CN211593556U - Ventilative bung hole structure - Google Patents
Ventilative bung hole structure Download PDFInfo
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- CN211593556U CN211593556U CN201922487706.6U CN201922487706U CN211593556U CN 211593556 U CN211593556 U CN 211593556U CN 201922487706 U CN201922487706 U CN 201922487706U CN 211593556 U CN211593556 U CN 211593556U
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- cover
- tegillum
- big lid
- waterproof
- membrane
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Abstract
The utility model relates to a ventilative bung hole structure, including big lid, big lid sub-unit connection bung hole, install the tegillum in the big lid, the protection casing under the tegillum lower extreme connection membrane, the waterproof ventilated membrane of tegillum mid-mounting, it has the tegillum bleeder vent to open waterproof ventilated membrane lower part, the waterproof cover is connected to the tegillum upper end, set up the bung sealing washer between big lid and the bung hole, set up the tegillum sealing washer between big lid and the tegillum, the big lid lower part is the annular structure, the internal periphery in big lid lower part sets up big lid lower screw thread, it has the bung seal groove to open above the big lid lower screw thread, it has the tegillum installation cavity to open in the big lid upper portion, set up tegillum connecting thread in the inner wall under the teg. The utility model discloses, simple structure seals the bucket interior liquid, simultaneously, along with the change of temperature, can get rid of the gas of bucket internal expansion from waterproof ventilated membrane, keeps the pressure balance in the bucket.
Description
Technical Field
The utility model belongs to the technical field of packaging machinery equipment, a ventilative bung hole structure is related to.
Background
In the prior art, liquid in a conveying barrel body is collided with and changes the temperature along with conveying, gas in the liquid changes the volume, if the gas is not removed in time, the barrel body is deformed slightly, and gas rushes out when the barrel body is opened seriously, so that workers are injured.
Disclosure of Invention
An object of the utility model is to provide a ventilative bung hole structure can solve the gas expansion's problem, and simple structure, seals the interior liquid of bucket.
According to the utility model provides a technical scheme: the utility model provides a ventilative bung hole structure, includes the big lid, big lid sub-unit connection bung hole, install the tegillum in the big lid, the protection casing under the tegillum lower extreme connection membrane, the waterproof ventilated membrane of tegillum mid-mounting, waterproof ventilated membrane lower part is opened there is the tegillum bleeder vent, the tegillum is connected to the tegillum upper end, the big lid with set up the bung sealing washer between the bung hole, the big lid with set up the tegillum sealing washer between the tegillum.
As a further improvement, the big lid lower part is the annular structure, the internal periphery in big lid lower part sets up big lid lower screw thread, open the bung seal groove above the big lid lower screw thread, it has the tegillum installation cavity to open in the big lid upper portion, set up tegillum connecting thread in the inner wall under the tegillum installation cavity, tegillum connecting thread upper end is sealing ring installation inclined plane.
As a further improvement, the bung hole periphery sets up the bung hole screw thread, the bung hole upper end is located bung seal groove below, install in the bung seal groove the bung sealing washer, the bung hole upper end supports bung sealing washer bottom.
As a further improvement, the lower part periphery of the small cover is provided with small cover external threads, small cover air holes are formed in the small cover, core film mounting bosses are arranged around the small cover air holes, pressing block mounting threads are arranged above the core film mounting bosses, the upper part periphery of the small cover is provided with a waterproof cover mounting groove, the lower end of the waterproof cover mounting groove is provided with a sealing ring mounting inclined plane, and the sealing ring mounting inclined plane is provided with a sealing ring.
As a further improvement, the inner periphery of the waterproof cover is provided with a waterproof cover mounting boss, the waterproof cover mounting boss is embedded in the waterproof cover mounting groove, the waterproof cover mounting boss and the waterproof cover mounting groove are in clearance fit, and an air passage is reserved between the waterproof cover mounting boss and the waterproof cover mounting groove.
As a further improvement of the utility model, the middle part of the small cover is provided with the waterproof and breathable film through a film pressing cover; the membrane gland periphery sets up the gland screw thread, the gland screw thread with briquetting installation screw thread meshes mutually, the membrane gland with set up between the membrane installation boss waterproof ventilated membrane, little lid bleeder vent below installation the protection casing under the membrane, the protection casing both sides are opened to have bleeder vent down.
Compared with the prior art, the utility model, have following advantage:
the utility model discloses, simple structure seals the bucket interior liquid, simultaneously, along with the change of temperature, can get rid of the gas of bucket internal expansion from waterproof ventilated membrane, keeps the pressure balance in the bucket.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the large cover of the present invention.
Fig. 3 is a schematic structural view of the small cover of the present invention.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings.
In the figure 1-3, the barrel comprises a barrel opening 1, a large cover 2, a large cover lower thread 2-1, a barrel cover sealing groove 2-2, a small cover mounting cavity 2-3, a small cover connecting thread 2-4, a sealing ring mounting inclined plane 2-5, a barrel cover sealing ring 3, a small cover 4, a small cover external thread 4-1, a small cover air hole 4-2, a membrane mounting boss 4-3, a pressing block mounting thread 4-4, a waterproof cover mounting groove 4-5, a small cover sealing ring 5, a waterproof cover 6, a membrane pressing cover 7, a waterproof breathable membrane 8 and the like.
As shown in figure 1, the utility model relates to a ventilative bung hole structure, including big lid 2, as shown in figure 2, big lid 2 lower part is the annular structure, and 2 inner circumferences in big lid lower part set up big lid lower screw thread 2-1, and open 2-2 of bung seal groove above big lid lower screw thread 2-1, open 2 upper portions of big lid and have little lid installation cavity 2-3, set up in the inner wall 2-3 lower inner wall little lid connecting thread 2-4, and little lid connecting thread 2-4 upper end is sealing ring installation inclined plane 2-5.
The lower end of the big cover 2 is connected with a bung hole 1, bung hole threads are arranged on the periphery of the bung hole 1, and the bung hole threads are meshed with the big cover lower threads 2-1. The upper end part of the bung hole 1 is positioned below the bung sealing groove 2-2, a bung sealing ring 3 is arranged in the bung sealing groove 2-2, the upper end part of the bung hole 1 props against the bottom of the bung sealing ring 3, and the bung sealing ring 3 prevents liquid from flowing out from a gap between the large cover 2 and the bung hole 1. A small cover 4 is arranged in the small cover installation cavity 2-3, as shown in figure 3, the small cover 4 is cylindrical, a small cover external thread 4-1 is arranged on the periphery of the lower part of the small cover 4, and the small cover external thread 4-1 is meshed with the small cover connecting thread 2-4. A small cover air hole 4-2 is arranged in the small cover 4, a core film mounting boss 4-3 is arranged around the small cover air hole 4-2, a pressing block mounting thread 4-4 is arranged above the core film mounting boss 4-3, and the upper end of the small cover 4 is connected with a waterproof cover 6. The periphery of the upper part of the small cover 4 is provided with a waterproof cover mounting groove 4-5, the inner periphery of the waterproof cover 6 is provided with a waterproof cover mounting boss, the waterproof cover mounting boss is embedded in the waterproof cover mounting groove 4-5, the waterproof cover mounting boss and the waterproof cover mounting groove 4-5 are in clearance fit, and an air passage is reserved between the waterproof cover mounting boss and the waterproof cover mounting groove 4-5. A small cover sealing ring 5 is arranged between the lower end of the waterproof cover mounting groove 4-5 and the sealing ring mounting inclined plane 2-5, so that liquid is prevented from flowing out from a gap between the small cover 4 and the large cover 2.
The small cover 4 is provided with a film gland 7, the periphery of the film gland 7 is provided with gland threads, and the gland threads are meshed with the pressing block mounting threads 4-4. A waterproof breathable film 8 is arranged between the film pressing cover 7 and the film mounting boss 4-3, a lower protective cover 10 is mounted below the small cover vent hole 4-2, and lower vent holes are formed in two sides of the lower protective cover 10 to prevent liquid in the barrel from directly splashing on the waterproof breathable film 8 in the bumpy conveying process.
The working process of the utility model is as follows:
moisture in the barrel body permeates through the lower air vent, passes through the small cover air vent 4-2, and is separated from liquid and gas through the waterproof air vent film 8, and then the gas leaves the barrel body from a gap between the small cover 4 and the waterproof cover 6.
Claims (6)
1. The utility model provides a ventilative bung hole structure which characterized in that: the structure includes big lid (2), big lid (2) sub-unit connection bung hole (1), install tegillum (4) in big lid (2), protective cover (10) under tegillum (4) lower extreme connection membrane, tegillum (4) mid-mounting waterproof ventilated membrane (8), open tegillum bleeder vent (4-2) waterproof ventilated membrane (8) lower part, tegillum (4) upper end is connected waterproof cover (6), big lid (2) with set up bung sealing washer (3) between bung hole (1), big lid (2) with set up tegillum sealing washer (5) between tegillum (4).
2. The vent bunghole structure of claim 1, wherein: the improved structure is characterized in that the lower portion of the large cover (2) is of an annular structure, a large cover lower thread (2-1) is arranged on the inner periphery of the lower portion of the large cover (2), a cover sealing groove (2-2) is formed above the large cover lower thread (2-1), a small cover mounting cavity (2-3) is formed in the upper portion of the large cover (2), a small cover connecting thread (2-4) is arranged in the lower inner wall of the small cover mounting cavity (2-3), and a sealing ring mounting inclined plane (2-5) is arranged at the upper end of the small cover connecting thread (2-4).
3. The vent bunghole structure of claim 2, wherein: the barrel cover sealing structure is characterized in that a barrel opening thread is arranged on the periphery of the barrel opening (1), the upper end of the barrel opening (1) is located below the barrel cover sealing groove (2-2), the barrel cover sealing ring (3) is installed in the barrel cover sealing groove (2-2), and the upper end of the barrel opening (1) abuts against the bottom of the barrel cover sealing ring (3).
4. The vent bunghole structure of claim 2, wherein: the novel sealing structure is characterized in that a small cover external thread (4-1) is arranged on the periphery of the lower portion of the small cover (4), small cover air holes (4-2) are formed in the small cover (4), core film installation bosses (4-3) are arranged on the periphery of the small cover air holes (4-2), pressing block installation threads (4-4) are arranged above the core film installation bosses (4-3), a waterproof cover installation groove (4-5) is formed in the periphery of the upper portion of the small cover (4), and a small cover sealing ring (5) is arranged between the lower end of the waterproof cover installation groove (4-5) and the sealing ring installation inclined plane (2-5).
5. The vent bunghole structure of claim 4, wherein: the inner periphery of the waterproof cover (6) is provided with a waterproof cover mounting boss which is embedded in the waterproof cover mounting groove (4-5), the waterproof cover mounting boss and the waterproof cover mounting groove (4-5) are in clearance fit, and an air passage is reserved between the waterproof cover mounting boss and the waterproof cover mounting groove.
6. The vent bunghole structure of claim 4, wherein: the middle part of the small cover (4) is provided with the waterproof breathable film (8) through a film pressing cover (7); the periphery of membrane gland (7) sets up the gland screw thread, the gland screw thread with briquetting installation screw thread (4-4) mesh mutually, membrane gland (7) with set up between membrane installation boss (4-3) waterproof ventilated membrane (8), install tegillum bleeder vent (4-2) below protection casing (10) under the membrane, protection casing (10) both sides are opened there is lower bleeder vent under the membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922487706.6U CN211593556U (en) | 2019-12-31 | 2019-12-31 | Ventilative bung hole structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922487706.6U CN211593556U (en) | 2019-12-31 | 2019-12-31 | Ventilative bung hole structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211593556U true CN211593556U (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922487706.6U Active CN211593556U (en) | 2019-12-31 | 2019-12-31 | Ventilative bung hole structure |
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| Country | Link |
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| CN (1) | CN211593556U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110921093A (en) * | 2019-12-31 | 2020-03-27 | 无锡四方友信股份有限公司 | Ventilative bung hole structure |
-
2019
- 2019-12-31 CN CN201922487706.6U patent/CN211593556U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110921093A (en) * | 2019-12-31 | 2020-03-27 | 无锡四方友信股份有限公司 | Ventilative bung hole structure |
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