CN221224129U - Gasbag gas tightness detection device - Google Patents
Gasbag gas tightness detection device Download PDFInfo
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- CN221224129U CN221224129U CN202322753169.1U CN202322753169U CN221224129U CN 221224129 U CN221224129 U CN 221224129U CN 202322753169 U CN202322753169 U CN 202322753169U CN 221224129 U CN221224129 U CN 221224129U
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- 238000001514 detection method Methods 0.000 title claims abstract description 74
- 238000003825 pressing Methods 0.000 claims abstract description 50
- 238000012360 testing method Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 abstract description 9
- 239000000725 suspension Substances 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 description 10
- 239000007788 liquid Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000003860 storage Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses an air tightness detection device for an air bag, and relates to the technical field of air cushion suspension testing. The utility model comprises the following steps: detecting a bench; the inflation assembly is fixed at the top of the detection bench; the clamping opening assembly is arranged in the middle of the detection rack, the top end of the clamping opening assembly is provided with an air inlet, the air outlet end of the air charging assembly is communicated with the air inlet, the opening end of the air bag can be sleeved on the clamping opening assembly, and the inner cavity of the air bag is communicated with the air inlet; the pressing bag component is arranged at the top of the detection rack above the corresponding clamping port component; the control system is electrically connected to the inflation assembly, the clamping opening assembly and the pressing bag assembly respectively. The clamping port assembly clamps the air bag and applies certain pressure to the air bag by utilizing the pressure bag assembly to fix the air bag, so that the air bag is prevented from being separated and leakage occurs, the control system automatically records the pressure condition in the air bag and judges whether the air bag leaks or not in the inflation detection process, and the detection result accuracy is high.
Description
Technical Field
The utility model relates to the technical field of air cushion suspension testing, in particular to an air tightness detection device for an air bag.
Background
The principle of the air cushion suspension conveying technology is that compressed air is used as a power source, when the air cushion carrier is inflated, the air bag can expand to form a circular ring, air enters the air chamber from the small holes of the air bag, air bearing pressure is built in the air chamber, and air is released to the periphery to form a very thin air film with the ground, so that a suspension operation state is achieved. The key part of the air cushion suspension handling device is an air bag, and if defects such as air holes, cracks and the like exist in the air bag in the manufacturing process, the performance of the air cushion suspension handling device can be seriously affected. The chinese patent of application number CN201711035411.4 provides an air-tightness detection device of air bag, which comprises a water tank, the upper end opening part of water tank is provided with the gasbag detection case that can reciprocate relative it, be provided with a plurality of water inlets on the bottom plate of gasbag detection case, the top of gasbag detection case is provided with the air pump that is used for carrying out the inflatable to gasbag 3, hold liquid in the water tank. According to the scheme, the inflated air bag is pressed into liquid, whether air bubbles are generated or not is observed, and whether the air bag leaks or not is judged. The chinese patent with application number CN201721809467.6 provides a large-scale gasbag gas leakage detection device, including the base, set up in remove the subassembly on the base, set up in camera and nozzle on the remove the subassembly, set up in just be used for storing the liquid storage pot of detection solution on the base, and set up in power on the base, the liquid storage pot with the nozzle intercommunication, the camera with the nozzle is used for moving the drive of subassembly and rotate around large-scale gasbag surface. According to the scheme, the detection solution is sprayed to the surface of the large rotating air bag through the nozzle, the real-time condition of the large air bag after the detection solution is sprayed on the surface of the large air bag is recorded by the camera, and whether the large air bag leaks air is judged. Because the caliber of the air bag charging port in the air cushion suspension carrying device is larger, the air cushion suspension carrying device is not suitable for the air bag detection device, and the accuracy of the detection result can be still influenced due to the fact that the air bag charging port is not tightly sealed in the detection. However, the above technical solutions only do not disclose how to realize the sealing at the air bag inflation port during the detection.
Therefore, how to provide an air bag detection device for an air cushion suspension handling device with a simple structure and easy operation is a problem to be solved by those skilled in the art.
Disclosure of utility model
In view of the above, the present utility model aims to provide an air bag detecting device that is simple in structure and easy to operate to detect the air tightness of an air bag.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
an airbag air tightness detection device, comprising:
Detecting a bench;
The inflation assembly is fixed at the top of the detection rack;
The clamping opening assembly is arranged in the middle of the detection rack, an air inlet hole is formed in the top end of the clamping opening assembly, the air outlet end of the air inflation assembly is communicated with the air inlet hole, the opening end of the air bag can be sleeved on the clamping opening assembly, and the inner cavity of the air bag is communicated with the air inlet hole;
The pressing bag assembly is arranged at the top of the detection rack above the corresponding clamping opening assembly;
The control system is electrically connected to the inflation assembly, the clamping opening assembly and the pressing bag assembly respectively.
