CN102806883A - Safety air cushion of seat - Google Patents
Safety air cushion of seat Download PDFInfo
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- CN102806883A CN102806883A CN201110147147XA CN201110147147A CN102806883A CN 102806883 A CN102806883 A CN 102806883A CN 201110147147X A CN201110147147X A CN 201110147147XA CN 201110147147 A CN201110147147 A CN 201110147147A CN 102806883 A CN102806883 A CN 102806883A
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- constraint
- vehicle body
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Abstract
The invention provides a safety air cushion of a seat. The safety air cushion comprises an air cushion body arranged in the seat, wherein after the air bag body is unfolded, two concave grooves extending along the front direction and the rear direction of a vehicle body are formed on the upper surface of the air cushion body; the two concave grooves are horizontally arranged in parallel along the vehicle body, and the distance between the two concave grooves is matched with the distance between two legs when an adult sits on the seat. The safety air cushion provided by the invention can protect the legs of a driver and passengers more perfectly.
Description
Technical field
The present invention relates to a kind of seat safety air bag.
Background technology
Safe automobile air bag is having important effect aspect protection driver and conductor's the life security; To different protection position and different forms of collision; Safety air bag is designed to various ways; For example driver airbag, front-row occupant safety air bag, seat side air bag, gas curtain, knee air bag etc. attempt that a plurality of positions to the driver and conductor play a protective role in various multi-form collision cases.But in a lot of collision cases; These safety air bags are owing to can not stop driver and conductor's landing and do not play due protective effect from the seat; Even when being used with safety strap; Usually, cause than major injury owing to driver and conductor's landing makes the safety strap more vulnerable belly of driver and conductor that fastens.
In order to prevent driver and conductor's landing from the seat, a kind of seat safety air bag is arranged in the prior art, this safety air bag is arranged on the top of seat cushion, the below of seat cushion covering, but the seat cushion covering is provided with tearing configuration.When collision happens, but air bag eject from above-mentioned tearing configuration, raise driver and conductor's shank, avoid driver and conductor's landing from the seat.But this safety air bag just merely lifts driver and conductor's shank, does not consider the concrete structure of driver and conductor's shank, and is perfect inadequately to the protection of driver and conductor's shank.
Summary of the invention
The present invention is above-mentioned to the perfect inadequately problem of driver and conductor's leg protection for solving, and a kind of seat safety air bag is provided, and this seat safety air bag can carry out more perfect protection to driver and conductor's shank.
Seat safety air bag of the present invention; Comprise the pneumatophore that is arranged in the seat; Wherein, Said pneumatophore launches its upper surface of back and is formed with two trench that extend along the vehicle body fore-and-aft direction, two trench along vehicle body laterally be set up in parallel and the spacing of two trench and adult two leg spacings when being sitting on the seat suitable.
Further, said pneumatophore launches the back and is shaped as wedge shape from what vehicle body was laterally looked, and the front end of said wedge shape is higher than the rear end.
Further; Said pneumatophore comprises the left side constraint sheet and right constraint sheet that is arranged in the pneumatophore; The roof of left side constraint sheet and pneumatophore links to each other and launches afterwards at pneumatophore that said connecting place aligns with a said trench along the vehicle body fore-and-aft direction; The roof of right constraint sheet and pneumatophore links to each other and launches afterwards at pneumatophore that said connecting place aligns with said another trench along the vehicle body fore-and-aft direction; Constraint sheet in a left side also links to each other along the vehicle body fore-and-aft direction with the diapire of pneumatophore with right constraint sheet; Left constraint sheet is laterally looked from vehicle body in pneumatophore expansion back with right constraint sheet and is positioned at said wedge shape, and said left side constraint sheet is parallel to each other after pneumatophore launches with right side constraint sheet, and said left side constraint sheet and right constraint sheet are separated into three along the transversely arranged inflation area of vehicle body with pneumatophore.
Further, said pneumatophore is provided with three respectively with the deflation hole of said three inflation area and external communications.
Further; Said seat safety air bag also comprises gas generator and ventilation flue; Said ventilation flue is horizontally installed in the pneumatophore along vehicle body, and ventilation flue's both ends open is communicated with the inflation area on the left side and the inflation area on the right respectively, and ventilation flue's sidewall is provided with induction opening; Said induction opening is communicated with middle inflation area, and said gas generator is arranged in the ventilation flue.
