CN106809166B - Wrap for air bag - Google Patents
Wrap for air bag Download PDFInfo
- Publication number
- CN106809166B CN106809166B CN201510850014.7A CN201510850014A CN106809166B CN 106809166 B CN106809166 B CN 106809166B CN 201510850014 A CN201510850014 A CN 201510850014A CN 106809166 B CN106809166 B CN 106809166B
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- CN
- China
- Prior art keywords
- wrap
- air bag
- wrapping portion
- shoulder portion
- flank
- 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.)
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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
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
The invention discloses a kind of wraps for air bag, comprising: main wrapping portion；Side wrapping portion, positioned at the main wrapping portion longitudinal two sides and extend longitudinally outward out along the main wrapping portion；And flank, the flank extend transversely outward out from the side of at least one of the main wrapping portion and the side wrapping portion；The line of demarcation of the main wrapping portion and the side wrapping portion defines the wrap along its first lateral fold line, the line of demarcation of the flank and its main wrapping portion and at least one of the side wrapping portion that are extended defines the second fold line of the wrap, and the wrap is configured to, when the wrap folds to form the package space for wrapping up air bag along first fold line and second fold line, the flank constitutes the connection wing between the main wrapping portion and the side wrapping portion or between the two side wrapping portions.
Description
Technical field
The present invention relates to safe automobile air bags, more particularly it relates to be used for safety in safe automobile air bag
The wrap of airbag.
Background technique
Existing air bag generally includes the cover, airbag, gas generator, pressure ring and is fixed in aforementioned elements
Airbag housing together.When vehicle such as collides at the emergencies, crash sensor starts gas generator, gas generator
It generates expanding gas to be inflated air bag, provides protection to driver and/or passenger so that air bag be unfolded.
Usual air bag can require to select different folding modes according to different properties of product, and wherein the most commonly used
The folded mode of convolution excellent performance is provided for air bag.But for rolling up for folding air bag, convolution
It is one piece of more upright block after folded, and what the design of airbag housing can not be fairly regular is designed to a square to hold
Receive folded air bag, this just needs additional designs wrap to wrap up air bag, to keep air bag to roll over
Excellent in shape after folded.
In the prior art, wrap is the cloth of one piece of square structure, after wrap wraps up air bag, in the packet that wrap is formed
It wraps up in the width direction in space, air bag may stretch out except the width range, and there are air bag to be clipped in the cover and air bag
Risk between shell.
Summary of the invention
The present invention provides the innovation structure of the wrap for air bag, which can guarantee the folded substitute of volume
Bag has good shape, reduces or avoids generating the risk that air bag is pressed from both sides during airbag deployment.
The present invention provides a kind of wraps for air bag, comprising: main wrapping portion；Side wrapping portion is located at institute
It states longitudinal two sides of main wrapping portion and extends longitudinally outward out along the main wrapping portion；And flank, the side
The wing extends transversely outward out from the side of at least one of the main wrapping portion and the side wrapping portion；The master
The line of demarcation of wrapping portion and the side wrapping portion defines the wrap along its first lateral fold line, the flank and
The line of demarcation of its main wrapping portion extended and at least one of the side wrapping portion defines the wrap
The second fold line, and the wrap is configured to, when the wrap is rolled over along first fold line and second fold line
It is folded when forming the package space for wrapping up air bag, the flank composition main wrapping portion and the side wrapping portion
Between or the two side wrapping portions between the connection wing.
Using the wrap provided by the present invention for air bag, air bag is put into the wrap and folds to be formed after folding
Package space when, the cocked bead of air bag can be accommodated in the package space by being fixedly connected with the wing, to reduce
Even avoiding air bag during airbag deployment is sandwiched in the risk between mask and airbag housing.
