阅读说明：本技术 一种用于测试汽车安全气囊冲击力的检测装置 (Detection device for testing impact force of automobile safety airbag ) 是由 薛磊 于 2021-06-28 设计创作，主要内容包括：本发明公开了一种用于测试汽车安全气囊冲击力的检测装置,包括基板,其侧壁上贯通安装有滑块,所述滑块的端部垂直安装有起到固定气囊总成作用的紧固爪,且固定气囊总成与紧固爪的外壁贴合设置,并且基板的侧壁上连接有电机；导架,其对称焊接在所述基板的拐角处,所述导架上滑动安装有限制移动板移动方向的导块,且导块对称安装在所述移动板的侧壁上。该用于测试汽车安全气囊冲击力的检测装置,其自动化程度更高,简化的手动操作步骤,装置能够快速将待检测安全气囊固定,且装置具有安全气囊冲击力检测能力,能够收集安全气囊膨胀时,在多个方位上的冲击力数据,并能够得出安全气囊的安全使用距离。(The invention discloses a detection device for testing the impact force of an automobile safety airbag, which comprises a substrate, wherein a slide block is penetratingly arranged on the side wall of the substrate, a fastening claw for fixing an airbag assembly is vertically arranged at the end part of the slide block, the fixed 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 frame, its symmetrical welding is in the corner of base plate, slidable mounting has the guide block of restriction movable plate moving direction on the guide frame, and the guide block symmetry is installed on the lateral wall of movable plate. This a detection device for testing car air bag impact force, its degree of automation is higher, the manual operation step of simplifying, it is fixed that the device can wait to detect air bag fast, and the device has air bag impact force detectability, when can collecting the air bag inflation, impact force data in a plurality of position to can obtain air bag's safe service distance.)

1. A detection device for testing impact force of an automobile air bag, comprising:

the side wall of the base plate is provided with a sliding block in a through mode, the end part of the sliding block is vertically provided with a fastening claw which plays a role in fixing an 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 arranged on the guide frames in a sliding mode, the guide blocks are symmetrically arranged on the side wall of the moving plate, and a rack bar vertically connected to the base plate is arranged on the side of each guide block;

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 and penetrates through the base plate, the piston rod is slidably mounted on the inner wall of the inflator, and the inflator is vertically mounted on the side wall of the moving plate.

2. A test device for testing an impact force of an airbag for an automobile according to claim 1, wherein: set up the spacing spout of symmetric distribution on the base plate, and the spout is embedded to be equipped with the slider to the slider is cruciform structure, link up on the slider moreover and is provided with the threaded rod.

3. A test device for testing an impact force of an airbag for an automobile according to claim 2, wherein: the threaded rod is rotatably installed 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 installed on an output shaft of the motor.

4. A test device for testing an impact force of an airbag for an automobile according to claim 1, wherein: the cross-section of guide frame is I shape structure, and guide frame and guide block form horizontal sliding structure to install the urceolus of vertical setting on the outer wall of guide block, the inner wall of urceolus constitutes slip elevation 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.

5. A test device for testing impact force of an airbag for an automobile according to claim 4, wherein: the bottom of depression bar is laminated and is set up on spacing tooth, and spacing tooth rotates and installs on the cross axle to the cross axle welding is in on the lateral wall of guide block, and spacing tooth constitutes one-way limit structure with the ratch moreover.

6. A test device for testing an impact force of an airbag for an automobile according to claim 1, wherein: the atress board is equidistant to be provided with 9, and the atress board is in same vertical plane, moreover atress board with base plate parallel arrangement.

7. A test device for testing an impact force of an airbag for an automobile according to claim 1, wherein: the air inlet pipe connected between the air cylinder and the indicating cylinder realizes the communication between the interior of the air cylinder and the interior of the indicating cylinder, the air inlet pipe is provided with a one-way valve which enables air to flow in a one-way mode, and the indicating cylinder is provided with a scale value used for displaying the pressure.