Further; Said left side constraint sheet and right constraint sheet triangularity; The upper edge of left side constraint sheet and the roof of pneumatophore link to each other and launch afterwards at pneumatophore that said connecting place aligns with a said trench along the vehicle body fore-and-aft direction; The upper edge of right constraint sheet and the roof of pneumatophore link to each other and launch afterwards at pneumatophore that said connecting place aligns with said another trench along the vehicle body fore-and-aft direction; The lower edge of left side constraint sheet and right constraint sheet links to each other along the vehicle body fore-and-aft direction with the diapire of pneumatophore, laterally looks from vehicle body in pneumatophore expansion back and be positioned at said wedge shape in the upper edge of left constraint sheet and right constraint sheet.
Further; Said pneumatophore also comprises: egative film, top flat, coxopleure, left side sheet and right side sheet; The equal rectangularity of said egative film, top flat and coxopleure; The back edge of egative film and top flat links to each other; The edge, front of top flat links to each other with episternal upper edge, and the edge, front of egative film links to each other with episternal lower edge, and said left side sheet is identical with size with right side sheet triangularity and the shape of the two; Three edges of left side sheet link to each other with egative film, top flat and episternal left margin respectively; Three edges of right side sheet link to each other with egative film, top flat and edge, episternal the right respectively, and left side constraint sheet and the right shape that retrains sheet are with big or small identical, and the left side sheet is that a similar triangle and a left side retrains the triangle area of the triangle area of sheet less than the left side sheet with left side constraint sheet; Left side constraint sheet and right constraint sheet are arranged between left side sheet and the right side sheet and to launch the back at pneumatophore parallel with the right side sheet with the left side sheet; Said left side constraint sheet and right constraint sheet launch the back from vehicle body coincidences of laterally looking at said pneumatophore, and said left side sheet and right side sheet launch the back from vehicle body coincidences of laterally looking at said pneumatophore, said left side constraint sheet said pneumatophore launch the back laterally look from vehicle body be positioned on the left of sheet inside and the corresponding sides of the two edge parallel; Three edges of left side constraint sheet link to each other with egative film, top flat and coxopleure respectively, and three edges of right constraint sheet link to each other with egative film, top flat and coxopleure respectively.
Further, the shape of said left side constraint sheet and right constraint sheet is the triangle that three angles are prescinded, and right constraint sheet is identical with the shape of left side constraint sheet.
Further, said seat safety air bag also comprises reinforced sheet, and said reinforced sheet is arranged in the pneumatophore and is fixedly mounted on the egative film, and said ventilation flue is arranged on the reinforced sheet.
Further, the triangle area of left side constraint sheet is the 60%-90% of the triangle area of left side sheet.
Further, said coxopleure is folded into the wind-box shape of accordion when pneumatophore draws in.
Further, said pneumatophore is arranged between seat cushion and the cushion frame.
Further, said pneumatophore is arranged between seat cushion and the cushion frame, and said cushion frame is provided with the pit suitable with gas generator, and said gas generator is installed in the said pit.
The invention has the beneficial effects as follows: pneumatophore of the present invention launches its upper surface of back and is formed with two trench that extend along the vehicle body fore-and-aft direction; And two leg spacings the when spacing of two trench and adult are sitting on the seat are suitable; Therefore; When collision happens accident pneumatophore launches; The pneumatophore that launches not only can raise driver and conductor's both legs, but also can driver and conductor's both legs be limited in two trench, avoided both legs to separate to both sides, and driver and conductor's shank has been carried out more perfect protection.
Description of drawings
Fig. 1 is the view of the seat safety air bag of one embodiment of the present invention when drawing in;
View when Fig. 2 is the seat air-bag deployment of one embodiment of the present invention;
Fig. 3 is the exploded perspective view (in order to show gas generator better, the ventilation flue does not show fully) of the seat safety air bag of one embodiment of the present invention;
Fig. 4 is the enlarged diagram at A place among Fig. 3;
Fig. 5 is that the seat safety air bag of one embodiment of the present invention is installed in the seat and the scheme drawing of pneumatophore when launching;
Fig. 6 is a left side constraint sheet and the right structural representation that retrains sheet in one embodiment of the present invention.
The specific embodiment
Clearer for technical matters, technical scheme and beneficial effect that the present invention is solved, below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.Should be appreciated that the specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
When in the following description, all relative vehicle in described top to bottom, left and right, front and rear is normally placed.
Like Fig. 1-shown in Figure 6; The seat safety air bag of the specific embodiment of the invention; Comprise the pneumatophore 1 that is arranged in the seat; Said pneumatophore 1 launch its upper surface of back be formed with two 101, two trench 101 of trench that extend along the vehicle body fore-and-aft direction along vehicle body laterally be set up in parallel and the spacing of two trench 101 and adult two leg spacings when being sitting on the seat suitable.
Form said two trench 101; Can adopt various feasible methods; Such as suture folded structure at trench 101 places, or when cutting the cloth of pneumatophore 1, make the length at trench 101 places littler than other position, above-mentioned these all can launch the back at pneumatophore 1 and form trench 101.According to each one difference of height, body weight and custom; Spacing when the adult is sitting on the seat between two legs is different; But the difference of said spacing neither be very big, therefore can pass through certain investigation test, gets the aviation value of various spacings then; Make the spacing of said two trench 101 equal said aviation value, this is above-mentioned suitable a kind of specific embodiment.
As preferred embodiment a kind of, said pneumatophore 1 launches the back and is shaped as wedge shape from what vehicle body was laterally looked, and the front end of said wedge shape is higher than the rear end.Such benefit is can driver and conductor's shank is too high, simultaneously, progressively raises from back to front, and the driver and conductor's was stressed more even when pneumatophore 1 launched.
As preferred embodiment a kind of; In order to form described trench 101; Said pneumatophore 1 comprises the left side constraint sheet 102 and right constraint sheet 103 that is arranged in the pneumatophore 1; Said left side constraint sheet 102 is parallel to each other after pneumatophore 1 launches with right constraint sheet 103; The roof of left side constraint sheet 102 and pneumatophore 1 links to each other and launches afterwards at pneumatophore that said connecting place aligns with a said trench 101 along the vehicle body fore-and-aft direction; The roof of right constraint sheet 103 and pneumatophore 1 links to each other and launches the said connecting place in back at pneumatophore and align with said another trench 101 along the vehicle body fore-and-aft direction, and left side constraint sheet 102 and right constraint sheet 103 launch the back at pneumatophore 1 and laterally look from vehicle body and be positioned at said wedge shape, and constraint sheet 102 in a left side retrains sheet 103 with the right side and also links to each other along the vehicle body fore-and-aft direction with the diapire of pneumatophore 1.Through described left side constraint sheet 102 and right constraint sheet 103 are set, after pneumatophore 1 launched, left side constraint sheet 102 and right constraint sheet 103 were held the roof of pneumatophores 1, made on the roof of pneumatophore 1 and formed said two trench 101.Left side constraint sheet 102 can be triangle, semicircle or other shape with right constraint sheet 103; Shape regardless of left side constraint sheet 102 and right constraint sheet 103; As long as laterally looking from vehicle body in pneumatophore 1 expansion back with right constraint sheet 103, left constraint sheet 102 is positioned at said wedge shape; After pneumatophore 1 launched, left side constraint sheet 102 and right constraint sheet 103 all can be held the roof of pneumatophore 1, made on the roof of pneumatophore 1 and formed said two trench 101.Said left side constraint sheet 102 is separated into three along the transversely arranged inflation area of vehicle body with right constraint sheet 103 with pneumatophore 1.
As preferred embodiment a kind of, said pneumatophore 1 is provided with three respectively with the deflation hole 104 of said three inflation area and external communications.Pneumatophore 1 employing this area of this embodiment air bag cloth commonly used is made, and air bag cloth itself has certain venting capability, but for exhaust faster after launching at pneumatophore 1, is provided with three deflation holes 104.