The utility model has the beneficial effects that: the air bag is sleeved on the clamping port assembly, the control system controls the air charging assembly to charge compressed air into the air bag, and the air bag pressing assembly presses the inflated air bag to firmly clamp the air bag on the clamping port assembly, so that the air bag is prevented from being separated from the clamping port assembly in the process of increasing the internal pressure of the air bag to cause air leakage, the detection result is influenced, and the control system can control the movement of the clamping port assembly and the air pressing assembly, control the charging amount of the air charging assembly and monitor the pressure change of the air bag in the air charging process.
Further, the clamping port assembly comprises a jacking oil cylinder, a fixing sleeve and an air bag sleeve plate, wherein the jacking oil cylinder is electrically connected with the control system, and a cylinder body of the jacking oil cylinder is fixed on the lower end surface of the middle part of the detection rack corresponding to the lower part of the pressure bag assembly; the fixed cover is fixed the middle part up end of detecting the rack, the piston rod of jacking cylinder is followed the axial direction slip of fixed cover wears to establish in the inner chamber of fixed cover, the gasbag cover board is located fixed cover top and fixed connection are in the piston rod top of jacking cylinder, the gasbag can be overlapped and establish on the gasbag cover board, just the inlet port is seted up on the gasbag cover board.
The beneficial effect realized through the technical scheme of the last step: the air bag opening is sleeved on the air bag sleeve plate, the control system controls the piston rod of the jacking cylinder to move downwards to clamp the air bag opening between the fixing sleeve and the air bag sleeve plate, so that the air bag opening is tightly attached to the air bag sleeve plate, and air leakage is prevented.
Further, the inflation assembly comprises an air source and an air inlet elbow, a long strip-shaped hole which is arranged along the movement direction of a piston rod of the jacking cylinder in the length direction is formed in the fixing sleeve, one end of the air inlet elbow is installed on the inner wall of the air inlet hole, and the other end of the air inlet elbow penetrates through the long strip-shaped hole and is communicated with the air source through a pipeline.
The beneficial effect realized through the technical scheme of the last step: the long strip-shaped holes can reserve the movement space of the air inlet elbow, so that the air inlet elbow can be prevented from colliding with the fixed sleeve when the piston rod of the jacking cylinder moves.
Further, the air source is an air compressor, the air compressor is fixed on one side of the top of the detection rack, the air outlet end of the air compressor is communicated with the air inlet hole, and the air compressor is electrically connected to the control system.
The beneficial effect realized through the technical scheme of the last step: the air compressor charges compressed air into the airbag.
Further, a pressure sensor for detecting the pressure of the air bag to be detected is further arranged on the air compressor, and the pressure sensor is electrically connected to the control system.
The beneficial effect realized through the technical scheme of the last step: the pressure sensor is used for detecting the pressure condition in the air bag.
Further, the pressing bag assembly comprises a pressing cylinder and an air bag pressing plate, wherein a cylinder body of the pressing cylinder is fixed at the top of the detection bench, and the air bag pressing plate is parallel to the air bag sleeve plate and is fixed at the bottom end of a piston rod of the pressing cylinder above the air bag sleeve plate so as to press the air bag.
The beneficial effect realized through the technical scheme of the last step: the air bag pressing plate can ensure that the air bag is connected and fastened with the air bag sleeve plate, so that the air bag is separated from the air bag sleeve plate to leak air in the inflation detection process due to the fact that the pressure in the air bag is too high, and the accuracy of the detection result is affected.
Further, a plurality of guide rods are further arranged, the air bag pressing plate is provided with a plurality of guide holes in a circumferential direction corresponding to the outer circumferential side of the pressing oil cylinder, each guide rod is arranged along the axial direction of the pressing oil cylinder, one end of each guide rod is fixed at the top of the detection rack, and the other end of each guide rod penetrates through each guide hole to extend towards the direction close to the air bag sleeve plate.
The beneficial effect realized through the technical scheme of the last step: the guide rod plays a guiding role, and guides the air bag pressing plate to stably rise or descend, so that the opening of the air bag is clamped, and leakage caused by uneven stress when the air bag is pressed is prevented.
Further, the hydraulic system is further provided and comprises a hydraulic pump and a hydraulic control box, the hydraulic pump is connected with the jacking cylinder and the pressing cylinder through oil pipes respectively, and the hydraulic control box is electrically connected to the hydraulic pump and the control system.
The beneficial effect realized through the technical scheme of the last step: the control system controls the hydraulic pump to supply oil to the jacking oil cylinder or the pressing oil cylinder, and further controls the lifting of the piston rod of the jacking oil cylinder and the piston rod of the pressing oil cylinder.
Further, a display screen is further arranged, the display screen is electrically connected to the control system, a switch is arranged on the display screen, and the display screen can display the air pressure value, the test time and the air pressure change curve.
The beneficial effect realized through the technical scheme of the last step: the operation is convenient, and the pressure change of the air bag is monitored in real time.
Further, the control system is a PLC control system.
The beneficial effect realized through the technical scheme of the last step: the automatic recording of detection data is realized, and whether the air bag leaks air is judged according to the detection data.
Compared with the prior art, the air tightness detection device for the air bags provided by the utility model can automatically detect the pressure condition in the air bags and judge whether the air bags leak.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an air tightness detection device for an air bag.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
In the figure: 1. the device comprises a detection bench, 2, an air compressor, 3, a clamping port assembly, 31, a jacking oil cylinder, 32, a fixed sleeve, 321, a strip-shaped hole, 33, an air bag sleeve plate, 4, a pressing bag assembly, 41, a pressing oil cylinder, 42, an air bag pressing plate, 5, an air inlet elbow, 6, a guide rod, 7, a hydraulic system, 71, a hydraulic pump, 72, a hydraulic control box, 8 and a display screen.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-2, an embodiment of the utility model discloses an air-tightness detection device for an air bag, which comprises:
a detection stage 1;
the inflation assembly is fixed at the top of the detection bench 1;
The clamping port assembly 3 is arranged in the middle of the detection rack 1, an air inlet hole is formed in the top end of the clamping port assembly 3, the air outlet end of the air inflation assembly is communicated with the air inlet hole, and the air bag can be sleeved on the clamping port assembly and the inner cavity of the air bag is communicated with the air inlet hole;
The pressing bag assembly 4 is arranged at the top of the detection rack 1 above the corresponding clamping opening assembly 3;
The control system is electrically connected to the inflation assembly, the clamping opening assembly 3 and the pressing bag assembly 4 respectively.
The clamping port assembly 3 comprises a jacking oil cylinder 31, a fixing sleeve 32 and an air bag sleeve plate 33, wherein the jacking oil cylinder 31 is electrically connected with the control system, and a cylinder body of the jacking oil cylinder 31 is fixed on the lower end surface of the middle part of the detection rack 1 below the corresponding pressure bag assembly 4; the fixed sleeve 32 is fixed on the upper end surface of the middle part of the detection rack 1, a piston rod of the jacking cylinder 31 is slidably arranged in an inner cavity of the fixed sleeve 32 along the axial direction of the fixed sleeve 32, the air bag sleeve plate 33 is positioned above the fixed sleeve 32 and fixedly connected to the top end of the piston rod of the jacking cylinder 31, the air bag can be sleeved on the air bag sleeve plate 33, and the air inlet hole is formed in the air bag sleeve plate 33. The air bag opening is sleeved on the air bag sleeve plate 33, the control system controls the piston rod of the jacking cylinder 31 to move downwards to clamp the air bag opening between the fixing sleeve 32 and the air bag sleeve plate 33, so that the air bag opening is tightly attached to the air bag sleeve plate 33, and air leakage is prevented.
In order to further optimize the technical scheme, the inflation assembly comprises an air source and an air inlet elbow 5, wherein the air inlet elbow is a rectangular pipe joint, a long strip-shaped hole 321 which is arranged along the movement direction of a piston rod of the jacking cylinder 31 in the length direction is formed in the fixed sleeve 32, one end of the rectangular pipe joint is arranged on the inner wall of the air inlet, and the other end of the rectangular pipe joint is communicated with the air source through a pipeline by penetrating through the long strip-shaped hole 321. The rectangular hole 321 can reserve the movement space of the right-angle pipe joint, so that the right-angle pipe joint can be prevented from colliding with the fixed sleeve 32 when the piston rod of the jacking cylinder 31 moves.
