CN220120308U - Air tightness detection device - Google Patents
Air tightness detection device Download PDFInfo
- Publication number
- CN220120308U CN220120308U CN202321563283.1U CN202321563283U CN220120308U CN 220120308 U CN220120308 U CN 220120308U CN 202321563283 U CN202321563283 U CN 202321563283U CN 220120308 U CN220120308 U CN 220120308U
- Authority
- CN
- China
- Prior art keywords
- air
- pressing plate
- working box
- lower pressing
- groove
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 238000012360 testing method Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 8
- 239000013013 elastic material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 11
- 210000003437 trachea Anatomy 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to the field of air tightness detection, in particular to an air tightness detection device, which comprises a workbench, a working box, a sliding device, a jig, a containing cavity, a push rod device, a lower pressing plate and an air pump, wherein a rectangular groove is formed in the jig, and the jig is arranged on the sliding device; the accommodating cavity is arranged on the rectangular groove of the jig, the top of the accommodating cavity is provided with an opening, and the opening of the top of the accommodating cavity is provided with a stepped groove; the push rod device is arranged at the top of the working box, the lower part of the push rod device is connected with the lower pressing plate, the top of the lower pressing plate is provided with a circular through hole, the bottom of the lower pressing plate is provided with a convex groove, and the convex groove at the bottom of the lower pressing plate is matched with the stepped groove at the top opening of the accommodating cavity; the air pump is arranged above the working box, and the air pipe is connected with the air pump and the through hole at the top of the lower pressing plate. Through set up the rectangle recess on the tool, can keep the stability of holding chamber when detecting, improve the detection accuracy, the tight cooperation of holding chamber is pressed down to the holding, has guaranteed that the gas tightness of device is good, and detection efficiency improves greatly.
Description
Technical Field
The utility model relates to the field of air tightness detection, in particular to an air tightness detection device.
Background
The air tightness detection principle is that the leakage rate and the leakage value of the air tightness detector are obtained through a series of sampling, calculating and analyzing of the air tightness detector by equivalent air intake, pressure stabilization, detection and detection of the air pressure, and judgment is made according to the data; more commonly, such as common electronic terminal equipment, waterproof treatment is performed, and waterproof test is performed on the terminal equipment with waterproof effect. However, the current nondestructive waterproof test method cannot accurately locate the specific leakage position of the terminal device. There is an urgent need for a simple airtight verifying apparatus to verify whether the airtight of the device is intact.
As disclosed in chinese patent CN218381483U, an air tightness detecting device comprises an air storage tank pre-storing a preset amount of air, a testing cavity and a barometer, wherein the testing cavity is used for accommodating a sample to be detected, and the testing cavity is communicated with the air storage tank through a pipeline; the barometer is arranged between the air storage tank or the testing cavity or between the air storage tank and the testing cavity and is used for detecting the air pressure of the air storage tank and the air pressure of the testing cavity in a balanced state. However, when the air tightness of the object is tested, the technical scheme cannot ensure that the air tightness in the test cavity is good, and the test cavity is closed by bolts each time, so that the operation is complicated, and only one part can be tested at a time; in the air tightness detection process, air is input into the test cavity from the air pump, the test cavity cannot be ensured to be stable in the test process, the air tightness detection result can be influenced, and detection errors are caused.
Disclosure of Invention
1. Technical problem to be solved
The utility model aims at the defects in the prior art, and particularly provides an air tightness detection device, which can effectively fix a containing cavity by arranging a rectangular groove on a jig, does not cause displacement of the containing cavity in the sliding process of the jig, and does not influence the closing of a lower pressing plate; the stepped groove is arranged at the top opening of the accommodating cavity, so that the stepped groove can be effectively closed with the protruding groove at the bottom of the lower pressing plate, and the accommodating cavity is maintained to have good overall air tightness; through the connection of the air pipe, the air pump and the accommodating cavity, the air tightness of the object to be detected can be accurately detected.
