CN110763415A - Rigidity detection equipment for automobile safety airbag - Google Patents
Rigidity detection equipment for automobile safety airbag Download PDFInfo
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- CN110763415A CN110763415A CN201911076406.7A CN201911076406A CN110763415A CN 110763415 A CN110763415 A CN 110763415A CN 201911076406 A CN201911076406 A CN 201911076406A CN 110763415 A CN110763415 A CN 110763415A
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- groove
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- airbag
- safety airbag
- rigidity
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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
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0075—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by means of external apparatus, e.g. test benches or portable test systems
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Air Bags (AREA)
Abstract
The invention discloses automobile safety airbag rigidity detection equipment which comprises a detector body, detector supporting legs and a steering wheel fixedly connected among the detector supporting legs through mounting rods, wherein an airbag placing position is arranged on the steering wheel, and a sliding groove is formed in the lower end of the detector body. By arranging the detection mechanism, the protection mechanism, the control mechanism, the first driving mechanism and the second driving mechanism, the bounce force borne by the safety airbag and the displacement and displacement speed of the push block can be measured by the pressure sensor and the displacement sensor, the rigidity of the safety airbag is convenient to calculate, meanwhile, when the safety airbag is in an explosion state, the debugging equipment can be pulled into the accommodating groove and the cover plate is closed, and after the explosion is finished, the debugging equipment automatically extends out under the action of the strong spring force after the safety airbag is taken down, so that the normal debugging of the electronic elements of the detection device by a worker is ensured, and the debugging equipment can be well protected.
Description
Technical Field
The invention relates to the technical field of safety airbag detection equipment, in particular to automobile safety airbag rigidity detection equipment.
Background
The airbag is a part for protecting a driver and passengers in an automobile, and when the automobile collides, the airbag is rapidly expanded and opened to relieve the impact on the passengers and absorb collision energy, thereby reducing the injury degree of the passengers.
The safety airbag also has the unsafe side, the impact force of the safety airbags with different rigidity to the human body is very different, and the safety airbag with overlarge rigidity is likely to cause huge damage to the human body when in ignition, so that the rigidity detection is necessary to ensure that the safety airbag can impact the human body in a safe range during production, and the protection effect of the safety airbag on the human body is larger than the damage of the safety airbag on the human body.
The existing air bag rigidity detection device is generally provided with a displacement sensor, a pressure sensor, debugging equipment and a display for remotely recording data, but in the actual operation process, as various data of the equipment need to be debugged before the air bag is ignited, and various sensors on the equipment need to be disassembled and assembled in the data debugging process, in order to facilitate a detector to debug electronic elements on the detection device before the air bag is ignited, the debugging equipment is generally installed nearby the detection device, the air bag has uncertainty when ignited, namely the expansion direction of the air bag cannot be completely determined, the expanded air bag easily and directly impacts the debugging equipment installed nearby the detection device, and the huge acting force of the explosion of the air bag can cause a steering wheel and other parts to be damaged to generate fragments which can splash to the debugging equipment, if the voltage is too high, the debugging equipment is not easy to detect, and the debugging equipment is not easy to detect.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides rigidity detection equipment for an automobile safety airbag, which is provided with a detection mechanism, a protection mechanism, a control mechanism, a first driving mechanism and a second driving mechanism, when the safety airbag is ignited, the rebound force of the safety airbag and the displacement and displacement speed of a push block can be measured by a pressure sensor and a displacement sensor, so that the rigidity of the safety airbag can be calculated conveniently, meanwhile, when the safety airbag is ignited, the protection mechanism pulls the debugging equipment into a receiving groove, the control mechanism controls a cover plate to be closed, and after the safety airbag is taken down after the ignition explosion, the debugging equipment automatically extends out under the action of strong spring force, so that the normal debugging of electronic elements of a detection device by a worker is ensured, and the debugging equipment can be well protected.
In order to achieve the purpose, the invention adopts the following technical scheme:
the automobile safety airbag rigidity detection device comprises a detector body, detector supporting legs and a steering wheel fixedly connected among the detector supporting legs through mounting rods, wherein an airbag placing position is arranged on the steering wheel, a sliding groove is formed in the lower end of the detector body, a push block is connected in the sliding groove in a sealing and sliding manner, a detection mechanism for detecting the rigidity of a safety airbag is mounted on the push block, a device cavity communicated with the sliding groove is formed in the detector body, the push block is elastically connected with the inner top of the device cavity through a strong spring, a guide mechanism for limiting the sliding direction of the push block is mounted at the top in the device cavity, a storage groove is formed in the lower end of the detector body, debugging equipment electrically connected with the detection mechanism is arranged in the storage groove, and a protection mechanism for storing the airbag into the storage groove when the airbag is subjected to point explosion is mounted on the debugging equipment, the inner wall of the accommodating groove is provided with a transverse groove, the transverse groove is internally and slidably connected with an iron cover plate, the cover plate is provided with a pushing mechanism for pushing the cover plate to open and close, a first transmission mechanism for driving the control mechanism to move is arranged in the device cavity, and a second transmission mechanism for driving the first transmission mechanism to move is arranged at the upper end of the push block.
Preferably, the detection mechanism comprises a displacement sensor fixedly mounted on the push block, a pressing block and a pressure sensor fixedly mounted on the pressing block, and the pressing block is fixedly connected to the lower end of the push block through a connecting rod.
Preferably, the guide mechanism comprises a guide rod and a guide groove formed in the upper end of the push block, the guide rod is connected in the guide groove in a sealing and sliding mode, and the upper end of the guide rod is fixedly connected to the inner top of the device cavity.
Preferably, the protection mechanism comprises a cylindrical cavity arranged above the accommodating groove in the detector body and a sliding plug connected in the cylindrical cavity in a sealing and sliding manner, the sliding plug is fixedly connected with the debugging equipment through a sliding rod, and the lower end part of the cylindrical cavity is communicated with the device cavity through an air guide groove.
Preferably, pushing mechanism includes fixed pulley, reel and permanent magnetism piece, the pulley groove has been seted up in the detector body, fixed pulley fixed mounting is in the pulley groove, around being equipped with the wire on the reel, the wire passes through fixed pulley fixed connection on the lateral wall of apron, the permanent magnetism piece inlays to be established on the inner wall of accomodating the groove.
The invention has the following beneficial effects:
1. by arranging the detection mechanism, the debugging equipment, the push block and the press block, when the safety airbag is detonated, the rebound force borne by the safety airbag and the displacement and displacement speed of the push block can be measured by the pressure sensor and the displacement sensor, so that the rigidity of the safety airbag can be calculated by workers conveniently;
2. by arranging the protection mechanism, the control mechanism, the first transmission mechanism and the second transmission mechanism, the debugging equipment can be pulled back into the accommodating groove by the protection mechanism under the action of air pressure when the safety air bag is ignited, and meanwhile, the reel is rotated through the transmission of the first transmission mechanism and the second transmission mechanism to release a lead, so that the cover plate is adsorbed under the magnetic action of the permanent magnets to close the debugging equipment, the debugging equipment is well protected, and the huge impact force generated by the explosion of the air bag when the air bag is ignited is prevented from directly acting on the debugging equipment to damage the debugging equipment;
3. through setting up powerful spring, after the air bag was taken off in the completion of the point explosion, under powerful spring elastic force effect, debugging equipment can stretch out automatically, guarantees that the staff can normally debug each electronic parts of check out test set when detecting next time.
Drawings
FIG. 1 is a schematic structural diagram of an automobile airbag rigidity detection device according to the present invention;
FIG. 2 is a schematic structural diagram of an automobile airbag rigidity detection device provided by the invention in an airbag explosion state;
FIG. 3 is an enlarged view of the structure at A in FIG. 1;
FIG. 4 is an enlarged view of the structure at B in FIG. 1;
fig. 5 is an enlarged view of the structure at C of fig. 2.
In the figure: the device comprises a detector body 1, supporting legs 2, a device cavity 3, a mounting rod 4, a steering wheel 5, an air bag placing position 6, a pressing block 7, a pressure sensor 8, a connecting rod 9, a displacement sensor 10, a sliding chute 11, a spring 12, a guide rod 13, a guide groove 14, a winding wheel 15, a first belt pulley 16, a gear 17, a rack 18, a second belt pulley 19, a belt 20, a storage groove 21, a permanent magnet 22, a sliding rod 23, a debugging device 24, a fixed pulley 25, a transverse groove 26, a cover plate 27, a pulley groove 28, a lead 29, a cylindrical cavity 30, a sliding plug 31, an air guide groove 32 and a pushing block 33.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-5, the automobile airbag rigidity detection device comprises a detector body 1, detector legs 2 and a steering wheel 5 fixedly connected among the detector legs 2 through a mounting rod 4, an airbag placing position 6 is arranged on the steering wheel 5, a chute 11 is arranged at the lower end of the detector body 1, a push block 33 is connected in the chute 11 in a sealing and sliding manner, and an airbag in the airbag placing position 6 generates huge impact force on the push block 33 after being ignited, so as to push the push block 33 to move upwards,
install the detection mechanism who is used for detecting air bag rigidity on the ejector pad 33, detection mechanism includes displacement sensor 10, briquetting 7 and the pressure sensor 8 of fixed mounting on briquetting 7 of fixed mounting on ejector pad 33, and briquetting 7 passes through connecting rod 9 fixed connection at ejector pad 33 lower extreme, and detection mechanism electricity is connected with remote display equipment, and the staff can observe the data that the sensor surveyed on remote display equipment.
The displacement sensor 10 and the pressure sensor 8 can respectively detect the rebounding force borne by the safety airbag and the displacement and displacement speed of the push block 33, and display the rebounding force and the displacement and displacement speed on a remote display device, so that workers can calculate the rigidity of the safety airbag conveniently. It should be noted that the sensing technologies of the displacement sensor 10 and the pressure sensor 8 are the prior art, and are not described herein.
The device cavity 3 communicated with the sliding groove 11 is formed in the detector body 1, the push block 33 is elastically connected with the inner top of the device cavity 3 through the strong spring 12, a guide mechanism used for limiting the sliding direction of the push block 33 is installed at the inner top of the device cavity 3, the guide mechanism comprises a guide rod 13 and a guide groove 14 formed in the upper end of the push block 33, the guide rod 13 is connected in the guide groove 14 in a sealing and sliding mode, the upper end of the guide rod is fixedly connected to the inner top of the device cavity, the guide rod 13 is matched with the guide groove 15 to ensure that the push block 33 can slide upwards along the vertical impact force when pushed by air bag explosion, the left and right deviation cannot be generated, and the interference on the rebound force value of the safety air bag measured by the pressure sensor 8 is avoided.
The groove 21 of accomodating has been seted up to detector body 1 lower extreme, it is provided with the debugging equipment 24 of being connected with detection mechanism electricity in the groove 21 to accomodate, install on the debugging equipment 24 and be used for accomodating the protection mechanism of groove 21 with it when the gasbag point explodes, protection mechanism is including seting up the cylindricality chamber 30 and the sliding plug 31 of sealed sliding connection in cylindricality chamber 30 that lie in the groove 21 top of accomodating department in detector body 1, sliding plug 31 passes through slide bar 23 and debugging equipment 24 fixed connection, the lower tip in cylindricality chamber 30 communicates with device chamber 3 through leading air groove 32, all be equipped with in cylindricality chamber 30 and the device chamber 3 with external intercommunication, a vent for keep the constant voltage.
When the pushing block 33 is pushed by the impact force to slide upwards, part of the air in the device cavity 3 is pressed into the lower end part of the cylindrical cavity 30, so that the sliding plug 31 is pushed upwards, and the debugging device 24 is pulled into the receiving groove under the action of the sliding rod 23.
The transverse groove 26 is formed in the inner wall of the accommodating groove 21, the cover plate 27 with iron is connected to the transverse groove 26 in a sliding mode, a pushing mechanism used for pushing the cover plate 27 to open and close is installed on the cover plate 27, the pushing mechanism comprises a fixed pulley 25, a winding wheel 15 and permanent magnets 22, a pulley groove 28 is formed in the detector body 1, the fixed pulley 25 is fixedly installed in the pulley groove 28, a lead 29 is wound on the winding wheel 15, the lead 29 is fixedly connected to the side wall of the cover plate 27 through the fixed pulley 25, and the permanent magnets 22 are embedded on the inner wall of the accommodating groove 21.
A first transmission mechanism for driving the control mechanism to act is installed in the device cavity 3 and comprises a first belt pulley 16 and a second belt pulley 19, the first belt pulley 16 and the second belt pulley 19 are both rotatably connected in the device cavity 3, the second belt pulley 19 is coaxially and fixedly connected with the reel 15, the first belt pulley 19 is coaxially and fixedly connected with the gear 17, and the first belt pulley 16 is in transmission connection with the second belt pulley 19 through a belt 20.
When the pushing block 33 slides upwards, the rack 18 is meshed with the gear 17 to rotate anticlockwise, so that the reel 15 is driven to rotate anticlockwise through the transmission action of the first belt pulley 16 and the second belt pulley 19, the lead 29 is released, the cover plate 27 loses the tension of the lead, the permanent magnet 22 attracts the lead, and the lead slides rightwards until the accommodating groove 21 is in a closed state.
The second transmission mechanism for driving the first transmission mechanism to act is installed at the upper end of the push block 33 and comprises a gear 17 and a rack 18 which are meshed with each other, the gear 17 is coaxially and fixedly connected with the first belt pulley 19, and the rack 18 is fixedly connected to the upper end of the push block 33.
It should be noted that the airbag is disposed closely to the pressing block 7 when the airbag is not ignited, that is, the airbag just is ignited by the pressing block to immediately slide up, so as to collect the debugging device 24 into the accommodating slot 21 and close the cover plate 27, and protect the debugging device in time, but the non-debugging device 24 is collected into the accommodating slot 21 after being affected by the explosion.
Meanwhile, it should be noted that the length of the transverse groove 26 is larger than the height of the accommodating groove 21, when the airbag is exploded, the debugging device is drawn into the accommodating groove under the action of air pressure generated by sliding on the push block 33, and the cover plate 27 slides rightwards under the action of the magnetic force of the permanent magnet block 22, because the transverse groove 26 is longer, the cover plate 27 will reach the horizontal position of the debugging device 24 after the debugging device 24 is accommodated in the accommodating groove 21, and will not interfere with the upward movement of the debugging device 24.
In the invention, when the rigidity of the safety airbag is detected, the safety airbag is firstly installed in the airbag placing position 6, the steering wheel 5 is fully arranged to simulate the real situation, then the safety airbag is ignited, the impact force of the safety airbag pushes the pressing block and the pushing block 33 to move upwards, the pressure sensor 8 detects the rebounding force applied to the safety airbag, the displacement sensor 10 detects the displacement and the displacement speed of the pushing block 33 and displays the displacement speed on the debugging equipment 24, and the rigidity of the safety airbag is conveniently observed and calculated by a worker.
Meanwhile, when the safety airbag is exploded, the push block 33 slides upwards along the sliding groove 11 to press air in the device cavity 3, wherein most of the air enters the outside, and a small part of the air enters the cylindrical cavity 30 along the air guide groove 32, so that the sliding plug 31 is pushed to slide upwards, and the sliding rod 23 drives the debugging equipment 24 to enter the accommodating groove 21; and the pushing block 33 moves upwards to drive the rack 18 to move upwards, so that the meshing gear 17 rotates anticlockwise, the gear 17 drives the reel 15 to rotate anticlockwise through the transmission action of the first belt pulley 16 and the second belt pulley 9, the lead 29 is released, the cover plate 27 loses the tensile force of the lead 29 and is adsorbed to the other side wall of the accommodating groove 21 under the action of the permanent magnet block 22, the accommodating groove 21 is closed, good protection effect is formed on the debugging equipment 24, and the debugging equipment is prevented from being damaged due to direct impact of the airbag and impact of splashed steering wheel fragments and other objects.
After the detonation is completed, the worker takes off the air bag, under the action of the elastic force of the strong spring 12, the push block 33 restores to the initial position, so that the rack 18 is meshed with the gear 17 to rotate clockwise, the gear 17 drives the reel 15 to rotate clockwise through the first belt pulley 19 and the second belt pulley 16, the lead 29 is retracted, the cover plate 27 is pulled back into the transverse groove 26, meanwhile, the air pressure in the device cavity 3 is reduced, the sliding plug 31 slides downwards, the debugging equipment 24 is pushed out of the accommodating groove 21, and the worker can conveniently debug the electronic elements of the detection device before the next detection is started.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. Automobile safety airbag rigidity detection equipment comprises a detector body (1), detector supporting legs (2) and a steering wheel (5) fixedly connected among the detector supporting legs (2) through an installation rod (4), and is characterized in that an airbag placing position (6) is arranged on the steering wheel (5), a sliding groove (11) is formed in the lower end of the detector body (1), a pushing block (33) is connected in the sliding groove (11) in a sealing mode, a detection mechanism used for detecting the rigidity of a safety airbag is installed on the pushing block (33), a device cavity (3) communicated with the sliding groove (11) is formed in the detector body (1), the pushing block (33) is elastically connected with the inner top of the device cavity (3) through a strong spring (12), and a guide mechanism used for limiting the sliding direction of the pushing block (33) is installed at the inner top of the device cavity (3), detector body (1) lower extreme has been seted up and has been accomodate groove (21), it is provided with debugging equipment (24) of being connected with detection mechanism electricity in groove (21) to accomodate, install on debugging equipment (24) and be used for taking in the protection mechanism of accomodating groove (21) with it when the gasbag point explodes, horizontal groove (26) have been seted up on the inner wall of accomodating groove (21), sliding connection has apron (27) that have iron in horizontal groove (26), install the pushing mechanism who is used for promoting apron (27) to open and shut on apron (27), install the first drive mechanism who is used for the action of drive control mechanism in device chamber (3), the second drive mechanism who is used for driving the action of first drive mechanism is installed to ejector pad (33) upper end.
2. The rigidity detection device for the automobile airbag according to claim 1, wherein the detection mechanism comprises a displacement sensor (10) fixedly mounted on the push block (33), a pressure block (7) and a pressure sensor (8) fixedly mounted on the pressure block (7), and the pressure block (7) is fixedly connected to the lower end of the push block (33) through a connecting rod (9).
3. The rigidity detection apparatus for an automobile airbag according to claim 1, characterized in that the guide mechanism comprises a guide rod (13) and a guide groove (14) provided at an upper end of the push block (33), the guide rod (13) is slidably connected in the guide groove (14) in a sealing manner, and the upper end of the guide rod (13) is fixedly connected to an inner top of the device cavity (3).
4. The rigidity detection device for the automobile airbag according to claim 1, wherein the protection mechanism comprises a cylindrical cavity (30) which is arranged in the detector body (1) and located above the accommodating groove (21), and a sliding plug (31) which is connected in the cylindrical cavity (30) in a sealing and sliding mode, the sliding plug (31) is fixedly connected with the debugging device (24) through a sliding rod (23), and the lower end of the cylindrical cavity (30) is communicated with the device cavity (3) through an air guide groove (32).
5. The rigidity detection apparatus for an automobile airbag according to claim 1, wherein the urging mechanism includes a fixed pulley (25), a reel (15), and a permanent magnet (22), a pulley groove (28) is formed in the detector body (1), the fixed pulley (25) is fixedly installed in the pulley groove (28), a lead (29) is wound on the reel (15), the lead (29) is fixedly connected to a side wall of the cover plate (27) through the fixed pulley (25), and the permanent magnet (22) is embedded on an inner wall of the housing groove (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911076406.7A CN110763415A (en) | 2019-11-06 | 2019-11-06 | Rigidity detection equipment for automobile safety airbag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911076406.7A CN110763415A (en) | 2019-11-06 | 2019-11-06 | Rigidity detection equipment for automobile safety airbag |
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| Publication Number | Publication Date |
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| CN110763415A true CN110763415A (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911076406.7A Withdrawn CN110763415A (en) | 2019-11-06 | 2019-11-06 | Rigidity detection equipment for automobile safety airbag |
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| Country | Link |
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| CN (1) | CN110763415A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595476A (en) * | 2020-11-27 | 2021-04-02 | 中国航发四川燃气涡轮研究院 | Method and device for measuring rigidity of vacuum diaphragm capsule assembly of aero-engine |
| CN113532712A (en) * | 2021-06-28 | 2021-10-22 | 薛磊 | Detection device for testing impact force of automobile safety airbag |
| CN116499670A (en) * | 2023-06-27 | 2023-07-28 | 苏州明远汽车零部件制造有限公司 | Automobile safety airbag rigidity detection device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595476A (en) * | 2020-11-27 | 2021-04-02 | 中国航发四川燃气涡轮研究院 | Method and device for measuring rigidity of vacuum diaphragm capsule assembly of aero-engine |
| CN113532712A (en) * | 2021-06-28 | 2021-10-22 | 薛磊 | Detection device for testing impact force of automobile safety airbag |
| CN116499670A (en) * | 2023-06-27 | 2023-07-28 | 苏州明远汽车零部件制造有限公司 | Automobile safety airbag rigidity detection device |
| CN116499670B (en) * | 2023-06-27 | 2023-09-08 | 苏州明远汽车零部件制造有限公司 | Automobile safety airbag rigidity detection device |
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Application publication date: 20200207 |