CN116448463A - Quick check out test set is used in production of gasbag generator - Google Patents
Quick check out test set is used in production of gasbag generator Download PDFInfo
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- CN116448463A CN116448463A CN202310705689.7A CN202310705689A CN116448463A CN 116448463 A CN116448463 A CN 116448463A CN 202310705689 A CN202310705689 A CN 202310705689A CN 116448463 A CN116448463 A CN 116448463A
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- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 238000012360 testing method Methods 0.000 title claims description 10
- 238000007789 sealing Methods 0.000 claims abstract description 77
- 238000001514 detection method Methods 0.000 claims abstract description 55
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 230000004323 axial length Effects 0.000 claims description 12
- 239000012774 insulation material Substances 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/0078—Shock-testing of vehicles
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- General Physics & Mathematics (AREA)
- Air Bags (AREA)
Abstract
The invention discloses quick detection equipment for producing an air bag generator, which comprises a first shell and a second shell, wherein a stepped groove is formed in the second shell, a fixed disc is slidably arranged on the first shell, a fixed column is connected between the fixed disc and the second shell, a conical exhaust hole is formed in the end face of the fixed disc, a detection part is arranged at the other axial end of the fixed disc, a control valve connected with the end face of the exhaust hole is connected to the detection part, a moving mechanism is arranged on the detection part, a connecting piece for sealing and communicating the air bag generator with the detection part is arranged between the first shell and the fixed disc, and all gas in the connecting piece is discharged to the detection part after detection is finished.
Description
Technical Field
The invention relates to the technical field of detection of air bag generators, in particular to a rapid detection device for production of an air bag generator.
Background
With the development of automobile technology, automobiles become the most important tool of riding instead of walk in people's daily life, and the automobile all needs to be equipped with air bag, and air bag mainly is the injury that the collision caused between passenger in the automobile and the interior parts in order to prevent the automobile from collision, and it appears as the auxiliary safety device of safety belt usually, and the two coacts, and air bag's protection principle is: when the automobile is subjected to a certain collision force, the airbag system can trigger a chemical reaction similar to the explosion of a trace explosive, the airbag hidden in the automobile is inflated and ejected instantly, the automobile can be in place in time before the body of an occupant collides with parts in the automobile, and when the human body contacts the airbag, the airbag starts to exhaust through the air holes on the surface of the airbag, so that the effect of bedding is achieved, the impact force on the body is reduced, and finally the effect of reducing the injury of the occupant is achieved.
Because of the personal safety, it is required to meet high quality standards, and thus various tests are required during production, wherein the direct explosion test is necessary, in the standard GB/T19949.3-2005, the gas generator assembly is required to be put into a temperature box for storage for 4 hours (high temperature: 85 ℃ and low temperature-35 ℃ and normal temperature 23 ℃) and the sample is required to be ignited within 180 seconds, so that the gas bag generator needs to be quickly installed on the test equipment, the temperature is prevented from being greatly changed due to overlong time, a certain amount of gas is generated during each test, and the previous gas is required to be completely discharged before the next test, and the discharge of the gas and the installation of the gas bag generator both need a certain time, so that the production test efficiency is affected. For this purpose, we propose a rapid detection device for the production of airbag generators.
Disclosure of Invention
The invention aims to provide a rapid detection device for producing an air bag generator, which can be rapidly installed and connected and can completely discharge air after detection, so as to solve the problem of lower detection efficiency in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a quick check out test set is used in gasbag generator production, includes first casing and second casing, first casing is cavity tube-shape, and its one end is equipped with disk structure, the second casing sets up in the one end that first casing has disk structure and is connected with it, be equipped with the ladder recess on the second casing, second casing and first casing cooperation are used for holding the gasbag generator, slide in the axial other end of first casing and be equipped with the fixed disk similar with first casing structure, be connected with the fixed column between fixed disk and the second casing, first casing and fixed column sliding connection, the taper exhaust hole has been seted up on its diameter of axle position to the fixed disk terminal surface, the axial other end of fixed disk is equipped with the detection spare, be connected with the control valve that is connected with the exhaust hole terminal surface on the detection spare, be equipped with the mobile mechanism that makes it follow axial and arbitrary diameter place radial movement, be equipped with the connecting piece that seals intercommunication gasbag generator and detection spare between first casing and the fixed disk, and the connecting piece is arranged all inside gas to the detection spare after the detection is accomplished.