Preferably, the flank include from transversely-outwardly-extending first shoulder portion of the main wrapping portion and with institute
State the first shoulder portion the longitudinal direction of the wrap it is ipsilateral, from transversely-outwardly-extending second flank section of the side wrapping portion
Point, first shoulder portion and second shoulder portion collectively form after the wrap folds and form the package space
When, the connection wing between the main wrapping portion and the side wrapping portion.
Preferably, wherein first shoulder portion and second shoulder portion are respectively positioned on the main wrapping portion
Cross central line, along longitudinal ipsilateral of the main wrapping portion.
Preferably, the line of demarcation between first shoulder portion and second shoulder portion is along first fold line
Extend.
Preferably, the cross central line region of the main wrapping portion is the weakness zone that intensity is lower than other parts, is made
The air bag that is wrapped up of the wrap put it is quick-fried after can go out the wrap from the weakness zone.
Preferably, it is respectively formed with location hole on first shoulder portion and second shoulder portion, in institute
State determined when wrap folds to form the package space it is opposite between first shoulder portion and second shoulder portion
Position.
Preferably, the shape of first shoulder portion and second shoulder portion is designed to, is folded in the wrap
When forming the package space, after the location hole alignment of first shoulder portion and second shoulder portion, described first
The contour line of shoulder portion and second shoulder portion is overlapped.
Preferably, the shape of first shoulder portion and second shoulder portion is designed to triangle, wraps up in described
When cloth folds to form the package space, after the location hole alignment of first shoulder portion and second shoulder portion, two
The contour line of a triangle is overlapped.
Preferably, the length of first fold line is less than the length of the cross central line of the main wrapping portion.
Preferably, the wrap further includes engagement installation section, and the engagement installation section is respectively from the side parcel
The end for the longitudinal direction divided extends longitudinally outward out along the wrap.
Detailed description of the invention
The feature, advantage and technical effect of exemplary embodiment of the present described below with reference to the accompanying drawings.In the accompanying drawings,
The identical element of identical symbology, in which:
Fig. 1 shows the plane outspread drawing of one embodiment of the wrap according to the present invention for air bag.
Fig. 2 shows the folded schematic diagrames of one embodiment of the wrap according to the present invention for air bag.
Specific embodiment
Hereinafter, embodiment of the invention will be described with reference to drawings.Following detailed description and drawings are for illustratively saying
Bright the principle of the present invention, the present invention is not limited to described preferred embodiment, the scope of the present invention is defined by the claims.
Fig. 1 shows the plane outspread drawing of one embodiment of the wrap according to the present invention for air bag.Such as Fig. 1 institute
Show, the wrap 100 for air bag includes main wrapping portion 10, side wrapping portion 20, flank 30 and engagement installation section 40.
Main wrapping portion 10 is located at the center of wrap 100, and side wrapping portion 20 is from the longitudinal direction of main wrapping portion 10 (in Fig. 1
The direction y) both ends, and extended outward along the longitudinal direction of main wrapping portion 10, main wrapping portion 10 and side package
Line of demarcation between part 20 defines wrap 100 in first fold line 11 in its lateral (direction x in Fig. 1) direction.
There are four flank 30 is set altogether, wrap 100 is divided into two parts up and down by the cross central line of main wrapping portion 10, and four
Flank 30 extends transversely out from the two sides of the upper part of wrap 100 (direction y in Fig. 1) and the two sides of lower part respectively
Come, as shown in Figure 1, four flanks 30 include upper left flank, lower-left flank, upper right flank and bottom right flank, and four flanks 30
Cross central line along main wrapping portion 10 is symmetrical two-by-two.
Each flank 30 includes the first shoulder portion 31 and the second shoulder portion 32, is illustrated by taking the flank of lower-left as an example, the
One shoulder portion 31 extends transversely out from the lower part of main wrapping portion 10, and the second shoulder portion 32 is from 31 institute of the first flank
The side wrapping portion 20 that the lower part of the main wrapping portion 10 extended is abutted extends transversely outward out.First flank section
Points 31 define the of main wrapping portion 10 with the line of demarcation of main wrapping portion 10, the second shoulder portion 32 and side wrapping portion 20
Eighty percent discount superimposing thread 12.
