaneously entering the burner head and directly blowing on the pilot flame may directly blow out the pilot flame; when the firepower of the pilot flame is large, the gas consumption is large, and the sufficient energy-saving effect cannot be achieved. In addition, the air holes of the burner cap are often blocked, and the flame outlet is not uniform; the continuous combustion of the burner head makes the oxygen content in the high-temperature burner head lower, and the combustion of the pilot flame may not be sufficient. Therefore, the controllability of the firepower of the pilot flame is poor and it is inconvenient to adjust. Summary of the Utility Model

[0005] In order to overcome the technical problems in the prior art that the air flow entering the burner head through the blower pipe may blow out the ignition source, and there may also be rust or scale in the blower pipe, and the falling-off substances may cause the air holes to be blocked; an object of the present invention is to provide a burner head of a commercial gas stove. By embedding a detachable inner pipe in the blower pipe, and arranging an ignition air inlet pipe for supplying air to the ignition source in the middle of the inner pipe, the air supplied by the blower is first supplied to the ignition source, increasing the firepower of the ignition source and also increasing the pressure of the air flow ejected outward from the ignition source, so as to avoid being blown out by the air flow of the main fire source.

[0006] To achieve the above object, the present invention is implemented by adopting the following technical solutions: A burner head of a commercial gas stove includes a first mixing chamber, which is arranged in the burner head for supplying the ignition source to burn, and the auxiliary gas pipe is communicated with the first mixing chamber; a second mixing chamber, which is arranged in the burner head for supplying the main fire source to burn, and the main gas pipe is communicated with the second mixing chamber; main fire source combustion holes, which are arranged on the inner wall of the burner head and are communicated with the second mixing chamber; ignition source combustion holes, which are arranged in the middle of the burner head and are communicated with the first mixing chamber; a blower pipe, which is arranged at the lower end of the burner head; wherein, a detachable inner pipe is connected in the blower pipe; the upper end of the inner pipe is communicated with the second mixing chamber; a fire source air inlet pipe is arranged at the lower end of the first mixing chamber; the lower end of the fire source air inlet pipe extends into the middle of the inner pipe.

[0007] The blower pipe is communicated with the blower, and the air supplied by the blower to the burner head enters the blower pipe. Part of the air first enters the first mixing chamber through the fire source air inlet pipe, increasing the pressure of the external air flow of the first mixing chamber. On the one hand, it provides sufficient air for the combustion of the ignition source and also speeds up the flow rate of the auxiliary gas pipe, increasing the firepower; on the other hand, it increases the pressure of the external air flow of the first mixing chamber, preventing the ignition source from being blown out by the air flow flowing out of the second mixing chamber.

[0008] Further, an opening is longitudinally arranged on the outer wall of the inner pipe; a sealing plate is arranged at the upper end of the inner wall of the inner pipe; a fire source air hole is arranged through the central position of the sealing plate; a plurality of main air holes are arranged on the sealing plate around the fire source air hole; the main air holes are evenly distributed along the circumferential direction; the fire source air inlet pipe is inserted into the middle of the inner pipe through the fire source air hole.

[0009] The outer wall of the inner pipe abuts against the inner wall of the blower pipe, and the opening enables the outer diameter of the inner pipe to be reduced, facilitating the installation of the inner pipe into the blower pipe.

[0010] Specifically, a butterfly screw is threadedly connected to the outer wall of the blower pipe; the butterfly screw can be selectively tightened against the outer wall of the inner pipe.

[0011] Preferably, the lower end of the embedded pipe extends out from the lower end of the fan pipe; an external leaving hole is penetrated and arranged at the lower end of the outer wall of the embedded pipe; the external leaving hole is located below the fan pipe.

[0012] After the embedded pipe is rusted or scaled, it will be connected to the fan pipe. The external leaving hole can insert tools such as a screwdriver, which is convenient for strongly pulling out the embedded pipe to the outside for replacement or cleaning, preventing the scale or rust blocks from flowing upward and blocking the air holes under the action of the fan after falling off.

