CN203543883U - Improved vehicle side air curtain device with front protecting function - Google Patents
Improved vehicle side air curtain device with front protecting function Download PDFInfo
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- CN203543883U CN203543883U CN201320576597.5U CN201320576597U CN203543883U CN 203543883 U CN203543883 U CN 203543883U CN 201320576597 U CN201320576597 U CN 201320576597U CN 203543883 U CN203543883 U CN 203543883U
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Abstract
The utility model relates to the technical field of automobile air bags, in particular to an improved vehicle side air curtain device with a front protecting function. The improved vehicle side air curtain device comprises a side air bag, and is characterized in that a side surface of the side air bag is connected with an end surface of a secondary air bag which is transversely arranged in the left-right direction after being unfolded; and an inflating opening is formed in the secondary air bag except for the end surface of the secondary air bag, or the end surface of the secondary air bag is communicated with the side air bag to form an air delivery hole, or the end surface of the secondary air bag is integrally connected with the side air bag, a flow distributing hole membrane is arranged on the end surface of the secondary air bag, the outer contour of the flow distributing hole membrane is surrounded in the outer contour of the end surface of the secondary air bag, and the secondary air bag is positioned in front of a sitting area of a passenger who sits on a seat. Compared with the prior art, the improved vehicle side air curtain device with the front protecting function has the advantage that when vehicles collide with each other, the necks and the heads of passengers are protected in a side collision traffic accident, and the heads and the necks of the passengers in the fronts and at the rears of the vehicles can also be protected in a front collision traffic accident.
Description
Technical field
The utility model relates to automotive airbag technical field, specifically a kind of improved vehicle side air curtain device with front protecting function.
Background technology
Current existing self-propelled vehicle passive safety system parts; mainly to protect for front-row occupant; except safety strap; being included in front row arranges air bag, side air bag is set in side; these air bags, side air bag generally all adopt main control unit to control that gas generator point is quick-fried to be inflated afterwards to air bag and/or side air bag; and obtained obvious effect, saved thousands of life.But for rear row occupant's protection, current most self-propelled vehiclees adopt safety strap.Although safety strap can retrain occupant's trunk, cannot protect rear row occupant head, neck.Rear row occupant's head, neck are often because excessive stretching damages.
The crash tests result of announcing according to 2012 editions CNCAP, 2012 editions newly-increased after row's occupant injury appraisement systems: in 18 sections of testing vehicles altogether, only have 2 sections of cars in the Collision test of the positive 100% rigidity obstacle of 50 km/h and the positive 40% overlapping deformable obstacle of 64 km/h, rear row occupant head, neck obtain full marks.Even some CNCAP 5 star car, rear row occupant's head and neck must be divided into 0 minute.
The 25% rigidity obstacle offset collision experimental test results in 2012 of announcing according to the IIHS of IIHS, most of vehicle out of reach in the assessment of occupant restraint degree is outstanding, and it is former because head skids off front-seat driver air-bag.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a horizontal attached air bag is set on side air bag occupant's head, neck are effectively protected.
For achieving the above object, design a kind of improved vehicle side air curtain device with front protecting function, comprise side air bag, it is characterized in that: after a side of side air bag connects expansion, be left and right to an end face of the attached air bag of lateral arrangement; On attached air bag outside an end face of attached air bag, being provided with the end face and the side air bag junction that between an end face of inflation inlet or attached air bag and side air bag, are formed through transfer port or attached air bag is integral type, and an end face of attached air bag is provided with a shunting pore membrane, the outline of described shunting pore membrane is enclosed within the outline of an end face of attached air bag, and described attached air bag is positioned at the place ahead, passenger riding region of seat.
The through hole of be provided with >=0 hollow of described attached air bag.
After described attached airbag aeration launches, its outline is totally the cylinder of lateral arrangement.
After described attached airbag aeration launches, its outline is totally the triangle body structure of sandwich-like.
After described attached airbag aeration launches, the horizontal section of its outline is totally wedge shape.
The horizontal section of inflating expanded rear outline is totally before and after the expansion direction of attached air bag of wedge shape and vehicle body to the angle that is 45 °～90 °.
The free end of described attached air bag connects one end of a drawstring, and the other end of drawstring is fixed on vehicle body ceiling.
On side air bag, connect at least one attached air bag.
On described shunting pore membrane, be sewed with some the sutures of tearing use that are parallel to each other, and the outline of some sutures formation geometric configuration, the shunting pore membrane that is provided with suture is stacked or Wrinkled.