2. Technical proposal
In order to solve the technical problems, the utility model provides an air tightness detection device,
the device comprises a workbench, a working box, a sliding device, a jig, a containing cavity, a push rod device, a lower pressing plate and an air pump, wherein a rectangular groove is formed in the jig;
the working box is arranged on the working table, a first through hole and a second through hole are formed above the working box, the sliding device is arranged in the working box, and the jig is arranged on the sliding device; the accommodating cavity is arranged on the rectangular groove of the jig, the top of the accommodating cavity is provided with an opening, and the opening of the top of the accommodating cavity is provided with a stepped groove;
the push rod device is arranged at the top of the working box, the lower part of the push rod device is connected with a lower pressing plate, the lower pressing plate is arranged inside the working box, the connection of the push rod device and the lower pressing plate is realized through a first through hole above the working box, the top of the lower pressing plate is provided with a circular through hole, a circular through hole is provided with a circular groove, the bottom of the lower pressing plate is provided with a convex groove, and the convex groove at the bottom of the lower pressing plate is matched with a stepped groove at the top opening of the accommodating cavity;
the air pump sets up in the work box top, and the trachea top is connected with the air pump through the second through-hole, and the trachea below is connected with the circular through-hole in holding down plate top.
Preferably, an inflation adapter is arranged below the air pipe, the inflation adapter and the air pipe are of an integrated structure, and the inflation adapter is fixed with the lower pressing plate through bolts.
Preferably, a first sealing ring is arranged at the contact part of the circular groove at the top of the lower pressing plate and the inflation adapter.
Preferably, a second sealing ring is arranged in the stepped groove at the top of the accommodating cavity.
Preferably, a support column is arranged below the jig.
Preferably, a retainer is arranged in the working box and is arranged on one side of the air pipe connected with the air pump, and the retainer is connected with the top of the inner side of the working box.
Preferably, the cage is connected to the working box by bolts.
Preferably, the air tube is made of elastic materials.
3. Advantageous effects
Compared with the prior art, the rectangular groove is formed in the jig, so that the accommodating cavity can be effectively fixed, displacement of the accommodating cavity cannot be caused in the sliding process of the jig, and the closing of the lower pressing plate at the back is affected; the step groove is arranged at the top opening of the accommodating cavity, so that the step groove can be effectively closed with the protruding groove at the bottom of the lower pressing plate, and the integral air tightness of the accommodating cavity is maintained; the air tightness in the accommodating cavity can be accurately detected through the connection of the air pipe, the air pump and the accommodating cavity; meanwhile, the air-charging adapter is arranged below the air pipe, so that the stability of the air pipe can be effectively maintained in the operation process of the air pump, and the gas is prevented from overflowing from the accommodating cavity to influence the detection result.
Further, through setting up the support column in the tool below, the effectual tool that has reduced the downforce that the tool received in the process of pushing down has maintained the whole stability of tool to and the stability of whole device operation, improved the authenticity of testing result, and through setting up the holder, effectually protect the trachea, prevent to cause the damage to the trachea at the in-process of pushing down constantly, thereby avoid the testing result error to appear.
Drawings
Fig. 1 is a front view of an air tightness detecting device;
fig. 2 is a schematic perspective view of an air tightness detecting device;
FIG. 3 is a schematic view of a working box structure of the air tightness detecting device;
FIG. 4 is a schematic view showing a structure in which a push rod device of an air tightness detecting device is connected with a lower pressure plate;
FIG. 5 is a schematic view showing the bottom structure of a lower platen of the air tightness detecting device;
FIG. 6 is a schematic view of the structure of the accommodating chamber of the air tightness detecting device;
FIG. 7 is a schematic view showing a closed structure of a lower platen and a receiving chamber of the air tightness detecting device;
FIG. 8 is a schematic diagram of an air pump structure of the air tightness detecting device;
FIG. 9 is a schematic diagram showing connection between an air pump and a lower pressure plate of an air tightness detecting device;
FIG. 10 is a front view of the inside of the tool box at the time of detection by the air tightness detection device;
fig. 11 is a perspective view of the inside of the tool box at the time of detection by the air tightness detection device.