Preferably, the connecting piece is including setting up in first casing to follow sealing ring, closing plate, first taper ring and the sealing tube that second casing one end to the other end distributes in proper order along first casing axial, fixedly connected with and the second taper ring of first taper ring looks adaptation on the external diameter face of sealing tube, the interval is equipped with the sealing block on the terminal surface of first taper ring, be equipped with the ventilative groove with the sealing block looks adaptation between second taper ring and the sealing tube, the surface tip of sealing tube is equipped with the frustum with exhaust hole looks adaptation, be equipped with first elastic component between sealing tube and the closing plate, first taper ring and closing plate fixed connection, and its sliding sleeve joint with sealing tube surface, the internal surface of closing plate and the top shape looks adaptation of gasbag generator, the movable groove has been seted up on the first casing, the surface fixedly connected with of second taper ring extends to the stopper of first casing through the movable groove to restrict its rotation, be connected with the second elastic component between stopper and the fixed disk, the fixed disk is equipped with the expansion joint with two sets of output end and first casing at least.
Preferably, the end face of one end of the second conical ring, which is close to the fixed disc, is provided with lengthening plates, the number of which is the same as that of the movable grooves and the positions of which correspond to each other, the lengthening plates penetrate through the end face of the fixed disc and slide with the end face of the fixed disc, and the axial length of the second conical ring can be shortened due to the arrangement of the lengthening plates, so that the whole length is shortened.
Preferably, a gasket is arranged on the outer end face of the control valve, and the axial height of the frustum is the sum of the axial length of the exhaust hole and the axial length of the gasket, so that a certain clearance space is not generated between the frustum and the gasket when the frustum fills and plugs the exhaust hole, and partial gas remains.
Preferably, the outer diameter surface of the first shell is sleeved with a connecting ring, all limiting blocks are connected into a whole by the connecting ring, one end of the second elastic piece is connected with the connecting ring, and the connecting ring is connected into a whole, so that the connecting ring has better uniformity.
Preferably, the connecting ring is formed by fixedly connecting two semi-rings through bolts, so that the assembly is convenient.
Preferably, the contact surface of the structure contacted with the surface of the air bag generator is provided with a heat insulation material, so that no large temperature difference change exists during detection.
Preferably, the whole slope of this equipment sets up, and the barycenter of first casing is high to be less than the barycenter height of fixed disk in vertical direction, and the setting of slope is convenient for better place the equipment with the gasbag generator on, even first casing does not close with the second casing, also can not take place to drop.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the first shell and the second shell are arranged to be clamped, so that the airbag generator can be conveniently and rapidly installed, the connecting piece arranged on the first shell is communicated with the detecting piece, rapid installation and explosion detection can be realized, and the detection and installation efficiency is improved;
according to the invention, the connecting piece is arranged, so that the connecting piece can be communicated with the detecting piece when the first shell and the second shell are clamped, and when the detection is finished, gas in the connecting piece can be rapidly discharged into the detecting piece, so that the next use of the connecting piece is not influenced, multiple groups of detecting pieces can be arranged in turn, and the exhaust stage and the next detection part are overlapped, so that the detection efficiency of the equipment is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view showing the separation structure of the first housing and the second housing according to the present invention;
FIG. 3 is a schematic overall sectional view of the present invention;
FIG. 4 is an enlarged schematic view of the structure of the area A in FIG. 3;
FIG. 5 is an enlarged schematic view of the structure of the area B in FIG. 3;
FIG. 6 is a schematic view of a first housing partially in section and a half-ring configuration;
FIG. 7 is a schematic diagram of a seal cartridge and a second cone ring in semi-section.
