CN105292043A - Safety air bag with multiple layers of buffering effect - Google Patents
Safety air bag with multiple layers of buffering effect Download PDFInfo
- Publication number
- CN105292043A CN105292043A CN201410238737.7A CN201410238737A CN105292043A CN 105292043 A CN105292043 A CN 105292043A CN 201410238737 A CN201410238737 A CN 201410238737A CN 105292043 A CN105292043 A CN 105292043A
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- buffering
- air bag
- gasbag
- safety air
- closely sealed
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Abstract
The invention discloses a safety air bag with multiple layers of buffering effect. The safety air bag comprises an air bag and a buffering gasket, wherein the air bag is provided with a buffering surface, a back surface, and an air bag chamber positioned between the buffering surface and the back surface; the buffering surface and the back surface are at opposite positions; a plurality of sealing parts are arranged at intervals between the buffering surface and the back surface; positions where sealing parts are not arranged are ventilation parts; the air bag chamber is provided with an air inlet part; partial periphery of the buffering gasket is connected to the periphery of the air bag; the buffering gasket is positioned on the side of the buffering surface; the area of the buffering gasket is smaller than that of the buffering surface; when the air bag is inflated, the air bag and the buffering gasket are mutually pulled, so that the air bag is expanded to form a thin bow-shaped air shield state, and a buffering space is formed between the buffering gasket and the buffering surface. The safety air bag is provided with the buffering gasket, the buffering space, the air bag and the like, so that the safety air bag has multiple layers of buffering effect; when a vehicle is collided, a protected person can be prevented from directly colliding against the air bag.
Description
Technical field
The present invention about a kind of safety air bag, especially about a kind of safety air bag of tool multilayer buffer action.
Background technology
In recent years, due to the raising realized for automotive safety, dealer can carry several safety air bag in vehicle, during in order to occur to clash at automobile, can protect the passenger in car.
Safety air bag mainly comprises the gasbag folded, and coordinates an inflator module (comprising inductor, collision perceptron and aerator) to use.Its principle is through several groups of inductors being arranged in car body, or is used in the single-point type inductor in car, the shock degree of sense vehicle and foreign object, and determines whether firing air bag bag via collision perceptron.That is, when vehicle occurs to clash into, inductor can sense transient acceleration during shock, and judge that whether this transient acceleration is more than a setting value by collision perceptron, if when exceeding this setting value, collision perceptron can be launched signal to ignition trigger device and ignites aerator and produce a large amount of gas filling air inlet pouches, and now, gasbag namely can instantaneous expansion.When vehicle occurs to clash into; the gasbag that chaufeur and the first striking of front-seat passenger's (being referred to as protege below) meeting have been inflated to this; in order to the bearing circle or the instrument carrier panel that prevent the head of protege and chest from directly striking vehicle, reach the object that protection protege is safe by bus according to this.
Develop various forms of safety air bag at present, such as the various multi-form safety air bag such as general safety air bag, the safety air bag sent from instrument carrier panel, the safety air bag sent from side window, the safety air bag sent from buckle for safety belts and headrest-type safety air bag of sending from headrest portion sent from bearing circle.Seek for different safety air bags unexpected in response to various different vehicle running collision.Those multi-form safety air bags, are nothing but when vehicle occurs to clash into, provide a gassiness gasbag, make protege can the gasbag inflated to this of first striking, and buffering collision of closed is to other hard object of vehicle.
When the gasbag of safety air bag is opened up instantaneously and is charged to full conjunction, due to the full resultant pressure of gasbag internal gas, gasbag is relatively made to have suitable hardness.And known safety air bag is only a simple bag structure, when vehicle occurs to clash into, protege directly moment striking can have the gasbag of suitable hardness to this, still can damage the striking position on protege's health.
Summary of the invention
The invention provides the safety air bag with multilayer buffer action of the direct striking of a kind of protege of avoiding to gasbag.
