CN220960462U - Soaking type air tightness detection device - Google Patents
Soaking type air tightness detection device Download PDFInfo
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- CN220960462U CN220960462U CN202323024244.7U CN202323024244U CN220960462U CN 220960462 U CN220960462 U CN 220960462U CN 202323024244 U CN202323024244 U CN 202323024244U CN 220960462 U CN220960462 U CN 220960462U
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- 238000001514 detection method Methods 0.000 title claims abstract description 38
- 238000002791 soaking Methods 0.000 title description 5
- 238000007789 sealing Methods 0.000 claims abstract description 154
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000006073 displacement reaction Methods 0.000 claims abstract description 3
- 238000005286 illumination Methods 0.000 claims description 9
- 238000007654 immersion Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to the technical field of air tightness detection devices, and discloses a submerged air tightness detection device which comprises a water tank, a hanging assembly, a plugging assembly and an inflation assembly, wherein the hanging assembly is arranged on the water tank; the plugging assembly comprises a first locking screw, a first plugging cover, a second locking screw, a third plugging cover and a fourth plugging cover, wherein the first plugging cover and the second plugging cover are connected with the first locking screw; the first sealing rings are arranged on the sides, which are in contact with the holes, of the first sealing cover, the second sealing cover, the third sealing cover and the fourth sealing cover; the second sealing cover and the fourth sealing cover are also provided with second sealing rings; the first locking screw is provided with a yielding hole for yielding and installing the second locking screw and preventing displacement; the device has the advantages of simple structure, simple operation, low manufacturing cost, no detection blind area, improved air tightness and firm stability after parts are installed, improved air bubble observation precision and efficiency, reduced production cost, and suitability for popularization and use.
Description
Technical Field
The utility model relates to the technical field of air tightness detection devices, in particular to a submerged air tightness detection device.
Background
After chassis system housing parts cast, need to carry out the gas tightness and detect. Because the shell is hollow, and 4 planes of the shell part are all provided with holes. During testing, pressurized air is introduced into the inner cavity of the shell part, holes in the part are plugged, the pressure is maintained for a certain time when the pressurization meets the design requirement, and whether leakage points exist in the shell part is checked in the process.
The existing air tightness detection equipment is complex in structure, comprises an installation bottom plate, a plug suite, a pneumatic cylinder, a reversing valve, a filtering processor, a light curtain sensor, a logic control box and the like, is high in manufacturing cost (about 50 ten thousand yuan), judges whether a part leaks air or not through a differential pressure comparison method in the detection process, sprays soapy water on the part after judging the part leaks air, inspects and positions leakage defects on the part, and is characterized in that a plane close to the installation bottom plate is a detection blind area, after detection of surfaces except a bottom plane is completed, a product is lifted out and turned 180 degrees, after the product is turned over, the detection equipment is installed, soapy water is continuously sprayed on the bottom plane, the leakage defects on the bottom plane are inspected and positioned, the operation is complex, the use requirements are not met, and the enterprise cost is increased to a certain extent.
Disclosure of utility model
The utility model aims to provide a soaking type air tightness detection device which is used for solving the technical problems that the existing chassis system shell air tightness detection equipment is complex in structure and has a detection blind area.
The basic scheme provided by the utility model is as follows: a soaking type air tightness detection device comprises a water tank, a hanging assembly, a plugging assembly and an inflation assembly; the water tank is a transparent water tank; the hanging assembly is matched with the part structure and is used for hanging the part which is sealed by the sealing assembly and is provided with the hole, and completely immersing the part into the water tank for air tightness detection; the plugging assembly comprises a first locking screw, a first plugging cover fixedly connected to one end of the first locking screw, a second plugging cover movably connected to the other end of the first locking screw, a second locking screw, a third plugging cover fixedly connected to one end of the second locking screw and a fourth plugging cover movably connected to the other end of the second locking screw; the first sealing cover, the second sealing cover, the third sealing cover and the fourth sealing cover are used for sealing the hole of the part, and a first sealing ring is arranged on one side, which is contacted with the hole, of the part; the second sealing cover and the fourth sealing cover are respectively and movably connected to the first locking screw rod and the second locking screw rod by nuts, and second sealing rings are respectively arranged between the nuts and the second sealing cover and between the nuts and the fourth sealing cover; the inflation assembly is connected to the third plugging cover in a sealing manner and is used for introducing pressurized gas into the inner cavity of the shell part through the third plugging cover and the plugged holes of the third plugging cover.
The working principle and the advantages of the utility model are as follows: the shell part is completely sealed from the hole by utilizing the plugging assembly, pressurized gas is introduced into the inner cavity of the shell part by utilizing the inflation assembly, the air tightness effect of the plugging position is firstly checked by using soapy water at the positions of the second plugging cover and the fourth plugging cover nut, after meeting the requirement, the shell part with the plugging assembly is completely immersed into a water tank filled with water by utilizing the hanging assembly and has a first distance with the bottom of the water tank, and as the water tank is transparent, whether bubbles are generated can be detected in all directions of up, down, left, right, front and back, so that whether the air tightness of the shell part is good is judged, and after the detection is finished, the shell part is hung out of the water tank by utilizing the hanging assembly.
Conventionally, it is considered that the air tightness inspection of the shell part must be very accurate, therefore, the structure of the detection device is complex, so as to improve the accuracy of the detection result, further, the manufacturing cost of such detection device is also high (about 50 ten thousand yuan), the production cost of manufacturers is improved, through deep analysis, the scheme provides an air tightness detection device capable of balancing the air tightness detection accuracy and the manufacturing cost, compared with the prior art, the scheme has the advantages of simple structure, easy operation, low manufacturing cost (1.5 ten thousand yuan) while guaranteeing the detection accuracy, improvement of the plugging assembly, fixation of one of two sides of the screw rod, a movable plugging cover plate with a sealing ring, improvement of the plugging effect of the plugging assembly on the shell part, and meanwhile, the plugging effect of the plugging assembly on the shell part is realized through a yielding hole on the first screw rod, on the one hand, the second locking screw rod is prevented from being shifted and mutually restricted and fixed, the air tightness in the detection process is ensured, the water tank is transparent, the air tightness condition can be observed in all directions, the air tightness condition is not detected, the air tightness and firm stability after the parts are installed are improved, the air tightness and the firm stability are improved, the observation accuracy and the production cost is reduced.
Further, the hanger assembly includes a plurality of T-hooks.
The beneficial effects are that: the stability of the hanging process is improved.
Further, a plurality of illuminating lamps are arranged on the left side, the right side and the lower side of the water tank.
The beneficial effects are that: bubble detection can be made clearer through the light.
Further, two illuminating lamps are oppositely arranged on the left side and the right side of the water tank respectively; four illuminating lamps are arranged on the lower side of the water tank.
The beneficial effects are that: such light arrangement sets up, can make from all directions all can observe clearly, avoids unified overall arrangement to lead to the observation definition of difference.
Further, one side of the first sealing ring, which is provided with the first sealing ring, of the first sealing cover, the second sealing cover, the third sealing cover and the fourth sealing cover is provided with a protruding structure.
The beneficial effects are that: utilize protruding structure and hole looks adaptation, when guaranteeing sealed effect, reduce sealing washer materials.
Further, the first sealing ring is of an annular structure, the diameter of the outer ring is respectively matched with the diameters of the first sealing cover, the second sealing cover, the third sealing cover and the fourth sealing cover, and the diameter of the inner ring is respectively matched with the corresponding protruding structures.
The beneficial effects are that: the first sealing ring structure is matched with the plugging cover and the protruding structure of the plugging cover, so that air tightness is guaranteed.
Further, along the axis direction of the first locking screw, the protruding structures of the first sealing cover and the second sealing cover are higher than the height of the first sealing ring. And the protruding structures of the third sealing cover and the fourth sealing cover are lower than the height of the first sealing ring along the axial direction of the second locking screw. The first sealing ring of the fourth sealing cover is provided with a conical structure.
The beneficial effects are that: different protruding structures and different hole looks adaptations carry out the differentiation to sealing washer structure and set up, can guarantee to reach the same sealed effect.
Drawings
Fig. 1 is a front view of a submerged air tightness detecting device (with a housing part) according to an embodiment of the present utility model;
Fig. 2 is a top view of a submerged air tightness detection device (without a shell part) according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a plugging assembly according to an embodiment of the present utility model.
Detailed Description
The following is a further detailed description of the embodiments:
The labels in the drawings of this specification include: the water tank 1, the illuminating lamp 11, the hanging assembly 2, the plugging assembly 3, the first locking screw 31, the first plugging cover 32, the second plugging cover 33, the second locking screw 34, the third plugging cover 35, the fourth plugging cover 36, the first sealing ring 37, the first sealing ring 371 of the third plugging cover, the first sealing ring 372 of the fourth plugging cover, the protruding structure 38, the protruding structure two 381, the nut 39, the second sealing ring 310, the yielding hole 311, the handle 312, the inflating assembly 4 and the shell part 5.
Example 1
Substantially as shown in figure 1: a soaking type air tightness detection device comprises a water tank 1, a hanging assembly 2, a plugging assembly 3 and an inflation assembly 4.
The water tank is transparent water tank, and the below still has the support frame, improves stability, and in this embodiment, the material can select for use polyethylene material, size 2016 x 1183 x 958mm, and the selection of this size matches with conventional casing part 5 size, satisfies to immerse completely and can reserve suitable bottom height, and the inspection crew of being convenient for stands and observes the bottom condition, and the delivery port setting is in 30mm departments from the water tank bottom, is convenient for trade water. As shown in fig. 1 and fig. 2, the left side, the right side and the lower side of the water tank 1 are provided with a plurality of illumination lamps 11, so that bubble detection can be clearer, and in the embodiment, the illumination lamps can use AC12V-12W underwater high-brightness positive white light LED lamps and are connected with the water tank through a stainless steel base; two illumination lamps are symmetrically arranged on the left side and the right side of the water tank, and the distance d1 between the two illumination lamps on each side is controlled within the range of 390-410 mm; as shown in fig. 2, in the front view direction, the lower side of the water tank is provided with four upper and lower rows of four illumination lamps, the distance d2 between the left and right illumination lamps is controlled within the range of 536-556mm, the distance d3 between the upper and lower rows of illumination lamps and the water tank is controlled within the range of 157-177mm, and the arrangement of the illumination lamps has good observation light, so that the observation can be clear from all directions, and the difference in the observation definition caused by uniform layout is avoided.
The hanging assembly 2 is structurally matched with the shell part 5 and is used for hanging the shell part 5 which is sealed by the plugging assembly 5 and provided with holes, completely immersing the shell part 5 into the water tank 1, and detecting air tightness by a first distance from the bottom of the water tank, wherein the first distance is controlled within the range of 298-348mm, so that a detector can conveniently stand to observe the bottom condition. The hanging assembly comprises a plurality of T-shaped hanging hooks, two hanging hooks are arranged in the embodiment and are matched with structures on two sides of a diagonal line of the shell part, so that the shell part can be stably hung, and the balance of the shell part in the hanging process is ensured.
As shown in fig. 3, the plugging assembly 3 includes a first locking screw 31, a first plugging cap 32 fixedly connected to one end of the first locking screw 31, a second plugging cap 33 movably connected to the other end of the first locking screw 31, a second locking screw 34, a third plugging cap 35 fixedly connected to one end of the second locking screw 34, and a fourth plugging cap 36 movably connected to the other end of the second locking screw 34. The length of the first locking screw 31 and the second locking screw 34 is determined according to the corresponding hole spacing of the shell parts, and the diameter is matched with the diameter of the plugging cover.
In this embodiment, the fixed connection is connected by welding, the first sealing cap 32, the second sealing cap 33, the third sealing cap 35 and the fourth sealing cap 36 are used for sealing the hole of the shell part, the size of the sealing caps is the same as the size of the hole of the shell part, in this embodiment, the diameter of the third sealing cap and the fourth sealing cap is controlled within 367-369mm, or the ratio of the third sealing cap to the hole is given, or the diameter of the third sealing cap and the fourth sealing cap is larger than that of the hole, the difference is controlled within 0-2mm, the size of the first sealing cap and the second sealing cap is the same, the diameter of the first sealing cap and the diameter of the second sealing cap are controlled within 229-231mm, the difference is controlled within 0-2mm, and the third sealing cap and the fourth sealing cap are larger than that of the first sealing cap and the second sealing cap, so that the effective space distance can be provided for the sealing ring, and the sealing performance can be improved.
As shown in fig. 2 and 3, the first sealing ring 37 (including the first sealing ring 372 of the third sealing cap and the first sealing ring 371 of the fourth sealing cap) is disposed on the side, which contacts the hole, of the first sealing cap, the second sealing cap, the third sealing cap and the fourth sealing cap, and the protruding structure 38 (including the protruding structures two 381 on the third sealing cap and the fourth sealing cap) is disposed on the side, which is provided with the first sealing ring. The first sealing ring is of an annular structure, the diameter of the outer ring of the first sealing ring 37 is respectively matched with the diameters of the first sealing cover, the second sealing cover, the third sealing cover and the fourth sealing cover, the diameter of the inner ring is respectively matched with the corresponding convex structures 38, the convex structures on the first sealing cover and the second sealing cover are identical to the first sealing ring, the convex structures on the third sealing cover and the fourth sealing cover are identical, and the structures of the first sealing ring of the third sealing cover and the first sealing ring of the fourth sealing cover are different. Along the axial direction of the first locking screw, the protruding structures 38 of the first sealing cover and the second sealing cover are higher than the height 37 of the first sealing ring, and the gap is controlled within the range of 4-6 mm. Along the axial direction of the second locking screw, the second 381 of the protruding structures of the third sealing cover and the fourth sealing cover is lower than the heights of the first sealing ring 372 of the third sealing cover and the first sealing ring 371 of the fourth sealing cover, and the difference is controlled within the range of 4-6 mm. The first sealing ring 371 of the fourth sealing cover has a conical structure, and the conical degree is controlled within the range of 14.5-15.5 degrees. The first sealing ring structure is matched with the plugging cover and the protruding structure thereof, so that the air tightness is ensured, different protruding structures are matched with different holes, the sealing ring structure is differentially arranged, and the same sealing effect can be ensured.
The second sealing cover 33 and the fourth sealing cover 34 are respectively and movably connected to the first locking screw 31 and the second locking screw 34 by nuts 39, second sealing rings 310 are respectively arranged between the nuts 39 and the second sealing cover 33 and between the nuts 39 and the fourth sealing cover 36, in the embodiment, the outer dimension diameter of the second sealing rings of the second sealing cover is controlled within the range of 234-236mm, the outer dimension diameter of the second sealing rings of the fourth sealing cover is controlled within the range of 372-374mm, the diameter of the second sealing rings is larger than that of the nuts, the effective sealing is smaller than that of the sealing covers, the use of unnecessary sealing rings is reduced, and materials are saved.