8. A test device for testing impact force of an airbag for an automobile as set forth in claim 7, wherein: the utility model discloses an indicating cylinder, including indicating cylinder, second spring, air cylinder, solenoid valve, lifting disc, air cylinder, indicating cylinder, air exhaust pipe, electromagnetic valve, air exhaust pipe, electromagnetic valve, air exhaust pipe, electromagnetic valve, air exhaust pipe, electromagnetic valve, air exhaust pipe, and air exhaust pipe, electromagnetic valve, air exhaust pipe, electromagnetic valve, air exhaust pipe, electromagnetic valve, and air exhaust pipe, electromagnetic valve, air exhaust pipe, electromagnetic valve, and air exhaust pipe, electromagnetic valve, and air exhaust pipe, electromagnetic valve, and air exhaust pipe, electromagnetic valve, and air exhaust pipe, electromagnetic valve, and air exhaust pipe, electromagnetic valve, and air exhaust pipe, electromagnetic valve, exhaust pipe, electromagnetic valve, exhaust pipe, and air exhaust pipe, electromagnetic valve, electromagnetic.

Technical Field

The invention relates to the technical field of automobile equipment detection, in particular to a detection device for testing the impact force of an automobile safety airbag.

Background

Automobile air bag is an expansion type safety protection device of gas, and when the automobile body takes place acutely to strike, air bag's gas generation structure can produce a large amount of gases in the short time to make the quick inflation of gasbag protect the human body, need carry out the security in the gasbag production process and detect, however current automobile air bag detection device has some problems.

For example, the airbag clamping detection device disclosed in publication No. CN205262376U comprises a base and a clamping detection mechanism located on the base, wherein the clamping detection mechanism comprises a first clamping detection mechanism and a second clamping detection mechanism … …, which are oppositely arranged, and the first clamping detection mechanism is used for clamping and detecting the end part of the airbag, and the second clamping detection mechanism is used for detecting the middle part of the airbag. The automatic safety airbag clamping device is low in automation degree, more in manual operation steps, difficult to clamp and fix the safety airbag fast, and incapable of detecting the impact force of the safety airbag, so that whether the safety airbag is damaged by overlarge impact force or not when the safety airbag is used cannot be judged.

In order to solve 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, and aims to solve the problems that the conventional detection device for the automobile safety airbag in the background art has low automation degree, more manual operation steps, difficulty in quickly clamping and fixing the safety airbag, and no safety airbag impact force detection capability, so that whether the safety airbag is damaged by overlarge impact force when in use cannot be judged.

In order to achieve the purpose, the invention provides the following technical scheme: a test device for testing impact force of an airbag for a vehicle, comprising:

the side wall of the base plate is provided with a sliding block in a through mode, the end part of the sliding block is vertically provided with a fastening claw which plays a role in fixing an 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 arranged on the guide frames in a sliding mode, the guide blocks are symmetrically arranged on the side wall of the moving plate, and a rack bar vertically connected to the base plate is arranged on the side of each guide block;

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 and penetrates through the base plate, the piston rod is slidably mounted on the inner wall of the inflator, and the inflator is vertically mounted on the side wall of the moving plate.

Preferably, the base plate is provided with symmetrically distributed limiting sliding grooves, the sliding blocks are embedded in the sliding grooves and are of a cross 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 installed on the side wall of the base plate, threaded grooves with opposite rotation directions are symmetrically distributed on the threaded rod, the threaded grooves and the sliding blocks form a threaded transmission structure, and the threaded rod is installed on an output shaft of the motor and can drive the sliding blocks to move.

Preferably, the cross section of the guide frame is of an I-shaped structure, the guide frame and the guide block form a horizontal sliding structure, the outer wall of the guide block is provided with an outer cylinder which is vertically arranged, the inner wall of the outer cylinder and the compression bar form a sliding lifting structure, a first spring for providing pressure is connected between the end part of the compression bar and the inner wall of the outer cylinder, and the compression bar is driven to move by the first spring.

Preferably, the bottom end of the pressure lever is attached to the limiting tooth, the limiting tooth is rotatably mounted on the cross shaft, the cross shaft is welded to the side wall of the guide block, and the limiting tooth and the toothed lever form a one-way limiting structure, so that the limiting tooth can rotate on the cross shaft.

Preferably, the number of the stress plates is 9, 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 between the interiors of the air cylinder and the indicating cylinder, the air inlet pipe is provided with a one-way valve which enables air to flow in a one-way mode, the indicating cylinder is provided with a scale value used for displaying the pressure, and the air in the air cylinder can enter the indicating cylinder.