[0013] Specifically, a combustion cavity is arranged at the central position of the upper end of the burner head; the fire cap of the ignition source is arranged at the central position of the inner bottom end of the combustion cavity; the ignition source combustion holes are arranged on the periphery of the fire cap; an ignition pipe communicated with the outside is arranged at the inner bottom end of the combustion cavity; an ignition needle is arranged in the ignition pipe; a fan-shaped cover is arranged on the periphery of the fire cap; the fan-shaped cover abuts against the side wall of the combustion cavity; the ignition end of the ignition needle is located in the fan-shaped cover.

[0014] The ignition needle is sealed to prevent the ignition needle from being polluted by oil, water, food, etc. left on the upper part, resulting in a decrease in ignition ability and improving the service life.

[0015] Further, the main fire source combustion holes are arranged on the side wall of the combustion cavity; the main fire source combustion holes are longitudinal grooves arranged longitudinally; the longitudinal grooves are uniformly distributed along the circumferential direction. While ensuring the basic firepower, the longitudinal grooves further reduce the occurrence of blockage.

[0016] Preferably, a sewage discharge pipe communicated with the outside is arranged at the inner bottom end of the combustion cavity.

[0017] Preferably, an arc surface is arranged on the outer periphery of the upper end of the burner head; the upper end of the arc surface is located at the upper end of the side wall of the combustion cavity.

[0018] The upper end surface of the burner head is smooth, preventing the debris left on the stove top from accumulating on the burner head, that is, preventing the generation of scale.

[0019] Specifically, a connecting pipe is arranged at the lower end of the burner head; the fan pipe is arranged at the lower end of the connecting pipe; the outer diameters of the burner head, the connecting pipe, and the fan pipe gradually decrease; the main gas pipe is communicated with the second gas mixing cavity.

[0020] Preferably, a plurality of mounting plates are detachably connected to the outer wall of the burner head; a second bend facing the burner head is arranged on the side of the mounting plate; a first bend away from the burner head is arranged on the upper side of the mounting plate; an opening groove is penetrated and arranged on the first bend; a through hole is penetrated and arranged on the mounting plate; the through hole and the opening groove are arranged staggeredly in the longitudinal direction.

[0021] According to the installation positions of different gas stoves, the installation plate can be replaced and adapted, improving compatibility. At the same time, through the staggered arrangement of the through holes and the opening grooves, the second bend abuts against the outer wall of the burner head, increasing the structural strength and the installation strength.

[0022] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0023] 1. By adding a pilot air inlet pipe that preferentially supplies air flow to the pilot in the blower pipe, the pilot can be effectively prevented from being blown out;

[0024] 2. At the same time, a detachable inner pipe is arranged in the blower pipe. By means of replacement or cleaning, the continuous generation of rust and scale can be prevented, and then the blocking of air holes by the falling-off substances of rust and scale can be prevented; the service life of the main structure of the burner head is also extended;

[0025] 3. The inner pipe is provided with openings and outer remaining holes, which are convenient for the installation and disassembly of the inner pipe;

[0026] 4. A fan-shaped cover is arranged on the outer periphery of the pilot cap to prevent the ignition head of the ignition needle from being contaminated, ensuring the ignition effect and prolonging the service life of the ignition needle;

[0027] 5. A sewage discharge pipe is arranged at the bottom of the combustion chamber, and sewage and the like entering the combustion chamber are directly discharged outwards to prevent accumulation in the combustion chamber. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is a schematic structural diagram of the present utility model;

[0029] Figure 2 、 Figure 3 is a schematic cross-sectional structural diagram of the present utility model;

[0030] Figure 4 is a schematic structural diagram of the inner pipe of the present utility model;

[0031] Figure 5 is a schematic structural diagram of the installation plate of the present utility model.

[0032] In the figures: 1. Burner head; 11. Sewage discharge pipe; 12. Ignition pipe; 13. Secondary gas supply pipe; 14. Main gas supply pipe; 15. Blower pipe; 16. Pilot air inlet pipe; 17. Longitudinal groove; 18. Arc surface; 19. Connecting pipe; 2. Inner pipe; 21. Opening; 22. Outer remaining hole; 23. Pilot air hole; 24. Main air hole; 3. Butterfly screw; 4. Ignition needle; 5. Fire cap; 51. Fan-shaped cover; 6. Installation plate; 61. First bend; 62. Second bend; 63. Opening groove; 64. Through hole; 71. First mixing chamber; 72. Second mixing chamber; 73. Combustion chamber. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0033] Next, in combination with the accompanying drawings and specific embodiments, the present utility model will be further described. It should be noted that on the premise of no conflict, the following-described embodiments or technical features can be arbitrarily combined to form new embodiments.

[0034] In the description of the present utility model, it should be noted that for orientation terms, such as the terms "center", "horizontal", "vertical", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the indicated orientation and position relationships are based on the orientation or position relationships shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present utility model.

[0035] In addition, such terms as "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0036] In the present utility model, unless otherwise clearly specified and limited, such terms as "set", "installed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can also be a mechanical connection; it can be directly connected, or connected through an intermediate medium, and can be internally connected and communicated between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0037] See Figures 1 - 5 , a burner head of a commercial gas stove, including a connecting pipe 19 provided at the lower end of the burner head 1, a blower pipe 15 provided at the lower end of the connecting pipe 19, and an inner embedded pipe 2 detachably connected to the lower end of the blower pipe 15; the outer diameters of the burner head 1, the connecting pipe 19, and the blower pipe 15 gradually decrease.

[0038] A first mixing chamber 71 for supplying the ignition flame to burn is provided in the burner head 1; a secondary burner pipe 13 communicating with the first mixing chamber 71 is provided on the outer wall of the burner head 1; a second mixing chamber 72 for supplying the main fire source to burn is provided in the burner head 1; a main burner pipe 14 communicating with the second mixing chamber 72 is provided on the outer wall of the connecting pipe 19.

[0039] The inner wall of the burner head 1 is provided with main fire combustion holes communicating with the second gas mixing chamber 72; a kindling combustion hole communicating with the first gas mixing chamber 71 is arranged in the middle of the burner head 1.

[0040] An opening 21 is longitudinally arranged on the outer wall of the embedded pipe 2; a sealing plate is arranged at the upper end of the inner wall of the embedded pipe 2; a kindling air hole 23 is arranged through the central position of the sealing plate; a plurality of main air holes 24 are arranged on the sealing plate on the outer periphery of the kindling air hole 23; the main air holes 24 are evenly distributed along the circumferential direction.

[0041] A kindling air inlet pipe 16 is longitudinally arranged at the lower end of the first gas mixing chamber 71; the kindling air inlet pipe 16 communicates with the first gas mixing chamber 71; the kindling air inlet pipe 16 extends into the middle of the embedded pipe 2 through the kindling air hole 23; the main air holes 24 communicate with the second gas mixing chamber 72.

[0042] A butterfly screw 3 is threadedly connected to the outer wall of the blower pipe 15; the butterfly screw 3 can be selectively abutted against the outer wall of the embedded pipe 2; the lower end of the embedded pipe 2 extends out from the lower end of the blower pipe 15; an external leaving hole 22 is arranged through the lower end of the outer wall of the embedded pipe 2; the external leaving hole 22 is located below the blower pipe 15.

[0043] A combustion chamber 73 is arranged at the central position of the upper end of the burner head 1; the fire cap 5 of the kindling is arranged at the central position of the inner bottom end of the combustion chamber 73; the kindling combustion hole is arranged on the outer periphery of the fire cap 5; an ignition pipe 12 communicating with the outside is arranged at the inner bottom end of the combustion chamber 73; an ignition needle 4 is arranged in the ignition pipe 12; a sector-shaped cover 51 is arranged on the outer periphery of the fire cap 5; the sector-shaped cover 51 abuts against the side wall of the combustion chamber 73; the ignition end of the ignition needle 4 is located inside the sector-shaped cover 51.

[0044] The main fire combustion holes are arranged on the side wall of the combustion chamber 73; the main fire combustion holes are longitudinal grooves 17 arranged longitudinally; the longitudinal grooves 17 are evenly distributed along the circumferential direction. An arc surface 18 is arranged on the outer periphery of the upper end of the burner head 1; the upper end of the arc surface 18 is located at the upper end of the side wall of the combustion chamber 73.

[0045] A sewage discharge pipe 11 communicating with the outside is arranged at the inner bottom end of the combustion chamber 73.

