CN220326036U - Anti-leakage sealing shell - Google Patents
Anti-leakage sealing shell Download PDFInfo
- Publication number
- CN220326036U CN220326036U CN202321640005.1U CN202321640005U CN220326036U CN 220326036 U CN220326036 U CN 220326036U CN 202321640005 U CN202321640005 U CN 202321640005U CN 220326036 U CN220326036 U CN 220326036U
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- Prior art keywords
- shell
- sealing
- groove
- seal
- air
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- 238000007789 sealing Methods 0.000 title claims abstract description 73
- 238000005192 partition Methods 0.000 claims description 7
- 238000013022 venting Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 claims 1
- 230000003405 preventing effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- Gasket Seals (AREA)
Abstract
The utility model discloses an anti-leakage sealing shell, which comprises: the bottom cover, it specifically includes: the cover body is provided with a sealing ring and a connecting sleeve at one side, and a V-shaped sealing groove is formed in the sealing ring; the casing, it specifically includes: an outer case and an inner case; the V-shaped sealing groove is matched with the inner shell, the outer shell is detachably connected with the connecting sleeve, and a first expansion air bag is arranged between the outer shell and the cover. Through the cooperation of inner housing and V type seal groove. So as to realize the sealing between the inner shell and the bottom cover; a first expansion air bag is arranged in a gap between the cover body and the outer shell body, so that the sealing between the outer shell body and the bottom cover is realized; when the air leakage occurs between the inner shell and the bottom cover, air in the inner shell enters the cavity between the inner shell and the outer shell, so that the air pressure in the cavity is increased, the first expansion air bag is further forced to expand, the gap between the cover body and the outer shell is further sealed, further leakage of air is prevented, and the air leakage preventing effect is good.
Description
Technical Field
The utility model relates to the technical field of sealed containers, in particular to an anti-leakage sealed shell.
Background
For the installation of some precision instruments, if the precision instruments are directly placed in an open air environment, the precision instruments are extremely easy to age and oxidize to influence the service life of the precision instruments. Therefore, in order to ensure the service life and the service performance of such precision instruments, it is generally necessary to put them into a sealed case, and fill the sealed case with a protective gas such as an inert gas of nitrogen or argon, thereby delaying the aging of the instruments.
After searching, the applicant finds that an utility model patent with the patent number of CN211788190U discloses a high-tightness shell, which comprises a sealing shell, wherein a flange plate for connection is arranged at the bottom of the sealing shell, and bolt holes are formed in the flange plate, so that the sealing shell is convenient to connect with an external device. In the above-mentioned patent, the seal shell is connected with external device only through the bolt hole on the flange board to hardly guarantee the leakproofness of flange board opening part, cause the inside shielding gas of seal shell to leak out from flange board opening part easily, the gas release effect is not enough.
Disclosure of Invention
The utility model aims to provide an anti-leakage sealing shell, which solves the problems that the existing sealing shell is difficult to ensure the tightness of an opening of a flange plate, and the protection gas in the sealing shell is easy to leak out from the opening of the flange plate, so that the anti-leakage effect is insufficient.
The aim of the utility model can be achieved by the following technical scheme:
an anti-venting seal housing comprising:
the bottom cover, it specifically includes:
the cover body is provided with a sealing ring and a connecting sleeve from inside to outside in sequence at one side, and a V-shaped sealing groove is formed in the sealing ring;
the casing, it specifically includes:
the outer shell and the inner shell are fixedly connected through supporting ribs;
the V-shaped sealing groove is matched with the inner shell, the outer shell is detachably connected with the connecting sleeve, and a first expansion air bag is arranged between the outer shell and the cover.
As a further scheme of the utility model: the cover body is provided with a baffle plate, the baffle plate is positioned between the sealing ring and the connecting sleeve, an annular groove is formed between the baffle plate and the connecting sleeve, and the first expansion air bag is embedded in the annular groove.
As a further scheme of the utility model: the inner wall of the connecting sleeve is provided with an internal thread, the outer wall of the outer shell is provided with an external thread, and the internal thread is matched with the external thread.
As a further scheme of the utility model: the sealing head is arranged at one end of the shell far away from the bottom cover. The method specifically comprises the following steps:
a second expansion air bag is embedded on the inner wall of the cylinder;
the charging nozzle is arranged on the cylinder body; and
the air charging passage is arranged in the cylinder body;
wherein, the two ends of the air charging channel are respectively communicated with the second inflatable air bag and the air charging nozzle.
As a further scheme of the utility model: the joint of the outer shell and the cylinder body is provided with a first sealing groove, and a first sealing ring is arranged in the first sealing groove; a second sealing groove is formed in the joint of the inner shell and the cylinder body, and a second sealing ring is arranged in the second sealing groove.
The utility model has the beneficial effects that:
the inner shell is matched with the V-shaped sealing groove to realize the sealing between the inner shell and the bottom cover; a first expansion air bag is arranged in a gap between the cover body and the outer shell body, so that the sealing between the outer shell body and the bottom cover is realized; when air leakage occurs between the inner shell and the bottom cover, air in the inner shell enters a cavity between the inner shell and the outer shell, so that the air pressure in the cavity is increased, the first expansion air bag is further forced to expand, a gap between the cover body and the outer shell is further sealed, further leakage of air is prevented, and the air leakage preventing effect is good;
the second inflation air bag is arranged in the sealing head at the top of the shell, the second inflation air bag is inflated through the inflation nozzle, and the second inflation air bag is inflated to wrap the cable, so that gas is prevented from leaking out from a joint gap between the cable and the sealing head, and the anti-leakage performance is further improved.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a half cross-sectional view of the present utility model;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
fig. 4 is a partial enlarged view at B in fig. 2.
In the figure:
1. a bottom cover; 11. a cover body; 12. connecting sleeves; 13. a seal ring; 14. a V-shaped seal groove; 15. a partition plate; 16. an annular groove; 17. an internal thread;
2. a housing; 21. an outer housing; 22. an inner housing; 23. a support rib; 24. an external thread;
3. a sealing head; 31. a cylinder; 32. an air charging nozzle; 33. an air charging passage;
4. a first inflatable balloon; 5. a first seal ring; 6. a second seal ring; 7. and a second inflatable balloon.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model discloses an anti-leakage sealing shell which can be used for solving the problems that the existing sealing shell is difficult to ensure the tightness of an opening of a flange plate, and the protection gas in the sealing shell is easy to leak out from the opening of the flange plate, so that the anti-leakage effect is insufficient. Specifically, referring to fig. 1, 2 and 3, the anti-leakage seal housing may include a bottom cover 1 and a housing 2; the bottom cover 1 comprises a cover body 11, a sealing ring 13 and a connecting sleeve 12 are sequentially arranged on one side, facing the shell 2, of the cover body 11 from inside to outside, and a V-shaped sealing groove 14 is formed in the sealing ring 13; the shell 2 comprises an outer shell 21 and an inner shell 22, and the outer shell 21 and the inner shell 22 are fixedly connected through supporting ribs 23; the V-shaped sealing groove 14 is matched with the inner shell 22, the outer shell 21 is detachably connected with the connecting sleeve 12, and a first expansion air bag 4 is arranged between the outer shell 21 and the cover 11;
specifically, the precision instrument is mounted on the bottom cover 1, the shell 2 is covered, the outer shell 21 is connected with the connecting sleeve 12, meanwhile, the bottom of the inner shell 22 is embedded into the V-shaped sealing groove 14, so that the sealing between the inner shell 22 and the bottom cover 1 is realized, the more tightly the outer shell 21 is connected with the connecting sleeve 12, the greater the depth of the inner shell 22 embedded into the V-shaped sealing groove 14 is, and the stronger the sealing performance of the inner shell 22 is realized; meanwhile, the first inflatable airbag 4 is limited in the gap between the cover 11 and the outer shell 21, so that the sealing between the outer shell 21 and the bottom cover 1 is realized, even if the air leakage occurs between the inner shell 22 and the bottom cover 1, the air in the inner shell 22 enters the cavity between the inner shell 22 and the outer shell 21, so that the air pressure in the cavity is increased, the first inflatable airbag 4 is further inflated under pressure, and the gap between the cover 11 and the outer shell 21 is further sealed, so that the air is prevented from further leakage.
Further, referring to fig. 3, in order to limit the first inflatable bladder 4 and prevent the first inflatable bladder 4 from being biased by pressure, a partition plate 15 is disposed on the cover 11, the partition plate 15 is located between the sealing ring 13 and the connecting sleeve 12, an annular groove 16 is formed between the partition plate 15 and the connecting sleeve 12, the first inflatable bladder 4 is embedded in the annular groove 16, and both inner and outer sides of the first inflatable bladder 4 are abutted against the inner wall of the annular groove 16, so that the first inflatable bladder 4 is prevented from being biased radially, and stability of sealing performance between the cover 11 and the outer casing 21 is ensured.
In an embodiment, referring to fig. 3, the connection manner between the outer casing 21 and the connecting sleeve 12 is not particularly limited, and may be inserted in an interference fit manner; the inner wall of the connecting sleeve 12 can be provided with the internal thread 17, the outer wall of the outer shell 21 is provided with the external thread 24, and the internal thread 17 is matched with the external thread 24, so that the quick assembly and disassembly between the shell 2 and the bottom cover 1 and the reliability of connection are convenient.
In yet another embodiment, as shown in fig. 4, the device further comprises a sealing head 3, which is disposed at one end of the housing 2 far away from the bottom cover 1, and specifically comprises a cylinder 31, wherein the inner wall of the cylinder 31 is embedded with a second inflatable air bag 7, the cylinder 31 is provided with an air charging nozzle 32, an air charging channel 33 is formed in the cylinder 31, and two ends of the air charging channel 33 are respectively communicated with the second inflatable air bag 7 and the air charging nozzle 32; in order to facilitate connection and interaction between the precision instrument and other equipment, a cable of the precision instrument placed in the shell 2 is penetrated out of the cylinder 31, and then the second inflatable air bag 7 is inflated through the inflation nozzle 32 and the inflation channel 33, so that the second inflatable air bag 7 is inflated, and the cable is tightly wrapped outside to prevent internal gas from leaking.
In addition, as shown in fig. 4, in order to ensure tightness between the sealing head 3 and the housing 2, a first sealing groove is arranged at the joint of the outer housing 21 and the cylinder 31, and a first sealing ring 5 is arranged in the first sealing groove; a second sealing groove is arranged at the joint of the inner shell 22 and the cylinder 31, and a second sealing ring 6 is arranged in the second sealing groove; the sealing between the outer shell 21 and the inner shell 22 and the sealing head 3 is respectively realized through the first sealing ring 5 and the second sealing ring 6; of course, the sealing head 3 may be formed integrally with the housing 2 for further simplification of the structure.
In summary, the present utility model discloses an anti-leakage sealing housing, wherein the inner housing 22 is matched with the V-shaped sealing groove 14 to realize the sealing between the inner housing 22 and the bottom cover 1; the first inflatable air bag 4 is arranged in the gap between the cover body 11 and the outer shell body 21, so that the sealing between the outer shell body 21 and the bottom cover 1 is realized; when air leakage occurs between the inner shell 22 and the bottom cover 1, air in the inner shell 22 enters a cavity between the inner shell 22 and the outer shell 21, so that the air pressure in the cavity is increased, the first expansion air bag 4 is further promoted to be expanded under pressure, and a gap between the cover 11 and the outer shell 21 is further sealed, so that the air is prevented from further leakage, and the air leakage prevention effect is good; the second expansion air bag 7 is arranged in the sealing head 3 at the top of the shell 2, the second expansion air bag 7 is inflated through the inflation nozzle 32, and the second expansion air bag 7 is expanded to wrap the cable, so that gas is prevented from leaking out from a joint gap between the cable and the sealing head 3, and the anti-leakage performance is further improved.
The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.
Claims (5)
1. An anti-venting seal housing, comprising:
bottom cover (1), it specifically includes:
a sealing ring (13) and a connecting sleeve (12) are sequentially arranged on one side of the cover body (11) from inside to outside, and a V-shaped sealing groove (14) is formed in the sealing ring (13);
a housing (2), comprising in particular:
the outer shell (21) and the inner shell (22) are fixedly connected through supporting ribs (23);
wherein, V type seal groove (14) and interior casing (22) adaptation, shell body (21) are connected with adapter sleeve (12) are removable, are provided with first inflation gasbag (4) between shell body (21) and lid (11).
2. The anti-leakage seal housing according to claim 1, wherein a partition plate (15) is arranged on the cover body (11), the partition plate (15) is located between the sealing ring (13) and the connecting sleeve (12), an annular groove (16) is formed between the partition plate (15) and the connecting sleeve (12), and the first expansion airbag (4) is embedded in the annular groove (16).
3. An anti-venting seal housing according to claim 1, characterized in that the inner wall of the connecting sleeve (12) is provided with an internal thread (17), the outer wall of the outer housing (21) is provided with an external thread (24), the internal thread (17) being adapted to the external thread (24).
4. A gas leakage prevention seal housing according to any one of claims 1-3, further comprising a seal head (3) provided at an end of the housing (2) remote from the bottom cover (1), comprising in particular:
a cylinder (31) with a second inflatable balloon (7) embedded on the inner wall;
an inflation nozzle (32) mounted on the cylinder (31); and
an air-filling passage (33) which is provided in the cylinder (31);
wherein, the two ends of the air charging channel (33) are respectively communicated with the second expansion air bag (7) and the air charging nozzle (32).
5. The anti-leakage seal housing according to claim 4, wherein a first seal groove is formed at the joint of the outer housing (21) and the cylinder (31), and a first seal groove is provided in the first seal groove
A seal ring (5); a second sealing groove is arranged at the joint of the inner shell (22) and the cylinder body (31),
a second sealing ring (6) is arranged in the second sealing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321640005.1U CN220326036U (en) | 2023-06-26 | 2023-06-26 | Anti-leakage sealing shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321640005.1U CN220326036U (en) | 2023-06-26 | 2023-06-26 | Anti-leakage sealing shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220326036U true CN220326036U (en) | 2024-01-09 |
Family
ID=89412132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321640005.1U Active CN220326036U (en) | 2023-06-26 | 2023-06-26 | Anti-leakage sealing shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220326036U (en) |
-
2023
- 2023-06-26 CN CN202321640005.1U patent/CN220326036U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |