CN216744442U

CN216744442U - Lighter and combustion head thereof

Info

Publication number: CN216744442U
Application number: CN202122909411.0U
Authority: CN
Inventors: 沈觉明
Original assignee: Cixi Mingsheng Electric Appliance Factory General Partnership
Current assignee: Cixi Mingsheng Electric Appliance Factory General Partnership
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-06-14
Anticipated expiration: 2031-11-23

Abstract

The utility model relates to a lighter field especially relates to a lighter and burning head thereof. A combustion head comprises an air inlet pipe, a fire gathering sleeve connected above the air inlet pipe, and an air outlet part arranged in the fire gathering sleeve; the top of the air inlet pipe is provided with a shaft sleeve part which extends into a shaft hole at the lower end of the fire gathering sleeve, a shaft tube at the lower end of the air outlet component is inserted in the shaft sleeve part of the air inlet pipe, and the fire gathering sleeve is clamped and fixed between the air inlet pipe and the air outlet component; when the axle tube at the lower end of the air outlet component is inserted into the axle sleeve part of the air inlet pipe, the axle sleeve part of the air inlet pipe is deformed and fastened with the fire gathering sleeve. The combustion head adopts a simple structure, not only realizes the fastening of the air inlet pipe and the air outlet part, but also realizes the fastening of the air inlet pipe and the fire gathering sleeve; the stability is higher.

Description

Lighter and combustion head thereof

Technical Field

The utility model relates to a lighter field especially relates to a lighter and burning head thereof.

Background

The combustion head of the lighter can also be called as a gasification burner and is divided into a direct-flushing type gasification burner and a windproof gasification burner

The direct-flushing type gasification furnace can refer to the proposal and the background technology thereof recorded in the Chinese utility model patent with the publication number of CN 206176448U; particularly, need install on the air outlet valve of current lighter of preventing wind and prevent wind the combustion head, current combustion head is including gathering fire cover, intake pipe, play gas column and air inlet assembly, gather fire cover mid-mounting play gas column, the lower extreme and the intake pipe upper end of going out the gas column are connected, the lower part suit of gathering fire cover is in the upper portion outer wall of intake pipe, the upper portion of intake pipe is equipped with the external screw thread section, and the nut is twisted the dress and is in on the external screw thread section, just the top is in on the nut gather the lower extreme of fire cover, sleeve pipe internally mounted air inlet assembly. The technical problems of the structure are as follows: because the nut is adopted to fix the fire gathering sleeve, the nut is usually made of copper materials or other metals, the air inlet pipe needs to be externally threaded through lathe machining, the cost is high, the machining is troublesome, the assembly is inconvenient, and the assembly efficiency is low.

On this basis, the patent scheme that publication number is "CN 206176448U" describes a lighter combustion head of preventing wind, including gathering fire cover, play air column and intake pipe, it is equipped with the venthole to go out the air column middle part, the middle part of intake pipe is equipped with the inlet port, the subassembly that admits air is installed to the lower part of intake pipe, the combustion head still includes middle seat, it fixes to go out the air column on the middle seat, middle seat upper portion is connected in the lower part of gathering fire cover inner chamber, the lower part of middle seat with the intake pipe upper end is pegged graft fixedly. The scheme discards the conventional threaded connection mode, designs the structure of the middle seat, and connects and assembles the fire gathering sleeve, the gas outlet column and the gas inlet pipe through the middle seat; compared with the assembly of threaded connection, the assembly is more convenient and faster, and the assembly efficiency is higher; moreover, through the design of buffer block, have lower spoilage when the assembly to and can not receive the influence such as vibration, the reliability is higher.

Prevent wind gasification burner and can refer to a novel lighter air inlet unit that patent scheme that bulletin number is "CN 204987079U" records, including gathering fire cover, giving vent to anger needle and supercharging seat, gather the mid-mounting of fire cover and give vent to anger the needle, the lower extreme of giving vent to anger the needle with supercharging seat's upper end is connected, supercharging seat's middle part is equipped with the inlet port, supercharging seat's lower part is equipped with the pressure boost subassembly that admits air, the supercharging seat inner chamber of inlet port below is equipped with interior ring of stretching, the upper end of admitting air pressure boost subassembly is contradicted interior bottom surface of stretching the ring, supercharging seat's lower part and adapter sleeve are connected. The utility model provides a subassembly is difficult to not hard up, the good novel lighter of stability admits air device admits air.

According to the two technical schemes, the air inlet pipe (pressurizing seat) and the middle seat (air outlet needle) are inserted and then clamped and fixed with the fire gathering sleeve, and whether the whole combustion head structure is stable mainly depends on the inserting and tight matching degree of the air inlet pipe (pressurizing seat) and the middle seat (air outlet needle); however, it is difficult to ensure the structural stability only by the above structure, and the problem of loosening and falling off of the fire gathering sleeve due to the infirm insertion is likely to occur, and it is necessary to improve the structure.

Disclosure of Invention

In order to solve the above problems, a first object of the present invention is to provide a burner head, which has a simple structure to fasten an inlet pipe to an outlet member and fasten the inlet pipe to a fire collecting sleeve; the stability is higher.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a combustion head comprises an air inlet pipe, a fire gathering sleeve connected above the air inlet pipe, and an air outlet part arranged in the fire gathering sleeve; it is characterized in that; the top of the air inlet pipe is provided with a shaft sleeve part which extends into a shaft hole at the lower end of the fire gathering sleeve, a shaft tube at the lower end of the air outlet component is inserted in the shaft sleeve part of the air inlet pipe, and the fire gathering sleeve is clamped and fixed between the air inlet pipe and the air outlet component; when the axle tube at the lower end of the air outlet component is inserted into the axle sleeve part of the air inlet pipe, the axle sleeve part of the air inlet pipe is deformed and fastened with the fire gathering sleeve.

The above technical scheme is adopted in the utility model, this technical scheme relates to a combustion head, and this combustion head includes the intake pipe, gathers fire cover and the part of giving vent to anger, gathers fire cover and establishes in the intake pipe top, gathers the inside combustion chamber that forms of fire cover, and the part of giving vent to anger sets up in the combustion chamber that gathers fire cover and its bottom is linked together with the intake pipe. During combustion, the air inlet assembly at the bottom of the air inlet pipe introduces combustion gas and then is mixed with air (oxygen) entering from the side face of the air inlet pipe, the air is introduced into the combustion chamber through the air outlet part, and ignition and combustion can be carried out in the combustion chamber. Be different from prior art, the top of the intake pipe in this scheme is equipped with axle sleeve portion and stretches into gather in the axle hole of fire cover lower extreme, then the central siphon of giving vent to anger part lower extreme is pegged graft in the axle sleeve portion of intake pipe, so realized intake pipe and the connection of giving vent to anger part fixed to can establish with gathering fire cover clamp and fixing wherein. Furtherly is, the axle sleeve portion of intake pipe and the central siphon of giving vent to anger part lower extreme all stretch into in gathering the shaft hole of fire cover, through the axle sleeve portion of intake pipe and the central siphon tight fit connected mode of giving vent to anger part lower extreme, have guaranteed intake pipe and the firm connection of giving vent to anger part on the one hand, and on the other hand also makes the deformation of axle sleeve portion of intake pipe and with gather the fire cover fastening. The scheme adopts a simple structure, not only realizes the fastening of the air inlet pipe and the air outlet part, but also realizes the fastening of the air inlet pipe and the fire gathering sleeve; the stability of the burner head is higher.

In one embodiment, when the shaft tube at the lower end of the air outlet part is inserted into the shaft sleeve part of the air inlet pipe, the shaft sleeve part of the air inlet pipe is expanded and is in interference insertion connection with the fire gathering sleeve. In the scheme, a shaft tube at the lower end of the air outlet part is tightly sleeved in a shaft sleeve part of the air inlet pipe, and the pipe diameter of the shaft sleeve part of the air inlet pipe is expanded in the sleeving process, so that the shaft tube is in interference insertion connection with a shaft hole of the fire gathering sleeve; through two interference grafting structures that overlap each other in the axial to guarantee that intake pipe, fire gathering cover and the part of giving vent to anger are connected fixedly.

In another embodiment, the upper end of the shaft sleeve part of the air inlet pipe extends out of the shaft hole at the lower end of the fire gathering sleeve; when the axle tube at the lower end of the air outlet part is inserted into the axle sleeve part of the air inlet pipe, the exceeding part at the upper end of the axle sleeve part is flared or flanged to be fastened with the fire gathering sleeve. Among this technical scheme, the central siphon tight fit of giving vent to anger part lower extreme cup joints in the axle sleeve portion of intake pipe, and the axle sleeve portion upper end of intake pipe is exceeded partial aperture and is propped greatly or directly presses it into the turn-ups cup joints the in-process, and the turn-ups that surpasss part or press through the flaring after the turn-ups come the lock to gather the shaft hole edge of fire cover to guarantee the intake pipe and gather the fire cover fastening, do not deviate from.

Preferably, the upper end exceeding part of the shaft sleeve part comprises a plurality of petals arranged in the circumferential direction, and a notch is formed between every two adjacent petals. In the technical scheme, the exceeding part of the upper end of the shaft sleeve part is divided into a plurality of petal bodies by adopting the notches, so that the petal bodies are easier to deform; when the shaft tube at the lower end of the air outlet part is inserted into the shaft sleeve part of the air inlet pipe, the exceeding part is easier to be flared or pressed into a flanging.

Preferably, a tapered portion is formed on the outer side wall of the shaft tube at the lower end of the air outlet member, and the tapered portion has a smaller diameter at the lower end and a larger diameter at the upper end. In the technical scheme, when the shaft tube at the lower end of the air outlet part is inserted into the shaft sleeve part of the air inlet pipe, the upper end of the shaft sleeve part exceeds part of the hole diameter to be gradually expanded based on the cone part on the outer side wall of the shaft tube, and the flaring effect is achieved.

Preferably, the outer diameter of the top of the air inlet pipe is larger than that of the shaft sleeve part, a lower positioning step surface is formed between the air inlet pipe and the shaft sleeve part, and an upper positioning step surface is arranged above the shaft pipe of the air outlet part; the upper and lower side walls of the shaft hole of the fire gathering sleeve are respectively abutted against the upper positioning step surface and the lower positioning step surface. In the technical scheme, the fire gathering sleeve is clamped and fixed based on the upper positioning step surface and the lower positioning step surface.

Preferably, the shaft hole of the fire gathering sleeve is a stepped shaft hole with a large caliber at the upper end and a small caliber at the lower end, and the cone part on the shaft tube of the air outlet part is positioned in the stepped hole at the upper end of the stepped shaft hole. According to the technical scheme, on the basis of realizing flaring through the cone, the cone is accommodated in the upper end stepped hole of the stepped shaft hole, so that the air inlet pipe and the air outlet component can be continuously clamped and fixed to the fire gathering sleeve.

In the scheme of the windproof gasification furnace, the air outlet part is an air outlet needle, and a shaft tube at the bottom of the air outlet needle is inserted in a shaft sleeve part of the air inlet tube.

In the scheme of the direct-flushing type gasification furnace, the air outlet part comprises a middle seat and an air outlet column which is connected and fixed on the middle seat; and the shaft tube at the bottom of the middle seat is inserted in the shaft sleeve part of the air inlet pipe.

A first object of the present invention is to provide a lighter, characterized in that: comprising the combustion head.

Reference is made in the above-mentioned solutions to the prior art with regard to the structure of the burner head and the lighter, which is not relevant for the purposes of the present invention.

Drawings

FIG. 1 is a schematic view of a combustion head structure connected by a tube expansion method.

FIG. 2 is a schematic view of a combustion head structure using flared connection.

Fig. 3 is an assembled view of the burner head of fig. 2.

FIG. 4 is a schematic view of the structure of the windproof combustion head.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore 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, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1:

as shown in FIGS. 1-4, the present embodiment relates to a burner, which includes an air inlet pipe 1, a fire gathering sleeve 2 connected above the air inlet pipe 1, and an air outlet member 3 disposed inside the fire gathering sleeve 2. The top of the air inlet pipe 1 is provided with a shaft sleeve part 11 which extends into a shaft hole 21 at the lower end of the fire gathering sleeve 2, a shaft tube 31 at the lower end of the air outlet component 3 is inserted into the shaft sleeve part 11 of the air inlet pipe 1, and the fire gathering sleeve 2 is clamped and fixed between the air inlet pipe 1 and the air outlet component 3. When the shaft tube 31 at the lower end of the air outlet component 3 is inserted into the shaft sleeve part 11 of the air inlet pipe 1, the shaft sleeve part 11 of the air inlet pipe 1 is deformed and fastened with the fire gathering sleeve 2. Above-mentioned technical scheme relates to a burner, and this burner includes intake pipe 1, gathers fire cover 2 and the part 3 of giving vent to anger, gathers fire cover 2 and sets up in intake pipe 1 top, gathers the inside combustion chamber that forms of fire cover 2, and the part 3 of giving vent to anger sets up in the combustion chamber of gathering fire cover 2 and its bottom is linked together with intake pipe 1. During combustion, the air inlet assembly at the bottom of the air inlet pipe 1 introduces combustion gas and then mixes with air (oxygen) entering from the side face of the air inlet pipe 1, the air is introduced into the combustion chamber through the air outlet part 3, and ignition and combustion can be carried out in the combustion chamber. What be different from prior art is, the top of intake pipe 1 in this scheme is equipped with axle sleeve portion 11 and stretches into gather in the shaft hole 21 of 2 lower extremes of fire cover, then the central siphon 31 of giving vent to anger part 3 lower extreme is pegged graft in the axle sleeve portion 11 of intake pipe 1, so realized intake pipe 1 and give vent to anger the connection of part 3 fixed to can establish with gathering fire cover 2 clamp and fixing wherein. Further, the axle sleeve portion 11 of intake pipe 1 and the central siphon 31 of 3 lower extremes of the part of giving vent to anger all stretch into in the shaft hole 21 of gathering the fire cover 2, through the axle sleeve portion 11 of intake pipe 1 and the central siphon 31 tight fit connected mode of 3 lower extremes of the part of giving vent to anger, guaranteed intake pipe 1 and the firm connection of the part of giving vent to anger 3 on the one hand, on the other hand also makes the deformation of the axle sleeve portion 11 of intake pipe 1 and with gather the fire cover 2 fastening. The scheme adopts a simple structure to realize the fastening of the air inlet pipe 1 and the air outlet part 3 and realize the fastening of the air inlet pipe 1 and the fire gathering sleeve 2. The stability of the combustion head is higher.

In the first embodiment as shown in fig. 1, when the shaft tube 31 at the lower end of the air outlet part 3 is inserted into the sleeve part 11 of the air inlet pipe 1, the sleeve part 11 of the air inlet pipe 1 is expanded to be inserted into the fire gathering sleeve 2 in an interference manner. In this scheme, the central siphon 31 of giving vent to anger 3 lower extreme tight fit cup joints in the boss portion 11 of intake pipe 1, and the boss portion 11 pipe diameter of intake pipe 1 props greatly in the process of cup jointing to make it and gather the shaft hole 21 interference grafting of fire cover 2. Through two interference grafting structures that overlap each other in the axial to guarantee that intake pipe 1, gather fire cover 2 and air outlet part 3 are connected fixedly.