According to an aspect of the present invention, a kind of safety air bag of tool multilayer buffer action is provided, comprise: a gasbag, have and be positioned at a relative buffering suface and a back surface and a therebetween gasbag chamber, multiple closely sealed portion is interval with between buffering suface and back surface, other do not set the position in this closely sealed portion as ventilating part, and gasbag chamber has an air inlet portion; And a buffering spacer, its part outer rim is connected to the outer rim of gasbag, and is positioned at this side of the buffering suface of gasbag, and the area of buffering spacer is less than the area of buffering suface.When inflating, gasbag is subject to the restriction in closely sealed portion, make gasbag expand into the arciform gas peltate state of minimal thickness, and gasbag and the mutual stay bolt of buffering spacer forms an arciform housing, and between buffering spacer and buffering suface, forms a cushion space.According to this, make safety air bag have the buffer action of the multilayers such as buffering spacer, cushion space and gasbag, when vehicle occurs to clash into, avoid protege directly to strike gasbag.
According to a further aspect in the invention, a kind of safety air bag of tool multilayer buffer action is provided, comprise: a gasbag, have and be positioned at a relative buffering suface and a back surface and a therebetween gasbag chamber, be interval with between buffering suface and back surface multiple tracks directly to closely sealed portion, each road directly to closely sealed portion respectively have directly to the closely sealed portion of multistage at interval, other do not set the position in this closely sealed portion as ventilating part, and gasbag chamber has an air inlet portion; And a buffering spacer, multiple positions of its two sides outer rim and zone line are connected to outer rim and the closely sealed portion of multiple tracks of gasbag, and are positioned at this side of the buffering suface of gasbag, and the area of buffering spacer is less than the area of buffering suface.When inflating, gasbag and the mutual stay bolt of buffering spacer, make gasbag expand into the arciform gas peltate state of minimal thickness, and between buffering spacer and buffering suface, form multiple cushion space.According to this, make safety air bag have the buffer action of the multilayers such as buffering spacer, cushion space and gasbag, when vehicle occurs to clash into, avoid protege directly to strike gasbag.
Accompanying drawing explanation
Fig. 1 illustrates the schematic appearance of safety air bag after inflating completely according to the tool multilayer buffer action of the present invention one first embodiment;
Fig. 2 is the exploded drawings of the safety air bag illustrating the tool multilayer buffer action shown in Fig. 1;
Fig. 3 illustrates the cross-sectional schematic that the A-A line along the safety air bag of the tool multilayer buffer action shown in Fig. 1 gets;
Fig. 4 illustrates the cross-sectional schematic that the B-B line along the safety air bag of the tool multilayer buffer action shown in Fig. 1 gets;
Fig. 5 is the safety air bag of the tool multilayer buffer action of the first embodiment illustrated according to the present invention one first embodiment, and it shows this safety air bag and is arranged at the schematic appearance after safety strap is inflated completely;
Fig. 6 is the cross-sectional schematic of the safety air bag illustrating the tool multilayer buffer action shown in Fig. 5;
Fig. 6 A be the safety air bag illustrating the tool multilayer buffer action shown in Fig. 6 be coupled with protege striking time generalized section;
Fig. 7 is the safety air bag of the tool multilayer buffer action of the second embodiment illustrated according to the present invention one first embodiment, and it shows this safety air bag and is arranged at the schematic appearance after bearing circle is inflated completely;
Fig. 8 is the cross-sectional schematic of the safety air bag illustrating the tool multilayer buffer action shown in Fig. 7;
Fig. 8 A be the safety air bag illustrating the tool multilayer buffer action shown in Fig. 8 be coupled with protege striking time generalized section;
Fig. 9 is the schematic appearance that the safety air bag illustrated according to the tool multilayer buffer action of the present invention one second embodiment is arranged in headrest portion after inflation completely.
Detailed description of the invention
Aforementioned and other technology contents, feature and effect for the present invention, in the middle of the following embodiment detailed description coordinated with reference to accompanying drawing, can clearly present.
Refer to Fig. 1 to Fig. 4, the safety air bag according to the tool multilayer buffer action of the present invention one first embodiment comprises gasbag 100 and a buffering spacer 300.