The first locking screw 31 is provided with a yielding hole 311, as shown in fig. 3, for yielding and installing the second locking screw 34 and preventing displacement, in this embodiment, the yielding hole is arranged in the middle of the first locking screw 31 and is matched with the position of the hole to be plugged of the shell part 5, the diameter difference between the hole diameter and the diameter of the second locking screw 34 is controlled to be 5-7mm, after the yielding hole is adjusted, the second locking screw 34 can conveniently and rapidly pass through the yielding hole, and a certain clearance space can be provided, so that fine-tuning locking is realized, the four plugging covers can tightly seal the hole in the whole course no matter before installation or in the detection process, and no position inclination and good plugging effect is ensured after fine-tuning locking; the inflation assembly 4 is connected to the third plugging cover in a sealing manner, and is used for introducing pressurized gas, typically air, into the inner cavity of the shell part through the third plugging cover and the plugged hole thereof, specifically, the air hose is connected to the quick connector to avoid air leakage, the air valve is opened, the air pressure is adjusted to 0.5-0.7MPa (target value 0.6 MPa), the air pressure is kept unchanged, and effective air flow is provided. The first plugging cover, the second plugging cover, the third plugging cover and the fourth plugging cover are provided with the double handles 312, so that operators can conveniently lift and pull the plugging cover, and meanwhile, the abdication holes 311 are parallel to the handles 312 of the first plugging cover 32 and the second plugging cover 33, so that the corresponding abdication hole positions in the inner cavity of the shell part are obtained by observing the positions of the handles reserved outside the shell part, the second locking screw can conveniently and rapidly align and pass through the plugging cover, and the installation efficiency is improved.
The specific use method comprises the steps that one end, which is not connected with a second blocking cover, of a first locking screw 31 is sent into an inner cavity of a shell part 5, after the corresponding hole is blocked by the first blocking cover 32, the position of a handle 312 is adjusted, a yielding hole 311 is aligned to the passing direction of a second locking screw 34, after the first locking screw 31 passes through the shell part, the second blocking cover 33 is connected to the first locking screw 31 by a nut 39 and the corresponding hole is blocked, and at the moment, the first blocking cover is not screwed in place, so that the yielding hole and the position of the second locking screw are convenient to finely adjust; after one end of the second locking screw 34, which is not connected with the fourth plugging cover, is sent into the inner cavity of the shell part 5 and passes through the abdication hole 311, the second locking screw 43 penetrates out of the shell part, the fourth plugging cover is connected onto the second locking screw 34 by utilizing the nut 39 and corresponding holes are plugged, the tightness of the two nuts 39 is adjusted, so that the sealing is effective, pressurized air is introduced into the inner cavity of the shell part through the inflation assembly 4, the sealing effect of a plugging position is checked by soapy water firstly at the positions of the second plugging cover and the fourth plugging cover nut 39, after the requirements are met, the shell part 5 with the plugging assembly 3 is completely immersed into the water tank 1 filled with water by two hooks of the hanging assembly 2, and a first distance is kept between the water tank 1 and the bottom of the water tank 1, wherein the distance can be controlled within the range of 298-348mm, the observation is convenient for a inspector, and the plugging assembly can realize tightness in the complete immersion process, so that no pressure change is caused by the water to the plugging assembly, no matter whether the plugging assembly is slowly, quickly or obliquely immersed into water, and the plugging effect is ensured; and when the pressurization reaches the design requirement, the pressure is maintained for 5 minutes, and as the water tank is transparent, whether bubbles are generated in all directions, namely the upper direction, the lower direction, the left direction, the right direction, the front direction, the rear direction, the front direction and the rear direction can be detected, so that whether the air tightness of the shell part is good is judged, and after the detection is finished, the shell part is lifted out of the water tank through the lifting assembly.
The embodiment provides a formula gas tightness detection device soaks, simple structure, easy operation, low in cost (1.5 ten thousand yuan) when guaranteeing to detect the accuracy, through the improvement to shutoff subassembly structure, can reach effectual shutoff effect, provide technical support for the formula gas tightness that soaks detects, improved gas tightness and firm stability after the installation part, with transparent water tank's distance cooperation during the application, improved the precision and the efficiency that the bubble was observed, reduced manufacturing cost simultaneously, be fit for using widely.
Example two
On the basis of the first embodiment, the camera is installed around the water tank, the collecting and analyzing end is connected, the air bubble image video of the four sides of the part is captured through the camera, the air leakage point position and the air leakage degree of each side are obtained through the transmission to the collecting and analyzing end, and subsequent processing is facilitated.
In this embodiment, the immersion type air tightness detection device that provides can improve the location accuracy of gas leakage point and the quick trapper of gas leakage point through camera and collection analysis end.
