阅读说明：本技术 一种燃烧器及灶具 (Combustor and cooking utensils ) 是由 孙红梅 朱鑫 韩亚峰 于 2020-04-03 设计创作，主要内容包括：本发明提供了一种燃烧器及灶具,包括炉头；连接在所述炉头上的分火器；以及扣接在所述分火器上的外环火盖,所述分火器和所述外环火盖通过紧固件相连接,所述分火器上设置有与所述紧固件相对应的第一紧固孔,所述外环火盖设置有与所述第一紧固孔相对应的第二紧固孔；所述外环火盖的外周面为光滑面,所述分火器设置有与所述外环火盖的外周面相配合的连接面,所述外环火盖通过所述外周面与所述连接面相连接,且所述外周面和所述连接面配合形成的配合间隙值为0.05－0.15mm。采用本发明技术方案的燃烧器及灶具,能够保证分火器和外环火盖之间的密封性能良好,避免因漏火造成分火器变形受损,从而延长燃烧器的使用寿命。(The invention provides a burner and a stove, comprising a burner; the distributor is connected to the furnace end; the distributor is connected with the outer ring fire cover through a fastening piece, a first fastening hole corresponding to the fastening piece is formed in the distributor, and a second fastening hole corresponding to the first fastening hole is formed in the outer ring fire cover; the outer peripheral face of outer ring fire lid is the smooth surface, the distributor be provided with outer ring fire lid's outer peripheral face matched with connect the face, outer ring fire lid pass through the outer peripheral face with connect the face and be connected, just the outer peripheral face with connect the fit clearance value that the cooperation formed of face is 0.05-0.15 mm. By adopting the combustor and the stove adopting the technical scheme, the sealing performance between the distributor and the outer ring fire cover can be ensured to be good, and the deformation and damage of the distributor caused by fire leakage are avoided, so that the service life of the combustor is prolonged.)

1. A burner, comprising:

a furnace end;

the distributor is connected to the furnace end; and

the outer ring fire cover is buckled on the distributor, the distributor is connected with the outer ring fire cover through a fastening piece, a first fastening hole corresponding to the fastening piece is formed in the distributor, and a second fastening hole corresponding to the first fastening hole is formed in the outer ring fire cover;

the outer peripheral face of outer ring fire lid is the smooth surface, the distributor be provided with outer ring fire lid's outer peripheral face matched with connect the face, outer ring fire lid pass through the outer peripheral face with connect the face and be connected, just the outer peripheral face with connect the fit clearance value that the cooperation formed of face is 0.05-0.15 mm.

2. The burner of claim 1, wherein the distributor is provided with a plurality of gas outflow passages communicating with the burner and a mixing groove communicating with the gas outflow passages, the distributor being provided with connecting seats in the mixing groove, the first fastening holes being located on the connecting seats, the connecting seats being arranged in a uniform surrounding arrangement with respect to a center of the distributor.

3. The burner as claimed in claim 2, wherein the number of the gas outflow passages is 3-4, a plurality of the gas outflow passages are distributed in a circumferential array about the center of the distributor, the number of the connection seats is equal to the number of the gas outflow passages, and any one of the connection seats is located between two adjacent gas outflow passages.

4. The burner of claim 1, wherein the outer ring fire cover is provided with a positioning pin, the distributor is provided with a positioning hole matched with the positioning pin, and the outer ring fire cover is positioned and connected in the positioning hole of the distributor through the positioning pin.

5. The burner according to claim 1, wherein the outer ring fire cover is circular, the diameter of the excircle on the top side of the outer ring fire cover is larger than that of the excircle on the bottom side of the outer ring fire cover, the excircle on the top side of the outer ring fire cover and the bottom side of the outer ring fire cover are in smooth transition, and the excircle side wall of the outer ring fire cover is annularly provided with a main fire hole.

6. The burner of claim 5, wherein the fire angle of the main fire holes is 25-45 °, the distance between the main fire holes and the top surface of the outer ring fire cover is d1, and the value of d1 ranges from 1-2 mm.

7. The burner of claim 5, wherein the top side of the outer ring fire cover is provided with a chamfer, wherein the distance of d1 is the distance between the bottom of the chamfer and the main fire hole.

8. The burner of claim 5, wherein the outer ring fire cover is provided with a ring of flame holding grooves along the periphery thereof, the flame holding grooves are positioned at the bottom side of the main fire hole, and the distance between the flame holding grooves and the main fire hole is d2, wherein d2 has a value ranging from 2mm to 4 mm.