In the figure:
1 is a workbench;
2 is a working box; 21 is a first through hole; 22 is a second through hole; 23 are support columns;
3 is a sliding device;
4 is a jig; 41 is a rectangular groove;
5 is a containing cavity; 51 is an opening; 52 is a stepped slot; 521 is a second seal ring;
6 is a lower pressing plate; 61 is a convex groove; 62 is a circular through hole; 621 is a circular groove; 6211 is a first seal ring;
7 is a push rod device;
8 is an air pump; 81 is the trachea; 811 is an inflation adapter;
9 is a retainer.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
Example 1:
as shown in fig. 1 to 9, the air tightness detection device of the present embodiment includes a workbench 1, a working box 2, a sliding device 3, a jig 4, a containing cavity 5, a push rod device 7, a lower pressure plate 6 and an air pump 8, wherein a rectangular groove 41 is arranged in the jig 4; the working box 2 is arranged on the working table 1, a first through hole 21 and a second through hole 22 are arranged above the working box 2, the sliding device 3 is arranged in the working box 2, and the jig 4 is arranged on the sliding device 3; the accommodating cavity 5 is arranged on the rectangular groove 41 of the jig 4, an opening 51 is formed in the top of the accommodating cavity 5, and a stepped groove 52 is formed in the position of the opening 51 at the top of the accommodating cavity 5; the push rod device 7 is arranged at the top of the working box 2, the lower part of the push rod device 7 is connected with the lower pressure plate 6, the lower pressure plate 6 is arranged inside the working box 2, the connection between the push rod device and the lower pressure plate is realized through a first through hole 21 above the working box 2, a circular through hole 62 is arranged at the top of the lower pressure plate 6, a circular groove 621 is arranged at the circular through hole 62, a convex groove 61 is arranged at the bottom of the lower pressure plate 6, and the convex groove 61 at the bottom of the lower pressure plate 6 is matched with the stepped groove 52 at the opening 51 at the top of the accommodating cavity 5; the air pump 8 is arranged above the working box 2, the upper part of the air pipe 81 is connected with the air pump 8 through the second through hole 22, and the lower part of the air pipe 81 is connected with the circular through hole 62 at the top of the lower pressing plate 6. The sliding device 3 is preferably a synchronous belt sliding table, and the push rod device 7 is preferably an electric push rod.
When the staff carries out article gas tightness detection device that awaits measuring, put into holding chamber 5 earlier, holding chamber 5 sets up in tool 4 rectangle recess 41, the stability of tool 4 can be kept to rectangle recess 41, through slider 3, tool 4 is carried holding chamber 5 and article that awaits measuring and is removed to holding down plate 6 below, through push rod device 7, push rod interlock holding down plate 6 downward movement, holding down plate 6 bottom bulge groove suits with holding chamber 5 open-top 51 department ladder groove 52, accomplish the closure to holding chamber 5, open air pump 8 again, input gas through trachea 81 to holding intracavity 5, detect the gas tightness of article that awaits measuring.
As shown in fig. 8, an air-charging adapter 811 is provided below the air pipe 81, and by providing the air-charging adapter 811, the air pipe 81 can be quickly installed, and the stability of the air pipe 81 can be maintained and the detection error can be reduced during the operation of the air pump 8.
As shown in fig. 7, a first sealing ring 6211 is disposed in the circular groove 621 at the top of the lower pressure plate 6, and by setting the first sealing ring 6211, the air tightness in the accommodating cavity 5 is kept good, and in the operation process of the air pump 8, the air pressure is prevented from being too large, so that the air flows out from the circular through hole 62 at the top of the lower pressure plate 6, the detection data is affected, and the detection result is affected.
As shown in fig. 6, a second sealing ring 521 is disposed in the stepped groove 52 of the top opening 51 of the accommodating cavity 5, and by disposing the second sealing ring 521, gas overflow between the lower pressure plate 6 and the accommodating cavity 5 can be reduced in the closing process, and the air pressure in the accommodating cavity 5 is maintained stable.
Example 2:
compared to embodiment 1, as shown in fig. 11, in this embodiment, the support column 23 is disposed below the jig 4, and by setting the support column 23, the downward pressure of the jig 4 alone is reduced in the downward pressing process, so as to avoid unstable accommodating cavity 5 and affecting the air tightness in the accommodating cavity 5, resulting in detection errors.
As shown in fig. 10, a retainer 9 is disposed in the working box 2, the retainer 9 is disposed on one side of the air pipe 81 connected with the air pump 8, the retainer 9 is connected with the top of the inner side of the working box 2, and the stability of the air pipe 81 is maintained by disposing the retainer 9, so that the air pipe 81 is prevented from being unstable in the pressing process, and is easily separated from the connection of the air pump 8, thereby affecting the air tightness detection.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (8)
1. The air tightness detection device is characterized by comprising a workbench (1), a working box (2), a sliding device (3), a jig (4), a containing cavity (5), a push rod device (7), a lower pressing plate (6) and an air pump (8), wherein a rectangular groove (41) is formed in the jig (4);
the working box (2) is arranged on the working table (1), a first through hole (21) and a second through hole (22) are formed above the working box (2), the sliding device (3) is arranged in the working box (2), and the jig (4) is arranged on the sliding device (3); the accommodating cavity (5) is arranged on the rectangular groove (41) of the jig (4), an opening (51) is formed in the top of the accommodating cavity (5), and a stepped groove (52) is formed in the position of the opening (51) in the top of the accommodating cavity (5);
the push rod device (7) is arranged at the top of the working box (2), a lower pressing plate (6) is connected below the push rod device (7), the lower pressing plate (6) is arranged inside the working box (2), connection of the push rod device and the lower pressing plate is achieved through a first through hole (21) above the working box (2), a circular through hole (62) is arranged at the top of the lower pressing plate (6), a circular groove (621) is formed in the circular through hole (62), a protruding groove (61) is formed in the bottom of the lower pressing plate (6), and the protruding groove (61) at the bottom of the lower pressing plate (6) is matched with a stepped groove (52) at an opening (51) at the top of the accommodating cavity (5);
the air pump (8) is arranged above the working box (2), the upper part of the air pipe (81) is connected with the air pump (8) through the second through hole (22), and the lower part of the air pipe (81) is connected with the circular through hole (62) at the top of the lower pressing plate (6).
