CN220103181U - Gun head of ignition gun and ignition gun convenient to assemble - Google Patents

Abstract

The utility model belongs to the technical field of igniters, and particularly relates to a gun head of an ignition gun and the ignition gun convenient to assemble. Aiming at the defects that the existing ignition gun is provided with an air vent piece which is arranged on an air outlet nozzle and needs to be aligned with the air outlet nozzle during assembly, and the assembly is inconvenient, the utility model adopts the following technical scheme: a gun head of an ignition gun, the gun head of the ignition gun comprising: a hollow clamping seat; the insulating mounting piece is arranged in the clamping seat and fixedly connected with the clamping seat and is provided with a through hole; the conductive piece is arranged in the mounting piece, fixedly connected with the mounting piece and the upper end of the conductive piece is higher than the mounting piece; and the conductive gun barrel is sleeved outside the clamping seat and is provided with a discharge electrode. The gun head of the ignition gun has the beneficial effects that: the mounting piece is not required to be aligned with the air outlet nozzle of the ignition gun during assembly, and the component is not required to be mounted on the air outlet nozzle, so that the assembly difficulty is reduced, and the assembly efficiency is improved.

Description

Gun head of ignition gun and ignition gun convenient to assemble

Technical Field

The utility model belongs to the technical field of igniters, and particularly relates to a gun head of an ignition gun and the ignition gun convenient to assemble.

Background

Most of existing open fire ignition guns are soft, and when the ignition wire, the loop wire and the air entraining hose are assembled, manual operation is needed, the assembly space is narrow, parts are small, assembly is difficult, and the automatic assembly is not suitable.

Aiming at the problem of unsuitable automatic assembly, the Chinese patent with the authority of the publication number CN 107013938B discloses the following scheme: the igniting gun with the hard ventilating conducting piece comprises a gun body and a gun barrel, wherein the gun body is provided with a gas chamber capable of storing liquefied combustible gas, the upper end of the gas chamber is provided with a piezoelectric component and a gas outlet nozzle, one electrode of the piezoelectric component is connected with the gas outlet nozzle, the upper part of the gun barrel is provided with a discharge electrode, the discharge electrode is connected with the other electrode of the piezoelectric component, and the igniting gun further comprises the hard ventilating conducting piece capable of simultaneously ventilating and conducting, and the hard ventilating conducting piece is in sealing plug connection with the gas outlet nozzle.

The ignition gun with the hard ventilation conductive piece is convenient to assemble, greatly improves the assembly efficiency and can meet the requirement of automatic assembly. However, in the ignition gun of the above patent, the rigid ventilation conductive member is directly or indirectly inserted into the air outlet nozzle during assembly, and alignment of the rigid ventilation conductive member and the air outlet nozzle is required during installation, so that the requirement on automatic assembly is high. In addition, in the ignition gun of the aforesaid patent, when the ignition, electrically conductive wane drives air outlet nozzle, the electrically conductive piece of hard ventilation and upwards moves, and the electrically conductive piece of hard ventilation is installed on the air outlet nozzle directly or indirectly promptly, and the electrically conductive piece of hard ventilation goes up and down along with the air outlet nozzle, and the requirement to the electrically conductive piece of hard ventilation is higher, and the unreliable ignition appears easily.

Disclosure of Invention

Aiming at the defects that the ventilation piece is arranged on the air outlet nozzle, the ventilation piece needs to be aligned with the air outlet nozzle during assembly and the assembly is inconvenient in the conventional ignition gun, the utility model provides the gun head of the ignition gun, so that the ventilation piece of the gun head is not arranged on the air outlet nozzle during assembly of the ignition gun, the ventilation piece does not need to be aligned with the air outlet nozzle, the assembly difficulty is reduced, and the assembly efficiency is improved. The utility model also provides an ignition gun which adopts the gun head and is convenient to assemble.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a gun head of an ignition gun, the gun head of the ignition gun comprising:

a hollow clamping seat;

the insulating mounting piece is arranged in the clamping seat and fixedly connected with the clamping seat and is provided with a through hole;

the conductive piece is arranged in the through hole of the mounting piece and fixedly connected with the mounting piece, and the upper end of the conductive piece is higher than the mounting piece;

the conductive gun barrel is sleeved outside the clamping seat and is provided with a discharge electrode;

wherein, the through hole of the mounting piece forms an air passage, and/or the conductive piece forms an air passage.

The gun head of the ignition gun comprises the clamping seat, the mounting piece, the conductive piece and the gun barrel, wherein the clamping seat, the mounting piece, the conductive piece and the gun barrel are assembled into a whole, the clamping seat is inserted into the gun body of the ignition gun and is clamped with the gun body, the mounting piece is not required to be aligned with the air outlet nozzle of the ignition gun during assembly, the mounting piece is not required to be mounted on the air outlet nozzle, the assembly difficulty is reduced, and the assembly efficiency is improved; the clamping seat, the mounting piece, the conductive piece and the gun barrel are assembled into a whole in an inserting mode. The mounting piece is directly or indirectly in sealing connection with the air outlet nozzle.

As an improvement, the gun head further comprises a sealing sleeve arranged at the lower end of the mounting piece, the sealing sleeve is fixedly connected with the mounting piece, and the sealing sleeve is provided with a hollow hole. The mounting is usually hard material, through setting up seal cover connection mounting and air outlet nozzle, the seal cover can adopt elastic material, and seal cover and air outlet nozzle, the sealing performance between the mounting are better, prevent gas leakage.

As an improvement, the sealing sleeve is in a convex shape, the upper end of the sealing sleeve is inserted into the mounting piece, and the sealing sleeve has elasticity and is tightly matched with the mounting piece.

As an improvement, the lower end of the hollow hole is provided with a chamfer so as to be beneficial to the inlet and outlet of the air outlet nozzle, and when a small deviation occurs, the air outlet nozzle can still smoothly enter the air outlet nozzle.

As an improvement, the aperture of the through hole is larger than the outer diameter of the conductive member; the upper end of the mounting piece is provided with a conical shrinkage opening;

as an improvement, the hollow hole is a stepped hole with a small upper part and a large lower part; the lower end of the conductive piece is inserted into the sealing sleeve, and the conductive piece is tightly matched with the sealing sleeve. The sealing sleeve is compressed inside and outside the conductive piece and the mounting piece, sealing is guaranteed, and the sealing sleeve is prevented from falling off.

As an improvement, the mounting piece has elasticity, and the lower end of the mounting piece forms a sealing part for sealing and inserting with the air outlet nozzle of the ignition gun.

As an improvement, the through hole comprises an upper small-diameter section, a lower large-diameter section and a transition section between the upper small-diameter section and the lower large-diameter section.

As an improvement, the conductive piece is a spring, and the rings of the spring are tightly combined; or, the conductive piece comprises an iron pipe and a igniting spring fixed at the upper end of the iron pipe.

As an improvement, the outer wall of the mounting piece is provided with a first section, a second section and a third section which are reduced in steps from top to bottom, and the upper end of the clamping seat is tightly matched with the second section and supports the first section. By adopting the structure, the mounting piece is ensured not to be separated from the clamping seat, the position of the mounting piece is ensured, and the distance between the mounting piece and the air outlet nozzle is ensured.

As a modification, the mount upper portion also forms a radial flange that mates with the barrel.

An ignition gun for ease of assembly, the ignition gun for ease of assembly comprising:

the gun body is provided with a liquid storage chamber capable of storing liquefied combustible gas;

a piezoelectric assembly located above the reservoir having a first pole and a second pole;

the air outlet nozzle is positioned above the liquid storage chamber;

a conductive rocker connecting the first pole of the piezoelectric assembly and the air outlet nozzle;

the key is arranged above the piezoelectric component;

the gun head is clamped with the gun body and is arranged above the air outlet nozzle;

wherein the gun head is the gun head;

wherein, when igniting, the gun head is fixed.

As the improvement of the ignition gun, the second pole of the piezoelectric component is connected to the gun barrel through a wire, a limit groove is formed in the gun body, and the upper end of the wire is positioned in the limit groove and horizontally arranged. By adopting the structure, all parts can be assembled in a plugging mode during assembly.

The gun head of the ignition gun has the beneficial effects that: the clamping seat, the mounting piece, the conductive piece and the gun barrel are assembled into a whole, the clamping seat is inserted into the gun body of the ignition gun and is clamped with the gun body, the clamping seat is fixedly connected with the gun body during assembly, the mounting piece is not required to be aligned with the air outlet nozzle of the ignition gun, the components are not required to be mounted on the air outlet nozzle, the assembly difficulty is reduced, and the assembly efficiency is improved; the clamping seat, the mounting piece, the conductive piece and the gun barrel are assembled into a whole in an inserting mode; the mounting member or the connector member mounted at the lower end thereof may not contact the outlet nozzle when not ignited. Through proper design of the sizes of all the components, the clamping seat and the gun body are aligned during installation.

The ignition gun provided by the utility model has the full beneficial effects of the gun head of the ignition gun.

Drawings

Fig. 1 is a schematic structural view of a lighting gun according to a first embodiment of the present utility model.

Fig. 2 is an exploded view of the ignition gun according to the first embodiment of the present utility model.

Fig. 3 is a cross-sectional view of a burning torch according to a first embodiment of the present utility model.

Fig. 4 is an exploded view of the tip of the ignition gun according to the first embodiment of the present utility model.

Fig. 5 is a cross-sectional view of a gun head of a firing gun according to a first embodiment of the present utility model.

Fig. 6 is a schematic structural view of a gun body of a igniting gun according to the first embodiment of the present utility model.

Fig. 7 is a schematic structural diagram of a bayonet socket of a gun head of a lighting gun according to a first embodiment of the present utility model.

Fig. 8 is a cross-sectional view of a mounting member of a gun head of a firing gun according to a first embodiment of the present utility model.

Fig. 9 is a schematic structural view of a barrel of a gun head of a firing gun according to a first embodiment of the present utility model.

Fig. 10 is a cross-sectional view of a sealing sleeve of a gun head of a firing gun according to a first embodiment of the present utility model.

Fig. 11 is a cross-sectional view of a firing gun according to a second embodiment of the present utility model.

Fig. 12 is a cross-sectional view of a burning torch according to a third embodiment of the present utility model.

Fig. 13 is a cross-sectional view of a burning torch according to a fourth embodiment of the present utility model.

In the figure, 1, a gun body; 11. a liquid storage chamber; 12. a limit groove; 13. an anti-drop groove;

2. a piezoelectric assembly;

3. an air outlet nozzle;

4. a conductive rocker;

5. a key;

6. a clamping seat;

7. a mounting member; 71. a through hole; 72. a first section; 73. a second section; 74. a third section; 75. necking;

8. a conductive member;

9. a barrel;

10. sealing sleeve; 101. a hollow hole; 102. and (5) rounding.

Detailed Description

The following description of the technical solutions of the inventive embodiments of the present utility model is provided only for the preferred embodiments of the utility model, but not all. Based on the examples in the implementation manner, other examples obtained by a person skilled in the art without making any inventive effort fall within the scope of protection created by the present utility model.

Example 1

Referring to fig. 1 to 10, an assembly-facilitating ignition gun according to a first embodiment of the present utility model includes:

a gun body 1 having a liquid storage chamber 11 for storing liquefied combustible gas;

a piezoelectric assembly 2 having a first pole and a second pole, located above the reservoir 11;

an air outlet nozzle 3 positioned above the liquid storage chamber 11;

a conductive rocker 4 connecting the first pole of the piezoelectric assembly 2 and the air outlet nozzle 3;

a key 5 disposed above the piezoelectric element 2;

a hollow clamping seat 6;

an insulating mounting member 7 provided in the clamping base 6 and fixedly connected to the clamping base 6, and having a through hole 71 in the height direction;

a conductive member 8 provided in the through hole 71 of the mount 7 and fixedly connected to the mount 7, and having an upper end higher than the mount 7;

the conductive gun barrel 9 is sleeved outside the clamping seat 6 and is provided with a discharge electrode and an air flow hole;

wherein, the clamping seat 6, the mounting piece 7, the conductive piece 8 and the conductive gun barrel 9 are assembled into a whole to form a gun head;

when the gun is ignited, the gun head is fixed.

In this embodiment, the gun head further includes a sealing sleeve 10 disposed at the lower end of the mounting member 7, the sealing sleeve 10 is fixedly connected with the mounting member 7, and the sealing sleeve 10 is provided with a hollow hole 101. The mounting piece 7 is usually made of hard materials, the mounting piece 7 and the air outlet nozzle 3 are connected through the sealing sleeve 10, the sealing sleeve 10 can be made of elastic materials, the sealing performance between the sealing sleeve 10 and the air outlet nozzle 3 as well as between the sealing sleeve 10 and the mounting piece 7 is good, and air leakage is prevented.

In this embodiment, the sealing sleeve 10 is in a convex shape, the upper end of the sealing sleeve 10 is inserted into the mounting member 7, and the sealing sleeve 10 has elasticity and is tightly matched with the mounting member 7.

In this embodiment, the chamfer 102 is formed at the lower end of the hollow hole 101 to facilitate the inlet and outlet of the air outlet nozzle 3, and when a small deviation occurs, the air outlet nozzle 3 can still smoothly enter the air outlet nozzle 3.

In this embodiment, the hollow hole 101 is a stepped hole with a small top and a large bottom; the lower end of the conductive piece 8 is inserted into the sealing sleeve 10, and the conductive piece 8 is tightly matched with the sealing sleeve 10. The sealing sleeve 10 is compressed inside and outside the conductive piece 8 and the mounting piece 7, sealing is ensured, and the sealing sleeve 10 is prevented from falling off.

In this embodiment, the conductive member 8 is a spring, and the coils of the spring are tightly connected with each other; alternatively, the conductive member 8 may be an iron pipe.

In this embodiment, the outer wall of the mounting member 7 forms a first section 72, a second section 73 and a third section 74 with reduced steps from top to bottom, and the upper end of the clamping seat 6 is tightly matched with the second section 73 and supports the first section 72. The first section 72, the second section 73 and the third section 74 are tapered with large upper portions and small lower portions. The mounting member 7 has a first section 72, a second section 73 and a third section 74, the outer diameter of the third section 74 is smaller than the inner diameter of the clamping seat 6, so that the mounting member 7 is conveniently inserted into the clamping seat 6, and the tight fit force between the clamping seat 6 and the mounting member 7 can be made appropriate by setting the second section 73 to a proper size. The third section 74 of the mounting member 7 is supported by the clamping seat 6, so that the mounting member 7 is prevented from being separated relative to the clamping seat 6, the position of the mounting member 7 is ensured, and the distance between the mounting member 7 and the air outlet nozzle 3 is ensured.

In this embodiment, the aperture of the through hole 71 is larger than the outer diameter of the conductive member 8; the upper end of the mounting piece 7 is provided with a conical necking 75; the upper part of the mount 7 also forms a radial flange which fits into the barrel 9.

In this embodiment, the second pole of the piezoelectric assembly 2 is connected to the barrel 9 through a wire, a limit groove 12 is formed in the gun body 1, and the upper end of the wire is located in the limit groove 12 and horizontally arranged. By adopting the structure, all parts can be assembled in a plugging mode during assembly.

In this embodiment, the end of the gun barrel 9, which is close to the key 5, is downwards convex to form a conductive part, and the end of the clamping seat 6, which is close to the key 5, is provided with a through groove through which the conductive part passes, and the conductive wire is connected to the conductive part.

In this embodiment, the upper end of the air outlet nozzle 3 is provided with a chamfer.

In this embodiment, the gun body 1 is provided with a clamping hole, the clamping seat 6 is provided with a clamping part, and the clamping seat 6 is clamped with the gun body 1.

In this embodiment, the clamping seat 6 is clamped with the gun barrel 9, a clamping block is formed on the clamping seat 6, and a clamping groove is formed on the gun barrel 9.

In this embodiment, the gun body 1 is provided with a drop-proof slot 13, and the key 5 is provided with a drop-proof block, the drop-proof block is inserted into the drop-proof slot 13, and the drop-proof slot 13 prevents the key 5 from dropping horizontally. Simultaneously, the anti-drop piece of button 5 is located clamping seat 6 below and clamping seat 6 stops, and button 5 can not vertically deviate from.

In this embodiment, when not ignited, the upper end of the air outlet nozzle 3 is located in the sealing sleeve 10, and the air outlet nozzle 3 is sealed with the sealing sleeve 10, so as to ensure that no air leakage exists between the air outlet nozzle 3 and the sealing sleeve 10.

In this embodiment, the primary function of the mounting member 7 is to mount the fixed conductive member 8. In this embodiment, the conductive member 8 is a spring, and the mounting member 7 also has an air-escape function. Although the springs are tightly combined with each other, the through holes 71 of the attachment 7 are used for ventilation, and thus the leakage is prevented.

In other embodiments, when the conductive member 8 is a steel tube plus a pilot spring (the pilot spring is inserted into the steel tube), the gas is passed through the steel tube without having to rely on the mounting member 7 to pass through the gas.

The ignition gun of the present embodiment is generally divided into two assemblies: the upper assembly comprises a clamping seat 6, a mounting piece 7, a conductive piece 8, a gun barrel 9, a sealing sleeve 10 and a key 5, and the lower assembly comprises a gun body 1, an air outlet nozzle 3, a piezoelectric component 2 and a conductive rocker 4. During assembly, the lower assembly and the upper assembly are assembled in advance, and then the clamping seat 6 and the key 5 of the upper assembly are aligned with the corresponding parts of the gun body 1, and the assembly is completed after insertion. When the lower assembly is assembled, the piezoelectric assembly 2 is only required to be placed in the corresponding position of the gun body 1.

The working principle of the ignition gun of the embodiment during ignition is as follows: pressing the button 5, button 5 drives electrically conductive wane 4 one end downwards, electrically conductive wane 4 and the one end of being connected of mouth 3 of giving vent to anger drive mouth 3 upward movement, liquid gasification in liquid storage chamber 11 is through giving vent to anger mouth 3, seal cover 10, electrically conductive 8 and installed part 7 (most gas is located electrically conductive 8, the fraction dissipates to in the installed part 7) reaches barrel 9 upper end discharge electrode department, realize giving vent to anger, simultaneously, electrically conductive wane 4 is connected in proper order to the first pole of piezoelectric element 2, give vent to anger mouth 3, electrically conductive 8, the second pole of piezoelectric element 2 passes through wire connection barrel 9, electrically conductive wane 4 of piezoelectric element 2, give vent to anger mouth 3, electrically conductive 8, barrel 9 forms electrically conductive return circuit (give vent to anger mouth 3 and electrically conductive 8 contact or be close enough, the wire contacts or is close enough with barrel 9).

The ignition gun of the first embodiment of the utility model has the beneficial effects that: the clamping seat 6, the mounting piece 7, the conducting piece 8 and the gun barrel 9 are assembled into a whole, the clamping seat 6 is inserted into the gun body 1 of the ignition gun and is clamped with the gun body 1, the mounting piece 7 is not required to be aligned with the air outlet nozzle 3 of the ignition gun during assembly, and components are not required to be mounted on the air outlet nozzle 3, so that the assembly difficulty is reduced, and the assembly efficiency is improved; because the relative positions of the clamping seat 6, the mounting piece 7 and the conductive piece 8 are fixed, the position between the air outlet nozzle 3 and the gun body 1 is constant, and the position between the clamping seat 6 and the gun body 1 is also fixed, so that the mounting piece 7 and the conductive piece 8 can be aligned with the air outlet nozzle 3; the clamping seat 6, the mounting piece 7, the conductive piece 8 and the gun barrel 9 are assembled into a whole in a plugging mode.

Example two

Referring to fig. 11, the ignition gun according to the second embodiment of the present utility model has a smaller height of the sealing sleeve 10 than the sealing sleeve 10 of the ignition gun according to the first embodiment, i.e., the sealing sleeve 10 according to the second embodiment is shorter. In the case of no ignition, the sealing sleeve 10 is not in contact with the outlet nozzle 3.

Example III

Referring to fig. 12, in the third embodiment of the present utility model, the mounting member 7 has elasticity, and the lower end of the mounting member 7 forms a sealing portion for sealing and inserting with the air outlet nozzle 3. Compared with the first embodiment, the third embodiment omits a sealing sleeve.

In the third embodiment, the through hole 71 includes a small diameter section at the upper end, a large diameter section at the lower end, and a transition section therebetween. The lower end of the large-diameter section forms a chamfer. The transition section and the large diameter section form the seal.

In the third embodiment, the conductive member 8 includes an iron pipe and a igniting spring fixed to the upper end of the iron pipe. The ignition spring is inserted into the iron pipe and is tightly matched with the iron pipe. The iron pipe is tightly matched with the mounting piece 7.

In the third embodiment, the mounting member 7 can satisfy the related requirements by appropriately setting the material, shape and size of the mounting member 7.

Example IV

Referring to fig. 13, in the ignition gun according to the fourth embodiment of the present utility model, the mounting member 7 has elasticity, and a sealing portion for sealing and inserting with the air outlet nozzle 3 is formed at the lower end of the mounting member 7. Compared with the first embodiment, the fourth embodiment omits a sealing sleeve.

In the fourth embodiment, the through hole 71 includes a small diameter section at the upper end, a large diameter section at the lower end, and a transition section therebetween. The lower end of the large-diameter section forms a chamfer.

In the fourth embodiment, the mounting member 7 can satisfy the related requirements by appropriately setting the material, shape and size of the mounting member 7.

In the fourth embodiment, the conductive member 8 is a spring. The spring is in close fit with the mounting 7.