9. The burner of claim 2, wherein a plurality of heat dissipating fins are disposed on the distributor, each of the heat dissipating fins being disposed in a circumferential array along a center of the distributor, and the heat dissipating fins being located outside of the mixing channel.

10. Hob, characterized in comprising a burner as claimed in any one of the claims 1 to 9.

Technical Field

The invention relates to the technical field of burners, in particular to a burner and a stove.

Background

Aluminum alloy materials are used for manufacturing distributors and burner of gas cookers more and more at present because of their easy processing performance and excellent corrosion resistance. However, the aluminum alloy burner has poor high temperature resistance and is likely to be softened and deformed when the use temperature exceeds 500 ℃.

Disclosure of Invention

The invention aims to provide a combustor, which can ensure good sealing performance between a distributor and an outer ring fire cover, avoid deformation and damage of the distributor caused by fire leakage and further prolong the service life of the combustor.

Based on this, the present invention provides a burner comprising:

a furnace end;

the distributor is connected to the furnace end; and

the outer ring fire cover is buckled on the distributor, the distributor is connected with the outer ring fire cover through a fastening piece, a first fastening hole corresponding to the fastening piece is formed in the distributor, and a second fastening hole corresponding to the first fastening hole is formed in the outer ring fire cover;

the outer peripheral face of outer ring fire lid is the smooth surface, the distributor be provided with outer ring fire lid's outer peripheral face matched with connect the face, outer ring fire lid pass through the outer peripheral face with connect the face and be connected, just the outer peripheral face with connect the fit clearance value that the cooperation formed of face is 0.05-0.15 mm.

As a preferred scheme, the distributor is provided with a plurality of gas outflow channels communicated with the furnace end and a mixing tank communicated with the gas outflow channels, the distributor is provided with a connecting seat in the mixing tank, the first fastening hole is located on the connecting seat, and the connecting seat is uniformly arranged around the center of the distributor.

Preferably, the number of the gas outflow passages is 3-4, the gas outflow passages are distributed in a circumferential array around the center of the distributor, the number of the connecting seats is equal to that of the gas outflow passages, and any connecting seat is located between two adjacent gas outflow passages.

Preferably, the outer ring fire cover is provided with a positioning pin, the distributor is provided with a positioning hole matched with the positioning pin, and the outer ring fire cover is positioned and connected in the positioning hole of the distributor through the positioning pin.

According to a preferable scheme, the outer ring fire cover is annular, the diameter of the excircle on the top side of the outer ring fire cover is larger than that of the excircle on the bottom side of the outer ring fire cover, the excircle on the top side of the outer ring fire cover and the bottom side of the outer ring fire cover are in smooth transition, and the excircle side wall of the outer ring fire cover is annularly provided with a main fire hole.

Preferably, the fire outlet angle of the main fire hole is 25-45 degrees, the distance between the main fire hole and the top surface of the outer ring fire cover is d1, and the value range of d1 is 1-2 mm.

Preferably, the top side of the outer ring fire cover is provided with a chamfer, wherein the distance of d1 is the distance between the bottom of the chamfer and the main fire hole.

Preferably, a circle of flame stabilizing grooves are formed in the outer ring fire cover along the periphery of the outer ring fire cover, the flame stabilizing grooves are located on the bottom side of the main fire hole, the distance between each flame stabilizing groove and the corresponding main fire hole is d2, and the value range of d2 is 2-4 mm.

As a preferred scheme, a plurality of heat dissipation fins are arranged on the distributor, each heat dissipation fin is arranged in a circumferential array along the center of the distributor, and the heat dissipation fins are located on the outer side of the mixing tank.

In order to achieve the same purpose, the invention also provides a cooker which comprises the burner.

The embodiment of the invention has the following beneficial effects:

in the burner, the distributor and the outer ring fire cover are connected through the fastener to form an integrated structure, so that the connecting structure of the distributor and the outer ring fire cover is more stable, the disassembly and assembly processes of the distributor and the outer ring fire cover are realized through the disassembly and assembly of the fastener, the disassembly and assembly and the maintenance are more convenient, the damage to the joint of the outer ring fire cover and the distributor can be avoided during the disassembly and assembly, the good sealing performance of the distributor and the outer ring fire cover is ensured, the distributor is prevented from being contacted with high-temperature flame to deform, the working of the burner is stable, and the service life of the; simultaneously, based on above-mentioned structure, the outer peripheral face of outer loop fire lid does not connect or the joint soon as connecting limit and distributor, from this outer peripheral face of outer loop fire lid and the connection face of distributor all only need set up to the smooth face can, make processing between them more simple and convenient, and can make the fit clearance between distributor and outer loop fire lid littleer, this embodiment is preferred 0.05-0.15 mm, thereby guarantee that leakproofness between them is better, further avoid leading to the distributor to contact high temperature flame impaired because of leaking the fire.

