CN219712308U - Air tightness detection plug - Google Patents
Air tightness detection plug Download PDFInfo
- Publication number
- CN219712308U CN219712308U CN202321365462.4U CN202321365462U CN219712308U CN 219712308 U CN219712308 U CN 219712308U CN 202321365462 U CN202321365462 U CN 202321365462U CN 219712308 U CN219712308 U CN 219712308U
- Authority
- CN
- China
- Prior art keywords
- air
- main shell
- air inlet
- rear end
- movable liner
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Links
- 238000001514 detection method Methods 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 59
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000741 silica gel Substances 0.000 claims abstract description 22
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 22
- 210000001503 joint Anatomy 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 10
- 230000002093 peripheral effect Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model provides an air tightness detection plug, which comprises a main shell, wherein a movable liner is slidably arranged in the main shell, and the outer wall of the movable liner is in sealing fit with the inner wall of the rear end of the main shell; the movable liner is provided with a first air passage and a second air passage which penetrate through the movable liner from front to back, wherein the front end of the second air passage is connected and communicated with the rear end of the air inlet rod, the front end of the air inlet rod penetrates out of the inner connecting limiting ring of the main shell, a silica gel sealing sleeve is arranged between the rear end of the limiting ring and the front end of the main shell, and the silica gel sealing sleeve is sleeved on the air inlet rod. In the structure of the utility model, the movable liner is moved by air supply, so that the air inlet rod is pulled to extrude the silica gel sealing sleeve, the extrusion deformation of the silica gel sealing sleeve is utilized to adapt to the shape inside the air inlet of the container product, the quick blocking and sealing of the air inlet of the container product are realized, the blocking effect can be ensured, and the sealing efficiency of the air inlet position of the container product before air tightness detection is increased.
Description
Technical Field
The utility model belongs to the technical field of air tightness detection, and particularly relates to an air tightness detection plug.
Background
The air tightness test is mainly to test whether each connecting part of the container has leakage phenomenon, and the air tightness test is necessary for the pressure container with extremely high toxicity degree of the medium or with little leakage allowed by design.
When the air tightness detection operation is carried out on the container product, the air inlet position is required to be sealed, the existing sealing mode is mostly manual and direct manual or is used for sealing by means of other appliances, the problems of low sealing efficiency and poor sealing effect exist, and the air tightness detection result of the final container product is very easy to influence.
How to design an air tightness detection plug and how to increase the sealing efficiency of the air inlet position of a container product becomes a problem to be solved urgently.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide an airtight detecting plug for solving the problem of low sealing efficiency in the prior art that the sealing of the air inlet position of the container product is performed manually.
In order to achieve the above purpose, the utility model provides an air tightness detection plug, which comprises a main shell, wherein a movable liner is slidably arranged in the main shell, and the outer wall of the movable liner is in sealing fit with the inner wall of the rear end of the main shell;
the movable liner is provided with a first air passage and a second air passage which penetrate through the movable liner from front to back, wherein the front end of the second air passage is connected and communicated with the rear end of the air inlet rod, the front end of the air inlet rod penetrates out of the inner connecting limiting ring of the main shell, a silica gel sealing sleeve is arranged between the rear end of the limiting ring and the front end of the main shell, the silica gel sealing sleeve is sleeved on the air inlet rod, and the outer wall of the air inlet rod is in sealing fit with the inner wall of the front end of the main shell.
By adopting the technical scheme: the inside that can directly get into the main casing by the gas that first air flue lets in, the atmospheric pressure between main casing and the activity inner bag increases, can promote the activity inner bag and retreat, can stimulate the inlet rod when the activity inner bag retreats, and the spacing ring of inlet rod front end can extrude the silica gel seal cover between the main casing, makes silica gel seal cover swell deformation and container product air inlet inner wall formation support, accomplishes the air inlet seal of container product fast, can directly follow the second air flue and inlet rod and carry out the gas tightness and detect to the inside air feed of container product.
In an embodiment of the utility model, a first sealing ring is arranged on the movable liner along the circumferential limit sleeve and is in sealing fit with the inner wall of the rear end of the main shell through the first sealing ring;
by adopting the technical scheme: the movable liner and the main shell are sealed relatively by the first sealing ring, so that the problem that the movable liner cannot move inside the main shell due to air leakage is avoided.
In an embodiment of the present utility model, a first pipe joint is connected and communicated with the movable liner corresponding to the rear end of the first air channel;
by adopting the technical scheme: the difficulty in connection and communication of the peripheral pipe body and the first air passage is reduced by additionally arranging the first pipe joint, and the quick connection of the first air passage and the peripheral air source is realized.
In an embodiment of the present utility model, a second pipe joint is connected and communicated with the movable liner at the rear end corresponding to the second air passage;
by adopting the technical scheme: the difficulty in connection and communication of the peripheral pipe body and the second air passage is reduced by additionally arranging the second pipe joint, and the quick connection of the second air passage and the peripheral air source is realized.
In an embodiment of the utility model, the limiting ring is integrally connected to the front end circumference of the air inlet rod;
by adopting the technical scheme: the relative fixation of the limiting ring and the air inlet rod is realized, and the air inlet rod is ensured to move to drive the limiting ring to extrude the silica gel sealing sleeve to realize the corresponding sealing function.
In an embodiment of the utility model, the air inlet rod is provided with a second sealing ring corresponding to the limiting sleeve penetrating out of the inner position of the main shell, and the second sealing ring is in sealing fit with the inner wall of the front end of the main shell;
by adopting the technical scheme: the second sealing ring is arranged to enable the air inlet rod and the main shell to be sealed relatively, so that the problem that the movable liner cannot move inside the main shell due to air leakage is avoided.
In an embodiment of the utility model, a docking cylinder is docked at the rear end of the main housing, and a side through hole is formed at a side portion of the docking cylinder.
By adopting the technical scheme: the butt joint barrel is additionally arranged to facilitate the connection of the whole body with other mechanisms; lateral guide tubes are formed by arranging the lateral through holes, so that the connection and layout of the air tubes are facilitated.
Advantageous effects
In the structure, the movable liner moves in the main shell through air supply, so that the air inlet rod is pulled to extrude the silica gel sealing sleeve, the extrusion deformation of the silica gel sealing sleeve is utilized to adapt to the shape in the air inlet of the container product, the quick blocking and sealing of the air inlet of the container product are realized, the blocking effect can be ensured, and the sealing efficiency of the air inlet position of the container product before air tightness detection is increased; the popularization and application have good economic benefit and social benefit.
Drawings
Fig. 1 is a front view of the present utility model.
Fig. 2 is a top cross-sectional view of the present utility model.
In the figure: 1. a main housing; 2. a movable liner; 3. a first airway; 4. a second airway; 5. an air inlet rod; 6. a silica gel sealing sleeve; 7. a butt joint barrel; 8. a side through hole; 9. a first pipe joint; 10. a second pipe joint; 11. a first seal ring; 12. and a second sealing ring.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
Please refer to fig. 1-2. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
As shown in fig. 1-2, the utility model provides an air tightness detection plug, which comprises a main shell 1, wherein a movable liner 2 is slidably arranged in the main shell 1, and the outer wall of the movable liner 2 is in sealing fit with the inner wall of the rear end of the main shell 1; the movable liner 2 is provided with a first air passage 3 and a second air passage 4 which penetrate through the movable liner 2 from front to back, wherein the front end of the second air passage 4 is connected and communicated with the rear end of an air inlet rod 5, the front end of the air inlet rod 5 penetrates out of an internal connection limiting ring of the main shell 1, a silica gel sealing sleeve 6 is arranged between the rear end of the limiting ring and the front end of the main shell 1, the silica gel sealing sleeve 6 is sleeved on the air inlet rod 5, and the outer wall of the air inlet rod 5 is in sealing fit with the inner wall of the front end of the main shell 1; the gas that is let in by first air flue 3 can directly get into the inside of main casing 1, the atmospheric pressure between main casing 1 and the activity inner bag 2 increases, can promote activity inner bag 2 to retreat, can pull intake rod 5 when activity inner bag 2 retreats, the spacing ring of intake rod 5 front end can extrude the silica gel seal cover 6 between main casing 1, make silica gel seal cover 6 swell deformation and container product air inlet inner wall form the support, accomplish the air inlet seal of container product fast, can directly carry out the gas tightness detection to the inside air feed of container product through second air flue 4 and intake rod 5 afterwards.
The movable liner 2 is provided with a first sealing ring 11 along the circumferential limit sleeve, and is in sealing fit with the inner wall of the rear end of the main shell 1 through the first sealing ring 11, so that the movable liner 2 and the main shell 1 are relatively sealed through the first sealing ring 11, and the problem that the movable liner 2 cannot move in the main shell 1 due to air leakage is avoided; the air inlet rod 5 is correspondingly provided with a second sealing ring 12 penetrating out of the position of the inside of the main shell 1, and is in sealing fit with the inner wall of the front end of the main shell 1 through the second sealing ring 12, and the air inlet rod 5 and the main shell 1 are sealed relatively through the second sealing ring 12, so that the problem that the movable liner 2 cannot move inside the main shell 1 due to air leakage is avoided.
The rear end of the movable liner 2 corresponding to the first air channel 3 is connected and communicated with a first pipe joint 9, and the difficulty in connecting and communicating the external pipe body with the first air channel 3 is reduced by additionally arranging the first pipe joint 9, so that the quick connection between the first air channel 3 and an external air source is realized; the movable liner 2 is connected and communicated with the second pipe joint 10 corresponding to the rear end of the second air passage 4, and the difficulty in connecting and communicating the peripheral pipe body with the second air passage 4 is reduced by additionally arranging the second pipe joint 10, so that the quick connection between the second air passage 4 and a peripheral air source is realized.
The rear end of the main shell 1 is butted with a butting cylinder 7, a side through hole 8 is formed in the side part of the butting cylinder 7, and the butting cylinder 7 is additionally arranged to facilitate the connection of the whole body with other mechanisms; the lateral through holes 8 are arranged to realize lateral guiding pipes, so that the connection and the arrangement of the air pipes are facilitated.
The air tightness detection plug can be used for directly plugging an air inlet for air tightness detection of a container product; during the concrete implementation, stretch main casing 1 front end admission pole 5 extension and silica gel seal cover 6 to inside the container product air inlet, by the peripheral hardware air supply to first air flue 3 air feed, pressure increase between main casing 1 and the movable inner bag 2, promote movable inner bag 2 and the admission pole 5 of being connected with it and move backward, thereby the extrusion silica gel seal cover 6 makes its deformation support with container product air inlet inner wall and leans on, realize the shutoff of air inlet, seal, later through peripheral hardware air supply to second air flue 4 air feed, the gas is got into to the container product inside by admission pole 5 and is carried out corresponding gas tightness and detects the operation.
In summary, the air tightness detection plug provided by the utility model has the advantages that the movable liner 2 moves in the main shell 1 through air supply, so that the air inlet rod 5 is pulled to extrude the silica gel sealing sleeve 6, the extrusion deformation of the silica gel sealing sleeve 6 is utilized to adapt to the shape of the inside of the air inlet of a container product, the air inlet of the container product is rapidly plugged and sealed, the plugging effect can be ensured, and the sealing efficiency of the air inlet position of the container product before air tightness detection is increased; the popularization and application have good economic benefit and social benefit. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (7)
1. The utility model provides a gas tightness detects end cap, includes main casing body (1), its characterized in that: the movable liner (2) is arranged in the main shell (1) in a sliding manner, and the outer wall of the movable liner (2) is in sealing fit with the inner wall of the rear end of the main shell (1);
the novel air intake valve is characterized in that a first air passage (3) and a second air passage (4) penetrating through the movable inner container (2) from front to back are formed in the movable inner container (2), the front end of the second air passage (4) is connected and communicated with the rear end of the air intake rod (5), the front end of the air intake rod (5) penetrates out of the inner connecting limiting ring of the main shell (1), a silica gel sealing sleeve (6) is arranged between the rear end of the limiting ring and the front end of the main shell (1), the silica gel sealing sleeve (6) is sleeved on the air intake rod (5), and the outer wall of the air intake rod (5) is in sealing fit with the inner wall of the front end of the main shell (1).
2. The air tightness detection plug of claim 1, wherein: the movable liner (2) is provided with a first sealing ring (11) along the circumferential limit sleeve, and the movable liner is in sealing fit with the inner wall of the rear end of the main shell (1) through the first sealing ring (11).
3. The air tightness detection plug of claim 1, wherein: the movable liner (2) is connected and communicated with a first pipe joint (9) corresponding to the rear end of the first air passage (3).
4. The air tightness detection plug of claim 1, wherein: the movable liner (2) is connected and communicated with a second pipe joint (10) corresponding to the rear end of the second air passage (4).
5. The air tightness detection plug of claim 1, wherein: the limiting ring is integrally connected to the front end circumference of the air inlet rod (5).
6. The air tightness detection plug of claim 1, wherein: the air inlet rod (5) is correspondingly provided with a second sealing ring (12) penetrating out of the limiting sleeve at the inner position of the main shell (1), and the air inlet rod is in sealing fit with the inner wall of the front end of the main shell (1) through the second sealing ring (12).
7. The air tightness detection plug of claim 1, wherein: the rear end of the main shell (1) is in butt joint with a butt joint barrel (7), and a side through hole (8) is formed in the side part of the butt joint barrel (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321365462.4U CN219712308U (en) | 2023-05-31 | 2023-05-31 | Air tightness detection plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321365462.4U CN219712308U (en) | 2023-05-31 | 2023-05-31 | Air tightness detection plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219712308U true CN219712308U (en) | 2023-09-19 |
Family
ID=88001039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321365462.4U Active CN219712308U (en) | 2023-05-31 | 2023-05-31 | Air tightness detection plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219712308U (en) |
-
2023
- 2023-05-31 CN CN202321365462.4U patent/CN219712308U/en active Active
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