The utility model compared with the existing technology, when collision happens, guarantees in side collision traffic accident, occupant's head, neck to be protected, and can also in head-on crash traffic accident, the head and neck to forward and backward occupant provide protection; Can between side air bag and attached air bag, be provided with shunting pore membrane simultaneously, guarantee after the internal pressure of side air bag reaches certain value, shunting pore membrane just can be opened, realize self adaptation adjustment and open threshold values, control the moment of attached airbag aeration and the speed of inflation, adjust the rigidity of attached air bag, can more effectively absorb occupant's collision impact energy, further reduce the injury to occupant.
Accompanying drawing explanation
Fig. 1 is the work schematic diagram after the inflation of original side gas curtain.
Fig. 2 is provided with the attached air bag of shunting pore membrane and the work schematic diagram after side airbag aeration in the utility model embodiment.
Fig. 3 is that the utility model embodiment peripheral is provided with the attached air bag of inflation inlet and the work schematic diagram after side airbag aeration.
Fig. 4 is provided with the attached air bag of transfer port and the work schematic diagram after side airbag aeration in the utility model embodiment.
Fig. 5 is that in the utility model embodiment, side air bag arranges two work schematic diagrams after attached air bag.
Fig. 6 is the schematic side view of attached air bag when work that adopts drawstring in the utility model embodiment.
Fig. 7 is the schematic top plan view of attached air bag when work that adopts drawstring in the utility model embodiment.
Fig. 8 adopts the schematic side view of attached air bag when work be sandwich-like in the utility model embodiment.
Fig. 9 adopts the schematic top plan view of attached air bag when work be sandwich-like in the utility model embodiment.
Figure 10 adopts the schematic side view of attached air bag when work be wedge shape in the utility model embodiment.
Figure 11 adopts the schematic top plan view of attached air bag when work be wedge shape in the utility model embodiment.
Figure 12 is for adopting respectively in the utility model embodiment 1 after side air curtain device and former side air curtain device, the tracing analysis figure of head-on crash back occupant head acceleration.
Figure 13 is for adopting respectively in the utility model embodiment 1 after side air curtain device and former side air curtain device, the tracing analysis figure of head-on crash back occupant neck shearing force.
Figure 14 is for adopting respectively in the utility model embodiment 1 after side air curtain device and former side air curtain device, the tracing analysis figure of head-on crash back occupant neck tensile force.
Figure 15 is for adopting respectively in the utility model embodiment 1 after side air curtain device and former side air curtain device, the tracing analysis figure of neck moment of flexure after head-on crash.
The specific embodiment
Now the utility model is further described by reference to the accompanying drawings.
This utility model provides a kind of improved vehicle side air curtain device with front protecting function; in this example, be called for short " vehicle side air curtain device "; its air bag part is mainly comprised of side air bag and attached air bag; this vehicle side air curtain device can be the same with original technology; be fixed between side vehicle body ceiling 7 and vehicle body ceiling interior trim, the overlay length of side air bag 1 front and back is arranged occupant from self-propelled vehicle first row occupant to last.The gas generation apparatus that offside air bag 1 and attached air bag 2 are inflated is fixed between the ceiling interior trim of vehicle body ceiling 7 and vehicle body.According to the requirement of side air bag 2 internal pressures, one or more gas generator can be set.The main control unit of vehicle side air curtain device can be arranged on vehicle body centre gangway and locate near front-seat passenger.Main control unit also comprises several sensors that are arranged in vehicle body periphery, is used for detecting side or head-on crash, guarantees and the quick-fried side air bag of time point and attached air bag.
The utility model is mainly the side at side air bag 1, also after connecting expansion, user's face of side air bag 1 is left and right to an end face of the attached air bag 2 of lateral arrangement, the attached air bag 2 connecting on side air bag 1 is provided with at least one, and the number of occupants that wherein quantity of attached air bag 2 or lateral length are arranged by self-propelled vehicle determines.
Be positioned on the attached air bag 2 outside an end face of attached air bag 2 and can be provided with inflation inlet 31, referring to Fig. 3, when bumping, main control unit can only be controlled and inflate to side air bag 1 according to the size of impact force like this, or to side air bag 1, attached air bag 2, inflates respectively from two gas circuits simultaneously.Or be formed through transfer port 32 between an end face of attached air bag 2 and side air bag 1, referring to Fig. 4, can be to attached air bag 2 when bumping, side air bag 1 is inflated simultaneously, or an end face of attached air bag 2 and side air bag 1 junction are integral type, and an end face of attached air bag 2 is provided with a shunting pore membrane 3, the outline of described shunting pore membrane 3 is enclosed within the outline of an end face of attached air bag 2, referring to Fig. 2, on described shunting pore membrane 3, be sewed with some the sutures of tearing use that are parallel to each other, and the outline of some sutures forms geometric configuration, the shunting pore membrane 3 that is provided with suture is stacked or Wrinkled.The main control unit of vehicle side air curtain device can be controlled gas generator to the speed of side airbag aeration and the tolerance being filled with according to the size of impact force like this, guaranteeing not break through shunting pore membrane 3 does not work attached air bag 2, or break through shunting pore membrane 3, make side air bag 1 and shunting pore membrane 3 successively inflation.
The through hole 5 of be provided with >=0 hollow of described attached air bag 2, when establishing a through hole 5, attached air bag 2 just forms a round.The cross-sectional plane of described through hole 5 can adopt the geometric configuratioies such as triangle or circle, and through hole 5 can from top to bottom longitudinally arrange, and also can be horizontally disposed with from left to right, referring to Fig. 8 and Fig. 9.
Described attached air bag 2 is positioned at the place ahead, passenger riding region of seat 6.
After described attached air bag 2 is inflating expanded, its outline is totally the cylinder of lateral arrangement, or its outline is totally the triangle body structure of sandwich-like after described attached air bag 2 is inflating expanded, or the horizontal section of inflating expanded rear its outline of described attached air bag 2 is totally wedge shape.
The horizontal section of inflating expanded rear outline is totally before and after the expansion direction of attached air bag 2 of wedge shape and vehicle body to being 45 °～90 ° angles, generally can adopt 45 ° or 60 °.The free end of described attached air bag 2 also can connect one end of a drawstring 4, and the other end of drawstring 4 is fixed on vehicle body ceiling 7.
Referring to Fig. 2, in this example, an end face of attached air bag 2 and side air bag 1 junction are integral type, also share one deck cloth, on one end face of attached air bag 2, establish a shunting pore membrane 3, when collision happens, first vehicle body sensor around can flow to impact force the main control unit of vehicle side air curtain device, by main control unit, according to the size of impact force, control gas generator to speed and the time of inflating in side air bag, if impact force is less than the impact force value that the attached air bag 2 of setting is opened, main control unit can be controlled gas generator and be filled with a certain amount of gas to side air bag 1 so, side air bag 1 can be along vehicle body side interior trim drops down, but the pressure of the gas being filled with can't reach the degree of breaking through shunting pore membrane 3.If impact force arrives the impact force value that the attached air bag 2 of setting is opened, main control unit can be controlled gas generator and to side air bag 1, be filled with the gas of q.s so, until the suture tears that makes to shunt on pore membrane is opened, then be filled with in attached air bag 2, make attached air bag 2 along horizontal spreading, in this example, attached air bag 2 expansion directions and side air bag 1 expansion direction are approximately in 90 °.
This shunting fenestra 3 is equivalent to form a self adaptation deflation hole, when reaching the force value of unlatching, just can be broken through, main control unit can be controlled according to the size of impact force time point, the length of inflationtime and the speed of inflation of attached air bag 2 inflations, thereby reach the object of adjusting attached air bag 2 rigidity, can more effectively absorb occupant's collision impact energy, further reduce the injury to occupant.
Referring to Figure 12～Figure 15, to adopt after the air bag mainly being formed by side air bag and attached air bag in this example, when vehicle generation head-on crash, emulation signal to occupant's head, cervical injuries, wherein solid black lines be coventional type side gas curtain when head-on crash in head, neck emulation injury curve, black dotted lines is the utility model head, neck emulation injury curve when head-on crash.From the beginning, in the contrast of the simulation analysis of cervical injuries, can find out and adopt the utility model device impulsive force in damp impacts traffic accident effectively, the head and neck for front and rear row occupant provides effective protection.
Referring to Fig. 5, can set according to the quantity of the seat 6 of vehicle the quantity of the attached air bag 2 that side air bag 1 connects, in this example, in a side of side air bag 1, former and later two attached air bags 2 have been established, after two attached air bags 2 are inflating expanded, lay respectively at forward and backward row occupant's head front side, the cylinder that is lateral arrangement after two attached air bags 2 are inflating expanded, the cross-sectional plane ovalize of this cylinder.When there is head-on crash traffic accident, after 1 inflation of side air bag is in place, former and later two attached air bags 2 also start inflation; its expanded position is positioned at the place ahead of occupant's head; protection occupant head and neck, considers young passenger, so also proper extension of the longitudinal length of attached air bag 2.Former and later two attached air bags 2 are not only protected occupant in head-on crash accident, still can protect to occupant for example IIHS 25% rigidity obstacle offset collision test in angled offset collision accident.
