CN217635745U - Igniter air outlet structure - Google Patents
Igniter air outlet structure Download PDFInfo
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- CN217635745U CN217635745U CN202221552896.0U CN202221552896U CN217635745U CN 217635745 U CN217635745 U CN 217635745U CN 202221552896 U CN202221552896 U CN 202221552896U CN 217635745 U CN217635745 U CN 217635745U
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Abstract
The utility model discloses an igniter gas outlet structure, which is arranged at the upper end of a gas box and comprises an inner machine head, wherein the inner machine head is fixedly arranged at the upper end of the gas box, a valve inside for adjusting the gas outlet amount is arranged in the inner machine head, the upper end of the inner machine head is in threaded connection with a screw cap, the lower end of the screw cap is fixedly connected with the upper end of the valve inside, and the valve inside is driven to move along the vertical direction when the screw cap rotates; and the thread cap and the valve core are internally provided with a gas needle assembly. By adopting the connection mode, the upper end of the AS plastic gas tank does not need to be processed with a threaded hole, and the production efficiency is greatly improved by directly welding the inner machine head at the upper end of the gas tank by ultrasonic waves.
Description
Technical Field
The utility model relates to an some firearm technical field especially relates to an some firearm structure of giving vent to anger.
Background
In the existing igniter such as a flame gun, a lighter and the like, the gas outlet structure is usually in threaded connection with the gas box body in the production process, the gas outlet structure needs to be manually assembled on the gas box after tapping on the gas box body, and the igniter has the advantages of complex process, low assembly efficiency and high cost; in addition, the gas tank body made of AS plastic is fragile and is easy to break during tapping.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects existing in the prior art, the utility model provides an igniter gas outlet structure.
The technical scheme of the utility model is realized like this:
an igniter air outlet structure is arranged at the upper end of an air box and comprises an inner machine head, the inner machine head is fixedly arranged at the upper end of the air box, a valve core used for adjusting air outlet quantity is arranged in the inner machine head, the upper end of the inner machine head is in threaded connection with a threaded cap, the lower end of the threaded cap is fixedly connected with the upper end of the valve core, and the valve core is driven to move along the vertical direction when the threaded cap rotates; and the thread cap and the valve core are internally provided with a gas needle assembly.
Furthermore, a first valve hole with an opening at the upper end is arranged in the inner machine head, a second valve hole extending downwards is arranged at the lower end of the first valve hole in the inner machine head, and an air outlet hole extending downwards and communicated with the air box is arranged at the lower end of the second valve hole in the inner machine head; threaded cap threaded connection is in first valve hole, sliding connection has been cup jointed in the outside of valve core at the downthehole first sealing washer of second valve, the lower extreme of valve core is equipped with the packing ring, the outside of packing ring is equipped with the back taper, the back taper is used for adjusting the air output with the upper end cooperation of venthole.
Further, the gasket is made of a nitrile-butadiene rubber material; compared with the gasket made of a copper material in the prior art, the gasket made of the nitrile rubber can be extruded and deformed to enable the sealing effect to be better when being matched with the upper end of the air outlet hole, is small in abrasion and is good in hand feeling when the threaded cap is rotated.
Furthermore, the air needle assembly comprises an air outlet needle, a first mounting hole is formed in the threaded cap, a second mounting hole communicated with the first mounting hole is formed in the valve core, a first air hole extending downwards is formed in the bottom of the second mounting hole in the valve core, a second air hole communicated with the first air hole is formed in the side wall of the valve core, and the second air hole is located below the first sealing ring; the air outlet needle is positioned in the first mounting hole and the second mounting hole, the upper end of the air outlet needle extends upwards out of the threaded cap, and the lower end of the air outlet needle is provided with a valve nail for opening or closing the first air hole; the outside of giving vent to anger the needle is equipped with annular bulge, it has first spring to go out to cup joint on the needle of giving vent to anger, first spring is used for forcing valve needle to drive the valve nail and compresses tightly in the upper end of first gas pocket.
Through above-mentioned technical scheme, the during operation of gas needle subassembly, the needle of giving vent to anger drives valve nail upward movement and opens first gas pocket, and other combustible of gas incasement flow by the upper end of giving vent to anger needle through venthole, second valve opening, second gas pocket, first gas pocket, and when loosening the venthole, first spring forces the needle of giving vent to anger to drive valve nail and compresses tightly and close first gas pocket in the upper end of first gas pocket.
Furthermore, a second sealing ring is arranged at the upper end of the first mounting hole, a spring cushion positioned below the second sealing ring is sleeved outside the air outlet needle, the upper end of the first spring is abutted against the spring cushion, and the second sealing ring is tightly pressed at the connecting part of the air outlet needle and the threaded cap; the second sealing ring is arranged to prevent gas leakage.
Further, the inner handpiece is made of a plastic material.
Implement the utility model discloses a this kind of some firearm structure of giving vent to anger has following beneficial effect: the inner machine head in the air outlet structure is welded in the air tank through ultrasonic waves, the threaded cap is in threaded connection with the upper end of the inner machine head and is connected with the valve inside, the upper end of the AS plastic air tank does not need to be provided with a threaded hole by adopting the connection mode, and the production efficiency is greatly improved by directly welding the inner machine head at the upper end of the air tank through the ultrasonic waves; in addition, compared with the gasket made of a copper material in the prior art, the gasket made of the nitrile rubber can be extruded and deformed to enable the sealing effect to be better when being matched with the upper end of the air outlet hole, is small in abrasion and is good in hand feeling when the threaded cap is rotated.
Drawings
Fig. 1 is a perspective view of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic view of the structure of the present invention installed in an air box;
fig. 4 is a partially enlarged view of a portion a of fig. 3.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 4, the igniter venting structure of the present invention is installed at the upper end of an air box 1, and includes an inner handpiece 2 made of plastic material, the inner handpiece 2 is fixedly installed at the upper end of the air box 1 by ultrasonic welding, a valve inside 3 for adjusting the venting amount is arranged in the inner handpiece 2, the upper end of the inner handpiece 2 is connected with a screw cap 4 by a thread, the lower end of the screw cap 4 is fixedly connected with the upper end of the valve inside 3, and the screw cap 4 drives the valve inside 3 to move along the vertical direction when rotating; and air needle assemblies are arranged in the threaded cap 4 and the valve core 3. The connection mode is adopted, so that the upper end of the AS plastic air box 1 does not need to be provided with a threaded hole, and the inner machine head 2 is directly and ultrasonically welded on the upper end of the air box 1, so that the production efficiency is greatly improved.
A first valve hole 2a with an opening at the upper end is formed in the inner machine head 2, a second valve hole 2b extending downwards is formed in the inner machine head 2 at the lower end of the first valve hole 2a, and an air outlet hole 2c extending downwards and communicated with the air box 1 is formed in the lower end of the second valve hole 2b of the inner machine head 2; 4 threaded connection of screw cap is in first valve opening 2a, two first sealing washer 5 of sliding connection in second valve opening 2b have been cup jointed in the outside of valve core 3, the lower extreme of valve core 3 is equipped with packing ring 6, the outside of packing ring 6 is equipped with back taper 6a, back taper 6a is used for adjusting the air output with venthole 2 c's upper end cooperation. When the threaded cap 4 is rotated, the gasket 6 is driven to move upwards through the valve core 3, the distance between the inverted conical surface 6a and the upper end of the air outlet hole 2c is increased, and the air outlet amount is increased; when the threaded cap 4 rotates reversely and the gasket 6 is driven to move downwards by the valve core 3, the distance between the inverted conical surface 6a and the upper end of the air outlet hole 2c is increased, and the air outlet quantity is reduced. In addition, the gasket 6 is made of a butadiene-acrylonitrile rubber material; compared with the gasket 6 made of a copper material in the prior art, the gasket 6 made of the nitrile rubber has the advantages that when the gasket 6 is matched with the upper end of the air outlet hole 2c, the gasket 6 made of the nitrile rubber can be extruded and deformed, so that the sealing effect is better, the abrasion is small, and the hand feeling is good when the threaded cap 4 is rotated.
The air needle assembly comprises an air outlet needle 7, a first mounting hole 4a is formed in the threaded cap 4, a second mounting hole 3a communicated with the first mounting hole 4a is formed in the valve core 3, a first air hole 3b extending downwards is formed in the valve core 3 at the bottom of the second mounting hole 3a, a second air hole 3c communicated with the first air hole 3b is formed in the side wall of the valve core 3, and the second air hole 3c is located below the first sealing ring 5; the air outlet needle 7 is positioned in the first mounting hole 4a and the second mounting hole 3a, the upper end of the air outlet needle 7 extends upwards out of the threaded cap 4, and the lower end of the air outlet needle is provided with a valve nail 8 for opening or closing the first air hole 3 b; the outer side of the air outlet needle 7 is provided with an annular bulge 7a, the air outlet needle 7 is sleeved with a first spring 9, and the first spring 9 is used for forcing the air valve needle to drive the valve nail 8 to be tightly pressed at the upper end of the first air hole 3 b. A second sealing ring 10 is arranged at the upper end of the first mounting hole 4a, a spring cushion 11 positioned below the second sealing ring 10 is sleeved on the outer side of the air outlet needle 7, the upper end of the first spring 9 abuts against the spring cushion 11, and the second sealing ring 10 is tightly pressed at the connecting part of the air outlet needle 7 and the threaded cap 4; the provision of the second seal ring 10 prevents gas leakage.
In this embodiment, the during operation of air needle subassembly, air outlet needle 7 drives valve nail 8 upward movement and opens first gas pocket 3b, and combustible others in the gas tank 1 flow out by air outlet needle 7's upper end through air outlet 2c, second valve hole 2b, second gas pocket 3c, first gas pocket 3b, and when loosening air outlet needle 7, first spring 9 forces air outlet needle 7 to drive valve nail 8 and compresses tightly and close first gas pocket 3b in first gas pocket 3 b's upper end.
The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An igniter gas outlet structure is arranged at the upper end of a gas tank and comprises an inner machine head, and the igniter gas outlet structure is characterized in that the inner machine head is fixedly arranged at the upper end of the gas tank, a valve core for adjusting gas outlet amount is arranged in the inner machine head, the upper end of the inner machine head is in threaded connection with a threaded cap, the lower end of the threaded cap is fixedly connected with the upper end of the valve core, and the valve core is driven to move along the vertical direction when the threaded cap rotates; and the thread cap and the valve core are internally provided with a gas needle assembly.
2. The igniter venting structure according to claim 1, wherein a first valve hole with an open upper end is formed in the inner handpiece, a second valve hole extending downwards is formed in the inner handpiece at the lower end of the first valve hole, and a venting hole extending downwards and communicated with the gas tank is formed in the inner handpiece at the lower end of the second valve hole; threaded cap threaded connection is in first valve hole, sliding connection has been cup jointed in the outside of valve core at the downthehole first sealing washer of second valve, the lower extreme of valve core is equipped with the packing ring, the outside of packing ring is equipped with the back taper, the back taper is used for adjusting the air output with the upper end cooperation of venthole.
3. The igniter venting structure of claim 2 wherein said gasket is formed of a nitrile rubber material.
4. The igniter venting structure according to claim 2, wherein the gas needle assembly comprises a gas needle, a first mounting hole is formed in the threaded cap, a second mounting hole communicated with the first mounting hole is formed in the valve core, a first gas hole extending downwards is formed in the valve core at the bottom of the second mounting hole, a second gas hole communicated with the first gas hole is formed in the side wall of the valve core, and the second gas hole is located below the first sealing ring; the air outlet needle is positioned in the first mounting hole and the second mounting hole, the upper end of the air outlet needle extends upwards out of the threaded cap, and the lower end of the air outlet needle is provided with a valve nail for opening or closing the first air hole; the outside of giving vent to anger the needle is equipped with annular bulge, it has first spring to go out to cup joint on the needle of giving vent to anger, first spring is used for forcing valve needle to drive the valve nail and compresses tightly in the upper end of first gas pocket.
5. The igniter gas outlet structure according to claim 4, wherein a second sealing ring is arranged at the upper end of the first mounting hole, a spring cushion located below the second sealing ring is sleeved on the outer side of the gas outlet needle, and the upper end of the first spring abuts against the spring cushion and presses the second sealing ring at the joint of the gas outlet needle and the threaded cap.
6. The igniter venting structure of claim 1 wherein said inner nose is formed of a plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221552896.0U CN217635745U (en) | 2022-06-21 | 2022-06-21 | Igniter air outlet structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221552896.0U CN217635745U (en) | 2022-06-21 | 2022-06-21 | Igniter air outlet structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217635745U true CN217635745U (en) | 2022-10-21 |
Family
ID=83629127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221552896.0U Active CN217635745U (en) | 2022-06-21 | 2022-06-21 | Igniter air outlet structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217635745U (en) |
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2022
- 2022-06-21 CN CN202221552896.0U patent/CN217635745U/en active Active
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