Drawings

Fig. 1 is an exploded view of a burner in an embodiment of the present invention.

FIG. 2 is a schematic structural diagram of a fire distributor according to an embodiment of the present invention.

Figure 3 is a front view of a distributor according to an embodiment of the invention.

Fig. 4 is a cross-sectional view taken at a-a in fig. 3.

Figure 5 is a rear view of a distributor according to an embodiment of the present invention.

Figure 6 is an exploded view of a distributor and outer ring fire cover in an embodiment of the present invention.

FIG. 7 is a schematic bottom structure diagram of an outer ring fire cover according to an embodiment of the present invention.

FIG. 8 is a side view of an outer ring fire cover in an embodiment of the present invention.

Fig. 9 is a schematic structural diagram of an inner ring fire cover in an embodiment of the invention.

Fig. 10 is an exploded view of a cooktop in an embodiment of the invention.

In the figure: 100. a burner; 200. a bottom case; 300. a valve body assembly; 400. a panel; 500. a support; 1. a furnace end; 2. a fire divider; 21. a connecting seat; 21a, a first fastening hole; 22. a gas outflow channel; 23. a mixing tank; 24. heat dissipation fins; 3. an outer ring fire cover; 31. positioning pins; 32. a main fire hole; 33. chamfering the corner; 34. a flame stabilizing groove; 35. a second fastening hole; 4. an inner ring fire cover.

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. 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.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

As shown in fig. 1 to 10, the present embodiment provides a burner 100 including:

the gas inlet of an ejector of the furnace end 1 is communicated with an external gas supply device through a valve body assembly 300, the external gas supply device conveys gas to the ejector, the external gas mixes and ejects the gas and air through the ejector, and mixed gas is conveyed into the distributor 2;

the distributor 2 is connected to the furnace end 1; and

the outer ring fire cover 3 is buckled on the distributor 2, the distributor 2 is connected with the outer ring fire cover 3 through a fastening piece, a first fastening hole 21a corresponding to the fastening piece is formed in the distributor 2, and a second fastening hole 35 corresponding to the first fastening hole 21a is formed in the outer ring fire cover 3;

the outer peripheral face of outer ring fire lid 3 is the smooth surface, distributor 2 be provided with outer peripheral face matched with of outer ring fire lid 3 connects the face, outer ring fire lid 3 pass through the outer peripheral face with connect the face and be connected, just the outer peripheral face with connect the clearance value between the face and be 0.05-0.15 mm. It should be pointed out that, in this embodiment, the fastener is a screw or a rivet, the material of the distributor 2 is preferably an aluminum alloy, the material of the outer ring fire cover 3 is preferably brass, the distributor 2 and the outer ring fire cover 3 are connected through the fastener to form an integrated structure, so that the connection structure between the two is stable, and the disassembly and the assembly are realized through the fastener in the disassembly and assembly process, so that the disassembly and the assembly are more convenient, the damage of the joint between the outer ring fire cover 3 and the distributor 2 cannot be caused during the disassembly and assembly, the good sealing performance of the two is ensured, and the distributor 2 is prevented from being deformed when contacting high-temperature flame; outer ring fire lid 3's outer peripheral face does not connect or the joint soon as connecting limit and distributor 2, from this outer ring fire lid 3's outer peripheral face and distributor 2's the connection face all only need set up to the smooth face can, make outer ring fire lid 3 and distributor 2's processing more simple and convenient, reduce manufacturing cost, and distributor 2 and outer ring fire lid 3 cooperation clearance between them can be littleer, preferably 0.05-0.15 mm, thereby guarantee that leakproofness between them is better, further avoid leading to distributor 2 to contact high temperature flame and impaired because of leaking the fire, it is pointed out that, above-mentioned cooperation clearance value undersize then can't satisfy distributor 2 and outer ring fire lid 3 deformation demand when being heated, and above-mentioned cooperation clearance value then leads to sealing performance between them poor when too big, so above-mentioned cooperation clearance value is preferred technical scheme.