Embodiment 3
Referring to Fig. 6 and Fig. 7, this example has been done further improvement on the basis of embodiment 2,, in order to provide enough bearing force to avoid attached air bag 2 away from occupant, on former and later two attached air bags 2, set up respectively a drawstring 4, drawstring 4 one end are fastened on the free end of attached air bag 2, and the other end of drawstring 4 is fixed between the vehicle body ceiling 7 and ceiling interior trim of corresponding occupant's head rear side.By the length adjustment of drawstring 4, optimize the constrained force of attached air bag 2, reduce occupant's head acceleration/accel, avoid head to contact with seat 6 and/or instrument carrier panel, reduce neck injury.
Embodiment 4
Referring to Fig. 8 and Fig. 9, in this example, attached air bag 2 is totally the triangle body structure of sandwich-like at inflating expanded rear its outline, in the centre of this attached air bag 2, be longitudinally provided with leg-of-mutton through hole 5 simultaneously, certainly also can be set as circular hole, make to be hollow form in the middle of attached air bag 2, when providing enough constrained forces for occupant's head, can also play certain buffer action like this, thereby avoid excessive constrained force to cause secondary injury to head and neck.
Embodiment 5
Referring to Figure 10 and Figure 11, in this example, be also provided with former and later two attached air bags 2, after this attached air bag 2 is inflating expanded, the horizontal section of its outline is totally wedge shape, and the expansion direction of attached air bag 2 and vehicle body front and back are to approximately at 45 °～90 ° angle, general employing 45 ° or 60 ° of angles, make the free end of this attached air bag 2 be partial to occupant side.The expansion shape of this attached air bag 2 can increase vehicle body to the constrained force to occupant in direction, reduces occupant's head motion forward, reduces cervical injuries.
Claims (9)
1. an improved vehicle side air curtain device with front protecting function, comprises side air bag, it is characterized in that: after a side of side air bag (1) connects expansion, be left and right to an end face of the attached air bag (2) of lateral arrangement; Being positioned at attached air bag (2) outside an end face of attached air bag (2), to be provided with the end face and side air bag (1) junction that between an end face of inflation inlet (31) or attached air bag (2) and side air bag (1), are formed through transfer port (32) or attached air bag (2) be integral type, and an end face of attached air bag (2) is provided with a shunting pore membrane (3), the outline of described shunting pore membrane (3) is enclosed within the outline of an end face of attached air bag (2), and described attached air bag (2) is positioned at the place ahead, passenger riding region of seat (6).
2. a kind of improved vehicle side air curtain device with front protecting function as claimed in claim 1, is characterized in that: the through hole (5) of described be provided with >=0 hollow of attached air bag (2).
3. a kind of improved vehicle side air curtain device with front protecting function as claimed in claim 1 or 2, is characterized in that: after described attached air bag (2) is inflating expanded, its outline is totally the cylinder of lateral arrangement.
4. a kind of improved vehicle side air curtain device with front protecting function as described in claim 1 or 2 any one, is characterized in that: after described attached air bag (2) is inflating expanded, its outline is totally the triangle body structure of sandwich-like.
5. a kind of improved vehicle side air curtain device with front protecting function as described in claim 1 or 2 any one, is characterized in that: after described attached air bag (2) is inflating expanded, the horizontal section of its outline is totally wedge shape.
6. a kind of improved vehicle side air curtain device with front protecting function as claimed in claim 5, is characterized in that: the horizontal section of inflating expanded rear outline is totally before and after the expansion direction of attached air bag of wedge shape and vehicle body to the angle that is 45 °～90 °.
7. a kind of improved vehicle side air curtain device with front protecting function as described in claim 1 or 2 any one; it is characterized in that: the free end of described attached air bag (2) connects one end of a drawstring (4), and the other end of drawstring (4) is fixed on vehicle body ceiling (7).
8. a kind of improved vehicle side air curtain device with front protecting function as described in claim 1 any one, is characterized in that: on side air bag, connect at least one attached air bag (2).
9. a kind of improved vehicle side air curtain device with front protecting function as claimed in claim 1; it is characterized in that: on described shunting pore membrane (3), be sewed with some the sutures of tearing use that are parallel to each other; and the outline of some sutures forms geometric configuration, and the shunting pore membrane (3) that is provided with suture is stacked or Wrinkled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320576597.5U CN203543883U (en) | 2013-09-17 | 2013-09-17 | Improved vehicle side air curtain device with front protecting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320576597.5U CN203543883U (en) | 2013-09-17 | 2013-09-17 | Improved vehicle side air curtain device with front protecting function |
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| Publication Number | Publication Date |
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| CN203543883U true CN203543883U (en) | 2014-04-16 |
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| CN201320576597.5U Expired - Fee Related CN203543883U (en) | 2013-09-17 | 2013-09-17 | Improved vehicle side air curtain device with front protecting function |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015039444A1 (en) * | 2013-09-17 | 2015-03-26 | 延锋百利得（上海）汽车安全***有限公司 | Vehicle side airbag device having front protection function |
| KR20160045488A (en) * | 2014-10-17 | 2016-04-27 | 현대모비스 주식회사 | Curtain Airbag Apparatus Of Vehicle |
| KR20160045489A (en) * | 2014-10-17 | 2016-04-27 | 현대모비스 주식회사 | Curtain Airbag Of Vehicle |
| CN106064598A (en) * | 2015-04-21 | 2016-11-02 | 福特全球技术公司 | Curtain air bag |
| WO2017202280A1 (en) * | 2016-05-25 | 2017-11-30 | 延锋百利得（上海）汽车安全***有限公司 | Safety airbag |
| US9994184B2 (en) | 2015-03-31 | 2018-06-12 | Ford Global Technologies, Llc | Vehicle side airbag with secondary chamber |
| US10144385B2 (en) | 2016-12-19 | 2018-12-04 | Ford Global Technologies, Llc | Side curtain including a strip connected to an inboard panel |
-
2013
- 2013-09-17 CN CN201320576597.5U patent/CN203543883U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015039444A1 (en) * | 2013-09-17 | 2015-03-26 | 延锋百利得（上海）汽车安全***有限公司 | Vehicle side airbag device having front protection function |
| US9809189B2 (en) | 2013-09-17 | 2017-11-07 | Yanfeng Kss (Shanghai) Automotive Safety Systems Co., Ltd. | Vehicle side curtain airbag device having front protection function |
| KR20160045488A (en) * | 2014-10-17 | 2016-04-27 | 현대모비스 주식회사 | Curtain Airbag Apparatus Of Vehicle |
| KR20160045489A (en) * | 2014-10-17 | 2016-04-27 | 현대모비스 주식회사 | Curtain Airbag Of Vehicle |
| KR102239009B1 (en) | 2014-10-17 | 2021-04-13 | 현대모비스 주식회사 | Curtain Airbag Of Vehicle |
| KR102310283B1 (en) | 2014-10-17 | 2021-10-07 | 현대모비스 주식회사 | Curtain Airbag Apparatus Of Vehicle |
| US9994184B2 (en) | 2015-03-31 | 2018-06-12 | Ford Global Technologies, Llc | Vehicle side airbag with secondary chamber |
| CN106064598A (en) * | 2015-04-21 | 2016-11-02 | 福特全球技术公司 | Curtain air bag |
| WO2017202280A1 (en) * | 2016-05-25 | 2017-11-30 | 延锋百利得（上海）汽车安全***有限公司 | Safety airbag |
| US10974683B2 (en) | 2016-05-25 | 2021-04-13 | Yanfeng Automotive Safety Systems Co., Ltd. | Safety airbag |
| US10144385B2 (en) | 2016-12-19 | 2018-12-04 | Ford Global Technologies, Llc | Side curtain including a strip connected to an inboard panel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191218 Address after: 200120 Building 8, No. 88, Shengrong Road, Pudong New Area, Shanghai Co-patentee after: YANFENG AUTOMOBILE INTELLIGENT SAFETY SYSTEM Co.,Ltd. Patentee after: Shanghai Lingang Junsheng automobile safety system Co.,Ltd. Address before: 201315 No. 426 Pu Pu Road, Cambridge Industrial Zone, Shanghai, Pudong New Area Patentee before: YANFENG KSS (SHANGHAI) AUTOMOTIVE SAFETY SYSTEMS Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 |
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| CF01 | Termination of patent right due to non-payment of annual fee |