In the figure: 1-a first housing; 2-a second housing; 3-step grooves; 4-a fixed disk; 5-fixing the column; 6-exhaust holes; 7-detecting part; 8-a control valve; 10-connecting piece; 11-a sealing ring; 12-sealing plate; 13-a first cone ring; 14-sealing a cylinder; 15-a second cone ring; 16-a sealing block; 17-a ventilation groove; 18-a frustum; 19-a first elastic member; 20-a movable groove; 21-limiting blocks; 22-a second elastic member; 23-telescoping pieces; 24-lengthening plates; 25-washers; 26-connecting ring; 27-semi-ring.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, the present invention provides a technical solution: the rapid detection equipment for producing the air bag generator comprises a first shell 1 and a second shell 2, wherein the first shell 1 is hollow and cylindrical, one end of the first shell is provided with a disc-shaped structure, the second shell 2 is arranged at one end of the first shell 1 with the disc-shaped structure and is connected with the first shell, the second shell 2 is provided with a step groove 3, the step groove 3 is matched with one end structure of the air bag generator, the second shell 2 is matched with the first shell 1 to accommodate the air bag generator, the other axial end of the first shell 1 is internally provided with a fixed disc 4 similar to the first shell 1 in a sliding manner, the diameter of a hollow cylinder section of the fixed disc 4 is smaller than that of the hollow section of the first shell 1, the end part of the fixed disc 4 is in sliding sealing connection with the inner surface of the hollow section of the first shell 1, a fixed column 5 is connected between the fixed disc 4 and the second shell 2, the fixed column 5 is provided with four groups, the device is uniformly distributed on a disk-shaped structure of a fixed disk 4, the other end of the device is connected with a second shell 2, the first shell 1 is in sliding connection with a fixed column 5, a conical exhaust hole 6 is formed on the end surface of the fixed disk 4 at the axial diameter position of the fixed disk, a detection piece 7 is arranged on the other axial end of the fixed disk 4, the detection piece 7 mainly has the function of integrally sealing an air bag generator, the gas is directionally discharged when the air bag generator is subjected to ignition to generate gas, a control valve 8 connected with the end surface of the exhaust hole 6 is connected on the detection piece 7, the control valve 8 is convenient for controlling on-off, a moving mechanism which enables the detection piece 7 to move along the axial direction of the control valve 8 and the radial direction of any diameter is arranged on the detection piece 7, the moving mechanism only needs to realize the axial movement of the detection piece 7, and the switching of the two detection pieces 7 can be realized by moving in the radial parallel direction, when the detecting piece 7 receives the gas, the data detection is carried out through the detecting element such as the pressure sensor in the detecting piece, the gas is required to be discharged for processing after the detection is finished, but a certain time is required for completely discharging, so at least two groups of detecting pieces 7 are arranged to improve the efficiency, a connecting piece 10 for sealing and communicating the air bag generator and the detecting piece 7 is arranged between the first shell 1 and the fixed disk 4, and all the gas in the detecting piece 10 is discharged to the detecting piece 7 after the detection is finished by the connecting piece 10.
The connecting piece 10 comprises a sealing ring 11, a sealing plate 12, a first conical ring 13 and a sealing cylinder 14 which are arranged in the first shell 1 and sequentially distributed from one end to the other end of the second shell 2 along the axial direction of the first shell 1, wherein the sealing ring 11 is fixedly connected to the end part of the inner surface of the hollow section of the first shell, a step is arranged on the sealing ring 11 and matched with the sealing plate 12, the inner diameter surface and the outer diameter surface contacted with the sealing ring 11 are both provided with drawing angles, so that a partition can not be formed between the sealing ring 11, the sealing plate 12, the first shell 1 and the second shell 2 before the sealing ring 11 and the sealing plate are completely attached, an integral package structure is formed by wrapping an air bag generator, heat insulation materials are arranged on the contact surfaces of the structures contacted with the surface of the air bag generator, namely, the inner surfaces of the several package materials are provided with heat insulation materials, namely the heat insulation materials, the outer diameter surface of the sealing cylinder 14 is fixedly connected with a second conical ring 15 matched with the first conical ring 13, the end surface of the first conical ring 13 is provided with sealing blocks 16 at intervals, ventilation grooves 17 matched with the sealing blocks 16 are arranged between the second conical ring 15 and the sealing cylinder 14, the end part of the outer surface of the sealing cylinder 14 is provided with a frustum 18 matched with the exhaust hole 6, a first elastic piece 19 is arranged between the sealing cylinder 14 and the sealing plate 12, because the sealing plate 12 needs to be reset, the first conical ring 13, the second conical ring 15 and the sealing cylinder 14 are arranged, the gas in the space formed by the sealing ring is mainly required to be completely exhausted, the first conical ring 13 is fixedly connected with the sealing plate 12, the sealing ring is in sliding sleeve joint with the outer surface of the sealing cylinder 14, the sealing ring is in sealing sliding connection, the gas is prevented from entering the space where the first elastic piece 19 is positioned, the inner surface of the sealing plate 12 is matched with the top shape of the air bag generator, the movable groove 20 is formed in the first shell 1, a limiting block 21 extending out of the first shell 1 through the movable groove 20 and limiting the rotation of the limiting block 21 is fixedly connected to the outer surface of the second conical ring 15, a second elastic piece 22 is connected between the limiting block 21 and the fixed disc 4, at least two groups of telescopic pieces 23 with output ends connected with the first shell 1 are mounted on the fixed disc 4, and the telescopic pieces 23 can adopt an air cylinder, an oil cylinder or an electric telescopic rod and the like and mainly drive the first shell 1 to move in the axial direction of the first shell.