The air source is an air compressor 2, the air compressor 2 is fixed on one side of the top of the detection bench 1, the air outlet end of the air compressor 2 is communicated with the air inlet, and the air compressor 2 is electrically connected to the control system. The air compressor 2 charges compressed air into the airbag.
The air compressor 2 is also provided with a pressure sensor for detecting the pressure of the air bag to be detected, and the pressure sensor is electrically connected to the control system. The pressure sensor is used for detecting the pressure condition in the air bag. The air compressor 2 is also built with a pressure control valve, a pressure gauge, a safety valve, etc.
The pressing bag assembly 4 comprises a pressing oil cylinder 41 and an air bag pressing plate 42, wherein a cylinder body of the pressing oil cylinder 41 is fixed at the top of the detection rack 1, and the air bag pressing plate 42 is arranged parallel to the air bag sleeve plate 33 and is fixed at the bottom end of a piston rod of the pressing oil cylinder 41 above the air bag sleeve plate 33 so as to press the air bag. The air bag pressing plate 42 presses the air bag, so that the air bag and the air bag sleeve plate 33 can be connected and fastened, and the air bag sleeve plate 33 are prevented from being separated to leak air due to overlarge pressure in the air bag in the inflation detection process, and the accuracy of the detection result is affected.
In order to further optimize the technical scheme, a plurality of guide rods 6 are further arranged, a plurality of guide holes are uniformly formed in the periphery of the air bag pressing plate 42 corresponding to the pressing oil cylinder 41, each guide rod 6 is arranged along the axial direction of the pressing oil cylinder 41, one end of each guide rod 6 is fixed at the top of the detection rack 1, and the other end of each guide rod penetrates through the guide hole to extend towards the direction close to the air bag sleeve plate 33. The guide rod 6 plays a guiding role, and guides the air bag pressing plate 42 to stably rise or descend, so that the air bag opening is clamped, and leakage caused by uneven stress when the air bag is pressed is prevented.
In order to further optimize the technical scheme, the hydraulic system 7 is further provided, the hydraulic system 7 comprises a hydraulic pump 71 and a hydraulic control box 72, the hydraulic pump 71 is respectively connected with the jacking cylinder and the lower pressure cylinder 41 through oil pipes, and the hydraulic control box 72 is electrically connected to the hydraulic pump 71 and the control system. The control system controls the hydraulic pump 71 to supply oil to the jack cylinder 31 or the lower pressure cylinder 41, and further controls the lifting of the piston rod of the jack cylinder 31 and the piston rod of the lower pressure cylinder 41.
In order to further optimize the technical scheme, the air pressure testing device is further provided with a display screen 8, the display screen 8 is electrically connected to the control system, a switch is arranged on the display screen 8, and the display screen 8 can display air pressure values, testing time and air pressure change curves. The operation is convenient, and the pressure change in the air bag is convenient to monitor in real time.
The control system adopts a PLC control system, and can automatically record various test parameters such as test time, pressure value and the like in the detection process.
When the device is used, the opening of the air bag to be tested is sleeved on the air bag sleeve plate 33 downwards, and the piston rod of the lifting oil cylinder moves downwards until the air bag sleeve plate 33 is tightly contacted with the fixed sleeve 32 to clamp the air bag. The piston rod of the pressing oil cylinder 41 drives the air bag pressing plate 42 to move downwards to a proper height, the specific height is determined according to the expansion height of the air bag, compressed air is filled into the air bag by the air inflation assembly, the air pressure is from small to large, the air bag is firstly detected according to the working pressure, the air bag is maintained for a certain time, the air bag is determined to be free of leakage, and then the air bag is detected according to the specified maximum pressure. After the detection is finished, the air source entering the air bag is closed. In the detection process, the control system automatically detects and records the corresponding pressure value and the pressure drop during pressure maintaining so as to judge whether the air bag leaks or not.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An airbag air tightness detection device, characterized by comprising:
A detection bench (1);
the inflation assembly is fixed on the top of the detection rack (1);
the air inlet detection device comprises a detection rack (1), a clamping opening assembly (3), an air inlet hole, an air outlet end of an air inflation assembly, an air bag and an air inlet, wherein the clamping opening assembly (3) is arranged in the middle of the detection rack (1), the top end of the clamping opening assembly (3) is provided with the air inlet hole, the air outlet end of the air inflation assembly is communicated with the air inlet hole, the opening end of the air bag can be sleeved on the clamping opening assembly, and the inner cavity of the air bag is communicated with the air inlet hole;
The pressing bag assembly (4) is arranged at the top of the detection bench (1) above the corresponding clamping opening assembly (3);
the control system is electrically connected to the inflation assembly, the clamping opening assembly (3) and the pressing bag assembly (4) respectively.