As shown in Fig. 2, when wrap 100 is folded along the first fold line 11 and the second fold line 12 and is formed for wrapping up peace
When the package space of full airbag, the first shoulder portion 31 and the second shoulder portion 32 can collectively form main 10 He of wrapping portion of connection
The connection wing of side wrapping portion 20.
Using the wrap 100 provided by the present invention for air bag, air bag merging wrap 100 is folded after folding
When the package space of formation, the cocked bead of air bag can be accommodated in the package space by being fixedly connected with the wing, thus
Reduce or even avoid air bag during airbag deployment and is sandwiched in the defect between mask and airbag housing.
It and more preferably, should as shown in Figure 1, the first shoulder portion 31 and the second shoulder portion 32 are spaced by line of demarcation
Line of demarcation extends along the first fold line 11.When the first shoulder portion 31 and the second shoulder portion 32 fold and form the connection wing
When, which further improves package space to the storage effect of air bag, and the first shoulder portion being arranged such
31 and second shoulder portion 32 more convenient can be sheared from a piece of cloth, and be folded into the connection wing as shown in Figure 2.
At the same time, it is contemplated that being connected and fixed between the first shoulder portion 31 and the second shoulder portion 32, preferably
It is also respectively provided with location hole 311 on one shoulder portion 31 and the second shoulder portion 32, forms package sky when folding wrap 100
Between when, location hole 311 can be used as the positioning datum of the first shoulder portion 31 and the second shoulder portion 32, be used to determine the first side
Relative position between alar part 31 and the second shoulder portion 32, as shown in Fig. 2, when the first shoulder portion 31 and the second flank section
After being divided to 32 to be aligned by two location holes, sews and fix in the upper edge of the first shoulder portion 31 and the second shoulder portion 32.
In the present invention, the concrete shape of the first shoulder portion 31 and the second shoulder portion 32 is not construed as limiting, this field
Technical staff can select to be arranged according to actual needs.In preferred embodiment shown in Fig. 1, the first shoulder portion 31 and second side
The shape of alar part 32 is designed to, when wrap 100, which folds, forms package space, and when the first shoulder portion 31 and second side
After alar part 32 is aligned by location hole 311, the contour line of the first shoulder portion 31 and the second shoulder portion 32 is overlapped.
Specifically, the first shoulder portion 31 and the second shoulder portion 32 can be designed to triangle, when wrap 100 folds shape
When at package space, and after the first shoulder portion 31 and the second shoulder portion 32 are aligned by location hole 311, two triangle
Contour line be overlapped.Triangle is preferably isosceles triangle or equilateral triangle.Certain first shoulder portion 31 and second side
Alar part 32 can also be designed to square and other polygons.
Provided by the present invention for air bag wrap 100 while wrapping up air bag, also to guarantee
Air bag by put it is quick-fried after smoothly go out wrap 100, not will receive the obstruction of wrap 100.For this purpose, in the cross of main wrapping portion 10
It is provided with the weakness zone that intensity is lower than other parts to centre line zone, the air bag after this sampling point is quick-fried can be thin from this
Weak-strong test goes out wrap 100, guarantees that air bag is smoothly inflated and popped, provides protection for driver and/or passenger.
According to one embodiment, weakness zone can be opened up along the cross central line direction of main wrapping portion 10 it is multiple
The opening of discontinuous strip, for air bag in gas replenishment process, the connecting portion between each strip opening can be in safety
It is torn and is disconnected easily under the action of airbag expansive force, each strip open communication simultaneously forms the cross for running through main wrapping portion 10
To the bigger opening of centerline direction, air bag can be discharged from the opening of connection.
In preferred embodiment as shown in Figure 1, weakness zone is the reduction extended along main 10 cross central line of wrapping portion
Line 50, weakened line 50 are discontinuous joint-cutting, and wrap 100 is isolated at joint-cutting, and the length of weakened line 50 penetrates through main parcel
Divide the length at 10 cross central line, to guarantee that wrap 100 is torn to the greatest extent at weakened line 50, to make a little quick-fried
Air bag afterwards smoothly goes out wrap 100.
Provided by the present invention for the wrap 100 of air bag, in order to further decrease air bag be sandwiched in mask and
Risk between airbag housing, be preferably provided with the first fold line 11 length be less than main wrapping portion 10 cross central line length
Degree.In this way, wrap 100, which folds the package space formed, to be tightened at flank 30 into package space, so that substitute
Bag thereto tighten by center portion position, and the length of the first fold line 11 determines the width after air bag tightening.
It, can be folded according to air bag convolution when its wrap is wrapped up in selection for the air bag of different pneumatic volumes
The length of width afterwards and the cross central line of main wrapping portion 10 is of substantially equal to be chosen.
Wrap 100 provided by the present invention for air bag further includes the engagement installation section for connecting airbag housing
40, installation section 40 is engaged from longitudinal end of side wrapping portion 20 and extends longitudinally out, two engagement installation sections 40
Fixation hole 41 there are two being respectively formed, and third fold line is also provided between engagement installation section and side wrapping portion 20
13。
When the wrap 100 and airbag housing of wrapping up air bag are connected and fixed, engagement installation section 40 is rolled over along third
Superimposing thread 13 is folded to the package space of wrap 100, and by the fixation hole 41 and airbag housing of two engagement installation sections 40 with fixation
The mounting hole of air bag, gas generator etc. is aligned, to realize the installation of wrap 100 Yu airbag housing.
It should be noted that flank 30 is not limited to preferred embodiment shown in FIG. 1, the setting of flank 30 is intended to safety
The cocked bead of airbag is folded in the package space formed to wrap 100 and is tightened.According to one embodiment, flank 30 can be from main packet
It wraps up in the side of part 10, extend transversely out, and when package space folding of the flank 30 to wrap, the two sides point of flank 30
It is not connect with two sides wrapping portion 20 and fixed, to constitute the connection between main wrapping portion 10 and two sides wrapping portion 20
The wing.
While the invention has been described with reference to exemplary embodiments thereof, however, it is understood that the present invention is not limited to above-mentioned realities
Apply the construction and method of example.On the contrary, it is intended to cover various modifications example and equivalent arrangements.In addition, although in various examples
Property combination and construction in show the various elements and method and step of disclosed invention, but including more, less element
Or other combinations of method are also fallen within the scope of the present invention.
Claims (10)
1. a kind of wrap for air bag, comprising:
Main wrapping portion；
Side wrapping portion, longitudinal two sides positioned at the main wrapping portion and prolonging longitudinally outward along the main wrapping portion
It stretches；And
Flank, the flank extend transversely outward out from the side of both the main wrapping portion and the side wrapping portion
Come；
The line of demarcation of the main wrapping portion and the side wrapping portion defines the wrap along its first lateral fold line,
The line of demarcation of the flank and its main wrapping portion and at least one of the side wrapping portion that are extended
The second fold line of the wrap is defined, and
The wrap is configured to, when the wrap is folded and to be formed for wrapping up along first fold line and second fold line
When the package space of air bag, the flank constitutes the connection wing between the main wrapping portion and the side wrapping portion.
2. being used for the wrap of air bag as described in claim 1, wherein the flank includes from the main wrapping portion edge
The first shoulder portion for extending laterally outward and with first shoulder portion the longitudinal direction of the wrap it is ipsilateral, wrapped from the side
Transversely-outwardly-extending second shoulder portion in part is wrapped up in, first shoulder portion and second shoulder portion collectively form
The connection wing wrap forms the package space after folding when, between the main wrapping portion and the side wrapping portion.
3. being used for the wrap of air bag as claimed in claim 2, wherein first shoulder portion and second flank
Part be respectively positioned on the cross central line of the main wrapping portion, along longitudinal ipsilateral of the main wrapping portion.
4. being used for the wrap of air bag as claimed in claim 2, wherein first shoulder portion and second flank
Line of demarcation between part extends along first fold line.
5. the wrap according to claim 1 for air bag, wherein the cross central line area of the main wrapping portion
Domain is the weakness zone that intensity is lower than other parts so that the air bag that is wrapped up of the wrap put it is quick-fried after can be from described thin
Weak-strong test goes out the wrap.
6. the wrap according to claim 2 for air bag, wherein first shoulder portion and described second side
Location hole is respectively formed on alar part, for determining first flank when the wrap folds to form the package space
Relative position between part and second shoulder portion.
7. the wrap according to claim 6 for air bag, wherein first shoulder portion and described second side
The shape of alar part is designed to, when the wrap folds to form the package space, first shoulder portion and described
After the location hole alignment of two shoulder portions, the contour line of first shoulder portion and second shoulder portion is overlapped.
8. the wrap according to claim 7 for air bag, wherein first shoulder portion and described second side
The shape of alar part is designed to triangle, when the wrap folds to form the package space, first shoulder portion and
After the location hole alignment of second shoulder portion, the contour line of two triangles is overlapped.
9. the wrap according to claim 1 for air bag, wherein the length of first fold line is less than described
The length of the cross central line of main wrapping portion.
10. the wrap according to claim 1 for air bag, wherein the wrap further includes engagement installation section,
The engagement installation section is respectively from longitudinal end of the side wrapping portion, extending longitudinally outward out along the wrap
Come.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510850014.7A CN106809166B (en) | 2015-11-27 | 2015-11-27 | Wrap for air bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510850014.7A CN106809166B (en) | 2015-11-27 | 2015-11-27 | Wrap for air bag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106809166A CN106809166A (en) | 2017-06-09 |
| CN106809166B true CN106809166B (en) | 2019-08-06 |
Family
ID=59103609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510850014.7A Active CN106809166B (en) | 2015-11-27 | 2015-11-27 | Wrap for air bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106809166B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10994687B2 (en) | 2018-12-11 | 2021-05-04 | Autoliv Asp, Inc. | Airbag compression wrappers and related airbag assemblies |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101743148A (en) * | 2007-07-11 | 2010-06-16 | 奥托立夫开发公司 | Airbag device |
| EP2495136A1 (en) * | 2009-10-30 | 2012-09-05 | Ashimori Industry Co., Ltd. | Airbag device |
| CN104554119A (en) * | 2013-10-21 | 2015-04-29 | 奥托立夫开发公司 | An airbag unit for a motor vehicle safety device and a related method of packaging an airbag |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06156176A (en) * | 1992-11-30 | 1994-06-03 | Takata Kk | Air bag equipment for seat next to drivers seat |
| JP4075212B2 (en) * | 1999-05-24 | 2008-04-16 | 日本プラスト株式会社 | Airbag device |
| JP4475902B2 (en) * | 2003-09-09 | 2010-06-09 | 日本プラスト株式会社 | Airbag device |
-
2015
- 2015-11-27 CN CN201510850014.7A patent/CN106809166B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101743148A (en) * | 2007-07-11 | 2010-06-16 | 奥托立夫开发公司 | Airbag device |
| EP2495136A1 (en) * | 2009-10-30 | 2012-09-05 | Ashimori Industry Co., Ltd. | Airbag device |
| CN104554119A (en) * | 2013-10-21 | 2015-04-29 | 奥托立夫开发公司 | An airbag unit for a motor vehicle safety device and a related method of packaging an airbag |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106809166A (en) | 2017-06-09 |
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