[0046] Three mounting plates 6 are detachably connected to the outer wall of the burner head 1; a second bending 62 facing the burner head is arranged on the side of the mounting plate 6; a first bending 61 away from the burner head 1 is arranged on the upper side of the mounting plate 6; an opening groove 63 is arranged through the first bending 61; a through hole 64 is arranged through the mounting plate 6; the through hole 64 and the opening groove 63 are arranged staggeredly in the longitudinal direction.

[0047] The above are only specific embodiments of the present utility model, but the technical features of the present utility model are not limited thereto. Any changes or modifications made by those skilled in the art within the scope of the present utility model are covered by the patent scope of the present utility model.

Claims

1. The burner of a commercial gas stove, characterized in that: Including a first gas mixing chamber, which is arranged in the burner and is used to supply a fire for combustion, and the auxiliary gas pipe is connected to the first gas mixing chamber; a second gas mixing chamber, the second gas mixing chamber being arranged in the burner and used for supplying a main fire source for combustion, the main gas pipe being in communication with the second gas mixing chamber; a main fire source combustion hole, the main fire source combustion hole being arranged on the inner wall of the burner and being in communication with the second gas mixing chamber; a fire burning hole, the fire burning hole being arranged in the middle of the burner and being in communication with the first gas mixing chamber; a fan pipe, the fan pipe being arranged at the lower end of the burner; Among them, an embedded tube is detachably connected to the fan tube; the upper end of the embedded tube is connected to the second gas mixing chamber; a fire air inlet pipe is provided at the lower end of the first gas mixing chamber; the lower end of the fire air inlet pipe extends into the middle of the embedded tube.

2. The burner head according to claim 1, wherein: An opening is longitudinally provided on the outer wall of the embedded tube; a sealing plate is provided on the upper end of the inner wall of the embedded tube; a fire starter air hole is provided through the center of the sealing plate; a plurality of main air holes are provided on the sealing plate at the periphery of the fire starter air hole; the main air holes are evenly distributed along the circumferential direction; the fire starter air inlet pipe is inserted into the middle of the embedded tube through the fire starter air hole.

3. The burner head according to claim 1, characterized in that: The outer wall of the fan tube is threadedly connected with a butterfly screw; the butterfly screw can be selectively pressed against the outer wall of the embedded tube.

4. The burner head according to claim 1, characterized in that: The lower end of the embedded tube extends from the lower end of the fan tube; an external hole is provided through the lower end of the outer wall of the embedded tube; and the external hole is located below the fan tube.

5. The burner according to any one of claims 1-4, characterized in that: A combustion chamber is provided at the central position of the upper end of the burner; a fire cap of the kindling is provided at the central position of the lower end of the combustion chamber; the kindling combustion hole is provided at the periphery of the fire cap; an ignition tube connected to the outside is provided at the lower end of the combustion chamber; an ignition needle is provided in the ignition tube; a fan-shaped cover is provided at the periphery of the fire cap; the fan-shaped cover is abutted against the side wall of the combustion chamber; the ignition end of the ignition needle is located in the fan-shaped cover.

6. The burner head according to claim 5, characterized in that: The main fire source combustion hole is arranged on the side wall of the combustion chamber; the main fire source combustion hole is a longitudinal groove arranged longitudinally; the longitudinal grooves are evenly distributed along the circumferential direction.

7. The burner head according to claim 5, characterized in that: The bottom end of the combustion chamber is provided with a sewage discharge pipe communicated with the outside.

8. The burner head according to claim 5, characterized in that: The outer periphery of the upper end of the burner is provided with a curved surface; the upper end of the curved surface is located at the upper end of the side wall of the combustion chamber.

9. The burner head according to any one of claims 1-4, characterized in that: A connecting pipe is provided at the lower end of the burner; the fan pipe is provided at the lower end of the connecting pipe; the outer diameters of the burner, the connecting pipe and the fan pipe are gradually reduced; the main gas pipe is connected to the second gas mixing chamber.

10. The burner head according to any one of claims 1-4, characterized in that: The outer wall of the burner head is detachably connected to a plurality of mounting plates; a second bend facing the burner head is provided on the side of the mounting plate; a first bend away from the burner head is provided on the upper side of the mounting plate; an open groove is provided through the first bend; a through hole is provided through the mounting plate; the through hole and the open groove are staggered in the longitudinal direction.

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