The foregoing is merely an embodiment of the present utility model, and a specific structure and characteristics of common knowledge in the art, which are well known in the scheme, are not described herein, so that a person of ordinary skill in the art knows all the prior art in the application date or before the priority date, can know all the prior art in the field, and has the capability of applying the conventional experimental means before the date, and a person of ordinary skill in the art can complete and implement the present embodiment in combination with his own capability in the light of the present utility model, and some typical known structures or known methods should not be an obstacle for a person of ordinary skill in the art to implement the present utility model. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent.
Claims (9)
1. The immersion type air tightness detection device is characterized by comprising a water tank, a hanging assembly, a plugging assembly and an inflation assembly; the water tank is a transparent water tank; the hanging assembly is matched with the part structure and is used for hanging the part which is sealed by the plugging assembly and is provided with the hole on the shell part, fully immersing the part into the water tank, and detecting the air tightness of the part, wherein the first distance is reserved between the part and the bottom of the water tank; the plugging assembly comprises a first locking screw, a first plugging cover fixedly connected to one end of the first locking screw, a second plugging cover movably connected to the other end of the first locking screw, a second locking screw, a third plugging cover fixedly connected to one end of the second locking screw and a fourth plugging cover movably connected to the other end of the second locking screw; the first sealing cover, the second sealing cover, the third sealing cover and the fourth sealing cover are used for sealing the hole of the part, and a first sealing ring is arranged on one side, which is contacted with the hole, of the part; the second sealing cover and the fourth sealing cover are respectively and movably connected to the first locking screw rod and the second locking screw rod by nuts, and second sealing rings are respectively arranged between the nuts and the second sealing cover and between the nuts and the fourth sealing cover; the first locking screw is provided with a yielding hole for yielding and installing the second locking screw and preventing displacement; the inflation assembly is connected to the third plugging cover in a sealing manner and is used for introducing pressurized gas into the inner cavity of the shell part through the third plugging cover and the plugged holes of the third plugging cover.
2. The submersible gas tightness detection device of claim 1 wherein the hanger assembly comprises a plurality of T-hooks.
3. The submerged airtight detection apparatus of claim 1, wherein the water tank is provided with a plurality of illumination lamps on both left and right sides and a lower side.
4. The immersion type air tightness detection device according to claim 1, wherein two illuminating lamps are oppositely arranged on the left side and the right side of the water tank respectively; four illuminating lamps are arranged on the lower side of the water tank.
5. The submerged airtight detection apparatus according to claim 1, wherein the first sealing cover, the second sealing cover, the third sealing cover and the fourth sealing cover each have a protrusion structure on a side thereof provided with the first sealing ring.
6. A submerged airtight detecting device according to claim 3, wherein the first sealing ring has a ring-shaped structure, the outer ring diameter is respectively adapted to the diameters of the first sealing cover, the second sealing cover, the third sealing cover and the fourth sealing cover, and the inner ring diameter is respectively adapted to the corresponding protrusion structures.
7. The submerged airtight detecting device of claim 4, wherein the protruding structures of the first and second sealing caps are higher than the first sealing ring in the axial direction of the first locking screw.
8. The submerged airtight detecting device of claim 4, wherein the protruding structures of the third and fourth sealing caps are lower than the height of the first sealing ring in the axial direction of the second locking screw.
9. The submerged airtight testing apparatus of claim 1, wherein the first sealing ring of the fourth sealing cap has a tapered structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323024244.7U CN220960462U (en) | 2023-11-08 | 2023-11-08 | Soaking type air tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323024244.7U CN220960462U (en) | 2023-11-08 | 2023-11-08 | Soaking type air tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220960462U true CN220960462U (en) | 2024-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323024244.7U Active CN220960462U (en) | 2023-11-08 | 2023-11-08 | Soaking type air tightness detection device |
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| Country | Link |
|---|---|
| CN (1) | CN220960462U (en) |
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2023
- 2023-11-08 CN CN202323024244.7U patent/CN220960462U/en active Active
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