As preferred embodiment a kind of; Said seat safety air bag also comprises gas generator 2 and ventilation flue 3; Said ventilation flue 3 is horizontally installed in the pneumatophore 1 and passes a left side along vehicle body and retrains sheet 102 and right constraint sheet 103, and ventilation flue 3 both ends open is communicated with the inflation area on the left side and the inflation area on the right respectively, and ventilation flue 3 sidewall is provided with induction opening 301; Said induction opening 301 is communicated with middle inflation area, and said gas generator 2 is installed in the ventilation flue 3.Said ventilation flue 3 makes with this area air bag cloth commonly used, and ventilation flue 3 becomes the pipe shape after inflation.Main effect of the ventilation flue 3 is that the gas that gas generator 2 produces is led and shunts, and the gas that gas generator 2 produces is two inflation area, the inflation area in the middle of induction opening 301 enters into about ventilation flue 3 right ends opening enters into respectively.Through the size of induction opening 301 rationally is set, can sets let about two inflation area be full of earlier gas or in the middle of inflation area be full of gas earlier.Such as in American-European countries; Driver and conductor's height is higher; Driver and conductor's shank and seat cushion 5 relative spaces are bigger, and the inflation area in the middle of can letting earlier is full of gas, and driver and conductor's shank is in time lifted; About be full of gas after two inflation area, prevent that driver and conductor's shank from separating to both sides.And in Asian countries; Driver and conductor's height is shorter relatively; Driver and conductor's shank and seat cushion 5 relative spaces are less, can let left and right sides inflation area be full of gas earlier, prevent that driver and conductor's shank from separating to both sides; Be full of gas after the middle inflation area, because driver and conductor's shank is easy to be lifted.
As preferred embodiment a kind of; Said left side constraint sheet 102 and right constraint sheet 103 triangularities; The upper edge of left side constraint sheet 102 and the roof of pneumatophore link to each other and launch afterwards at pneumatophore that said connecting place aligns with a said trench 101 along the vehicle body fore-and-aft direction; The upper edge of right constraint sheet 103 and the roof of pneumatophore link to each other and launch afterwards at pneumatophore that said connecting place aligns with said another trench 101 along the vehicle body fore-and-aft direction; The lower edge of left side constraint sheet 102 and right constraint sheet 103 links to each other along the vehicle body fore-and-aft direction with the diapire of pneumatophore, laterally looks from vehicle body in pneumatophore expansion back and be positioned at said wedge shape in the upper edge of left constraint sheet 102 and right constraint sheet 103.
As preferred embodiment a kind of; Said pneumatophore 1 also comprises: egative film 105, top flat 106, coxopleure 107, left side sheet 108 and right side sheet 109, said egative film 105, top flat 106, coxopleure 107, left side sheet 108, right side sheet 109, left side constraint sheet 102 and right constraint sheet 103 are all made with this area air bag cloth commonly used.Said egative film 105, top flat 106 and coxopleure 107 equal rectangularities; The back edge of egative film 105 and top flat 106 is sewed up and is linked to each other; The edge, front of top flat 106 is sewed up with the upper edge of coxopleure 107 and is linked to each other; The edge, front of egative film 105 is sewed up with the lower edge of coxopleure 107 and is linked to each other; Said left side sheet 108 is identical with size with right side sheet 109 triangularities and the shape of the two; Three edges of left side sheet 108 are sewed up with the left margin of egative film 105, top flat 106 and coxopleure 107 respectively and are linked to each other; Three edges of right side sheet 109 link to each other along sewing up with the right of egative film 105, top flat 106 and coxopleure 107 respectively; Said left side constraint sheet 102 is identical with size with right constraint sheet 103 triangularities and the shape of the two; The triangle area of left side constraint sheet 102 is less than the triangle area of left side sheet 108, and left side constraint sheet 102 and right constraint sheet 103 are arranged between left side sheet 108 and the right side sheet 109 and are parallel with right side sheet 109 with left side sheet 108 when pneumatophore 1 launches, said left side constraint sheet 102 and right constraint sheet 103 after said pneumatophore 1 expansion from the vehicle body coincidence of laterally looking; Said left side sheet 108 and right side sheet 109 launch the back from the vehicle body coincidence of laterally looking at said pneumatophore 1; Said left side constraint sheet 102 launches the back at said pneumatophore 1 and laterally looks from vehicle body and be positioned at inner and the two the corresponding sides of left side sheet 108 along parallel, and three edges of left side constraint sheet 102 are sewed up with coxopleure 107 with egative film 105, top flat 106 respectively and linked to each other, and 107 stitchings link to each other with coxopleure with egative film 105, top flat 106 respectively at three edges of right constraint sheet 103.Three deflation holes 104 are positioned on the egative film 105, and when pneumatophore 1 launched final vacuum, gas was discharged downwards, can not damage the driver and conductor like this.Egative film 105 promptly is the diapire of above-mentioned pneumatophore 1, and top flat 106 promptly is the roof of above-mentioned pneumatophore 1.
