CN203858078U - Air tightness detection device for airbag base of passenger car - Google Patents
Air tightness detection device for airbag base of passenger car Download PDFInfo
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- CN203858078U CN203858078U CN201420160604.8U CN201420160604U CN203858078U CN 203858078 U CN203858078 U CN 203858078U CN 201420160604 U CN201420160604 U CN 201420160604U CN 203858078 U CN203858078 U CN 203858078U
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- airbag
- airbag base
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Abstract
The utility model relates to an air tightness detection device for an airbag base of a passenger car, which comprises guide columns, wherein the upper ends of and the lower ends of the guide columns are provided with a top plate and a bottom plate respectively, the middle parts of the guide columns are provided with an upper sliding table and a lower sliding table which can move up and down along the guide columns, the bottom surface of the upper sliding table is provided with an upper sealing base, the top surface of the lower sliding table is provided with a lower sealing base, and an airbag base to be detected is arranged between the upper sealing base and the lower sealing base. According to the utility model, upper and lower seam allowances of the airbag base are clamped and sealed, then high-pressure air is inflated into the airbag base, air pressure of a sealed cavity between the lower part of the airbag base and a fixture is detected by using a high-precision air pressure detecting instrument, welding seams of the airbag are proved to leak air if the pressure rises, and the welding seams of the airbag are proved to be qualified if the air pressure does not rise, thereby realizing air tightness detection for the airbag base. Workers only need to load and unload the airbag base in the whole detection process, thereby reducing the labor intensity of the workers, improving the production efficiency, improving the product quality, and improving the working environment.
Description
technical field:
The utility model relates to automobile production aid technical field, is specifically related to a kind of air-tightness detection device of passenger car airbag base.
background technology:
Along with people progressively improve the demand of passenger vehicle comfortableness.Using air spring as the suspension of flexible member with its superior comfort property, the utilization in passenger vehicle is more and more general.The air spring assembly that present domestic passenger vehicle is conventional is comprised of air-bag base, limited block, air bag, air bag upper cover plate.Air-bag base is web member and load assembly important in whole suspension.And have large volume inner space as the Novel welding air-bag base of auxiliary tank because its car load comfortableness is good, simple in structure, intensity is high, quality is light, be the main Types in air-bag base.Because passenger vehicle requires high pressure without gas leakage (weld seam must not leak gas under 10bar air pressure) to air-bag base, and welding can produce pore or by thin-walled material burn-through, so air-bag base is carried out to impermeability detects, is the work that must carry out.
Current domestic inspection air-bag base has three kinds of modes: the one, adopt after the whole assembling of air spring assembly, the inflation of Jiang Qi air-path interface UNICOM, then by the whole submerged of air spring assembly, by checking, whether there is bubble to occur, to judge whether air-bag base and air spring assembly integral body leak gas; The 2nd, adopt special tooling that air-bag base is inverted and is clamped, allow position while welding upward, in air-bag base, fill pressure-air, by smearing in welded joints suds observation, whether there is bubble to judge whether air-bag base leaks gas; The 3rd, adopt special tooling that air-bag base is clamped, in air-bag base, fill pressure-air sealing, by detecting air-bag base internal pressure, whether decline to judge whether air-bag base leaks gas.First method cannot be used because its service condition causes in large-scale production, and second method is owing to too relying on workman's operation, easily produce erroneous judgement, the higher fatiguability of operation repeatability, is used suds to cause work situation bad in a large number, and air pressure is high owing to detecting, maloperation meeting produces certain dangerous, and the third method is because the reliable of hyperbaric environment sealing is poor, plant maintenance difficulty, encapsulant is difficult for selecting, and during high pressure large volume, accuracy is not high.
utility model content:
In sum, in order to overcome the deficiency of prior art problem, the utility model provides a kind of air-tightness detection device of passenger car airbag base, it is that the upper and lower seam of air-bag base is clamped to sealing, then in air-bag base, fill pressure-air, with high precision air pressure detecting instrument, detect the air pressure in airtight cavity between air-bag base below and frock clamp, if air pressure raises and proves the gas leakage of air-bag base weld seam, if air pressure does not raise and proves air-bag base weld is accepted, thereby realize, the impermeability of air-bag base is detected, in whole testing process, workman only needs upper and lower air-bag base, thereby reduction labor strength, enhance productivity, Improving The Quality of Products, improve working environment.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of air-tightness detection device of passenger car airbag base, wherein: comprise guidepost, the two ends up and down of guidepost arrange respectively base plate and top board, the middle part of guidepost arranges upper slide unit and the lower slide unit that can move up and down along guidepost, upper slide unit bottom surface arranges upper seal support, the end face of lower slide unit arranges bottom sealing socket, air-bag base to be detected is arranged between upper seal support and bottom sealing socket, bottom sealing socket and air-bag base bottom to be detected form detects annular seal space, detect annular seal space and be communicated with air pressure detecting instrument by interface tube, on upper seal support, be provided with the pressure-air interface of communicated air bags base top inner chamber, the upper propulsion system that drive upper slide unit to move up and down are set on top board, the lower propulsion system that drive lower slide unit to move up and down are set on base plate.
Further, described upper propulsion system comprise motor, leading screw, driving gear, follower gear, silk braid and axle sleeve, motor is fixed on top board, on the output shaft of motor, driving gear is set, and driving gear and follower gear are intermeshing, follower gear is arranged on axle sleeve, axle sleeve is connected by bearing with top board, is coated with silk braid in axle sleeve, and leading screw is installed in silk braid, and be threaded with silk braid, leading screw lower end is connected with downslide countertop.
Further, described lower propulsion system comprise cylinder, on carve piece and under carve piece, above carve piece and be fixed on lower slide unit bottom surface, above carve piece with under carve piece and cooperatively interact, under carve piece and be connected with the expansion link of cylinder.
The beneficial effects of the utility model are:
1, the utility model is that the upper and lower seam of air-bag base is clamped to sealing, then in air-bag base, fill pressure-air, with high precision air pressure detecting instrument, detect the air pressure in airtight cavity between air-bag base below and frock clamp, if air pressure raises and proves the gas leakage of air-bag base weld seam, if air pressure does not raise and proves air-bag base weld is accepted, thereby realize, the impermeability of air-bag base is detected, in whole testing process, workman only needs upper and lower air-bag base, thereby reduction labor strength, enhance productivity, Improving The Quality of Products, improves working environment.
2, the utility model can effectively promote air-bag base quality, increase reliability and the stability of air-bag base, original air-bag base detection mode, whether air-bag base leaks gas is estimated judgement by workman completely, because of impacts such as environment and frock clamp interference solid lines, easily cause erroneous judgement, unstable product quality; Adopt after the utility model, because air pressure detecting instrument shows that by numeral atmospheric pressure value changes, precision is high, and qualified (G) or defective (NG) light prompt for net result, stops erroneous judgement, improves the reliability of product.
3, the utility model can effectively reduce labor strength, original impermeability detection mode need the upper and lower air-bag base of operator, with pneumatic impact wrench clamp air-bag base, inflation, visual workpiece check whether there is gas leakage for 20 to 30 seconds, exit, unclamp workpiece, the sequence of operations such as lower, labour intensity is large, especially easily causes visual fatigue; And the utility model operator only needs upper and lower air-bag base.
4, the utility model can effectively improve work situation, original impermeability detection mode adopts water as detecting medium, production environment is easily dirty, with pneumatic impact wrench, clamp air-bag base and have larger noise, adopt after the utility model, only use pressurized air, workman only need give the button a slight press and can operate, and on-site noise is also reduced to below 65db.
accompanying drawing explanation:
Fig. 1 is structural representation of the present utility model.
embodiment:
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, a kind of air-tightness detection device of passenger car airbag base, comprise guidepost 12, the two ends up and down of guidepost 12 arrange respectively base plate 1 and top board 9, the middle part of guidepost 12 arranges upper slide unit 8 and the lower slide unit 4 that can move up and down along guidepost 12, upper slide unit 8 bottom surfaces arrange upper seal support 6, the end face of lower slide unit 4 arranges bottom sealing socket 5, air-bag base 7 to be detected is arranged between upper seal support 6 and bottom sealing socket 5, bottom sealing socket 5 forms and detects annular seal space 13 with air-bag base 7 bottoms, detect annular seal space 13 and be communicated with air pressure detecting instrument by interface tube 14, on upper seal support 6, be provided with the pressure-air interface 15 of communicated air bags base 7 top inner chambers, the upper propulsion system that drive upper slide unit 8 to move up and down are set on top board 9, the lower propulsion system that drive lower slide unit 4 to move up and down are set on base plate 1.Described upper propulsion system comprise motor 11, leading screw 10, driving gear 16, follower gear 17, silk braid 18 and axle sleeve 19, motor 11 is fixed on top board 9, driving gear 16 is set on the output shaft of motor 11, driving gear 16 is intermeshing with follower gear 17, and follower gear 17 is arranged on axle sleeve 19, and axle sleeve 19 is connected by bearing with top board 9, in axle sleeve 19, be coated with silk braid 18, leading screw 10 is installed in silk braid 18, and is threaded with silk braid 18, and leading screw 10 lower ends are connected with lower slide unit 4 end faces.Described lower propulsion system comprise cylinder 2, on carve piece 20 and under carve piece 3, above carve piece 20 and be fixed on lower slide unit 4 bottom surfaces, above carve piece 20 with under carve piece 3 and cooperatively interact, under carve piece 3 and be connected with the expansion link of cylinder 2.
When detecting, now air-bag base to be detected 7 is put on bottom sealing socket 5, motor 11 is by driving gear 16, follower gear 17, axle sleeve 19 and silk braid 18 drive leading screw 10 to rotate, leading screw 10 drives upper slide unit 8 to decline, upper seal support 6 is pressed onto edge on air-bag base 7, then the expansion link of cylinder 2 stretches out, under promotion, carve piece 3 actions, on carve piece 20 with under carve piece 3 and cooperatively interact, drive lower slide unit 4 to rise, bottom sealing socket 5 rises, upper seal support 6 declines, thereby make upper seal support 6 and bottom sealing socket 5 compress air-bag base 7, then pressure-air is filled with in air-bag base 7 top inner chambers by pressure-air interface 15, air pressure detecting instrument detects air pressure by close nipple and detects the air pressure change in annular seal space 13, if air pressure raises and proves air-bag base 7 weld seam gas leakage, if air pressure does not raise and proves air-bag base 7 weld is accepteds, thereby realize, the impermeability of air-bag base 7 is detected, finally by pressure-air interface 15, air-bag base 7 inner high voltage air are emitted, cylinder 2 actions make to drive lower slide unit 4 to decline, motor 11 drives upper slide unit 8 to rise, take out air-bag base 7, a testing process finishes.
Be noted that, above-described embodiment is to the explanation of technical solutions of the utility model and unrestricted, other modification that is equal to replacement or makes according to prior art of affiliated technical field those of ordinary skill, as long as do not exceed thinking and the scope of technical solutions of the utility model, within all should being included in the desired interest field of the utility model.
Claims (3)
1. the air-tightness detection device of a passenger car airbag base, it is characterized in that: comprise guidepost (12), the two ends up and down of guidepost (12) arrange respectively base plate (1) and top board (9), the middle part of guidepost (12) arranges upper slide unit (8) and the lower slide unit (4) that can move up and down along guidepost (12), upper slide unit (8) bottom surface arranges upper seal support (6), the end face of lower slide unit (4) arranges bottom sealing socket (5), air-bag base to be detected (7) is arranged between upper seal support (6) and bottom sealing socket (5), bottom sealing socket (5) forms detection annular seal space (13) with air-bag base (7) bottom to be detected, detect annular seal space (13) and be communicated with air pressure detecting instrument by interface tube (14), on upper seal support (6), be provided with the pressure-air interface (15) of communicated air bags base (7) top inner chamber, the upper propulsion system that drive upper slide unit (8) to move up and down are set on top board (9), on base plate (1), arrange and drive the lower mobile lower propulsion system of lower slide unit (on 4).
2. the air-tightness detection device of passenger car airbag base according to claim 1, it is characterized in that: described upper propulsion system comprise motor (11), leading screw (10), driving gear (16), follower gear (17), silk braid (18) and axle sleeve (19), motor (11) is fixed on top board (9), driving gear (16) is set on the output shaft of motor (11), driving gear (16) is intermeshing with follower gear (17), follower gear (17) is arranged on axle sleeve (19), axle sleeve (19) is connected by bearing with top board (9), in axle sleeve (19), be coated with silk braid (18), leading screw (10) is installed in silk braid (18), and be threaded with silk braid (18), leading screw (10) lower end is connected with lower slide unit (4) end face.