2. The air tightness detection device according to claim 1, wherein an air inflation adapter (811) is arranged below the air pipe (81), the air inflation adapter (811) and the air pipe (81) are of an integrated structure, and the air inflation adapter (811) is fixed with the lower pressure plate (6) through bolts.
3. The air tightness detection device according to claim 2, wherein a first sealing ring (6211) is arranged at a contact position of the circular groove (621) at the top of the lower pressure plate (6) and the inflation adapter (811).
4. An air tightness testing device according to claim 1, wherein a second sealing ring (521) is arranged in the stepped groove (52) of the top opening (51) of the housing chamber (5).
5. The air tightness detection device according to claim 1, characterized in that a support column (23) is arranged below the jig (4).
6. The air tightness detection device according to claim 1, wherein a retainer (9) is arranged in the working box (2), the retainer (9) is arranged on one side of the air pipe (81) connected with the air pump (8), and the retainer (9) is connected with the top of the inner side of the working box (2).
7. An air tightness testing device according to claim 6, wherein the holder (9) is connected to the working box (2) by means of bolts.
8. An air tightness detection device according to claim 1, characterized in that the air tube (81) is made of an elastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321563283.1U CN220120308U (en) | 2023-06-19 | 2023-06-19 | Air tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321563283.1U CN220120308U (en) | 2023-06-19 | 2023-06-19 | Air tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220120308U true CN220120308U (en) | 2023-12-01 |
Family
ID=88888467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321563283.1U Active CN220120308U (en) | 2023-06-19 | 2023-06-19 | Air tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220120308U (en) |
-
2023
- 2023-06-19 CN CN202321563283.1U patent/CN220120308U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6533341B2 (en) | Pressure resistance inspection system for valve, inspection method therefor and hydrogen gas detection unit | |
| US7905132B1 (en) | Leak testing using tracer gas permeable membrane | |
| CN205826241U (en) | Air-tightness detection device | |
| CN211870290U (en) | On-site inspection or calibration oil storage device for oil chromatography on-line monitoring device in high-altitude area | |
| US20230253632A1 (en) | Method for leak testing a battery cell | |
| JP3963340B2 (en) | Gas measuring method and apparatus using the same | |
| CN220120308U (en) | Air tightness detection device | |
| CN108982019B (en) | Lithium battery air tightness inspection device | |
| CN212254508U (en) | Fuel cell membrane electrode airtightness detection device and system | |
| CN205483435U (en) | Product gas tightness check out test set | |
| CN206096030U (en) | Portable PH apparatus | |
| KR102420042B1 (en) | Leakage Sensing Device for Square Shaped Secondary Battery Case | |
| CN113138057A (en) | Soft package battery leakage detection method and system | |
| CN115597795A (en) | Buckle closure type leakage detection device, method and system for inflatable sealed container | |
| US11860064B2 (en) | Battery pack leakage detection system and detection method based on tracer gas cumulative test | |
| CN208653736U (en) | A kind of new-type sealing leakage detection apparatus | |
| CN209486027U (en) | A kind of conductivity analyzer convenient for sampling | |
| CN115127736A (en) | Tightness testing device and tightness testing system | |
| CN210572297U (en) | Detection apparatus for soil emission gas isotope | |
| CN220961121U (en) | Diaphragm air permeability testing arrangement | |
| CN218566815U (en) | Air tightness detection device for iron casting | |
| CN215375338U (en) | Cross interference calibration test device for gas monitor | |
| CN210625951U (en) | Sealing detector | |
| CN217358436U (en) | Anode carbon block electrode groove measuring device | |
| CN212674387U (en) | Sealing performance testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |