CN218626937U

CN218626937U - Lighter gas structure and lighter using same

Info

Publication number: CN218626937U
Application number: CN202222717116.XU
Authority: CN
Inventors: 罗卓文
Original assignee: Hunan Zhuoye Electronic Co ltd
Current assignee: Hunan Zhuoye Electronic Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-03-14
Anticipated expiration: 2032-10-14

Abstract

The utility model discloses a lighter gas structure and use its lighter belongs to lighter equipment field, including the gas furnace, the fastener, sleeve and bleed valve, the pot head of bleed valve is established in the gas furnace, the sleeve registrates one of gas furnace and serves, the fastener is in between gas furnace and the sleeve, the sleeve is fixed the fastener and is served at one of gas furnace, the fastener joint is served at one of bleed valve, link together bleed valve and gas furnace, utilize the interference fit of sleeve and gas furnace in the gas structure of this lighter, fix the fastener between gas furnace and sleeve, prevent that the fastener pine from taking off, the sleeve is inseparable with being connected of gas furnace, can bear great load, the fastener is in the gas furnace with the gas needle card of bleed valve in addition, make the gas needle at release gas in-process, can not take off and slide, the stability of release gas has been improved, the flame that this lighter produced is more stable.

Description

Lighter gas structure and lighter using same

Technical Field

The utility model relates to a lighter equipment field, concretely relates to lighter gas structure and use its lighter.

Background

The lighter is a small-sized fire taking device, which is mainly used for taking fire and smoking, and is also used for cooking and field fire taking, the lighter comprises a shell, a firing device, a gas storage box and a gas structure, when fire is required to be taken, a firing mechanism is pushed to act, a spark is jetted to the gas structure, and combustible gas in the gas structure is ignited.

The prior patent with publication number CN205579634U discloses a direct impact lighter, wherein a bracket is arranged in a casing above a commutator, a furnace body is arranged on the bracket, and the furnace body and the bracket are assembled into a whole through a furnace core; the upper part of the furnace core is arranged in the support and the furnace body and is transversely and simultaneously positioned on the support and the furnace body, the lower part of the furnace core is arranged outside the support and is provided with an inner cavity, the lower part of the furnace core is sleeved on the upper part of the commutator through the inner cavity, the middle part of the furnace core is provided with a stopper for preventing the furnace core from moving upwards, the stopper prevents the oxidation furnace from moving left and right and up and down through the commutator in the gas furnace, so that flame is stable, but the gas needle is not tightly connected with the gas furnace, and after long-term use wear or aging of the commutator, the gas needle and the gasification furnace can leak gas.

SUMMERY OF THE UTILITY MODEL

One of the objectives of the present invention is to provide a gas structure of a lighter, which solves the problems of loose and leakage of gas in the gas structure of a lighter.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

a lighter gas structure comprises a gas furnace, a clamping piece, a sleeve and a gas release valve, wherein one end of the gas release valve is sleeved in the gas furnace, the sleeve is sleeved on one end of the gas furnace, the clamping piece is located between the gas furnace and the sleeve, the sleeve fixes the clamping piece on one end of the gas furnace, and the clamping piece is clamped on one end of the gas release valve to connect the gas release valve and the gas furnace together.

The air release valve comprises an air needle and a groove, the air needle is connected in the air release valve in a sliding mode, and the groove is formed in the outer wall of the air needle and used for conveying fuel gas and improving the clamping strength of the clamping piece.

The fastener includes snap ring and deformation portion, deformation portion sets up on the inner wall of snap ring deformation portion joint is in the one of bleed valve is served the back, deformation portion follows the snap ring axial takes place to warp, is used for the restriction the bleed valve with relative movement takes place for the gas furnace, utilizes the ability that deformation portion can warp makes the fastener can with the inseparable block of bleed valve improves the bleed valve with the stability that the gas furnace is connected.

The clamping piece further comprises an opening, and the opening is formed in the clamping ring, so that the clamping piece is easy to deform, and the installation difficulty is reduced.

The sleeve comprises a cup body and a boss, the boss is arranged on the bottom surface of the cup body, and the boss is used for supporting when the clamping piece is pressed by the sleeve, so that the strength of the clamping piece supported by the sleeve is improved.

The gas furnace is including warping the guide portion, warp the guide portion setting and be in the gas furnace with on the terminal surface that the fastener is contradicted, be used for the guide warp the portion takes place to deform

The gas furnace also comprises a combustion chamber, the combustion chamber is arranged in the gas furnace, and the combustion chamber is communicated with the air release valve and used for mixing gas and air to quickly finish combustion reaction.