Examples of the tip of the ignition gun

Referring to fig. 1 to 11, a gun head of an ignition gun according to an embodiment of the present utility model includes:

a hollow clamping seat 6;

an insulating mounting member 7 provided in the clamping seat 6 and fixedly connected to the clamping seat 6, and having a through hole 71;

a conductive member 8 provided in the through hole 71 of the mount 7 and fixedly connected to the mount 7, and having an upper end higher than the mount 7;

the conductive gun barrel 9 is sleeved outside the clamping seat 6 and is provided with a discharge electrode.

Wherein the conductive member 8 forms an air passage and/or the through hole 71 of the mounting member 7 forms an air passage.

In this embodiment, the gun head further comprises a sealing sleeve 10. While the utility model has been described in terms of specific embodiments, it will be apparent to those skilled in the art that the utility model is not limited to the specific embodiments described. Any modifications which do not depart from the functional and structural principles of the present utility model are intended to be included within the scope of the appended claims.

Claims (10)

1. A gun head of an ignition gun, characterized in that: the gun head of the ignition gun comprises:

a hollow clamping seat (6);

an insulating mounting piece (7) which is arranged in the clamping seat (6) and fixedly connected with the clamping seat (6) and is provided with a through hole (71);

a conductive member (8) which is provided in a through hole (71) of the mounting member (7) and is fixedly connected to the mounting member (7), and the upper end of which is higher than the mounting member (7);

a conductive gun barrel (9) sleeved outside the clamping seat (6) and provided with a discharge electrode;

wherein the through hole (71) of the mounting piece (7) forms an air passage, and/or the conductive piece (8) forms an air passage.

2. A gun head of an ignition gun as defined in claim 1, wherein: the gun head further comprises a sealing sleeve (10) arranged at the lower end of the mounting piece (7), the sealing sleeve (10) is fixedly connected with the mounting piece (7), and the sealing sleeve (10) is provided with a hollow hole (101).

3. A gun head of an ignition gun as defined in claim 2, wherein: the sealing sleeve (10) is in a convex shape, the upper end of the sealing sleeve (10) is inserted into the mounting piece (7), and the sealing sleeve (10) has elasticity and is tightly matched with the mounting piece (7); the hollow hole (101) is a stepped hole with a small upper part and a large lower part; the lower end of the conductive piece (8) is inserted into the sealing sleeve (10), and the conductive piece (8) is tightly matched with the sealing sleeve (10); the lower end of the hollow hole (101) is provided with a chamfer (102).

4. A gun head of an ignition gun as defined in claim 2, wherein: the aperture of the through hole (71) is larger than the outer diameter of the conductive member (8); the upper end of the mounting piece (7) is provided with a conical necking (75).

5. A gun head of an ignition gun as defined in claim 1, wherein: the mounting piece (7) has elasticity, and a sealing part for sealing and inserting with the air outlet nozzle (3) of the ignition gun is formed at the lower end of the mounting piece (7).

6. A gun head of an ignition gun as defined in claim 5, wherein: the through hole (71) comprises an upper small-diameter section, a lower large-diameter section and a transition section between the upper small-diameter section and the lower large-diameter section.

7. A gun head of an ignition gun according to any one of claims 1 to 6, characterized in that: the conductive piece (8) is a spring; or, the conductive piece (8) comprises an iron pipe and a igniting spring fixed at the upper end of the iron pipe.

8. A gun head of an ignition gun according to any one of claims 1 to 6, characterized in that: the outer wall of the mounting piece (7) is provided with a first section (72), a second section (73) and a third section (74) which are reduced in steps from top to bottom, and the upper end of the clamping seat (6) is tightly matched with the second section (73) and supports the first section (72); the upper part of the mounting (7) also forms a radial flange which is adapted to the barrel (9).

9. An ignition gun convenient to assembly, its characterized in that: the ignition gun convenient to assembly includes:

a gun body (1) provided with a liquid storage chamber (11) capable of storing liquefied combustible gas;

a piezoelectric assembly (2) located above the reservoir (11) and having a first pole and a second pole;

the air outlet nozzle (3) is positioned above the liquid storage chamber (11);

a conductive rocker (4) connecting the first pole of the piezoelectric assembly (2) with the air outlet nozzle (3);

the key (5) is arranged above the piezoelectric component (2);

the gun head is clamped with the gun body (1) and is arranged above the air outlet nozzle (3);

wherein the gun head is the gun head of any one of claims 1 to 8;

wherein, when igniting, the gun head is fixed.

10. An assembled ignition gun according to claim 9, wherein: the second pole of the piezoelectric component (2) is connected to the gun barrel (9) through a wire, a limit groove (12) is formed in the gun body (1), and the upper end of the wire is positioned in the limit groove (12) and is horizontally arranged.