For ease of clearer expression structure of the present invention and feature thereof, gasbag 100 is inflated completely.As shown in the figure, gasbag 100 has and is positioned at a relative buffering suface 110 and a back surface 120 and a therebetween gasbag chamber 140.Be interval with multiple closely sealed portion 130 between buffering suface 110 and back surface 120, do not set the position in this closely sealed portion 130 then as ventilating part 190 between buffering suface 110 and back surface 120, gasbag chamber 140 communicates via ventilating part 190.The laying in closely sealed portion 130 can be the laying of point-like, the laying of wire or the laying in whole region.In the embodiment of accompanying drawing, be show the laying that closely sealed portion 130 is multiple region.Gasbag chamber 140 is provided with an air inlet portion 180 and multiple bleeder port 150.Air inlet portion 180 can be connected to an outside inflator module (not shown).When vehicle occurs to clash into, inflator module can provide gas to be filled with the gasbag chamber 140 of air inlet pouch 100 instantaneously by air inlet portion 180.
Closely sealed portion 130 sews up bracing wire 160 buffering suface 110 of gasbag 100 and mutual stitching of back surface 120 to be furthered, and between buffering suface 110 and back surface 120, forms this closely sealed portion 130 according to this.
Buffering spacer 300 is made with the matter material that toughness is good, such as, make with the cloth material that toughness is good.The outer margin contour of buffering spacer 300 is join the outer margin contour of answering gasbag 100 haply.The outer rim of buffering spacer 300 is connected to the outer rim of gasbag 100 with many places connecting portion 310, and is positioned at this side of buffering suface 110.The area of buffering spacer 300 is less than the area of buffering suface 110, and forms a cushion space 170 between buffering spacer 300 and buffering suface 110.In the examples in the drawings, it is the outer rim of display buffer pad 300 is connected to gasbag 100 outer rim with four connecting portions 310, other positions be not connected with gasbag 100 of buffering spacer 300 outer rim then respectively form a port portion 320, it communicates with cushion space 170, as the use of discharging striking pressure.
When safety air bag is fully inflated, with regard to gasbag 100, owing to being interval with multiple closely sealed portion 130 between its buffering suface 110 and back surface 120, those closely sealed portions 130 limit buffering suface 110 and the outside expanded thickness of back surface 120 at those positions, closely sealed portion 130 of gasbag 100, but the gas of inflation still circulates in gasbag chamber 140 by ventilating part 190.Therefore, when gasbag 100 is inflated, only the buffering suface 110 of its gasbag chamber 140 and back surface 120 outwards expand, in each closely sealed portion 130 and peripheral part thereof then because can not outwards be expanded by each closely sealed portion 130 confined expansion thickness.Moreover, with regard to gasbag 100 relative to regard to buffering spacer 300, when gasbag 100 is fully inflated, gasbag 100 and buffering spacer 300 are mutual stay bolt, its buffering spacer 300 being positioned at this side of buffering suface 110 that can stretch makes it be extended into a plane, but the outer rim due to gasbag 100 is subject to the restriction of buffering spacer 300 outer rim, and the area of buffering spacer 300 is less than the area of gasbag 100 buffering suface 110, therefore, buffering spacer 300 is to force gasbag 100 entirety to form the arciform gas peltate state of arching towards back surface 120 direction, and, obvious cushion space 170 is formed between the buffering suface 110 arched backward and buffering spacer 300.Therefore, the safety air bag according to the first embodiment of the present invention is the buffer action with multilayers such as buffering spacer 300, cushion space 170 and gasbags 100.
According to the safety air bag of the tool multilayer buffer action of first embodiment of the invention, any suitable position of vehicle interior can be arranged at.Such as, refer to Fig. 5 to Fig. 6 A, it illustrates the safety air bag of the tool multilayer buffer action of the first embodiment according to first embodiment of the invention, is be arranged on safety strap by safety air bag, and show this safety air bag inflate completely after situation.According to ergonomics, be arranged on the safety air bag on safety strap, its profile is the shape forming near-rhombic.The air inlet portion 180 of safety air bag is connected to the inflator module 400 set by vehicle.Inflator module 400 comprises inductor, collision perceptron and aerator etc.
When vehicle occurs to clash into and its acceleration/accel clashed into exceedes the setting value set by inflator module; inflator module 400 provides gas to fill with the gasbag 100 into safety air bag instantaneously via air inlet portion 180 by its aerator; safety air bag is as above-mentioned; formed closely sealed portion 130 limit thickness that gasbag 100 outwards expands, buffering spacer 300 in a plane, gasbag 100 arches to its back surface 120 and has the aspect of cushion space 170 between buffering spacer 300 and buffering suface 110, and the buffering spacer 300 of safety air bag is towards protege 500.Therefore; when vehicle occurs to clash into and makes safety air bag be inflated and accelerate instantaneously to cause protege 500 striking in the safety air bag that this has been inflated because of shock; protege 500 is that first striking is in buffering spacer 300; again via cushion space 170; just meeting striking is in gasbag 100; and by the port portion 320 communicated with cushion space 170, striking pressure can be discharged.Avoiding the direct striking of protege 500 in the gasbag 100 because being full of saturated gas with suitable hardness, avoiding the injury of striking position such as head on protege 500 health.
That is, according to the safety air bag with multilayer buffer action of first embodiment of the invention, owing to having the buffer action of the multilayers such as buffering spacer 300, cushion space 170 and gasbag 100, when vehicle occurs to clash into, protege cushions via the multilayer of buffering spacer 300 and cushion space 170, the power of protege 500 striking to gasbag 100 can be weakened, avoid the injury causing protege's striking position; Again by the obstruct of gasbag 100, prevent protege from striking the hard object such as the bearing circle of vehicle or instrument carrier panel.Therefore, the effect that protection protege is safe by bus is really reached.
When protege 500 striking is to gasbag 100; more and then discharge the pressure of gasbag 100 inside by bleeder port 150; to guide protege 500 striking to the pressure produced during gasbag 100 to outside; and let out the pressure subtracting gasbag 100 inside, avoid gasbag 100 couples of proteges to cause excessive shock.
Refer to Fig. 7 to Fig. 8 A, it illustrates the safety air bag of the tool multilayer buffer action of the second embodiment according to first embodiment of the invention, is be arranged on bearing circle by safety air bag, and show this safety air bag inflate completely after situation.The air inlet portion 180 of safety air bag is connected to the inflator module 400 set by vehicle equally.Inflator module 400 comprises inductor, collision perceptron and aerator etc.The safety air bag of this second embodiment has multilayer buffer action identical with the safety air bag of above-mentioned first embodiment equally, does not repeat them here.
Refer to Fig. 9, the safety air bag according to the tool multilayer buffer action of the present invention one second embodiment comprises gasbag 100, air inlet portion 180 and a buffering spacer 300.
Safety air bag according to the tool multilayer buffer action of second embodiment of the invention is the head rest portion being suitable for being arranged at seat, in order to protect the head and neck of protege.For ease of clearer expression structure of the present invention and feature thereof, gasbag 100 is inflated completely.
As shown in the figure, gasbag 100 has and is positioned at a relative buffering suface 110 and a back surface 120 and a therebetween gasbag chamber 140.Be interval with between buffering suface 110 and back surface 120 multiple tracks directly to closely sealed portion 130, the embodiment of accompanying drawing be display have two roads directly to closely sealed portion 130, each road directly to closely sealed portion respectively have directly to the closely sealed portion of multistage at interval, and other do not set the position in this closely sealed portion as ventilating part 190.Gasbag chamber 140 is provided with an air inlet portion 180 and multiple bleeder port 150.Air inlet portion 180 can be connected to the inflator module 400 set by vehicle.Inflator module 400 comprises inductor, collision perceptron and aerator etc.When vehicle occurs to clash into and the acceleration/accel clashed into exceedes the setting value set by inflator module 400, inflator module 400 can provide gas to fill with air inlet pouch 100 instantaneously by air inlet portion 180.
Closely sealed portion 130 sews up bracing wire 160 buffering suface 110 of gasbag 100 and mutual stitching of back surface 120 to be furthered, and between buffering suface 110 and back surface 120, forms this closely sealed portion 130 according to this.
Buffering spacer 300 is made with the matter material that toughness is good, such as, make with the cloth material of a piece of wood serving as a brake to halt a carriage.Two side outer rims of buffering spacer 300 and multiple positions of zone line such as two positions are connected to the closely sealed portion 130 of two side outer rims and two roads of gasbag 100, and be positioned at this side of the buffering suface 110 of gasbag 100, and the area of buffering spacer 300 is less than the area of buffering suface 110.Be formation three cushion spaces 170 between buffering spacer 300 and buffering suface 110.
When safety air bag is fully inflated, with regard to gasbag 100, due to be interval with between its buffering suface 110 and back surface 120 that two roads have a closely sealed portion of multistage straight to closely sealed portion 130, those closely sealed portions 130 limit buffering suface 110 and the outside expanded thickness of back surface 120 at those positions, closely sealed portion 130 of gasbag 100, but the gas of inflation still circulates in gasbag chamber 140 by each ventilating part 190.Therefore, when gasbag 100 is inflated, only the buffering suface 110 of its gasbag chamber 140 and back surface 120 outwards expand, in each closely sealed portion 130 and peripheral part thereof then because can not outwards be expanded by each closely sealed portion 130 confined expansion thickness.Moreover, with regard to gasbag 100 relative to regard to buffering spacer 300, when gasbag 100 is fully inflated, gasbag 100 and buffering spacer 300 are mutual stay bolt, its buffering spacer 300 being positioned at this side of buffering suface 110 that can stretch stretches, but due to the closely sealed portion 130 of two side outer rims and two roads of gasbag 100, the restriction at two connected positions of the zone line that the closely sealed portion of two outer rims and Yu Gai bis-road 130 being subject to buffering spacer 300 is respectively connected, and the area of buffering spacer 300 is less than the area of gasbag 100 buffering suface 110, therefore, overall gasbag 100 is form the arciform gas peltate state of arching to back surface 120 direction.And, form three obvious cushion spaces 170 between buffering spacer 300 and the buffering suface 110 arched backward of each gasbag chamber 140.Therefore, the safety air bag according to second embodiment of the invention is the buffer action with multilayers such as buffering spacer 300, cushion space 170 and gasbags 100.
When vehicle occurs to clash into and its acceleration/accel clashed into exceedes the setting value set by inflator module, inflator module 400 provides gas to fill with the gasbag 100 into safety air bag instantaneously via air inlet portion 180 by its aerator, safety air bag is as above-mentioned, form closely sealed portion 130 and limit the outside thickness expanded of gasbag chamber 140, buffering spacer 300 is in U-shaped plane, gasbag 100 arches to its back surface 120, and there is between buffering spacer 300 and buffering suface 110 aspect of three cushion spaces 170, and the buffering spacer 300 in U-shaped of safety air bag is the head and neck towards protege.Therefore; when vehicle occurs to clash into and makes safety air bag be inflated and accelerate instantaneously to cause protege's striking in the safety air bag that this has been inflated because of shock; the head and neck of protege be first striking in buffering spacer 300, then via cushion space 170, just can striking in gasbag 100.Avoiding the direct striking of protege in the gasbag 100 because being full of saturated gas with suitable hardness, reducing the injury of protege's head and neck.
That is, according to the safety air bag with multilayer buffer action of second embodiment of the invention, owing to having the buffer action of the multilayers such as buffering spacer 300, cushion space 170 and gasbag 100, when vehicle occurs to clash into, protege cushions via the multilayer of buffering spacer 300 and cushion space 170, the power of protege's striking to gasbag 100 can be weakened, avoid the injury causing protege's striking position; Again by the obstruct of gasbag 100, prevent protege from striking the hard object such as headrest portion.Therefore, the effect that protection protege is safe by bus is really reached.
When protege's striking is to gasbag 100; more and then discharge the pressure of gasbag 100 inside by bleeder port 150; to guide protege's striking to the pressure produced during gasbag to outside; and let out the pressure subtracting gasbag 100 inside, avoid gasbag 100 couples of proteges to cause excessive shock.
Although the present invention discloses as above with embodiment; so itself and be not used to limit the present invention, be anyly familiar with this those skilled in the art, without departing from the spirit and scope of the present invention; when being used for a variety of modifications and variations, the scope that therefore protection scope of the present invention ought define depending on appending claims is as the criterion.
Claims (6)
1. a safety air bag for tool multilayer buffer action, is characterized in that, comprising:
One gasbag, have and be positioned at a relative buffering suface and a back surface and a therebetween gasbag chamber, be interval with multiple closely sealed portion between this buffering suface and this back surface, other do not set the position in this closely sealed portion as ventilating part, and this gasbag chamber has an air inlet portion; And
One buffering spacer, the part outer rim of this buffering spacer is connected to the outer rim of this gasbag, and be positioned at this side of the buffering suface of this gasbag, and the area of this buffering spacer is less than the area of this buffering suface, forms a cushion space between this buffering spacer and this buffering suface.
2. the safety air bag of tool multilayer buffer action according to claim 1, it is characterized in that, this gasbag chamber is provided with multiple bleeder port.
3. the safety air bag of tool multilayer buffer action according to claim 1 and 2, is characterized in that, this closely sealed portion sews up bracing wire with one this buffering suface and back surface mutually to be sewed up and further, and forms this closely sealed portion between this buffering suface and this back surface.
4. a safety air bag for tool multilayer buffer action, is characterized in that, comprising:
One gasbag, have and be positioned at a relative buffering suface and a back surface and therebetween gasbag chamber, be interval with between this buffering suface and this back surface multiple tracks directly to closely sealed portion, each road directly to closely sealed portion respectively have directly to the closely sealed portion of multistage at interval, other do not set the position in this closely sealed portion as ventilating part, and this gasbag chamber has an air inlet portion; And
One buffering spacer, two side outer rims of this buffering spacer and multiple positions of zone line are connected to two side outer rims and the closely sealed portion of this multiple tracks of this gasbag, and be positioned at this side of the buffering suface of this gasbag, and the area of this buffering spacer is less than the area of this buffering suface, between this buffering spacer and this buffering suface, form multiple cushion space.
5. the safety air bag of tool multilayer buffer action according to claim 4, it is characterized in that, this gasbag chamber is provided with multiple bleeder port.
6. the safety air bag of the tool multilayer buffer action according to claim 4 or 5, is characterized in that, this closely sealed portion sews up bracing wire with one this buffering suface and back surface mutually to be sewed up and further, and forms this closely sealed portion between this buffering suface and this back surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410238737.7A CN105292043A (en) | 2014-05-30 | 2014-05-30 | Safety air bag with multiple layers of buffering effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410238737.7A CN105292043A (en) | 2014-05-30 | 2014-05-30 | Safety air bag with multiple layers of buffering effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105292043A true CN105292043A (en) | 2016-02-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410238737.7A Pending CN105292043A (en) | 2014-05-30 | 2014-05-30 | Safety air bag with multiple layers of buffering effect |
Country Status (1)
| Country | Link |
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| CN (1) | CN105292043A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111267769A (en) * | 2019-12-20 | 2020-06-12 | 浙江零跑科技有限公司 | Multi-buffering safety airbag on rear row side surface |
| CN113140856A (en) * | 2020-01-02 | 2021-07-20 | 广州汽车集团股份有限公司 | Battery protection device and electric automobile |
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| WO2012001058A1 (en) * | 2010-06-30 | 2012-01-05 | Takata-Petri Ag | Airbag arrangements for a steering wheel of a motor vehicle |
| CN102756704A (en) * | 2011-04-29 | 2012-10-31 | 山东建筑大学 | Double-cavity safety air bag device |
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| US6554316B2 (en) * | 2001-03-08 | 2003-04-29 | Autoliv Asp, Inc. | Multi-chamber airbag gas venting system |
| JP2004017776A (en) * | 2002-06-14 | 2004-01-22 | Takata Corp | External surface expanding airbag device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111267769A (en) * | 2019-12-20 | 2020-06-12 | 浙江零跑科技有限公司 | Multi-buffering safety airbag on rear row side surface |
| CN111267769B (en) * | 2019-12-20 | 2021-01-01 | 浙江零跑科技有限公司 | Multi-buffering safety airbag on rear row side surface |
| CN113140856A (en) * | 2020-01-02 | 2021-07-20 | 广州汽车集团股份有限公司 | Battery protection device and electric automobile |
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Application publication date: 20160203 |
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