Based on the technical scheme, in the combustor 100, the distributor 2 and the outer ring fire cover 3 are connected through the fasteners to form an integrated structure, so that the connection structure of the distributor 2 and the outer ring fire cover is more stable, the disassembly and assembly processes of the distributor 2 and the outer ring fire cover are realized through the disassembly and assembly of the fasteners, the disassembly and assembly and maintenance are more convenient, the damage to the connection part of the outer ring fire cover 3 and the distributor 2 can be avoided during disassembly and assembly, the good sealing performance of the distributor 2 and the outer ring fire cover is ensured, the distributor 2 is prevented from being contacted with high-temperature flame to deform, the combustor 100 is stable in work, and the service life of; simultaneously, based on above-mentioned structure, the outer peripheral face of outer loop fire lid 3 does not connect or the joint soon as connecting limit and distributor 2, from this outer peripheral face of outer loop fire lid 3 and the connection face of distributor 2 all only need set up to the smooth face can, make processing between them more simple and convenient, and can make the fit clearance between distributor 2 and outer loop fire lid 3 can be littleer, the preferred 0.05-0.15 mm of this embodiment, thereby guarantee that leakproofness between them is better, further avoid leading to distributor 2 to contact high temperature flame and impaired because of leaking the fire.

In this embodiment, the distributor 2 is provided with a plurality of gas outflow channels 22 communicated with the burner 1 and a mixing groove 23 communicated with the gas outflow channels 22, it should be noted that, when the outer ring fire cover 3 is fastened to the distributor 2, the mixing groove 23 and the outer ring fire cover 3 form a mixing chamber, and the gas flows to the mixing chamber along the gas outflow channels 22 to be mixed, so as to be ejected from the fire hole for combustion, the distributor 2 is provided with a connecting seat 21 in the mixing groove 23, the first fastening hole 21a is located on the connecting seat 21, the connecting seat 21 is uniformly arranged around the center of the distributor 2, the first fastening hole 21a can be more stably arranged by arranging the connecting seat 21, and the second fastening hole 35 of the outer ring fire cover 3 is arranged opposite to the first fastening hole 21a, which makes the connecting structure between the distributor 2 and the outer ring fire cover 3 more stable, when a screw is used as the fastening member, the first fastening hole 21a and the second fastening hole 35 are adapted with respective screw portions, thereby achieving the coupling therebetween.

The number of the gas outflow channels 22 is 3-4, the plurality of gas outflow channels 22 are distributed in a circumferential array around the center of the distributor 2, in this embodiment, 3 gas outflow channels 22 are exemplarily provided, an included angle of 120 ° is formed between two adjacent gas outflow channels 22, the number of the connecting seats 21 is equal to the number of the gas outflow channels 22, and any one of the connecting seats 21 is located between two adjacent gas outflow channels 22, so that when gas flows into the mixing groove 23 along the gas outflow channels 22, the connecting seats 21 do not generate resistance to the gas, and the efficiency of the burner 100 is higher.

Preferably, the outer ring fire cover 3 is provided with a positioning pin 31, the distributor 2 is provided with a positioning hole matched with the positioning pin 31, and the outer ring fire cover 3 is connected in the positioning hole of the distributor 2 in a positioning manner through the positioning pin 31, so that the outer ring fire cover 3 and the distributor 2 can be connected in a positioning manner more conveniently, and the connection efficiency is improved.

Specifically, the outer ring fire cover 3 is circular, the diameter of the top-side outer circle of the outer ring fire cover 3 is larger than the diameter of the bottom-side outer circle of the outer ring fire cover 3, the top-side outer circle of the outer ring fire cover 3 and the bottom-side of the outer ring fire cover 3 are in smooth transition, so that the outer circumferential surface of the outer ring fire cover 3 forms an inverted cornice structure, that is, the outer ring fire cover 3 presents a large-top-small structure when being installed on the fire distributor 2, the outer circumferential wall of the outer ring fire cover 3 is annularly provided with a main fire hole 32, at this time, when overflowing soup flows onto the upper surface of the outer ring fire cover 3 under the situation of cooking soup with big fire of the burner 100, the main fire hole 32 does not block the main fire hole 32 along the side edge of the outer ring fire cover 3 due to the main fire hole 32 being at the narrowing position of the cornice structure, so that the burner 100 can be stably used, further, the outer circumference of the fire distributor 2, thereby make the area of contact increase of distributor 2 periphery and air, for the area of contact of present outer lane for distributor 2 of straight flange has increased 50% about, the area of contact increase of distributor 2 and air is favorable to the heat dissipation of distributor 2 to the protection distributor 2 takes place to warp because of the high temperature.

Specifically, the fire angle of the main fire hole 32 is 25 ° to 45 °, in this embodiment, the fire angle is preferably 30 °, the fire angle is an included angle formed between a center line of the fire hole and a horizontal plane, so that the combustion effect is good, the distance between the main fire hole 32 and the top surface of the outer ring fire cover 3 is d1, and the value range of d1 is 1 mm to 2 mm. Thereby guarantee that main fire hole 32 can stably set up, it should be pointed out, when above-mentioned d1 value is too little, lead to main fire hole 32 unable to set up, when above-mentioned d1 value is too big, then main fire hole 32 is close to distributor 2 and sets up to lead to distributor 2 to be too close to outer ring fire lid 3 easily, make distributor 2 contact high temperature and take place to warp, and above-mentioned select for use 1-2 mm is the preferred technical scheme of this implementation, the top side of outer ring fire lid 3 is provided with chamfer 33, wherein d 1's distance is the distance between the bottom of chamfer 33 and main fire hole 32, set up chamfer 33 and make outer ring fire lid 3 more smooth, avoid causing the scratch to personnel.

Preferably, a ring of flame stabilizing grooves 34 are arranged on the outer ring fire cover 3 along the periphery thereof, the flame stabilizing grooves 34 are located on the bottom side of the main fire hole 32, and the distance between the flame stabilizing grooves 34 and the main fire hole 32 is d2, wherein the value range of d2 is 2-4 mm, then the flame stabilizing grooves 34 are located on the bottom side of the main fire hole 32, so that the distance between the main fire hole 32 and the distributor 2 is increased, thereby preventing the high-temperature flame of the main fire hole 32 from approaching the distributor 2 to cause the thermal deformation of the distributor 2, and it should be noted that the flame on the flame stabilizing grooves 34 is a small flame, and when the flame stabilizing grooves 34 are arranged at the position approaching the distributor 2, the thermal deformation of the distributor 2 is not caused. Further, a plurality of heat dissipation fins 24 are arranged on the distributor 2, each heat dissipation fin 24 is arranged along the center of the distributor 2 in a circumferential array, and the heat dissipation fins 24 are located on the outer side of the mixing groove 23, so that the heat dissipation fins 24 can enable the high-temperature distributor 2 to dissipate heat well, thereby avoiding deformation of the distributor 2 caused by heat accumulation, and it should be noted that the number of the heat dissipation fins 24 is preferably 15-20. In addition, it should be noted that an inner ring fire cover 4 is further connected to the middle of the burner 100, and an inner fire hole is formed in the inner ring fire cover 4, so as to realize the combustion of the burner 100, and the specific arrangement form of the inner ring fire cover 4 is the same as that of the prior art, and will not be described herein.

In order to achieve the same purpose, the present embodiment also provides a cooker, as shown in fig. 10, including the above-mentioned burner 100. Now explain with concrete cooking utensils, this cooking utensils include the casing that is formed by panel 400 and drain pan 200 looks lock joint, are provided with valve body subassembly 300 and combustor 100 in the casing, and combustor 100 is connected with valve body subassembly 300 through furnace end 1, is provided with the through-hole that supplies combustor 100 to stretch out on panel 400, places the support 500 that is used for supporting the pot body on panel 400, still is provided with knob switch on panel 400 in order to realize controlling. It should be noted that the specific structure of the cooker is not limited, and the embodiment is only an exemplary illustration.

By adopting the burner 100 and the stove provided by the embodiment of the invention, in the burner 100, the distributor 2 and the outer ring fire cover 3 are connected through the fastener to form an integrated structure, so that the connection structure of the distributor 2 and the outer ring fire cover is more stable, the disassembly and assembly processes of the distributor 2 and the outer ring fire cover are realized through the disassembly and assembly of the fastener, the disassembly and assembly maintenance are more convenient, the damage of the connection part of the outer ring fire cover 3 and the distributor 2 can not be caused during the disassembly and assembly, the good sealing performance of the distributor and the outer ring fire cover is ensured, the distributor 2 is prevented from being contacted with high-temperature flame to deform, the burner 100 is stable in operation, and the; simultaneously, based on above-mentioned structure, the outer peripheral face of outer loop fire lid 3 does not connect or the joint soon as connecting limit and distributor 2, from this outer peripheral face of outer loop fire lid 3 and the connection face of distributor 2 all only need set up to the smooth face can, make processing between them more simple and convenient, and can make the fit clearance between distributor 2 and outer loop fire lid 3 can be littleer, the preferred 0.05-0.15 mm of this embodiment, thereby guarantee that leakproofness between them is better, further avoid leading to distributor 2 to contact high temperature flame and impaired because of leaking the fire.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.