2. The air tightness detection device for the air bags according to claim 1, wherein the clamping port assembly (3) comprises a jacking oil cylinder (31), a fixing sleeve (32) and an air bag sleeve plate (33), the jacking oil cylinder (31) is electrically connected with the control system, and a cylinder body of the jacking oil cylinder (31) is fixed on the lower end face of the middle part of the detection bench (1) below the corresponding pressure bag assembly (4); the fixed sleeve (32) is fixed on the upper end face of the middle part of the detection bench (1), a piston rod of the jacking cylinder (31) slides and penetrates through an inner cavity of the fixed sleeve (32) along the axial direction of the fixed sleeve (32), the air bag sleeve plate (33) is located above the fixed sleeve (32) and fixedly connected with the top end of the piston rod of the jacking cylinder (31), the air bag can be sleeved on the air bag sleeve plate (33), and the air inlet hole is formed in the air bag sleeve plate (33).
3. The air tightness detection device of the air bag according to claim 2, wherein the air inflation assembly comprises an air source and an air inlet elbow (5), a long strip-shaped hole (321) which is arranged along the movement direction of a piston rod of the jacking cylinder (31) in the length direction is formed in the fixing sleeve (32), one end of the air inlet elbow (5) is installed on the inner wall of the air inlet hole, and the other end of the air inlet elbow penetrates through the long strip-shaped hole (321) and is communicated with the air source through a pipeline.
4. An air tightness detection device for an air bag according to claim 3, wherein the air source is an air compressor (2), the air compressor (2) is fixed on one side of the top of the detection bench (1), an air outlet end of the air compressor (2) is communicated with the other end of the air inlet elbow (5), and the air compressor (2) is electrically connected to the control system.
5. The airbag tightness detection device according to claim 4, wherein the air compressor (2) is further provided with a pressure sensor for detecting the pressure of the airbag to be detected, and the pressure sensor is electrically connected to the control system.
6. An air-tightness detection device for an air bag according to claim 2, wherein the air bag pressing assembly (4) comprises a pressing cylinder (41) and an air bag pressing plate (42), a cylinder body of the pressing cylinder (41) is fixed at the top of the detection bench (1), and the air bag pressing plate (42) is arranged in parallel with the air bag sleeve plate (33) and is fixed at the bottom end of a piston rod of the pressing cylinder (41) above the air bag sleeve plate (33) so as to press the air bag.
7. The air-tightness detection device for the air bag according to claim 6, further comprising a plurality of guide rods (6), wherein a plurality of guide holes are uniformly formed in the periphery of the air-bag pressing plate (42) corresponding to the pressing cylinder (41), each guide rod (6) is arranged along the axial direction of the pressing cylinder (41) and one end of each guide rod is fixed at the top of the detection bench (1), and the other end of each guide rod passes through the guide hole and extends towards the direction close to the air-bag sleeve plate (33).
8. The airbag tightness detection device according to claim 6, further comprising a hydraulic system (7), wherein the hydraulic system (7) comprises a hydraulic pump (71) and a hydraulic control box (72), the hydraulic pump (71) is connected with the jacking cylinder (31) and the pressing cylinder (41) through oil pipes respectively, and the hydraulic control box (72) is electrically connected to the hydraulic pump (71) and the control system.
9. The airbag tightness detection device according to any of claims 1 to 8, further comprising a display screen (8), wherein the display screen (8) is electrically connected to the control system, a switch is arranged on the display screen (8), and the display screen (8) displays an air pressure value, a test time and an air pressure change curve.
10. The airbag air tightness detection device according to claim 9, wherein the control system is a PLC control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322753169.1U CN221224129U (en) | 2023-10-13 | 2023-10-13 | Gasbag gas tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322753169.1U CN221224129U (en) | 2023-10-13 | 2023-10-13 | Gasbag gas tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221224129U true CN221224129U (en) | 2024-06-25 |
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ID=91578797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322753169.1U Active CN221224129U (en) | 2023-10-13 | 2023-10-13 | Gasbag gas tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221224129U (en) |
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2023
- 2023-10-13 CN CN202322753169.1U patent/CN221224129U/en active Active
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