The clamping piece is made of stainless steel through punching, and the manufacturing cost is low

Still include the windshield, windshield sliding connection be in on the other end of gas furnace, the windshield is including the cover body and first spring, cover body sliding connection be in on the other end of gas furnace, first spring sets up the cover body with between the gas furnace for reduce the influence of external air current to firing, for the reset of gas furnace provides the effort

The second purpose of the utility model is to provide a lighter, which solves the problem that the gas structure of the lighter leaks gas easily.

a lighter includes a gas structure.

The beneficial effects of the utility model are that:

(1) Be equipped with fastener and sleeve in the gas structure of this lighter, fastener and sleeve are made by elastic metal, utilize the interference fit of sleeve and gas furnace, fix the fastener between gas furnace and sleeve, prevent that the fastener pine from taking off, the sleeve is inseparable with being connected of gas furnace, can bear great load, the fastener is in the gas furnace with the gas needle card of bleed valve in addition, make the gas needle at release gas in-process, can not take off and slide, the stability of release gas has been improved, the flame of production is more stable.

(2) Be equipped with the deformation portion on the fastener in this lighter gas structure, the deformation portion can insert in the recess on the gas needle, the deformation portion of fastener when the installation, install on the gas needle by the punching press mode, make the deformation portion of fastener take place deformation, just can stretch into the recess and block the gas needle, because the fastener is made by elastic metal piece, the gas needle is at the slip gassing in-process, the fastener also can firmly block the gas needle, prevent that the gas needle from taking off with the gas furnace pine, the stability that the lighter produced flame has been improved, and in long-term use, be afraid of wearing and tearing and ageing, the life of lighter obtains the extension.

(3) The gas structure that is equipped with on this lighter can guarantee the stable connection of gas circuit between bleed valve and the gas furnace when long-term use, has improved the stability of the flame of lighter.

Drawings

Fig. 1 is an exploded view of a gas structure of a lighter according to the present invention;

fig. 2 is an isometric view of a gas structure of the lighter provided by the present invention;

fig. 3 is a front view of the gas structure of the lighter of the present invention;

FIG. 4 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a structural diagram of the gas structure after the installation of the utility model;

FIG. 6 is a partial cross-sectional view of a purge valve provided by the present invention;

fig. 7 is an isometric view of a sleeve provided by the present invention;

fig. 8 is a front view of a sleeve provided by the present invention;

FIG. 9 is a cross-sectional view taken along line B-B of FIG. 8;

FIG. 10 is an isometric view of a fastener according to the present invention

Fig. 11 is a front view of the engaging member provided by the present invention;

fig. 12 is a structural view of the engaging member according to the second embodiment.

Reference numerals are as follows:

1. a gas furnace; 11. a furnace body; 12. a combustion chamber; 13. burning a nozzle; 14. a deformation guide; 2. a fastener; 21. a snap ring; 22. a deformation section; 23. an opening; 3. a sleeve; 31. a cup body; 32. a boss; 33. air holes; 4. a deflation valve; 41. Air needle; 42. a valve body; 43. a second spring; 44. a groove; 5. a windshield; 51. a cover body; 52. a first spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given in the application without any inventive step, are within the scope of the present invention.

Example one

As shown in fig. 1-11, a lighter gas structure comprises a gas furnace 1, a clamping member 2, a sleeve 3 and a gas release valve 4, wherein one end of the gas release valve 4 is sleeved in the gas furnace 1, the sleeve 3 is sleeved on one end of the gas furnace 1, the clamping member 2 is positioned between the gas furnace 1 and the sleeve 3, the clamping member 2 is fixed on one end of the gas furnace 1 by the sleeve 3, the clamping member 2 is clamped on one end of the gas release valve 4, the gas release valve 4 is connected with the gas furnace 1, the clamping member 2 improves the binding force between the gas release valve 4 and the gas furnace 1, so that the release of gas is more stable, and the reliability of gas release can be maintained after long-term use.

Preferably, the air release valve 4 includes an air needle 41, a valve body 42, a second spring 43, and a groove 44, a part of the air needle 41 is slidably connected in the air release valve 4, and another part of the air needle is connected in the combustion chamber 12 in an interference fit manner, so that the gas does not leak when flowing, the second spring 43 is installed in the valve body 42, one end of the second spring is butted against the inner wall of the valve body 42, the other end of the second spring is butted against the outer wall of the air needle 41, the second spring is used for compressing the air release valve 4 to prevent the gas from leaking, and is also used for providing elastic force for resetting the air needle 41, the groove 44 is arranged on the outer wall of the air needle 41, and is far away from one end of the valve body 42, the groove wall of the groove 44 close to the valve body 42 is provided with a chamfer, and can guide and install the locking member 2.

Preferably, the engaging member 2 includes a snap ring 21 and three deformation portions 22, the three deformation portions 22 are uniformly distributed on the inner wall of the snap ring 21, the three deformation portions 22 all point to the center of the snap ring 21, the deformation portions 22 can deform along the axial direction of the snap ring 21 after being snapped on one end of the gas release valve 4, the deformation portions 22 are tightly attached to the bottom wall of the groove 44 and the upper groove wall, and the gas release valve 4 and the gas furnace 1 can be limited to move relatively even in the movement process of the gas needle 41 by means of the elasticity of the material itself.

The engaging piece 2 is made of a stainless steel plate through punching, the section of the deformation portion 22 is petal-shaped, the engaging piece 2 is flat before installation, the engaging piece is made through one-time punching, the manufacturing cost is low, deformation can be generated during installation, the attaching degree of the engaging piece 2 and the air needle 41 is high, the characteristics of materials are fully utilized, and the assembling is easy.

Preferably, the sleeve 3 comprises a cup body 31, a boss 32 and an air hole 33, the cross section of the cup body 31 is U-shaped, the inner wall of the cup body 31 is in interference fit with the outer wall of the gas furnace 1, the clamping piece 2 can be firmly fixed at one end of the gas furnace 1 by means of metal elasticity, the clamping piece 2 is prevented from loosening when stressed, the boss 32 is arranged on the bottom surface of the cup body 31, the boss 32 is used for supporting when the sleeve 3 presses the clamping piece 2 tightly, the air hole 33 is a through hole arranged in the center of the bottom surface, a space is reserved for the air needle 41 to pass through, and the boss 32 is attached to the edge of the air hole 33, so that the sleeve 3 can be formed in a stamping mode at one time, and the manufacturing cost is low.

Preferably, the gas furnace 1 comprises a deformation guiding part 14, the deformation guiding part 14 is arranged on the end surface of the gas furnace 1 abutting against the engaging member 2 and used for guiding the deformation part 22 to be controllably deformed, the deformation guiding part 14 is a chamfer arranged at the inlet of the combustion chamber 12, the deformation part 22 on the engaging member 2 is deformed after being extruded by the gas needle 41, and the deformation part 22 is deformed along the deformation guiding part 14, so that the shape change of the deformation part 22 is controllable, and the installation stability of the engaging member 2 is improved.

The gas furnace 1 further comprises a combustion chamber 12 and a burner 13, the combustion chamber 12 is arranged in the gas furnace 1, one end of the combustion chamber 12 is communicated with the air release valve 4, the other end of the combustion chamber 12 is connected with the burner 13, the burner 13 is located at the top of the furnace body 11 and used for igniting flame, and the combustion chamber 12 penetrates through two side walls of the furnace body 11 to form a wind tunnel and is used for absorbing air and mixing with gas to complete combustion reaction.

Preferably, this lighter gas still is equipped with windshield 5 on the structure, windshield 5 sliding connection is on the other end of gas furnace 1, windshield 5 includes cover body 51 and first spring 52, cover body 51 sliding connection is on the other end of gas furnace 1, first spring 52 sets up between cover body 51 and gas furnace 1, the one end of first spring 52 is contradicted with the upper end of gas furnace 1, the other end is contradicted with cover body 51, it provides elasticity to reset to close for gas furnace 1, cover body 51 surrounds nozzle 13 from the side, when preventing the ignition, the air current on next door blows flame, improve the success rate of once only firing.

Example two

As shown in fig. 12, the same features in the reference embodiment are not repeated herein, and the differences thereof are as follows: the clamping piece 2 is also provided with an opening 23, the opening 23 breaks the clamping ring 21 to enable the clamping ring 21 to be deformed more easily, the clamping piece 2 is convenient to install in the groove 44 of the gas needle 41, the clamping piece 2 is provided with two deformation parts 22, the deformation parts 22 are staggered with the opening 23, the circumference of the inner ring of the clamping ring 21 occupied by the deformation parts is larger than 1/2, the stability of connection of the gas needle 41 and the gas furnace 1 can be ensured even if the clamping piece 2 is impacted by external force, when the lighter is assembled, the clamping piece 2 can be easily sleeved in the groove 44 of the gas needle 41, and then the gas needle 41 is tightly pressed on the gas furnace 1 through the sleeve 3.

