CN113532712B - Detection device for testing impact force of automobile safety airbag - Google Patents
Detection device for testing impact force of automobile safety airbag Download PDFInfo
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- CN113532712B CN113532712B CN202110718723.5A CN202110718723A CN113532712B CN 113532712 B CN113532712 B CN 113532712B CN 202110718723 A CN202110718723 A CN 202110718723A CN 113532712 B CN113532712 B CN 113532712B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0052—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to impact
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Abstract
The invention discloses a detection device for testing the impact force of an automobile safety airbag, which comprises a substrate, wherein a sliding block is arranged on the side wall of the substrate in a penetrating way, a fastening claw which plays a role of fixing an airbag assembly is vertically arranged at the end part of the sliding block, the fixing airbag assembly is attached to the outer wall of the fastening claw, and a motor is connected to the side wall of the substrate; the guide frames are symmetrically welded at the corners of the base plate, guide blocks which limit the moving direction of the moving plate are slidably arranged on the guide frames, and the guide blocks are symmetrically arranged on the side walls of the moving plate. This a detection device for testing car air bag impact force, its degree of automation is higher, and the manual operation step of simplification, the device can be fast will wait to detect the air bag and fix, and the device has air bag impact force detection ability, when can collecting the air bag inflation, impact force data in a plurality of positions to can obtain the safe handling distance of air bag.
Description
Technical Field
The invention relates to the technical field of automobile equipment detection, in particular to a detection device for testing impact force of an automobile safety airbag.
Background
The automobile safety airbag is gas expansion type safety protection equipment, when an automobile body is impacted severely, the gas generation structure of the safety airbag can generate a large amount of gas in a short time, so that the airbag is expanded rapidly to protect a human body, safety detection is required in the production process of the airbag, and the existing automobile safety airbag detection device has some problems.
An airbag clamping detection device, for example, with publication number CN205262376U, comprises a base and a clamping detection mechanism located on the base, wherein the clamping detection mechanism comprises a first clamping detection mechanism for clamping and detecting the end part of the airbag and a second clamping detection mechanism … … for detecting the middle part of the airbag, which are arranged in opposite directions. The automatic safety airbag clamping device has the advantages that the automatic degree is low, the manual operation steps are more, the safety airbag is difficult to clamp and fix quickly, and the safety airbag impact force detection capability is not provided, so that whether the safety airbag is too large or not to cause injury to a human body due to the fact that the impact force is too large can not be judged when the safety airbag is used.
Aiming at the problems, innovative design is urgently needed on the basis of the original automobile safety airbag detection device.
Disclosure of Invention
The invention aims to provide a detection device for testing the impact force of an automobile safety airbag, which aims to solve the problems that the prior automobile safety airbag detection device is low in automation degree, more in manual operation steps, difficult to clamp and fix the safety airbag rapidly, and incapable of judging whether the safety airbag is damaged by overlarge impact force when in use due to the fact that the device does not have the capability of detecting the impact force of the safety airbag.
In order to achieve the above purpose, the present invention provides the following technical solutions: a test device for testing the impact force of an automotive airbag, comprising:
the base plate, the side wall of which is provided with a sliding block in a penetrating way, the end part of the sliding block is vertically provided with a fastening claw which plays a role in fixing the air bag assembly, the fixing air bag assembly is attached to the outer wall of the fastening claw, and the side wall of the base plate is connected with a motor;
the guide frames are symmetrically welded at the corners of the base plate, guide blocks for limiting the moving direction of the moving plate are slidably arranged on the guide frames, the guide blocks are symmetrically arranged on the side walls of the moving plate, and tooth bars vertically connected to the base plate are arranged on the side sides of the guide blocks;
the stress plate is arranged between the moving plate and the base plate, a piston rod is connected to the center of the side wall of the stress plate, the piston rod penetrates through the base plate, the piston rod is slidably mounted on the inner wall of the air cylinder, and the air cylinder is vertically mounted on the side wall of the moving plate.
Preferably, limit sliding grooves which are symmetrically distributed are formed in the base plate, the sliding blocks are embedded in the sliding grooves and are of a cross-shaped structure, and threaded rods are arranged on the sliding blocks in a penetrating mode, so that the sliding blocks can move on the base plate.
