CN220039755U - Product gas tightness verifying attachment - Google Patents
Product gas tightness verifying attachment Download PDFInfo
- Publication number
- CN220039755U CN220039755U CN202321373526.5U CN202321373526U CN220039755U CN 220039755 U CN220039755 U CN 220039755U CN 202321373526 U CN202321373526 U CN 202321373526U CN 220039755 U CN220039755 U CN 220039755U
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- CN
- China
- Prior art keywords
- air
- sealing ring
- inflatable
- inflatable sealing
- air inlet
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- 238000007789 sealing Methods 0.000 claims abstract description 51
- 238000012360 testing method Methods 0.000 claims abstract description 13
- 238000007689 inspection Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Abstract
The utility model discloses a product air tightness testing device, which belongs to the technical field of air tightness testing, and particularly relates to a product air tightness testing device, comprising two sealing covers for sealing two ends of a pipeline, wherein the two sealing covers are in a bottle cap shape, the inner side wall of each sealing cover is provided with an annular inflatable sealing ring, and the inflatable sealing ring is positioned at a gap between the outer side wall of the pipeline and the inner side wall of each sealing cover; the inflatable sealing ring is provided with an inflation and deflation device for inflating and deflating the inflatable sealing ring; the lateral wall of one of them shutoff lid is provided with the barometer, and the barometer surveys the end and extends to be located the inboard middle part of shutoff lid, and the lateral wall of shutoff lid still communicates and is provided with the intake pipe. According to the utility model, a user presses the inflatable bag to enable external air to enter the inflatable sealing ring through the one-way air inlet valve to inflate the inflatable sealing ring, so that the thickness of the inflatable sealing ring is adjusted, gaps between the outer side wall of the pipeline and the inner side wall of the plugging cover are filled, and the traditional blind plates and the mode of plugging two ends of the pipeline by bolts are replaced, so that the inflatable sealing ring is more convenient and faster.
Description
Technical Field
The utility model relates to the technical field of air tightness inspection, in particular to a product air tightness inspection device.
Background
Pipes are devices for transporting gas, liquid or fluid with solid particles, which are coupled by pipes, pipe couplings, valves, etc. In the process of casting a pipeline product, defects such as shrinkage cavities and cracks can sometimes occur, so that the defects can cause poor air tightness of castings in the use process, the performance is affected, and even accidents occur in the use process, so that the air tightness of pipelines leaving a factory is required to be detected.
The existing airtight inspection mode has the advantages that a certain volume of gas with a certain pressure is introduced into a sealed workpiece cavity, the workpiece cavity is kept still for a period of time to enable the pressure to be stable, then compressed air supply (valve closing) of a component is disconnected, pressure change is measured after a set measurement time passes, if leakage exists, sensing pressure can drop, the two ends of a pipeline are plugged through a blind plate and a bolt, one end of the pipeline is provided with an air injection device and an air pressure gauge, after the gas is injected into the pipeline, the air pressure gauge is checked to see whether the air pressure gauge changes or not after the air pressure gauge is placed for a period of time, so that whether the pipeline leaks or not is detected, and the traditional blind plate is combined with the bolt plugging mode, the bolts are required to be screwed one by one at opposite angles after the pipeline port and the blind plate are required to be loosened one by one after detection, the efficiency is low, and therefore the product airtight inspection device needs to be developed.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.
In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:
a product air tightness inspection device, comprising:
the sealing device comprises sealing covers used for sealing two ends of a pipeline, wherein the two sealing covers are in bottle cap shapes, annular inflatable sealing rings are arranged on the inner side walls of the sealing covers, and the inflatable sealing rings are positioned at gaps between the outer side walls of the pipeline and the inner side walls of the sealing covers;
the inflatable sealing ring is provided with an inflation and deflation device for inflating and deflating the inflatable sealing ring;
the lateral wall of one of them shutoff lid is provided with the barometer, the barometer surveys the end and extends to be located the inboard middle part of shutoff lid, the lateral wall of shutoff lid still communicates and is provided with the intake pipe.
As a preferred embodiment of the product air tightness test device according to the present utility model, wherein: the inflating and deflating device comprises an air inlet which is arranged on one side of the inflatable sealing ring and communicated with the cavity in the bag, the air inlet is tightly connected with an air pipe, and an inflating bag is arranged at the other end of the air pipe.
As a preferred embodiment of the product air tightness test device according to the present utility model, wherein: the outer end of the inflatable bag is provided with a one-way air inlet valve, and the other end of the inflatable bag is provided with a one-way air outlet valve and a manual control air outlet valve.
As a preferred embodiment of the product air tightness test device according to the present utility model, wherein: the air inlet of the one-way air outlet valve is communicated with the inflatable bag, the air outlet is communicated with the air pipe, the air inlet of the manual control air outlet valve is communicated with the air pipe, the air outlet is communicated with the outside of the air pipe, and the one-way air outlet valve and the manual control air outlet valve are integrated.
As a preferred embodiment of the product air tightness test device according to the present utility model, wherein: the air inlet pipe is provided with a control valve, and the other end of the air inlet pipe is connected with an air inlet pump and an air tank.
Compared with the prior art, the utility model has the beneficial effects that: the user is through pressing the inflatable bag for the outside air gets into inflatable sealing ring through one-way admission valve, inflates inflatable sealing ring to adjust inflatable sealing ring's thickness, make its clearance of filling between pipeline lateral wall and the shutoff lid inside wall, replace traditional blind plate, bolt shutoff pipeline both ends's mode, it is more convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, which are to be understood as merely some embodiments of the present utility model, and from which other drawings can be obtained by those skilled in the art without inventive faculty. Wherein:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram illustrating the side view of FIG. 1 in accordance with the present utility model;
FIG. 3 is a schematic side view of a closure cap according to the present utility model;
fig. 4 is a schematic side view of another closure cap according to the present utility model.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.
In the following detailed description of the embodiments of the present utility model, the cross-sectional view of the device structure is not partially enlarged to a general scale for the convenience of description, and the schematic is merely an example, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
Referring to fig. 1-4, a schematic structural diagram of an embodiment of a product air tightness testing device according to the present utility model is shown, and referring to fig. 1-4, a product air tightness testing device is described in detail.
A product air tightness inspection device comprises
The sealing caps 100 are used for sealing two ends of the pipeline 300, the two sealing caps 100 are in bottle cap shapes, the inner side walls of the sealing caps 100 are provided with annular inflatable sealing rings 110, and the inflatable sealing rings 110 are positioned at gaps between the outer side walls of the pipeline 300 and the inner side walls of the sealing caps 100;
the inflatable sealing ring 110 is provided with an inflation and deflation device 200 for inflating and deflating the inflatable sealing ring 110;
the lateral wall of one of them shutoff lid 100 is provided with barometer 120, and barometer 120 surveys the end and extends to be located shutoff lid 100 inboard middle part, and the lateral wall of shutoff lid 100 still communicates and is provided with intake pipe 130, is provided with the control valve on the intake pipe 130, and the other end of intake pipe 130 is connected with air inlet pump and gas pitcher, has deposited clean, dry air or inert gas in the gas pitcher, and stability is better.
Referring to fig. 1 and 3 again, the air charging and discharging device pipe 300 includes an air inlet which is positioned at one side of the inflatable sealing ring 110 and is communicated with the cavity in the bag, the air inlet is tightly connected with an air pipe 210, the other end of the air pipe 210 is provided with an inflatable bag 230, the outer end of the inflatable bag 230 is provided with a one-way air inlet valve 240, the other end is provided with a one-way air outlet valve and a manual air outlet valve 220, the air inlet of the one-way air outlet valve is communicated with the inflatable bag 230, the air outlet is communicated with the air pipe, the air outlet of the manual air outlet valve 220 is communicated with the outside of the air pipe, the one-way air outlet valve and the manual air outlet valve 220 are integrated, and the one-way air outlet valve and the manual air outlet valve 220 are convenient for discharging the air in the inflatable bag 230;
the user is through pressing the inflatable bag 230 for outside air gets into inflatable sealing ring 110 through one-way admission valve 240, inflates inflatable sealing ring 110, thereby adjusts inflatable sealing ring 110's thickness, makes its clearance between filling pipe 300 lateral wall and the shutoff lid 100 inside wall, replaces traditional blind plate, bolt shutoff pipe 300 both ends's mode, and is more convenient.
Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. A product air tightness inspection device, comprising:
the sealing device comprises sealing covers (100) used for sealing two ends of a pipeline (300), wherein the two sealing covers (100) are in bottle cap shapes, annular inflatable sealing rings (110) are arranged on the inner side walls of the sealing covers (100), and the inflatable sealing rings (110) are located at gaps between the outer side walls of the pipeline (300) and the inner side walls of the sealing covers (100);
the inflatable sealing ring (110) is provided with an inflation and deflation device (200) for inflating and deflating the inflatable sealing ring (110);
the side wall of one plugging cover (100) is provided with a barometer (120), the detection end of the barometer (120) extends to be located at the middle part of the inner side of the plugging cover (100), and the side wall of the plugging cover (100) is further communicated with an air inlet pipe (130).
2. A product gas tightness test device according to claim 1 wherein: the inflating and deflating device (200) comprises an air inlet which is arranged on one side of the inflatable sealing ring (110) and communicated with the cavity in the bag, the air inlet is tightly connected with an air pipe (210), and an inflating bag (230) is arranged at the other end of the air pipe (210).
3. A product gas tightness test device according to claim 2 wherein: the outer end of the air-filled bag (230) is provided with a one-way air inlet valve (240), and the other end is provided with a one-way air outlet valve and a manual control air outlet valve (220).
4. A product gas tightness test device according to claim 3 wherein: the air inlet of the one-way air outlet valve is communicated with the air inflation bag (230), the air outlet is communicated with the air pipe, the air inlet of the manual control air outlet valve (220) is communicated with the air pipe, the air outlet is communicated with the outside of the air pipe, and the one-way air outlet valve and the manual control air outlet valve (220) are integrated.
5. A product gas tightness test device according to claim 1 wherein: the air inlet pipe (130) is provided with a control valve, and the other end of the air inlet pipe (130) is connected with an air inlet pump and an air tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321373526.5U CN220039755U (en) | 2023-06-01 | 2023-06-01 | Product gas tightness verifying attachment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321373526.5U CN220039755U (en) | 2023-06-01 | 2023-06-01 | Product gas tightness verifying attachment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220039755U true CN220039755U (en) | 2023-11-17 |
Family
ID=88735447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321373526.5U Active CN220039755U (en) | 2023-06-01 | 2023-06-01 | Product gas tightness verifying attachment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220039755U (en) |
-
2023
- 2023-06-01 CN CN202321373526.5U patent/CN220039755U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |