CN107199983A - A kind of front passenger air bag on ceiling - Google Patents
A kind of front passenger air bag on ceiling Download PDFInfo
- Publication number
- CN107199983A CN107199983A CN201710334519.7A CN201710334519A CN107199983A CN 107199983 A CN107199983 A CN 107199983A CN 201710334519 A CN201710334519 A CN 201710334519A CN 107199983 A CN107199983 A CN 107199983A
- Authority
- CN
- China
- Prior art keywords
- main body
- airbag
- airbag main
- air guide
- guide channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/213—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle roof frames or pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R2021/23192—Roof bags, i.e. protecting the occupant in a roll-over situation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
The present invention relates to passive safety feature technical field, specifically a kind of front passenger air bag on ceiling, including gas generator, infundibulate airbag and housing, bucket shape airbag includes air guide channel, tear rotating mechanism, airbag main body and interior drawstring, air guide channel UNICOM gas generator and airbag main body, the two ends of interior drawstring are separately positioned on the inner side of air guide channel and the interior side-lower of airbag main body, provided with tear rotating mechanism between the outside of air guide channel and airbag main body.The present invention compared with the existing technology, devises the front passenger air bag on ceiling, when head-on crash occurs, the setting of tearable structure and interior drawstring, it is ensured that when airbag deploys, airbag main body can rapidly in place.Also, the elongate slot formed, gives the space that occupant moves downward forward in an impact, and realization is effectively protected to human body, it is to avoid neck stretching injury.
Description
Technical field
The present invention relates to passive safety feature technical field, specifically a kind of positive occupant's gas on ceiling
Capsule.
Background technology
In car collision, air bag provides effective Anti-bumping protection for occupant.In vehicle frontal collision, pass
The positive restraint system of system includes trunk, head and the neck of occupant in safety belt and air bag, common protection head-on crash.Just
When face collision occurs, occupant is travelled forward, and the hip of occupant and upper trunk can be obtained effectively by seat and lap belt
Constraint, while safety belt force-limiting device and air bag collective effect, it is allowed to occupant's trunk lumbar vertebrae effect under revolved forward around hip
Turn, and then reduce trunk, head and cervical injuries.Air bag supports head and the neck of occupant first, so as to mitigate trunk, head
With the injury of neck.
Referring to Fig. 1, the design feature of traditional copilot passenger air bag is that air bag faces occupant's expansion, and with instrument board
Reaction force is support, air bag deformation is provided substantial amounts of space for occupant's rotary motion, so as to realize to occupant's
Protection.
As people are to interior space demand, the increase of interior design diversity requirement, more and more requirements are by occupant side
Air bag is moved on to elsewhere from instrument board, so as to save instrument panel space, improves inside gadget aesthetic feeling of the design.Referring to Fig. 2, typical case
Ceiling passenger airbag device be fixed between ceiling and vehicle body back timber, in the patent of Publication No. 1191952 disclose
A kind of air bag, the airbag apparatus in ceiling, collide occur when, air bag inflation in front of the occupant forms " curtain ", when multiplying
When member travels forward, air bag forces the head of occupant backward.The problem of this airbag apparatus is that " curtain " limits occupant and travelled forward
So as to cause occupant's head back rotation, this defect causes ceiling mounted passenger air bag to cause higher head acceleration to injure
Stretch and injure with neck.So this design is not to alleviate occupant injury, but increase may be caused to come to harm.
Accordingly, it would be desirable to design one kind when head-on crash occurs, the larger space of occupant can be given and foot is provided
The front passenger air bag being arranged on ceiling enough protected.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art, when head-on crash occurs, can be given there is provided one kind
The larger space of occupant and the front passenger air bag being arranged on ceiling that enough protections are provided.
In order to achieve the above object, the present invention is a kind of front passenger air bag on the ceiling, including gas occurs
Device, infundibulate airbag and housing, gas generator and infundibulate airbag are assemblied in housing, and it is horizontal with roof that housing is assemblied in ceiling
Between beam, it is characterised in that：Infundibulate airbag includes air guide channel, tear rotating mechanism, airbag main body and interior drawstring, and air guide is led to
Road UNICOM gas generator and airbag main body, the two ends of interior drawstring are separately positioned on inner side and the airbag main body of air guide channel
Interior side-lower, provided with tear rotating mechanism between the outside of air guide channel and airbag main body.
Described tear rotating mechanism includes tearable structure, elongate slot and the point of rotation, the outside of air guide channel and airbag
Connected between main body using tearing configuration and form elongate slot, elongate slot is provided with the point of rotation close to the end of infundibulate airbag,
During car collision, tearable structure secures the initial position of airbag main body, can after occupant's head oppresses airbag main body
Tearing configuration is broken, and airbag main body is moved along elongate slot along point of rotation forward downward.
Described tearable structure is outer drawstring, outer drawstring include upper piece, bottom sheet and cut mouth, upper piece consolidate with air guide channel
Fixed, bottom sheet is fixed with airbag main body, upper piece, bottom sheet be made up of single piece type fabric, upper piece be provided with the junction of bottom sheet and cut mouth.
Described tearable structure is suture, is sewed between the outside of air guide channel and airbag main body using suture.
Sunshading board is fixed on described housing or body support through ceiling.
The present invention compared with the existing technology, devises the front passenger air bag on ceiling, occurs in head-on crash
When, the setting of tearable structure and interior drawstring, it is ensured that when airbag deploys, airbag main body can rapidly in place.Also, formed
Elongate slot, gives the space that occupant moves downward forward in an impact.Occupant's head is touched after airbag main body, tearable structure
Fracture, airbag main body is moved along elongate slot along point of rotation forward downward, and the upper trunk of airbag body supports occupant absorbs occupant
Impact energy, is effectively protected so as to realize to human body, it is to avoid neck stretching injury.
Brief description of the drawings
Fig. 1 is traditional passenger air bag operating diagram.
Fig. 2 is typical ceiling mounted air bag operating diagram.
Fig. 3 is the schematic diagram of the embodiment of the present invention one.
Fig. 4 is the operating diagram one of the embodiment of the present invention one.
Fig. 5 is the operating diagram two of the embodiment of the present invention one.
Fig. 6 is the operating diagram three of the embodiment of the present invention one.
Fig. 7 is the operating diagram four of the embodiment of the present invention one.
Fig. 8 is the air guide channel design diagram of the embodiment of the present invention one.
Fig. 9 is the outer pulling belt structure schematic diagram of the embodiment of the present invention one.
Figure 10 is broken schematic diagram for the outer drawstring work of the embodiment of the present invention one.
Figure 11 is the suture construction schematic diagram of the embodiment of the present invention two.
Figure 12 is broken schematic diagram for the suture work of the embodiment of the present invention two.
Embodiment
The present invention is described further in conjunction with accompanying drawing.
Embodiment one
Referring to Fig. 3, the present invention is a kind of front passenger air bag on the ceiling, including gas generator 1, infundibulate airbag
2 and housing 3, gas generator 1 and infundibulate airbag 2 are assemblied in housing 3, housing 3 be assemblied in ceiling 21 and roof cross beam it
Between, sunshading board is fixed on described housing 3 or body support through ceiling 21.Infundibulate airbag 2 includes air guide channel 4, torn
Split rotating mechanism, airbag main body 7 and interior drawstring 6, the UNICOM's gas generator 1 of air guide channel 4 and airbag main body 7.The two of interior drawstring 6
End is separately positioned on the inner side of air guide channel 4 and the interior side-lower of airbag main body 7, outside and the airbag main body 7 of air guide channel 4
Between provided with tear rotating mechanism.
Referring to Fig. 8, air guide channel 4 links together with gas generator 1, and the gas outlet of gas generator 1 is logical positioned at air guide
In road 4, and it is assemblied in jointly in housing 3.Air guide channel 4 is formed by the fabric sewing of some strength and heat insulating function, width
For 250mm, specific size is widened or reduced according to air velocity requirement.Because the size of air guide channel 4 is elongated, during expansion not
It can excessively expand, also reduce the impact to the surrounding environment part such as sunshading board, ceiling.Air bag deploys from ceiling along front windshield
And positioned between copilot occupant and windshield.The gas that gas generator 1 is produced is delivered gas to by air guide channel 4
In airbag main body 7, airbag main body 7 is set to expand in face of occupant, and be full of from the bottom up.Air guide channel 5 itself is not to occupant
Produce constraint or absorb energy, be provided solely for the function of gas flow guiding, the gas transport that gas generator 1 is produced to airbag master
In body 7, so as to realize that airbag is protected to greatest extent to occupant 9.
Air bag is in gas replenishment process, and due to the impact of gas, airbag main body 7 understands downward extended movement rapidly, in order to limit
The trend extended downwards during airbag deployment, devises interior drawstring 6.Interior drawstring 6 is cut by the fabric of some strength to be formed,
Width is 50 ~ 200mm, and length is 300 ~ 500mm, and specific size is adjusted according to interior space and occupant's design attitude.By
The polyhedron air bag that gas generator 1 is full of is filled with the space between copilot and windscreen, and interior drawstring 6 keeps infundibulate airbag
2 stability, it is to avoid influence of other body structural members to its stability in addition to windscreen.The process being full of in infundibulate airbag 2
In, interior drawstring 6 limits the amplitude moved downward during airbag deployment, it is to avoid downward excessive extension.In airbag expansion
When, interior drawstring 6 coordinates tear rotating mechanism to realize the air guide that airbag prepares rapidly jointly, it is ensured that airbag main body 7 is rapid in place
In occupant's head, and gas is quickly filled with air bag from bottom to top, it is ensured that certain rigidity after airbag aeration, make infundibulate gas
Bag 2 is contacted with instrument board 10 and reaction force is minimized.The drawing effect of interior drawstring 6 ensures that airbag does not have in collision process
Motion in lateral and vertical direction, it is not necessary to the extra support from instrument board 10, can realize self-sustained.In addition, interior
Drawstring 6 limits the volume for controlling air bag.
Referring to Fig. 4-7, tear rotating mechanism includes tearing configuration, elongate slot 8 and point of rotation p, the outside of air guide channel 4 with
Connected between airbag main body 7 using tearable structure and form elongate slot 8, elongate slot 8 is provided with close to the end of infundibulate airbag 2
The point of rotation, in car collision, tearable structure secures the initial position of airbag main body 7, reduces expansion and collided
Unsteady motion in journey, makes airbag accurately and timely in place in collision early stage, so that occupant's head realizes have with airbag main body 7
The correct contact of effect.Also ensure the stability of the air bag in collision process simultaneously.The elongate slot 8 formed, gives occupant and is touching
The space moved downward forward in hitting.It is tearable after occupant's head oppresses airbag main body 7 with the intensification of passengers motion degree
Structural break is split, airbag main body 7 is moved along elongate slot 8 along point of rotation p forward downwards, point of rotation p allows occupant 9 with gas
Bag main body 7 travels forward together, but also ensure that airbag main body 7 by being maintained to be assemblied in ceiling after external force simultaneously
On.The upper trunk of the occupant of the support of airbag main body 7 simultaneously absorbs occupant's impact energy, and occupant's chest and neck are given based on airbag main body 7
The support of portion necessarily, occupant can be with the slide downward forward of elongate slot 8, so as to avoid higher chest acceleration and neck
Moment of flexure is injured, and realization is effectively protected to human body, be it also avoid the stretching of the neck caused by ceiling " curtain " formula air bag and was injured
Big problem.
Referring to Fig. 9-10, in this example, tearable structure is outer drawstring 5, outer drawstring 5 include upper piece 52, bottom sheet 53 and cut
Mouthfuls 51, upper piece 52 be fixed on points outside a with air guide channel 4, bottom sheet 53 is fixed on point b with airbag main body 7, to ensure that airbag deploys
When airbag main body 7 it is rapid in place.Upper piece 52 be made up of with bottom sheet 53 a piece of fabric with some strength, upper piece 52 with bottom sheet 53
Junction cut mouth 51 provided with certain length and quantity, cut the quantity and length of mouth 51 according to the speed and energy of collision
It is adjusted.
Embodiment two
Referring to Figure 11-12, in this example, tearable structure is suture 54, and suture 54 has some strength, and intensity can be according to experiment
As a result it is adjusted.Sewed between the outside of air guide channel 4 and airbag main body 7 using suture 54, suture 54 is by airbag upper end
The airbag main body 7 of air guide channel 4 and lower end links together, put it is quick-fried it is initial ensure that airbag is rapid in place, suture 54 is protected
The unsteady motion in expansion and collision process can be reduced by holding stretching, so that ensure in occupant's contact airbag main body 7, while
Ensure the stability of the air bag in collision process.After airbag expansion in place, suture 54 completes its function, and when occupant and airbag
Because load is acted on and is broken after contact.
Combination based on design feature of the present invention ensure that airbag can effectively absorb collision energy when colliding and occurring,
Without being supported in conventional collision as the reaction force produced by instrument board 10.
Claims (5)
1. a kind of front passenger air bag on ceiling, including gas generator（1）, infundibulate airbag（2）And housing
（3）, gas generator（1）With infundibulate airbag（2）It is assemblied in housing（3）It is interior, housing（3）It is assemblied in ceiling（21）It is horizontal with roof
Between beam, it is characterised in that：Infundibulate airbag（2）Including air guide channel（4）, tear rotating mechanism, airbag main body（7）Drawn with interior
Band（6）, air guide channel（4）UNICOM's gas generator（1）With airbag main body（7）, interior drawstring（6）Two ends be separately positioned on air guide
Passage（4）Inner side and airbag main body（7）Interior side-lower, air guide channel（4）Outside and airbag main body（7）Between be provided with
Tear rotating mechanism.
2. a kind of front passenger air bag on ceiling according to claim 1, it is characterised in that：Described tear
Rotating mechanism includes tearing configuration, elongate slot（8）And the point of rotation, air guide channel（4）Outside and airbag main body（7）Between use
Tearable structure connects and forms elongate slot（8）, elongate slot（8）Close to infundibulate airbag（2）End be provided with the point of rotation, in vapour
When car collides, tearable structure secures airbag main body（7）Initial position, when occupant's head oppress airbag main body（7）
Afterwards, tearable structural break, airbag main body（7）Along elongate slot（8）Moved along point of rotation forward downward.
3. a kind of front passenger air bag on ceiling according to claim 2, it is characterised in that：Described is tearable
Structure is split for outer drawstring（5）, outer drawstring（5）Including upper piece（52）, bottom sheet（53）With cut mouth（51）, upper piece（52）It is logical with air guide
Road（4）It is fixed, bottom sheet（53）With airbag main body（7）It is fixed, upper piece（52）, bottom sheet（53）It is made up of single piece type fabric, upper piece
（52）With bottom sheet（53）Junction provided with cutting mouth（51）.
4. a kind of front passenger air bag on ceiling according to claim 2, it is characterised in that：Described is tearable
Structure is split for suture（54）, air guide channel（4）Outside and airbag main body（7）Between use suture（54）Sewing.
5. a kind of front passenger air bag on ceiling according to claim 1, it is characterised in that：Sunshading board is passed through
Ceiling（21）It is fixed on described housing（3）Or on body support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710334519.7A CN107199983B (en) | 2017-05-12 | 2017-05-12 | Frontal passenger air bag mounted on ceiling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710334519.7A CN107199983B (en) | 2017-05-12 | 2017-05-12 | Frontal passenger air bag mounted on ceiling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107199983A true CN107199983A (en) | 2017-09-26 |
| CN107199983B CN107199983B (en) | 2023-06-27 |
Family
ID=59906551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710334519.7A Active CN107199983B (en) | 2017-05-12 | 2017-05-12 | Frontal passenger air bag mounted on ceiling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107199983B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019114658A1 (en) * | 2017-12-15 | 2019-06-20 | 蔚来汽车有限公司 | Airbag, airbag system, and automobile |
| CN109941221A (en) * | 2017-12-15 | 2019-06-28 | 蔚来汽车有限公司 | Air bag, air bag system and automobile |
| WO2021057077A1 (en) * | 2019-09-27 | 2021-04-01 | 奥托立夫开发公司 | Housing for overhead safety airbag module, and overhead safety airbag module |
| WO2024066494A1 (en) * | 2022-09-30 | 2024-04-04 | 奥托立夫开发公司 | Airbag and vehicle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019114658A1 (en) * | 2017-12-15 | 2019-06-20 | 蔚来汽车有限公司 | Airbag, airbag system, and automobile |
| CN109941221A (en) * | 2017-12-15 | 2019-06-28 | 蔚来汽车有限公司 | Air bag, air bag system and automobile |
| WO2021057077A1 (en) * | 2019-09-27 | 2021-04-01 | 奥托立夫开发公司 | Housing for overhead safety airbag module, and overhead safety airbag module |
| WO2024066494A1 (en) * | 2022-09-30 | 2024-04-04 | 奥托立夫开发公司 | Airbag and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107199983B (en) | 2023-06-27 |
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