CN219640813U - Sealing structure of ammunition packaging cartridge - Google Patents
Sealing structure of ammunition packaging cartridge Download PDFInfo
- Publication number
- CN219640813U CN219640813U CN202320559393.4U CN202320559393U CN219640813U CN 219640813 U CN219640813 U CN 219640813U CN 202320559393 U CN202320559393 U CN 202320559393U CN 219640813 U CN219640813 U CN 219640813U
- Authority
- CN
- China
- Prior art keywords
- sealing
- sealing cover
- ring
- gland
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 139
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 19
- 210000004907 gland Anatomy 0.000 claims abstract description 26
- 238000003825 pressing Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 9
- 230000004927 fusion Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 5
- 230000004075 alteration Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Landscapes
- Packages (AREA)
Abstract
The utility model discloses a sealing structure of an ammunition packaging barrel, which is arranged on a barrel body, wherein the upper end of the barrel body is provided with a barrel opening, and the sealing structure comprises a sealing cover and a gland; the upper part and the outer side of the inner side of the cylinder mouth are respectively provided with a cylinder mouth internal thread and a cylinder mouth external thread, and the lower end of the inner side of the cylinder mouth protrudes inwards to form a convex edge; the upper part of the outer side of the sealing cover is provided with a sealing cover external thread which is connected with the cylinder mouth internal thread through threads, the lower part of the outer side of the sealing cover is provided with a first sealing ring, the first sealing ring is arranged between the cylinder mouth and the sealing cover, the sealing cover is coaxially and downwards protruded and provided with a convex block, the outer side of the convex block is provided with a second sealing ring, and the second sealing ring is arranged between the convex edge and the convex block; a third sealing ring is arranged on the convex edge and is positioned between the convex edge and the sealing cover; the gland is provided with gland internal threads which are connected with the external threads of the cylinder mouth through threads. The utility model has the advantages of improving the assembly efficiency and the sealing effect and avoiding the exposure of the thermal fusion welding flash on the surface of the product.
Description
Technical Field
The utility model relates to the technical field of ammunition packaging, in particular to a sealing structure of an ammunition packaging cartridge.
Background
Ammunition packaging cartridges are important tools for independently packaging, protecting and transporting large-caliber shells. With the continuous accelerated evolution of informationized warfare, the demand for high precision guided munitions is increasing, and therefore, higher demands are being placed on the packaging, protection and service of the munitions. In order to protect the precise electronic components inside, many highly refined missile drugs need to fill inert protective gas into the ammunition packaging barrel, so that the overall tightness of the packaging barrel is very high, and the packaging barrel is required to bear the air pressure of more than 0.02MPa and is free from leakage.
The sealing structure of the current ammunition packaging barrel ensures the tightness of the barrel body by welding a small cover plate of the barrel body and the barrel body into a whole through hot melting, and the structure has the following defects:
1. a special welding tool is required to be manufactured, the air tightness after welding cannot be effectively ensured, and the qualification rate is only 20%;
2. low efficiency, long thermal fusion welding heating time and long single-piece production period;
3. the appearance quality after welding is poor, fusion welding glue overflows the surface, and the appearance quality can not be ensured.
Disclosure of Invention
To the above-mentioned not enough of prior art, the technical problem that this patent application was to solve is how to provide one kind and can improve assembly efficiency and sealed effect, avoids thermal fusion welding flash to expose the seal structure of the ammunition packing section of thick bamboo on the product surface.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the sealing structure of the ammunition packaging cartridge is arranged on a cartridge body, the upper end of the cartridge body is provided with a cartridge opening, and the sealing structure comprises a sealing cover and a gland, and the sealing cover and the gland are connected with the cartridge opening; the upper part and the outer side of the inner side of the cylinder mouth are respectively provided with a cylinder mouth internal thread and a cylinder mouth external thread, and the lower end of the inner side of the cylinder mouth protrudes inwards to form a convex edge;
the upper part of the outer side of the sealing cover is provided with a sealing cover external thread which is in threaded connection with the cylinder opening internal thread, the lower part of the outer side of the sealing cover is provided with a first sealing ring, the first sealing ring is arranged between the cylinder opening and the sealing cover, the sealing cover coaxially protrudes downwards and is provided with a convex block, the outer side of the convex block is provided with a second sealing ring, and the second sealing ring is arranged between the convex edge and the convex block; a third sealing ring is arranged on the convex edge, and the third sealing ring is positioned between the convex edge and the sealing cover; the gland is provided with gland internal threads, the gland internal threads are connected with the cylinder mouth external threads through threads, and a yielding hole is formed in the gland in a penetrating mode.
Like this, install first sealing washer and second sealing washer in sealed outside, place the third sealing washer on protruding edge, sealed lid passes through sealed external screw thread and nozzle internal thread connection, and at the in-process of connecting, third sealing washer compresses tightly with protruding edge and lug, and first sealing washer compresses tightly with nozzle and sealed lid, realizes two-stage seal, and simultaneously at the in-process of connecting, third sealing washer compresses tightly with protruding edge and sealed lid, realizes third level joint, through tertiary seal, improves sealed effect. After the sealing cover is installed, the gland is installed and connected with the cylinder mouth through the gland internal thread, the anti-loose effect is achieved on the sealing cover, the sealing cover is pressed, and the sealing reliability is further improved.
The gland is provided with a rib pressing ring in a coaxial downward protruding mode, and the upper end of the sealing cover is concave inwards to form a ring groove capable of being matched with the rib pressing ring.
The upper end of the third sealing ring is arranged in a wave shape.
The outer sides of the first sealing ring and the second sealing ring are in a zigzag shape.
The radial sizes of the first sealing ring and the second sealing ring are gradually increased from bottom to top along the vertical direction.
The upper end of the sealing cover is concaved inwards to form a groove, and a handle is fixedly arranged in the groove.
In summary, the sealing structure of the ammunition packaging barrel has the following beneficial effects:
1. the manufacturing cost of the thermal fusion welding tool is saved, and the energy consumption in the thermal fusion welding process is saved;
2. the assembly efficiency of the single-piece product is improved, and the assembly of the product is reduced to one-man operation by the two operators before;
3. the product quality is greatly improved, and the primary qualification rate of the sealing property is improved from 20% to 99%;
4. the appearance quality of the product is improved, no thermal fusion welding flash is exposed on the surface of the product, and the appearance quality of the whole product is effectively improved.
Drawings
Fig. 1 is a schematic view of an ammunition packaging cartridge equipped with a sealing structure of an ammunition packaging cartridge according to the present utility model.
Fig. 2 is a partial schematic view of fig. 1.
Fig. 3 is an enlarged schematic view at a in fig. 2.
Fig. 4 is an exploded view of 1.
Fig. 5 is a schematic view showing a sealing structure of an ammunition packing cartridge according to the present utility model.
Fig. 6 is a schematic view of the seal cap.
Fig. 7 is a schematic view of another orientation of fig. 6.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings. In the description of the present utility model, it should be understood that the azimuth or positional relationship indicated by the azimuth words such as "upper, lower" and "top, bottom", etc. are generally based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and these azimuth words do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth or be constructed and operated in a specific azimuth, without limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
As shown in fig. 1 to 7, a sealing structure of an ammunition packaging cartridge is arranged on a cartridge body 1, the upper end of the cartridge body is provided with a cartridge mouth 2, and the sealing structure comprises a sealing cover 3 and a gland 4, wherein the sealing cover and the gland are connected with the cartridge mouth; the upper part and the outer side of the inner side of the cylinder mouth are respectively provided with a cylinder mouth internal thread 5 and a cylinder mouth external thread 6, and the lower end of the inner side of the cylinder mouth protrudes inwards to form a convex edge 7;
the upper part of the outer side of the sealing cover is provided with a sealing cover external thread 8, the sealing cover external thread is connected with the cylinder opening internal thread through threads, the lower part of the outer side of the sealing cover is provided with a first sealing ring 9, the first sealing ring is arranged between the cylinder opening and the sealing cover, the sealing cover is coaxially and downwards protruded and provided with a convex block 10, the outer side of the convex block is provided with a second sealing ring 11, and the second sealing ring is arranged between the convex edge and the convex block; a third sealing ring 12 is arranged on the convex edge, and the third sealing ring is positioned between the convex edge and the sealing cover; the gland is provided with gland internal threads, the gland internal threads are connected with the cylinder mouth external threads through threads, and a yielding hole is formed in the gland in a penetrating mode.
Like this, install first sealing washer and second sealing washer in sealed outside, place the third sealing washer on protruding edge, sealed lid passes through sealed external screw thread and nozzle internal thread connection, and at the in-process of connecting, third sealing washer compresses tightly with protruding edge and lug, and first sealing washer compresses tightly with nozzle and sealed lid, realizes two-stage seal, and simultaneously at the in-process of connecting, third sealing washer compresses tightly with protruding edge and sealed lid, realizes third level joint, through tertiary seal, improves sealed effect. After the sealing cover is installed, the gland is installed and connected with the cylinder mouth through the gland internal thread, the anti-loose effect is achieved on the sealing cover, the sealing cover is pressed, and the sealing reliability is further improved.
In this embodiment, the gland is provided with a rib pressing ring 14 protruding downwards coaxially, and the upper end of the sealing cover is concave to form a ring groove 15 capable of being matched with the rib pressing ring. The sealing cover is convenient to compress tightly better.
In this embodiment, the upper end of the third sealing ring is in a wavy arrangement. The sealing effect is improved.
In this embodiment, the outer sides of the first sealing ring and the second sealing ring are serrated. The sealing effect is improved.
In this embodiment, the radial dimensions of the first sealing ring and the second sealing ring gradually increase from bottom to top along the vertical direction. The first sealing ring and the second sealing ring can be fully contacted and extruded, and the sealing effect is improved.
In this embodiment, the upper end of the sealing cover is concaved inwards to form a groove, and a handle 16 is fixedly installed in the groove. The sealing cover is convenient to rotate and convenient to disassemble and assemble.
Specifically, be equipped with the air vent on the sealing lid, can dismantle on the air vent and be connected with the sealing plug, sealing plug and sealing lid joint or threaded connection. The vent hole is kept in a ventilation state, gas pressed into the cylinder body when the sealing cover is installed is discharged, and then the sealing plug is installed on the vent hole, so that a sealing environment is maintained; when the sealing is released, the sealing plug is firstly detached, so that the pressure inside and outside the cylinder is the same, and then the sealing cover and the sealing cover are detached. The problem that the sealing cover is difficult to open due to negative pressure generated in the cylinder body is avoided through the arrangement of the vent hole and the sealing cover.
The vent hole is used as a vent hole and a detection hole, and the sealing plug can be opened at any time and any place to detect the air tightness and the pressure bearing capacity of the cylinder. Of course, the inside of the cylinder may be filled with an inert shielding gas through the vent hole.
When the first sealing ring and the second sealing ring are installed, the sealing ring can be connected with the sealing cover in an adhesive mode, the sealing cover is in interference fit or the mounting groove is formed in the sealing cover, and the first sealing ring and the second sealing ring are matched with the mounting groove.
Finally, it should be noted that: various modifications and alterations of this utility model may be made by those skilled in the art without departing from the spirit and scope of this utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (6)
1. The sealing structure of the ammunition packaging cylinder is arranged on a cylinder body, and the upper end of the cylinder body is provided with a cylinder opening; the upper part and the outer side of the inner side of the cylinder mouth are respectively provided with a cylinder mouth internal thread and a cylinder mouth external thread, and the lower end of the inner side of the cylinder mouth protrudes inwards to form a convex edge;
the upper part of the outer side of the sealing cover is provided with a sealing cover external thread which is in threaded connection with the cylinder opening internal thread, the lower part of the outer side of the sealing cover is provided with a first sealing ring, the first sealing ring is arranged between the cylinder opening and the sealing cover, the sealing cover coaxially protrudes downwards and is provided with a convex block, the outer side of the convex block is provided with a second sealing ring, and the second sealing ring is arranged between the convex edge and the convex block; a third sealing ring is arranged on the convex edge, and the third sealing ring is positioned between the convex edge and the sealing cover; the gland is provided with gland internal threads, the gland internal threads are connected with the cylinder mouth external threads through threads, and a yielding hole is formed in the gland in a penetrating mode.
2. The sealing structure of an ammunition packaging cartridge according to claim 1, wherein the gland is provided with a rib pressing ring in a coaxial downward protruding mode, and the upper end of the sealing cover is recessed to form a ring groove capable of being matched with the rib pressing ring.
3. The cartridge sealing arrangement of claim 2 wherein said third seal ring has an upper end which is undulated.
4. The cartridge sealing arrangement of claim 1 wherein the outer sides of the first and second seal rings are serrated.
5. The cartridge sealing arrangement of claim 1 wherein the radial dimensions of the first and second seal rings increase progressively from bottom to top in a vertical direction.
6. The cartridge sealing structure of claim 1, wherein the upper end of the sealing cap is concaved inward to form a groove, and a handle is fixedly installed in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320559393.4U CN219640813U (en) | 2023-03-21 | 2023-03-21 | Sealing structure of ammunition packaging cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320559393.4U CN219640813U (en) | 2023-03-21 | 2023-03-21 | Sealing structure of ammunition packaging cartridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219640813U true CN219640813U (en) | 2023-09-05 |
Family
ID=87813256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320559393.4U Active CN219640813U (en) | 2023-03-21 | 2023-03-21 | Sealing structure of ammunition packaging cartridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219640813U (en) |
-
2023
- 2023-03-21 CN CN202320559393.4U patent/CN219640813U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |