CN209857105U - Igniter inflating structure - Google Patents
Igniter inflating structure Download PDFInfo
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- CN209857105U CN209857105U CN201920247006.7U CN201920247006U CN209857105U CN 209857105 U CN209857105 U CN 209857105U CN 201920247006 U CN201920247006 U CN 201920247006U CN 209857105 U CN209857105 U CN 209857105U
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Abstract
The utility model belongs to the technical field of the small-size some firearm, concretely relates to some firearm gas filled structure. The not enough of gas chamber possible explosion to current some firearm, the utility model discloses a following technical scheme: the utility model provides an some firearm gas filled structure, includes the bottom, sets up the vertical inlet port that link up on the bottom, the inlet port includes seal segment and close-fitting section, the seal segment is located close-fitting section top, the seal segment aperture is less than close-fitting section aperture, be equipped with elastic sealing element in the seal segment, be equipped with tight fitting spare in the close-fitting section. The utility model discloses a some firearm gas filled structure's beneficial effect is: when the pressure in the gas chamber is too large and is larger than a value in a certain range, pressure difference is generated between the upper part and the lower part of the elastic sealing piece (or the elastic sealing piece and the tight fitting piece), the elastic sealing piece and the tight fitting piece move downwards under the action of the pressure, the sealing of the elastic sealing piece and the sealing section of the gas inlet hole is removed, and the pressure in the gas chamber is released, so that explosion events are prevented, and the use safety is ensured.
Description
Technical Field
The utility model belongs to the technical field of the small-size some firearm, concretely relates to some firearm gas filled structure.
Background
The existing small-sized igniter such as a lighter or an ignition gun is provided with a gas chamber for storing liquefied combustible gas, when the gas chamber is subjected to abnormal conditions such as temperature rise, the pressure of the gas chamber is too large, the igniter can explode, and the safety hazard is realized.
For the emergence that prevents the explosion condition of some firearm, set up pressure release explosion-proof structure on some firearm, when the gas chamber internal gas pressure was too big, make the gas chamber pressure release through pressure release explosion-proof structure to guarantee safety.
Disclosure of Invention
The utility model discloses there is not the pressure release structure in the gas chamber to current some firearm, and the not enough of probably exploding provides an some firearm gas filled structure, and it is different from current some firearm gas filled structure, when the gas chamber internal gas pressure is too big, but automatic pressure release to guarantee safe in utilization.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an some firearm gas filled structure, includes the bottom, sets up the vertical inlet port that link up on the bottom, the inlet port includes seal segment and close-fitting section, the seal segment is located close-fitting section top, the seal segment aperture is less than close-fitting section aperture, be equipped with elastic sealing element in the seal segment, be equipped with tight fitting spare in the close-fitting section.
The utility model discloses a some firearm gas filled structure, it is sealed with the seal segment of inlet port through elastic sealing element, guarantee sealing performance, tight fitting section tight-fitting through tight fitting spare and inlet port, pressure when in the gas chamber is too big, when being greater than the default of certain limit, the pressure differential is produced from top to bottom to elastic sealing element (perhaps elastic sealing element and tight fitting spare), elastic sealing element and tight fitting spare move down under the pressure effect, elastic sealing element removes sealedly with the seal segment of inlet port, the indoor pressure of gas obtains the release, thereby prevent the emergence of explosion incident, guarantee safe in utilization. The tight fit degree (or the tight fit force) between the elastic sealing element and the bottom cover and between the tight fitting element and the bottom cover is designed and tested to meet corresponding requirements.
As the improvement, the tight fitting part is a plastic part, and the elastic sealing element is a rubber plug.
As a refinement, the plastic part has an insertion portion and a sealing portion, the insertion portion is located above the sealing portion, the insertion portion has a smaller aperture than the sealing portion, the elastic sealing member has a sealing hole, and the insertion portion is inserted into the sealing hole. The plastic part and the elastic sealing element can be assembled into a whole in advance through the insertion part and the sealing hole, and compared with the upper and lower stacking of the plastic part and the elastic sealing element, the plastic part and the elastic sealing element are required to be respectively installed in sequence. In other embodiments, the plastic part and the elastic seal can also be stacked only one on top of the other.
As an improvement, the air inlet also comprises an accommodating section positioned above the sealing section, the aperture of the accommodating section is smaller than that of the sealing section, the insertion part of the plastic part is higher than the elastic sealing part, and the upper end of the insertion part is positioned in the accommodating section.
As an improvement, the air inlet also comprises an upper end section positioned above the containing section, and the aperture of the upper end section is smaller than that of the containing section.
As an improvement, the air inlet also comprises an air inlet nozzle section positioned below the tight fitting section, and the aperture of the air inlet nozzle section is larger than that of the tight fitting section.
As an improvement, the lower end of the air inlet nozzle section is chamfered; the lower end of the tight fitting section is chamfered; the lower end of the accommodating section is chamfered.
As an improvement, the rubber stopper is bowl-shaped, and the arc-shaped surface of the rubber stopper faces upwards.
As the improvement, the tight-fitting section inner wall of inlet port extends and forms many vertical sand grips, many sand grips circumference equipartition.
As an improvement, the lower end of the convex strip is provided with an inclined surface, so that the tight fitting piece can be easily slid in.
As an improvement, the lower end of the bottom cover is provided with a groove, and the side wall of the groove of the bottom cover at the air inlet extends partially to form a limiting part.
The utility model discloses a some firearm gas filled structure's beneficial effect is: when the pressure in the gas chamber is too large and is larger than a preset value in a certain range, pressure difference is generated between the upper part and the lower part of the elastic sealing piece (or the elastic sealing piece and the tight fitting piece), the elastic sealing piece and the tight fitting piece move downwards under the action of pressure, the sealing of the elastic sealing piece and the sealing section of the gas inlet hole is removed, and the pressure in the gas chamber is released, so that explosion events are prevented, and the use safety is ensured.
Drawings
Fig. 1 and 2 are schematic perspective views of an igniter inflation structure according to a first embodiment of the present invention.
Fig. 3 is a sectional view of an igniter inflation structure according to a first embodiment of the present invention.
Fig. 4 is a cross-sectional view of an igniter bottom cap according to a first embodiment of the present invention.
Fig. 5 is a schematic diagram of the igniter inflation process according to the first embodiment of the present invention.
Fig. 6 is a sectional view of an igniter inflation structure according to a second embodiment of the present invention.
In the figure, 1, a bottom cover, 11, an upper end section, 12, an accommodating section, 13, a sealing section, 14, a close fitting section, 15, an air inlet nozzle section, 16, a convex strip, 17 and a limiting part;
2. an elastomeric seal;
3. fastening the fitting;
4. an air inlet nozzle;
5. and (4) a thimble.
Detailed Description
The technical solutions of the embodiments of the present invention will be explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and are not all embodiments. Other embodiments obtained by persons skilled in the art without any inventive work based on the embodiments in the embodiment belong to the protection scope of the invention.
Referring to fig. 1 to 6 the utility model discloses a some firearm gas filled structure, including the bottom, set up the vertical inlet port that link up on the bottom, the inlet port includes seal segment and tight-fitting section, the seal segment is located tight-fitting section top, the seal segment aperture is less than tight-fitting section aperture, be equipped with elastic sealing element in the seal segment, be equipped with the tight fitting part in the tight-fitting section.
The utility model discloses a some firearm gas filled structure, it is sealed with the seal segment of inlet port through elastic sealing element, guarantee sealing performance, tight fitting section tight-fitting through tight fitting spare and inlet port, pressure when in the gas chamber is too big, when being greater than the default of certain limit, the pressure differential is produced from top to bottom to elastic sealing element (perhaps elastic sealing element and tight fitting spare), elastic sealing element and tight fitting spare move down under the pressure effect, elastic sealing element removes sealedly with the seal segment of inlet port, the indoor pressure of gas obtains the release, thereby prevent the emergence of explosion incident, guarantee safe in utilization. The tight fit degree (or the tight fit force) between the elastic sealing element and the bottom cover and between the tight fitting element and the bottom cover is designed and tested to meet corresponding requirements.
Example one
Referring to fig. 1 to 5, the utility model provides a pair of some firearm air-filling structure, including bottom 1, set up the vertical inlet port that link up on the bottom 1, the inlet port includes seal segment 13 and tight fit section 14, seal segment 13 is located tight fit section 14 top, seal segment 13 aperture is less than tight fit section 14 aperture, be equipped with elastic sealing element 2 in the seal segment 13, be equipped with tight fitting part 3 in the tight fit section 14.
As an improvement, the tight fitting 3 is a plastic piece, and the elastic sealing member 2 is a rubber plug.
As a modification, the plastic member has an insertion portion located above the sealing portion, the insertion portion having a smaller hole diameter than the sealing portion, and a sealing portion, and the elastic sealing member 2 has a sealing hole into which the insertion portion is inserted. The plastic member and the elastic sealing member 2 may be assembled in advance into a single body through the insertion portion and the sealing hole, and compared with the case where the plastic member and the elastic sealing member 2 are stacked up and down, it is necessary to sequentially mount the plastic member and the elastic sealing member 2, respectively.
As a modification, the air inlet also comprises an accommodating section 12 positioned above the sealing section 13, the aperture of the accommodating section 12 is smaller than that of the sealing section 13, the insertion part of the plastic part is higher than the elastic sealing element 2, and the upper end of the insertion part is positioned in the accommodating section 12.
As a modification, the air inlet also comprises an upper end section 11 positioned above the containing section 12, and the aperture of the upper end section 11 is smaller than that of the containing section 12.
As an improvement, the air inlet also comprises an air inlet nozzle section 15 positioned below the tight fitting section 14, and the aperture of the air inlet nozzle section 15 is larger than that of the tight fitting section 14.
As a modification, the lower end of the air inlet nozzle section 15 is chamfered; the lower end of the tight fitting section 14 is chamfered; the lower end of the sealing section 13 is chamfered.
As an improvement, the rubber stopper is bowl-shaped, and the arc-shaped surface of the rubber stopper faces upwards.
As the improvement, the inner wall of the tight fitting section 14 of the air inlet hole extends to form a plurality of vertical convex strips 16, and the plurality of convex strips 16 are uniformly distributed on the circumference.
As an improvement, the lower end of the convex strip 16 has a slope, so that the fastening part 3 can be easily slid in.
As a modification, the lower end of the bottom cover 1 is provided with a groove, and the side wall of the groove of the bottom cover 1 at the air inlet extends partially to form a limit part 17.
Referring to fig. 5, before the igniter is inflated, the bottom cover 1 can be inverted, the fastening part 3 is inserted into the elastic sealing element 2 to form an integral assembly, then the assembly is inserted into the tight fitting section of the air inlet, at this time, the inflating device with the inflating nozzle 4 and the ejector pin 5 is aligned to the air inlet section 15 of the air inlet to inflate the igniter, after the inflation is completed, the ejector pin 5 pushes the fastening part 3, the assembly moves integrally, and the elastic sealing element 2 seals the sealing section of the air inlet.
The utility model discloses some firearm gas filled structure's beneficial effect is: when the pressure in the gas chamber is too large and is larger than the preset value in a certain range, the elastic sealing element 2 and the tight fitting element 3 generate pressure difference from top to bottom, the elastic sealing element 2 and the tight fitting element 3 move downwards under the action of pressure, the elastic sealing element 2 and the sealing section 13 of the gas inlet hole are removed from sealing, and the pressure in the gas chamber is released, so that explosion events are prevented, and the use safety is ensured.
Example two
The difference between the second embodiment and the first embodiment is that: an elastic sealing member 2 and a tight fitting member 3.
Referring to fig. 6, the plastic part is cylindrical, the elastic sealing member 2 is bowl-shaped, the elastic sealing member 2 is solid, and the plastic part and the elastic sealing member 2 are stacked up and down.
Other structures and effects of the second embodiment are the same as those of the first embodiment, and are not described herein.
While the invention has been described in connection with specific embodiments thereof, it will be understood by those skilled in the art that the invention is not limited thereto but may be embodied as follows, including without limitation those illustrated in the accompanying drawings and described in the foregoing detailed description. Any modification which does not depart from the functional and structural principles of the invention is intended to be included within the scope of the following claims.
Claims (10)
1. The utility model provides an some firearm air inflation structure, includes bottom (1), sets up the vertical inlet port that link up on bottom (1), its characterized in that: the air inlet comprises a sealing section (13) and a tight-fitting section (14), wherein the sealing section (13) is located above the tight-fitting section (14), the aperture of the sealing section (13) is smaller than that of the tight-fitting section (14), an elastic sealing element (2) is arranged in the sealing section (13), and a tight-fitting part (3) is arranged in the tight-fitting section (14).
2. An igniter inflation structure as defined in claim 1, wherein: the tight fitting part (3) is a plastic part, and the elastic sealing element (2) is a rubber plug.
3. An igniter inflation structure as defined in claim 2, wherein: the plastic part is provided with an insertion part and a sealing part, the insertion part is positioned above the sealing part, the aperture of the insertion part is smaller than that of the sealing part, the elastic sealing element (2) is provided with a sealing hole, and the insertion part is inserted into the sealing hole.
4. An igniter inflation structure as defined in claim 3, wherein: the air inlet also comprises an accommodating section (12) positioned above the sealing section (13), the aperture of the accommodating section (12) is smaller than that of the sealing section (13), the inserting part of the plastic part is higher than the elastic sealing part (2), and the upper end of the inserting part is positioned in the accommodating section (12).
5. An igniter inflation structure as defined in claim 4, wherein: the air inlet also comprises an upper end section (11) positioned above the containing section (12), and the aperture of the upper end section (11) is smaller than that of the containing section (12).
6. An igniter inflation structure as defined in claim 4, wherein: the air inlet also comprises an air inlet nozzle section (15) positioned below the tight fitting section (14), and the aperture of the air inlet nozzle section (15) is larger than that of the tight fitting section (14).
7. An igniter inflation structure as defined in claim 6, wherein: the lower end of the air inlet nozzle section (15) is chamfered; the lower end of the tight fitting section (14) is chamfered; the lower end of the sealing section (13) is chamfered.
8. An igniter inflation structure as defined in claim 2, wherein: the rubber stopper is bowl-shaped, and the arc face of rubber stopper is up.
9. An igniter inflation structure as defined in claim 1, wherein: the tight-fitting section (14) inner wall of inlet port extends and forms many vertical sand grips (16), many sand grips (16) circumference equipartition.
10. An igniter inflation structure as defined in claim 9, wherein: the lower end of the convex strip (16) is provided with an inclined plane; the lower end of the bottom cover (1) is provided with a groove, and the side wall of the groove, positioned at the air inlet, of the bottom cover (1) partially extends to form a limiting part (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920247006.7U CN209857105U (en) | 2019-02-27 | 2019-02-27 | Igniter inflating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920247006.7U CN209857105U (en) | 2019-02-27 | 2019-02-27 | Igniter inflating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209857105U true CN209857105U (en) | 2019-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920247006.7U Active CN209857105U (en) | 2019-02-27 | 2019-02-27 | Igniter inflating structure |
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| CN (1) | CN209857105U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830273A (en) * | 2021-10-22 | 2021-12-24 | 重庆前卫科技集团有限公司 | Water inlet device and mounting structure thereof |
-
2019
- 2019-02-27 CN CN201920247006.7U patent/CN209857105U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830273A (en) * | 2021-10-22 | 2021-12-24 | 重庆前卫科技集团有限公司 | Water inlet device and mounting structure thereof |
| CN113830273B (en) * | 2021-10-22 | 2022-08-09 | 重庆前卫科技集团有限公司 | Water inlet device and mounting structure thereof |
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