EXAMPLE III

A lighter comprises the lighter gas structure mentioned in the first embodiment and the second embodiment, the lighter gas structure is combined on the body of the existing lighter, and a fire-leading device capable of generating stable flame can be obtained by matching a gas storage box and an ignition device.

The working process of the lighter is as follows:

the gas needle 41 on the air release valve 4 is driven by external force to go upwards, the air release valve 4 is communicated with the gas storage tank, after the gas needle 41 goes upwards, the air release valve 4 is opened, gas in the gas storage phase flows into the gas furnace 1 through the air release valve 4, after being mixed with air in the gas furnace 1, the gas is discharged and ignited by the ignition device to form flame, when the gas needle 41 goes upwards, the gas furnace 1 can be driven to move upwards to ensure the stable communication between the gas needle 41 and the combustion chamber 12, the clamping piece 2 is pressed by the sleeve 3 and is driven upwards by the gas needle 41, after the ignition is finished, the gas needle 41 and the gas furnace 1 both return under the elastic force action of the springs, the two springs act respectively, so that the clamping piece 2 cannot be subjected to the acting force on the air release valve 4 and the gas furnace 1, the deformation part 22 on the clamping piece 2 deforms towards the direction of the gas furnace 1, and the clamping needle 44 cannot be separated from the air release valve 4.

Variations and modifications to the above-described embodiments may occur to those skilled in the art based upon the disclosure and teachings of the above specification. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and modifications and variations of the present invention are also intended to fall within the scope of the appended claims. Furthermore, although specific terms are employed herein, such terms are used for convenience of description and are not to be construed as limiting the invention in any way.

Claims

1. A lighter gas structure, its characterized in that: including gas furnace (1), fastener (2), sleeve (3) and bleed valve (4), the pot head of bleed valve (4) is established in gas furnace (1), sleeve (3) registrate one of gas furnace (1) is served, fastener (2) are in gas furnace (1) with between sleeve (3), sleeve (3) will fastener (2) are fixed one of gas furnace (1) is served, fastener (2) joint is in on one of bleed valve (4), will bleed valve (4) with gas furnace (1) link together.

2. The lighter gas structure of claim 1, wherein:

the air release valve (4) comprises an air needle (41) and a groove (44), the air needle (41) is connected in the air release valve (4) in a sliding mode, and the groove (44) is formed in the outer wall of the air needle (41).

3. The lighter gas structure of claim 2, wherein:

fastener (2) include snap ring (21) and deformation portion (22), deformation portion (22) set up on the inner wall of snap ring (21) deformation portion (22) joint is in one of bleed valve (4) is served after, deformation portion (22) are followed snap ring (21) axial takes place to warp, is used for the restriction bleed valve (4) with relative movement takes place for gas furnace (1).

4. The lighter gas structure of claim 3, wherein:

the clamping piece (2) further comprises an opening (23), and the opening (23) is formed in the clamping ring (21).

5. The lighter gas structure of claim 4, wherein:

the sleeve (3) comprises a cup body (31) and a boss (32), the boss (32) is arranged on the bottom surface of the cup body (31), and the boss (32) is used for supporting when the sleeve (3) compresses the clamping piece (2).

6. The lighter gas structure of claim 5, wherein:

the gas furnace (1) comprises a deformation guiding part (14), wherein the deformation guiding part (14) is arranged on the end face, abutted against the clamping piece (2), of the gas furnace (1) and used for guiding the deformation part (22) to deform.

7. The lighter gas structure of claim 1, wherein:

the gas furnace (1) further comprises a combustion chamber (12), the combustion chamber (12) is arranged in the gas furnace (1), and the combustion chamber (12) is communicated with the air release valve (4).

8. The lighter gas structure of claim 1, wherein:

the clamping piece (2) is made of stainless steel through punching.

9. The lighter gas structure of any one of claims 1-8, wherein:

still include draft shield (5), draft shield (5) sliding connection be in on the other end of gas furnace (1), draft shield (5) are including the cover body (51) and first spring (52), cover body (51) sliding connection be in on the other end of gas furnace (1), first spring (52) set up the cover body (51) with between gas furnace (1).

10. A lighter, its characterized in that: comprising the lighter gas structure of any one of claims 1-9.