Preferably, the threaded rod is rotatably mounted on the side wall of the base plate, thread grooves with opposite rotation directions are symmetrically distributed on the threaded rod, the thread grooves and the sliding blocks form a thread transmission structure, and the threaded rod is mounted on an output shaft of the motor, so that the threaded rod can drive the sliding blocks to move.
Preferably, the cross section of guide frame is I shape structure, and the guide frame forms horizontal sliding structure with the guide block to install the urceolus of vertical setting on the outer wall of guide block, the inner wall of urceolus constitutes sliding lifting structure with the depression bar moreover, be connected with the first spring that is used for providing pressure between the tip of depression bar and the inner wall of urceolus, utilize first spring to drive the depression bar and remove.
Preferably, the bottom laminating of depression bar sets up on spacing tooth, and spacing tooth rotates and install on the cross axle to the cross axle welds on the lateral wall of guide block, spacing tooth and rack bar constitute one-way limit structure moreover, make spacing tooth can rotate on the cross axle.
Preferably, the number of the stress plates is 9 at equal intervals, the stress plates are in the same vertical plane, and the stress plates and the base plate are arranged in parallel to form a plurality of impact force measuring structures.
Preferably, the air inlet pipe connected between the air cylinder and the indicating cylinder realizes the communication of the air cylinder and the indicating cylinder, the air inlet pipe is provided with a one-way valve for enabling the air to flow unidirectionally, and the indicating cylinder is provided with scale values for displaying the pressure, so that the air in the air cylinder can enter the indicating cylinder.
Preferably, the laminating is provided with the elevating disk on the inner wall of pilot cylinder, and is connected with the second spring that plays the effect of resetting between elevating disk and the inner wall top of pilot cylinder to install the blast pipe that plays the intercommunication effect between pilot cylinder bottom and the inflator, install the solenoid valve on the blast pipe moreover, make the gas in the pilot cylinder get into in the inflator.
Compared with the prior art, the invention has the beneficial effects that: the detection device for testing the impact force of the automobile safety airbag has higher degree of automation and simplified manual operation steps, can be used for rapidly fixing the safety airbag to be detected, has the capability of detecting the impact force of the safety airbag, can collect impact force data in multiple directions when the safety airbag is inflated, and can obtain the safe use distance of the safety airbag;
1. the base plate is provided with limit sliding grooves which are symmetrically distributed, sliding blocks with cross sections in a cross structure are embedded in the sliding grooves, the fastening claws are arranged on the sliding blocks, and as the threaded rods are symmetrically distributed with thread grooves with opposite rotation directions, the thread grooves and the sliding blocks form a thread transmission structure, when the threaded rods rotate, 2 sliding blocks can be driven to approach each other, so that the fastening claws can quickly fix the air bag assembly;
2. the equidistant 9 that are provided with of atress board, and the tip at the piston rod is installed to the atress board, and piston rod slidable mounting is in the inside of inflator, and the inside intercommunication of both has been realized to the intake pipe that is connected between inflator and the pilot cylinder to install the check valve in the intake pipe, utilize air bag's impact force to promote atress board and piston rod, thereby with the interior gas of inflator in the pilot cylinder, make the lifting disk upwards move, utilize the scale on the directional pilot cylinder of lifting disk, thereby obtain pressure data.
Drawings
FIG. 1 is a schematic view of the overall external structure of the present invention;
FIG. 2 is a schematic view of a force plate mounting structure according to the present invention;
FIG. 3 is a schematic view of the threaded rod mounting structure of the present invention;
FIG. 4 is a schematic view of the mounting structure of the fastening claws of the present invention;
FIG. 5 is a schematic view of the mounting structure of the guide block of the present invention;
FIG. 6 is a schematic view of the structure of the present invention for mounting the compression bar;
fig. 7 is a schematic view of the installation structure of the lifting disk of the invention.
In the figure: 1. a substrate; 2. a slide block; 3. a fastening claw; 4. an airbag assembly; 5. a threaded rod; 6. a motor; 7. a guide frame; 8. a guide block; 9. a moving plate; 10. an outer cylinder; 11. a compression bar; 12. a first spring; 13. limit teeth; 14. a horizontal axis; 15. a toothed bar; 16. a piston rod; 17. a force-bearing plate; 18. an air cylinder; 19. an air inlet pipe; 20. a one-way valve; 21. an indication cylinder; 22. a lifting disc; 23. a second spring; 24. an exhaust pipe; 25. a solenoid valve.
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: a test device for testing the impact force of an automotive airbag, comprising:
a base plate 1, a sliding block 2 is arranged on the side wall of the base plate in a penetrating way, a fastening claw 3 which plays a role in fixing an air bag assembly 4 is vertically arranged at the end part of the sliding block 2, the fixing air bag assembly 4 is attached to the outer wall of the fastening claw 3, and a motor 6 is connected to the side wall of the base plate 1;
guide frames 7 symmetrically welded at corners of the base plate 1, guide blocks 8 limiting the moving direction of the moving plate 9 being slidably mounted on the guide frames 7, the guide blocks 8 being symmetrically mounted on side walls of the moving plate 9, and side sides of the guide blocks 8 being provided with toothed bars 15 vertically connected to the base plate 1;
a force receiving plate 17 provided between the moving plate 9 and the base plate 1, a piston rod 16 is connected to a center of a side wall of the force receiving plate 17, and the piston rod 16 is provided penetrating the base plate 1, and the piston rod 16 is slidably mounted on an inner wall of an air cylinder 18, and the air cylinder 18 is vertically mounted on a side wall of the moving plate 9.
Set up the spacing spout of symmetric distribution on the base plate 1, and the spout is embedded to be equipped with slider 2, and slider 2 is cross structure, link up on the slider 2 and be provided with threaded rod 5 moreover, threaded rod 5 rotates and installs on the lateral wall of base plate 1, and symmetric distribution has the opposite screw thread groove of revolve on the threaded rod 5, and screw thread groove constitutes screw thread transmission structure with slider 2, threaded rod 5 installs on motor 6's output shaft moreover, when motor 6 starts, motor 6 can drive threaded rod 5 rotation, threaded rod 5 goes up the opposite two sections screw thread groove of revolve to can drive corresponding slider 2 and remove, make 2 sliders 2 be close to each other, utilize the fastening claw 3 that connects on the slider 2 to fix gasbag assembly 4.
The cross section of guide frame 7 is I shape structure, and guide frame 7 and guide block 8 form horizontal sliding structure, and install the urceolus 10 of vertical setting on the outer wall of guide block 8, and the inner wall of urceolus 10 constitutes the slip elevation structure with depression bar 11 moreover, be connected with the first spring 12 that is used for providing pressure between the tip of depression bar 11 and the inner wall of urceolus 10, the laminating of the bottom of depression bar 11 sets up on spacing tooth 13, and spacing tooth 13 rotates and install on cross axle 14, and cross axle 14 welds on the lateral wall of guide block 8, and spacing tooth 13 constitutes one-way limit structure with the rack 15, first spring 12 exerts the pressure to depression bar 11 through the reset effect, make depression bar 11 push down spacing tooth 13, spacing tooth 13 is fixed on the tooth of rack 15, when movable plate 9 receives the impact of air bag, spacing tooth 13 can prevent movable plate 9 to the direction removal of keeping away from base plate 1.
The air inlet pipe 19 connected between the air cylinder 18 and the indicating cylinder 21 is communicated with the inside of the air cylinder 18 by the air inlet pipe 19, the check valve 20 for enabling air to flow unidirectionally is arranged on the air inlet pipe 19, the indicating cylinder 21 is provided with scale values for displaying pressure, the inner wall of the indicating cylinder 21 is attached with the lifting disc 22, a second spring 23 for resetting is connected between the lifting disc 22 and the top of the inner wall of the indicating cylinder 21, an exhaust pipe 24 for communicating is arranged between the bottom of the indicating cylinder 21 and the air cylinder 18, an electromagnetic valve 25 is arranged on the exhaust pipe 24, when the air cylinder 17 is impacted by an air bag, the air cylinder 17 drives the piston rod 16 to move towards the inside of the air cylinder 18, the piston rod 16 presses air into the indicating cylinder 21 through the air inlet pipe 19 and the check valve 20, at the moment, the pressure inside the indicating cylinder 21 is increased, the lifting disc 22 moves upwards under the effect of pressure difference inside and outside the indicating cylinder 21, the second spring 23 is compressed by the lifting disc 22, the lifting disc 22 points to the corresponding scale values on the indicating cylinder 21, and the impact force of the indicating cylinder 21 is more than the scale values are observed through the scale values inside the corresponding to the lifting disc 21.