In the second embodiment shown in fig. 2 and 3, the upper end of the boss portion 11 of the intake pipe 1 extends beyond the axial hole 21 at the lower end of the squib holder 2. When the shaft tube 31 at the lower end of the air outlet part 3 is inserted into the sleeve part 11 of the air inlet pipe 1, the upper protruding part 11a of the sleeve part 11 is flared or flanged to be fastened with the fire collecting sleeve 2. In this technical scheme, the central siphon 31 of the lower extreme of the gas outlet part 3 is close-fitting cup jointed in the boss part 11 of the gas inlet pipe 1, the aperture of the upper end exceeding part 11a of the boss part 11 of the gas inlet pipe 1 is expanded or directly pressed into a flanging in the cup jointing process, the edge of the shaft hole 21 of the fire gathering sleeve 2 is buckled by the exceeding part 11a after flaring or the flanging pressed into the flanging, so as to ensure that the gas inlet pipe 1 is fastened with the fire gathering sleeve 2 and is not separated from the fire gathering sleeve.

In the second embodiment, a tapered portion 32 is formed on the outer side wall of the shaft tube 31 at the lower end of the air outlet member 3, and the diameter of the lower end of the tapered portion 32 is small and the diameter of the upper end is large. In this technical solution, when the shaft tube 31 at the lower end of the air outlet member 3 is inserted into the sleeve portion 11 of the air inlet tube 1, the aperture of the portion 11a beyond the upper end of the sleeve portion 11 is gradually enlarged based on the taper portion 32 on the outer side wall of the shaft tube 31, so as to achieve the flaring effect.

Further, the outer diameter of the top of the air inlet pipe 1 is larger than the outer diameter of the boss portion 11, a lower positioning step surface 12 is formed between the air inlet pipe 1 and the boss portion 11, and an upper positioning step surface 33 is arranged above the shaft pipe 31 of the air outlet component 3. The upper and lower side walls of the shaft hole 21 of the fire gathering sleeve 2 are respectively abutted against the upper positioning step surface 33 and the lower positioning step surface 12. According to the technical scheme, the fire gathering sleeve 2 is clamped and fixed in the fire gathering sleeve based on the upper positioning step surface 33 and the lower positioning step surface 12. In addition to realizing the flaring by the tapered portion 32, it is further preferable that the shaft hole 21 of the fire gathering sleeve 2 is a stepped shaft hole with a large upper end diameter and a small lower end diameter, and the tapered portion 32 on the shaft tube 31 of the air outlet member 3 is positioned in the upper end stepped hole of the stepped shaft hole 21. According to the technical scheme, the upper end stepped hole of the stepped shaft hole 21 is used for accommodating the cone part 32, so that the air inlet pipe 1 and the air outlet part 3 can be ensured to be continuously clamped and fixed with the fire gathering sleeve 2.

In a further preferred embodiment, the protruding portion 11a of the upper end of the boss portion 11 includes a plurality of lobes arranged in the circumferential direction, and a notch is formed between two adjacent lobes. In this technical scheme, adopt the incision to divide into a plurality of lamella bodies with the excess part 11a of axle sleeve portion 11 upper end, make it deformation more easily. When the shaft tube 31 at the lower end of the air outlet member 3 is inserted into the boss portion 11 of the air inlet pipe 1, the excess portion 11a is more easily flared or pressed to be flanged.

Based on the above structure, when the windproof flame burner is applied to the scheme of windproof flame burner, the air outlet part 3 is the air outlet needle 301, and the shaft tube 31 at the bottom of the air outlet needle 301 is inserted into the shaft sleeve part 11 of the air inlet pipe 1, as shown in fig. 4. In the scheme of applying the direct-fired burner head, the gas outlet part 3 comprises a middle base 302 and a gas outlet column 303 connected and fixed on the middle base 302. The shaft tube 31 at the bottom of the middle base 302 is inserted into the shaft sleeve part 11 of the air inlet pipe 1; as shown in fig. 2.