3. the air-tightness detection device of passenger car airbag base according to claim 1, it is characterized in that: described lower propulsion system comprise cylinder (2), on carve piece (20) and under carve piece (3), on carve piece (20) and be fixed on lower slide unit (4) bottom surface, on carve piece (20) with under carve piece (3) and cooperatively interact, under carve piece (3) and be connected with the expansion link of cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420160604.8U CN203858078U (en) | 2014-04-04 | 2014-04-04 | Air tightness detection device for airbag base of passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420160604.8U CN203858078U (en) | 2014-04-04 | 2014-04-04 | Air tightness detection device for airbag base of passenger car |
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| CN203858078U true CN203858078U (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420160604.8U Expired - Fee Related CN203858078U (en) | 2014-04-04 | 2014-04-04 | Air tightness detection device for airbag base of passenger car |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067204A (en) * | 2015-08-04 | 2015-11-18 | 丹阳市车船装饰件有限公司 | Device for detecting sealing performance of airbag tank |
| CN105397456A (en) * | 2015-11-30 | 2016-03-16 | 方盛车桥（柳州）有限公司 | Assembly device of air suspension airbag assembly |
| CN105458660A (en) * | 2015-12-25 | 2016-04-06 | 苏州博众精工科技有限公司 | Pressing mechanism |
| CN105510160A (en) * | 2015-12-27 | 2016-04-20 | 河南大林橡胶通信器材有限公司 | Novel finished clutch rubber airbag flex cracking test bed |
| CN105508605A (en) * | 2015-12-25 | 2016-04-20 | 苏州博众精工科技有限公司 | Pushing-tight mechanism |
| CN106002013A (en) * | 2016-07-06 | 2016-10-12 | 山西桐封技工学校 | Welding seam testing device |
| CN109580130A (en) * | 2018-12-24 | 2019-04-05 | 昆山众联鑫精密机械有限公司 | A kind of air bag air tightness detection machine |
| CN114088011A (en) * | 2021-11-22 | 2022-02-25 | 株洲时代新材料科技股份有限公司 | Air spring detection method and equipment |
| CN117848604A (en) * | 2024-03-06 | 2024-04-09 | 北京驰创达空气悬架有限公司 | Air suspension gasbag gas tightness survey device |
| CN117848604B (en) * | 2024-03-06 | 2024-06-04 | 北京驰创达空气悬架有限公司 | Air suspension gasbag gas tightness survey device |
-
2014
- 2014-04-04 CN CN201420160604.8U patent/CN203858078U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067204A (en) * | 2015-08-04 | 2015-11-18 | 丹阳市车船装饰件有限公司 | Device for detecting sealing performance of airbag tank |
| CN105397456A (en) * | 2015-11-30 | 2016-03-16 | 方盛车桥（柳州）有限公司 | Assembly device of air suspension airbag assembly |
| CN105458660A (en) * | 2015-12-25 | 2016-04-06 | 苏州博众精工科技有限公司 | Pressing mechanism |
| CN105508605A (en) * | 2015-12-25 | 2016-04-20 | 苏州博众精工科技有限公司 | Pushing-tight mechanism |
| CN105510160A (en) * | 2015-12-27 | 2016-04-20 | 河南大林橡胶通信器材有限公司 | Novel finished clutch rubber airbag flex cracking test bed |
| CN106002013A (en) * | 2016-07-06 | 2016-10-12 | 山西桐封技工学校 | Welding seam testing device |
| CN109580130A (en) * | 2018-12-24 | 2019-04-05 | 昆山众联鑫精密机械有限公司 | A kind of air bag air tightness detection machine |
| CN114088011A (en) * | 2021-11-22 | 2022-02-25 | 株洲时代新材料科技股份有限公司 | Air spring detection method and equipment |
| CN117848604A (en) * | 2024-03-06 | 2024-04-09 | 北京驰创达空气悬架有限公司 | Air suspension gasbag gas tightness survey device |
| CN117848604B (en) * | 2024-03-06 | 2024-06-04 | 北京驰创达空气悬架有限公司 | Air suspension gasbag gas tightness survey device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 Termination date: 20180404 |