Working principle: when the detection device for testing the impact force of the automobile safety airbag is used, referring to fig. 1-7, a user firstly places an airbag assembly 4 between 2 fastening claws 3, then starts a motor 6, a threaded rod 5 arranged on an output shaft of the motor 6 synchronously rotates, the threaded rod 5 drives 2 sliding blocks 2 to synchronously slide on a base plate 1, and at the moment, the 2 fastening claws 3 mutually lean in, so that the airbag assembly between the fastening claws 3 is clamped and fixed;
referring to fig. 1-7, the airbag assembly 4 is started, at this time, the airbag in the airbag assembly 4 is rapidly inflated, when the airbag contacts with the stress plate 17, the airbag applies pressure to the stress plate 17, the stress plate 17 drives the piston rod 16 to move towards the inside of the air cylinder 18, the piston rod 16 presses the air into the corresponding indicating cylinder 21 through the air inlet pipe 19, the one-way valve 20 arranged on the air inlet pipe 19 can prevent the air from flowing back, the air pressure in the indicating cylinder 21 is increased, under the heterodyne effect in the indicating cylinder 21, the lifting disc 22 moves upwards along the inner wall of the indicating cylinder 21, the second spring 23 is compressed, the lifting disc 22 points to the scale value on the indicating cylinder 21, the impact force of each stress plate 17 is obtained by observing the scale value, after the impact force of the airbag in different directions is judged, the electromagnetic valve 25 is opened, the second spring 23 drives the lifting disc 22 to move downwards through the reset effect, the lifting disc 22 presses the air into the air cylinder 18 through the air outlet pipe 24, and the air pushes the piston rod 16 to reset the stress plate 17;
referring to fig. 1-7, when the safety use distance of the airbag needs to be detected, the moving plate 9 is pushed to the base plate 1 by hand for a proper distance, the moving plate 9 drives the guide block 8 to synchronously slide on the guide frame 7, the limit teeth 13 on the guide block 8 continuously jump on the toothed bar 15, when the limit teeth 13 are pressed by the toothed bar 15 to move upwards, the first springs 12 are compressed by the pressure rods 11, when the limit teeth 13 are no longer pressed by the toothed bar 15, the first springs 12 push the pressure rods 11 downwards through the reset action, the pressure rods 11 push the limit teeth 13 downwards, and when the moving plate 9 stops moving, the limit teeth 13 enter the teeth on the toothed bar 15 to form a one-way limit structure, so that the moving plate 9 is prevented from moving reversely, and then the impact force detection of the airbag can be carried out according to the steps.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (4)
1. A test device for testing the impact force of an automotive airbag, comprising:
the base plate, the side wall of which is provided with a sliding block in a penetrating way, the end part of the sliding block is vertically provided with a fastening claw which plays a role in fixing the air bag assembly, the fixing air bag assembly is attached to the outer wall of the fastening claw, and the side wall of the base plate is connected with a motor;
the guide frames are symmetrically welded at the corners of the base plate, guide blocks for limiting the moving direction of the moving plate are slidably arranged on the guide frames, the guide blocks are symmetrically arranged on the side walls of the moving plate, and tooth bars vertically connected to the base plate are arranged on the side sides of the guide blocks;
the utility model provides a bearing plate, it sets up between movable plate and the base plate, bearing plate's lateral wall center department is connected with the piston rod, and the piston rod run through in the base plate sets up to piston rod slidable mounting is on the inner wall of gas cylinder, and the gas cylinder is installed perpendicularly on the lateral wall of movable plate, the cross-section of guide frame is I shape structure, and guide frame and guide block form horizontal sliding structure, and install the urceolus of vertical setting on the outer wall of guide block, the inner wall of urceolus constitutes the slip elevation structure with the depression bar, be connected with the first spring that is used for providing pressure between the tip of depression bar and the inner wall of urceolus, the laminating of the bottom of depression bar sets up on spacing tooth, and spacing tooth rotation is installed on the cross-shaft, and the cross-shaft welding is in on the lateral wall of guide block, spacing tooth constitutes one-way limit structure with the rack bar moreover, the intercommunication of both inside has been realized to the gas inlet tube that is connected between gas cylinder and the pilot cylinder, and install the check valve that makes gaseous one-way flow to be provided with on the pilot cylinder to be used for showing the scale value of pressure, laminating is provided with the elevating disc on the inner wall of pilot cylinder and the inner wall of pilot cylinder, and the top and pilot cylinder and the inner wall between the tip and the second of pilot cylinder and the bottom of pilot cylinder are connected with the effect and the solenoid valve.
2. A test device for testing the impact force of an automotive airbag according to claim 1, wherein: the base plate is provided with limit sliding grooves which are symmetrically distributed, the sliding grooves are embedded with the sliding blocks, the sliding blocks are of a cross-shaped structure, and threaded rods are arranged on the sliding blocks in a penetrating mode.
3. A test device for testing the impact force of an automotive airbag according to claim 2, wherein: the threaded rod is rotatably arranged on the side wall of the base plate, thread grooves with opposite rotation directions are symmetrically distributed on the threaded rod, the thread grooves and the sliding blocks form a thread transmission structure, and the threaded rod is arranged on an output shaft of the motor.
4. A test device for testing the impact force of an automotive airbag according to claim 1, wherein: the number of the stress plates is 9 at equal intervals, the stress plates are in the same vertical plane, and the stress plates are arranged in parallel with the base plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110718723.5A CN113532712B (en) | 2021-06-28 | 2021-06-28 | Detection device for testing impact force of automobile safety airbag |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110718723.5A CN113532712B (en) | 2021-06-28 | 2021-06-28 | Detection device for testing impact force of automobile safety airbag |
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| CN113532712A CN113532712A (en) | 2021-10-22 |
| CN113532712B true CN113532712B (en) | 2023-04-28 |
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| CN114112279A (en) * | 2021-11-29 | 2022-03-01 | 国网浙江省电力有限公司电力科学研究院 | Pumped storage power station transformer impact test bed and test method |
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| GB188830A (en) * | 1921-09-06 | 1922-11-23 | Arthur Budd Low | Improvements in or relating to pressure gages for pneumatic tires |
| JPH09263207A (en) * | 1996-03-29 | 1997-10-07 | Nissan Diesel Motor Co Ltd | Steering wheel airbag |
| JP2001151072A (en) * | 1999-11-24 | 2001-06-05 | Daihatsu Motor Co Ltd | Air bag device for automobile |
| KR100999735B1 (en) * | 2007-06-26 | 2010-12-08 | 현대자동차주식회사 | Pressure control apparatus of a air bag |
| CN105004502A (en) * | 2015-08-18 | 2015-10-28 | 重庆理工大学 | Airbag linear impact test platform and test method |
| CN205262761U (en) * | 2015-11-24 | 2016-05-25 | 北京汽车股份有限公司 | Car gasbag subassembly testing arrangement |
| CN106017830B (en) * | 2016-05-25 | 2018-06-08 | 昆山浩硕精密机械有限公司 | Protecting against shock type safe automobile air bag rigidity detection device |
| CN208208162U (en) * | 2017-12-15 | 2018-12-07 | 北京智扬北方国际教育科技有限公司 | It is a kind of for detecting the safe automobile air bag demonstration table of air bag performance |
| CN210269089U (en) * | 2019-07-31 | 2020-04-07 | 武汉蓝恩汽车服务有限公司 | Rigidity detection device for automobile side safety airbag |
| CN110763415A (en) * | 2019-11-06 | 2020-02-07 | 屠越海 | Rigidity detection equipment for automobile safety airbag |
| CN211332267U (en) * | 2019-12-24 | 2020-08-25 | 常熟市兄弟玻璃模具有限公司 | Multi-station self-pushing centering clamp for glass mold forming initial mold |
| CN212206518U (en) * | 2020-03-22 | 2020-12-22 | 竹田（无锡）汽配制造有限公司 | Impact-proof automobile safety airbag rigidity detection device |
| CN212410003U (en) * | 2020-05-26 | 2021-01-26 | 武汉恩卡普汽车检测技术有限公司 | Air bag rigidity detection device capable of being used for detecting various air bags in automobile |
| CN212807629U (en) * | 2020-08-27 | 2021-03-26 | 苏州东旴电子科技有限公司 | General detection equipment of car air bag |
| CN213456021U (en) * | 2020-12-02 | 2021-06-15 | 青海省药品检验检测院 | Medical glove tightness detection device |
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