Example 2:

this embodiment provides a lighter [ fig. ] comprising the burner head described in embodiment 1.

Reference is made to the prior art for the construction of the invention in connection with burner heads and lighters and not relevant for the purpose of the invention.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.

Claims

1. A combustion head comprises an air inlet pipe (1), a fire gathering sleeve (2) connected above the air inlet pipe (1), and an air outlet part (3) arranged in the fire gathering sleeve (2); it is characterized in that; the top of the air inlet pipe (1) is provided with a shaft sleeve part (11) which extends into a shaft hole (21) at the lower end of the fire gathering sleeve (2), a shaft tube (31) at the lower end of the air outlet part (3) is inserted into the shaft sleeve part (11) of the air inlet pipe (1), and the fire gathering sleeve (2) is clamped and fixed between the air inlet pipe (1) and the air outlet part (3); when the axle tube (31) at the lower end of the air outlet component (3) is inserted into the axle sleeve part (11) of the air inlet pipe (1), the axle sleeve part (11) of the air inlet pipe (1) is deformed to be fastened with the fire gathering sleeve (2).

2. A burner head according to claim 1, wherein: when the shaft tube (31) at the lower end of the air outlet part (3) is inserted into the shaft sleeve part (11) of the air inlet pipe (1), the shaft sleeve part (11) of the air inlet pipe (1) is expanded and is in interference insertion connection with the fire gathering sleeve (2).

3. A burner head according to claim 1, wherein: the upper end of the shaft sleeve part (11) of the air inlet pipe (1) exceeds the shaft hole (21) at the lower end of the fire gathering sleeve (2); when the axle tube (31) at the lower end of the air outlet part (3) is inserted into the axle sleeve part (11) of the air inlet pipe (1), the exceeding part (11a) at the upper end of the axle sleeve part (11) is flared or flanged to be fastened with the fire gathering sleeve (2).

4. A burner head according to claim 3, wherein: the upper end exceeding part (11a) of the shaft sleeve part (11) comprises a plurality of petal bodies arranged in the circumferential direction, and a notch is formed between every two adjacent petal bodies.

5. A burner head according to claim 3, wherein: and a cone part (32) is formed on the outer side wall of the shaft tube (31) at the lower end of the air outlet part (3), and the caliber of the lower end of the cone part (32) is small and the caliber of the upper end is large.

6. A burner head according to claim 5, wherein: the outer diameter of the top of the air inlet pipe (1) is larger than that of the shaft sleeve part (11), a lower positioning step surface (12) is formed between the air inlet pipe (1) and the shaft sleeve part (11), and an upper positioning step surface (33) is arranged above the shaft pipe (31) of the air outlet part (3); the upper and lower side walls of the shaft hole (21) of the fire gathering sleeve (2) are respectively abutted against the upper positioning step surface (33) and the lower positioning step surface (12).

7. A burner head according to claim 6, wherein: the shaft hole (21) of the fire gathering sleeve (2) is a stepped shaft hole (21) with a large caliber at the upper end and a small caliber at the lower end, and a cone part (32) on the shaft tube (31) of the air outlet part (3) is positioned in the stepped hole at the upper end of the stepped shaft hole (21).

8. A burner head according to any one of claims 1 to 7, wherein: the air outlet part (3) is an air outlet needle (301), and a shaft tube (31) at the bottom of the air outlet needle (301) is inserted into the shaft sleeve part (11) of the air inlet pipe (1).

9. A burner head according to any one of claims 1 to 7, wherein: the air outlet part (3) comprises a middle seat (302) and an air outlet column (303) which is fixedly connected with the middle seat (302); the shaft tube (31) at the bottom of the middle seat (302) is inserted in the shaft sleeve part (11) of the air inlet pipe (1).

10. A lighter, its characterized in that: comprising a burner head according to any one of claims 1 to 9.