Preferably, the inner wall of the indication barrel is provided with a lifting disc in a laminating manner, a second spring playing a role in resetting is connected between the lifting disc and the top of the inner wall of the indication barrel, an exhaust pipe playing a role in communicating is installed between the bottom of the indication barrel and the inflator, and an electromagnetic valve is installed on the exhaust pipe, so that gas in the indication barrel can enter 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 automation degree and simplified manual operation steps, can quickly fix the safety airbag to be detected, has the safety airbag impact force detection capability, can collect impact force data in multiple directions when the safety airbag expands, and can obtain the safe use distance of the safety airbag;

1. the base plate is provided with symmetrically distributed limiting sliding grooves, sliding blocks with cross-shaped sections are embedded in the sliding grooves, the fastening claws are arranged on the sliding blocks, threaded grooves with opposite rotation directions are symmetrically distributed on the threaded rods, and the threaded grooves and the sliding blocks form a threaded transmission structure, so that when the threaded rods rotate, 2 sliding blocks can be driven to mutually approach each other, and the fastening claws can quickly fix the air bag assembly;

2. the atress board is equidistant to be provided with 9, and the atress board is installed at the tip of piston rod, and piston rod slidable mounting has realized the inside intercommunication between them in the inside at the inflator, and the intake pipe of being connected between inflator and the indicator cylinder, and install the check valve in the intake pipe, utilize air bag's impact force to promote atress board and piston rod, thereby impress the gas in the inflator in the indicator cylinder, make the lifter plate rebound, utilize the scale on the directional indicator cylinder of lifter plate, thereby reachs 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 the installation structure of the stress plate of the present invention;

FIG. 3 is a schematic view of a threaded rod mounting structure of the present invention;

FIG. 4 is a schematic view of a fastening claw mounting structure of the present invention;

FIG. 5 is a schematic view of a guide block mounting structure according to the present invention;

FIG. 6 is a schematic view of a strut mounting structure according to the present invention;

fig. 7 is a schematic view of the mounting structure of the lifting plate of the present invention.

In the figure: 1. a substrate; 2. a slider; 3. a fastening claw; 4. an air bag assembly; 5. a threaded rod; 6. a motor; 7. a guide frame; 8. a guide block; 9. moving the plate; 10. an outer cylinder; 11. a pressure lever; 12. a first spring; 13. limiting teeth; 14. a horizontal axis; 15. a rack bar; 16. a piston rod; 17. a stress plate; 18. an air cylinder; 19. an air inlet pipe; 20. a one-way valve; 21. an indicator barrel; 22. a lifting plate; 23. a second spring; 24. an exhaust pipe; 25. an electromagnetic valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a test device for testing impact force of an airbag for a vehicle, comprising:

the side wall of the base plate 1 is provided with a sliding block 2 in a through mode, the end part of the sliding block 2 is vertically provided with a fastening claw 3 which plays a role of fixing an air bag assembly 4, the fixing air bag assembly 4 is attached to the outer wall of the fastening claw 3, and the side wall of the base plate 1 is connected with a motor 6;

the guide frame 7 is symmetrically welded at the corner of the base plate 1, guide blocks 8 for limiting the moving direction of the moving plate 9 are arranged on the guide frame 7 in a sliding mode, the guide blocks 8 are symmetrically arranged on the side wall of the moving plate 9, and a rack bar 15 vertically connected to the base plate 1 is arranged on the side edge of each guide block 8;

a force bearing plate 17 arranged between the moving plate 9 and the base plate 1, a piston rod 16 is connected to the center of the side wall of the force bearing plate 17, the piston rod 16 is arranged to penetrate through the base plate 1, the piston rod 16 is slidably mounted on the inner wall of the air cylinder 18, and the air cylinder 18 is vertically mounted on the side wall of the moving plate 9.

Set up the spacing spout of symmetric distribution on the base plate 1, and the embedded slider 2 that is equipped with of spout, and slider 2 is the cruciform structure, and link up on the slider 2 and be provided with threaded rod 5, threaded rod 5 rotates and installs on the lateral wall of base plate 1, and symmetric distribution has the opposite thread groove of turning round on the threaded rod 5, and thread groove and slider 2 constitute the screw drive structure, and threaded rod 5 installs on the output shaft of motor 6, when motor 6 starts, motor 6 can drive threaded rod 5 and rotate, two sections thread grooves that the rotation is opposite on the threaded rod 5 can drive the slider 2 removal that corresponds, make 2 slider 2 be close to each other, it is fixed with gasbag assembly 4 to utilize the fastening claw 3 of connecting on the slider 2.

The section of the guide frame 7 is in an I-shaped structure, the guide frame 7 and the guide block 8 form a horizontal sliding structure, the outer wall of the guide block 8 is provided with an outer cylinder 10 which is vertically arranged, and the inner wall of the outer cylinder 10 and the pressure lever 11 form a sliding lifting structure, a first spring 12 for providing pressure is connected between the end of the pressure lever 11 and the inner wall of the outer cylinder 10, the bottom end of the pressure lever 11 is attached to a limit tooth 13, and the limit tooth 13 is rotatably mounted on a transverse shaft 14, and the cross shaft 14 is welded on the side wall of the guide block 8, and the limit tooth 13 and the toothed bar 15 form a one-way limit structure, the first spring 12 applies pressure to the compression bar 11 through the reset action, so that the pressing rod 11 presses the limit tooth 13 downward, the limit tooth 13 is fixed on the teeth of the toothed rod 15, when the moving plate 9 receives the impact force of the airbag, the limit teeth 13 can prevent the moving plate 9 from moving in the direction away from the base plate 1.

The stress plates 17 are arranged at equal intervals, the stress plates 17 are in the same vertical plane, the stress plates 17 are arranged in parallel with the base plate 1, an air inlet pipe 19 connected between the air cylinder 18 and the indicating cylinder 21 realizes the communication between the interiors of the air cylinder 18 and the indicating cylinder 21, a one-way valve 20 enabling air to flow in a one-way mode is arranged on the air inlet pipe 19, a scale value used for displaying the pressure magnitude is arranged on the indicating cylinder 21, a lifting disc 22 is attached to the inner wall of the indicating cylinder 21, a second spring 23 with the resetting function is connected between the lifting disc 22 and the top of the inner wall of the indicating cylinder 21, an exhaust pipe 24 with the communication function 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 stress plates 17 are impacted by the safety air bags, the stress plates 17 drive the piston rods 16 to move towards the interiors of the air cylinder 18, the piston rods 16 press the air into the interiors of the indicating cylinder 21 through the air inlet pipe 19 and the one-way valve 20, at this time, the pressure inside the indicating cylinder 21 rises, the lifting disc 22 moves upwards under the action of the pressure difference between the inside and the outside of the indicating cylinder 21, the second spring 23 is compressed by the lifting disc 22, the lifting disc 22 points to the corresponding scale value on the indicating cylinder 21, and the impact force of the airbag in multiple directions is obtained by observing the scale value pointed by the lifting disc 22 in each indicating cylinder 21.

The working principle is as follows: when the detection device for testing the impact force of the automobile safety air bag is used, firstly, referring to fig. 1-7, a user places an air bag 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 against each other, so that the air bag 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 inside the airbag assembly 4 is rapidly inflated, when the airbag contacts 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 check valve 20 mounted on the air inlet pipe 19 can prevent the air from flowing back, the air pressure inside the indicating cylinder 21 rises, under the heterodyne action 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 scale value is obtained by observing the scale value, the impact force applied to each stress plate 17 is determined to determine the impact force of the airbag in different directions, after the value is collected, the electromagnetic valve 25 is opened, the second spring 23 drives the lifting disc 22 to move downwards through the resetting action, the lifting disc 22 presses the gas into the gas cylinder 18 through the gas exhaust pipe 24, and the gas pushes the piston rod 16 and the stress plate 17 to reset;

referring to fig. 1-7, when the safe use distance of the airbag needs to be detected, the moving plate 9 is pushed to the base plate 1 by a 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 bounce on the rack bar 15, when the limit teeth 13 move upwards under the pressure of the rack bar 15, the first springs 12 are compressed by the pressure rods 11, when the limit teeth 13 no longer bear the pressure of the rack bar 15, the first springs 12 push the pressure rods 11 downwards under the reset action, the limit teeth 13 are pressed downwards by the pressure rods 11, when the moving plate 9 stops moving, the limit teeth 13 enter the tooth spaces on the rack 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 performed according to the above steps.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.