In the initial state, the telescopic piece 23 is in an unextended state, the first shell 1 and the second shell 2 are in an opened state, at the moment, the first elastic piece 19 and the second elastic piece 22 are in a compressed state, the air bag generator is arranged in the stepped groove 3 on the second shell 2, a connector is arranged in the stepped groove and is electrically connected with an igniter of the air bag generator, then the telescopic piece 23 works, the two elastic pieces are preferably springs, the elastic coefficient of the first elastic piece 19 is far smaller than that of the second elastic piece 22, at the moment, the second elastic piece 22 is reset in a line, namely the first shell 1 and the sealing cylinder 14 synchronously move, after the second elastic piece 22 is completely reset, at the moment, the sealing ring 11 and the sealing plate 12 start to contact the air bag generator, the sealing cylinder 14 does not move any more along with the continued movement of the telescopic piece 23, at the moment, the sealing ring 11 is separated from the sealing plate 12, and the first cone ring 13 and the second cone ring 15 are separated, an annular channel is formed between the two cone rings and is communicated with the air outlet of the air bag generator, the detection piece 7 is connected with the end face of the air outlet 6 under the action of the moving mechanism, generated gas enters the detection piece 7 after ignition, after the completion of the ignition, the telescopic piece 23 returns, the first shell 1 moves, the axial length of the sealing ring 11 is larger than the diameter of the air outlet hole of the air bag generator, so that the sealing ring is completely covered during the movement, the movement of the sealing ring 11 continuously reduces the space of the ventilation channel, the gas is discharged to the detection piece 7 until the sealing ring 12 contacts with the sealing plate 12 to form end sealing, the sealing plate 12 moves synchronously under the action of the sealing ring 11, the first elastic piece 19 is compressed, the gas between the first cone ring 13 and the second cone ring 15 is discharged until the two cone surfaces are overlapped, the sealing block 16 is inserted into the ventilation groove 17, the surface of the sealing block 16, which is in direct contact with the sealing block, is also conical, the reason for the conical surface is to prevent the advance partition, so that part of gas is not discharged, all the gas enters one end of the sealing cylinder 14, one side surface of the movable groove 20 contacts the limiting block 21 under the continuous return action of the telescopic piece 23 and drives the movable groove to synchronously move, the second elastic piece 22 is compressed, the gas is completely discharged under the action of the end surface of the sealing cylinder 14 and the frustum 18 and enters the detection piece 7, and then the moving mechanism switches different detection pieces 7 to detect the next air bag generator.
In order to shorten the axial length of the second conical ring 15 and reduce the overall volume, the end face of the second conical ring 15, which is close to one end of the fixed disc 4, is provided with extension plates 24 which are the same as the number of the movable grooves 20 and correspond to the positions of the movable grooves 20, and the extension plates 24 penetrate through the end face of the fixed disc 4 and slide with the fixed disc, because the movable grooves 20 are through grooves, the second conical ring 15 needs to cover the movable grooves in the whole movable process so as to realize sealing, which leads to longer axial length of the second conical ring, and the extension plates 24 are arranged, and the extension plates 24 can penetrate through the fixed disc 4 and slide with the fixed disc in a sealing way, because the movable space of the first shell 1 is provided with a reserved space on the market of the fixed disc 4, and therefore, the part of space overlaps with the movable space of the extension plates 24, and the length of the second conical ring 15 is reduced.
In order to completely discharge the gas into the detecting element 7, the outer end surface of the control valve 8 is provided with a gasket 25, and the axial height of the frustum 18 is the sum of the axial length of the gas discharge hole 6 and the axial length of the gasket 25, which in practice, the axial height of the frustum 18 should be slightly smaller than the sum of the axial length of the gas discharge hole 6 and the axial length of the gasket 25, because the gasket 25 has a certain compression.
The connecting ring 26 is sleeved on the outer diameter surface of the first shell 1, all limiting blocks 21 are connected into a whole by the connecting ring 26, one end of the second elastic piece 22 is connected with the connecting ring 26, the connecting ring 26 is formed by fixedly connecting two semi-rings 27 through bolts, the two semi-rings 27 are convenient to install, and the whole is more convenient to work in coordination with the connecting ring.
The whole slope of this equipment sets up, and the barycenter of first casing 1 highly is less than the barycenter height of fixed disk 4 in vertical direction, and the slope sets up can be when first casing 1 does not close with second casing 2 and presss from both sides, just can place the gasbag generator in ladder recess 3 and can not drop, is convenient for place.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a quick check out test set is used in production of gasbag generator, includes first casing (1) and second casing (2), its characterized in that: the utility model discloses a gas sensor, including first casing (1), second casing (2), first casing (1) are cavity tube-shape, and its one end is equipped with disk structure, second casing (2) set up in first casing (1) have disk structure's one end and rather than being connected, be equipped with ladder recess (3) on second casing (2), second casing (2) are used for holding the gasbag generator with first casing (1) cooperation, slide in first casing (1) axial other end be equipped with fixed disk (4) similar with first casing (1) structure, be connected with fixed column (5) between fixed disk (4) and second casing (2), first casing (1) and fixed column (5) sliding connection, fixed disk (4) terminal surface has seted up on its diameter of axle position taper exhaust hole (6), the axial other end of fixed disk (4) is equipped with detection piece (7), be connected with control valve (8) that are connected with exhaust hole (6) terminal surface on detection piece (7), be equipped with on detection piece (7) and make it follow axial and arbitrary diameter place removal mechanism, first casing (1) and detection piece (7) are equipped with detection piece (10) and all to be connected between detection piece (10) and detection piece (10) and all to be connected between detection piece.
2. The rapid detection apparatus for producing an airbag generator according to claim 1, wherein: the connecting piece (10) comprises a sealing ring (11), a sealing plate (12), a first conical ring (13) and a sealing cylinder (14) which are arranged in the first shell (1) and sequentially distributed from one end to the other end of the second shell (2) along the axial direction of the first shell (1), a second conical ring (15) matched with the first conical ring (13) is fixedly connected to the outer diameter surface of the sealing cylinder (14), sealing blocks (16) are arranged at intervals on the end surface of the first conical ring (13), a ventilation groove (17) matched with the sealing blocks (16) is arranged between the second conical ring (15) and the sealing cylinder (14), a conical table (18) matched with an exhaust hole (6) is arranged at the end part of the outer surface of the sealing cylinder (14), a first elastic piece (19) is arranged between the sealing cylinder (14) and the sealing plate (12), the first conical ring (13) is fixedly connected with the outer surface of the sealing cylinder (14) in a sliding sleeving manner, the inner surface of the sealing plate (12) is matched with the top of the air bag (1), a limit block (20) is arranged on the outer surface of the first shell (1) in a rotating manner, the limit groove (20) is formed by extending, a second elastic piece (22) is connected between the limiting block (21) and the fixed disc (4), and at least two groups of telescopic pieces (23) with output ends connected with the first shell (1) are installed on the fixed disc (4).
3. The rapid detection apparatus for producing an airbag generator according to claim 2, wherein: the end face, close to the fixed disc (4), of the second conical ring (15) is provided with lengthening plates (24) which are the same in number and corresponding to the movable grooves (20) in position, and the lengthening plates (24) penetrate through the end face of the fixed disc (4) and slide with the end face.
4. The rapid detection apparatus for producing an airbag generator according to claim 2, wherein: the outer end face of the control valve (8) is provided with a gasket (25), and the axial height of the frustum (18) is the sum of the axial length of the exhaust hole (6) and the axial length of the gasket (25).
5. A rapid detection apparatus for the production of air bag generators according to claim 3, wherein: the connecting ring (26) is sleeved on the outer diameter surface of the first shell (1), all limiting blocks (21) are connected into a whole through the connecting ring (26), and one end of the second elastic piece (22) is connected with the connecting ring (26).
6. The rapid detection apparatus for producing an airbag generator according to claim 5, wherein: the connecting ring (26) is formed by fixedly connecting two semi-rings (27) through bolts.
7. A rapid detection apparatus for the production of air bag generators according to any one of claims 2 to 6, characterized in that: the contact surface of the structure contacted with the surface of the air bag generator is provided with a heat insulation material.
8. A rapid detection apparatus for the production of an airbag generator according to any one of claims 1 to 6, characterized in that: the device is arranged in an overall inclined way, and the height of the mass center of the first shell (1) is lower than that of the mass center of the fixed disc (4) in the vertical direction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310705689.7A CN116448463B (en) | 2023-06-15 | 2023-06-15 | Quick check out test set is used in production of gasbag generator |
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| CN202310705689.7A CN116448463B (en) | 2023-06-15 | 2023-06-15 | Quick check out test set is used in production of gasbag generator |
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| CN116448463B CN116448463B (en) | 2023-09-08 |
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| CN112881028A (en) * | 2020-12-28 | 2021-06-01 | 云度新能源汽车股份有限公司 | Detection device and detection method for detecting pop-up of automobile safety airbag |
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