As preferred embodiment a kind of, said coxopleure 107 is folded into the wind-box shape of accordion when pneumatophore 1 draws in.The folding mode of the wind-box shape of accordion makes coxopleure 107 more be prone to launch.
As preferred embodiment a kind of, the shape of said left side constraint sheet 102 and right constraint sheet 103 is the triangle that three angles are prescinded.Three inflation area are interconnected, make being more evenly distributed of the interior gas of three inflation area.The shape of left side constraint sheet 102 is shown in the solid line among Fig. 6; Add that the dotted line among Fig. 6 is exactly a complete triangle; Therefore the shape of left side constraint sheet 102 can be regarded a triangle as and prescinded three shapes behind the angle, and this shape that in this embodiment a left side is retrained sheet 102 is called the triangle that three angles are prescinded.Right constraint sheet 103 is identical with the shape of left side constraint sheet 102.
As preferred embodiment a kind of, said seat safety air bag also comprises reinforced sheet 4, and said reinforced sheet 4 is arranged in the pneumatophore 1 and through making and is fixedly mounted on the egative film 105, and said ventilation flue 3 is arranged on the reinforced sheet 4.Because stressed bigger when ventilation flue 3 places are in pneumatophore 1 and launch on the egative film 105 adopts reinforced sheet 4 can strengthen the intensity of egative film 105.
As preferred embodiment a kind of, the triangle size of left side constraint sheet 102 and right constraint sheet 103 is the 60%-90% of the triangle size of left side sheet 108.Above-mentioned data are come out according to test and summary of experience; Experience shows, adopts the setting of above-mentioned data can make two trench 101 adaptive better with driver and conductor's shank, and driver and conductor's shank is effectively raised; Simultaneously be limited finely again, can not separate to both sides.
As preferred embodiment a kind of, said pneumatophore 1 is arranged between seat cushion 5 and the cushion frame 6.Have in the prior art pneumatophore 1 is arranged between seat cushion 5 and the seat epidermis; On the seat epidermis, tear seam is set; Pneumatophore 1 ejects from tear seam when launching, and still, pneumatophore 1 At time of eject directly contacts with driver and conductor's shank; Because therefore the ejection rapid speed of pneumatophore 1 possibly damage driver and conductor's shank.This embodiment is arranged on pneumatophore 1 between seat cushion 5 and the cushion frame 6; When avoiding pneumatophore 1 to launch and driver and conductor's shank direct contact; Avoid the injury that causes thus; Because seat cushion 5 is soft, so two trench 101 of pneumatophore 1 after launching cause still forming similar structures on the seat cushion 5, still can driver and conductor's both legs be limited preferably.
As preferred embodiment a kind of, said cushion frame 6 is provided with the pit suitable with gas generator 2, and said gas generator 2 is fixedly mounted in the said pit.Certainly, because gas generator 2 is positioned at ventilation flue 3, ventilation flue 3 is positioned at pneumatophore 1, thus ventilation flue 3, egative film 105 and reinforced sheet 4 equal some be arranged in said pit.It also is in order to save the space of seat that pit is set; Because most of parts of this seat safety air bag all are that air bag cloth is made into; When pneumatophore 1 draws in, take up room hardly, therefore, be arranged on gas generator 2 in the pit after; Other parts of this seat safety air bag take the inner space of seat hardly, and the structure of seat need not carried out bigger change yet.Gas generator 2 is provided with two screws; Said two screws pass ventilation flue 3, reinforced sheet 4 and egative film 105 and tighten in two tapped bore of said pit; With this gas generator 2 is fixedly mounted in the said pit, simultaneously gas generator 2, ventilation flue 3, reinforced sheet 4 and egative film 105 is interfixed.
During assembling; Earlier gas generator 2 is installed in ventilation flue 3; Ventilation flue 3 is fixed on egative film 105 with reinforced sheet 4; Then a left side is retrained sheet 102 and sew up with egative film 105, top flat 106, coxopleure 107, left side sheet 108 and right side sheet 109 respectively, at last egative film 105, top flat 106, coxopleure 107, left side sheet 108 and right side sheet 109 are sewed up each other with right constraint sheet 103.
State when this seat safety air bag draws in is as shown in Figure 1.When needs launched, gas generator 2 work produced a large amount of gas; Gas enters into three inflation area through ventilation flue 3; Pneumatophore 1 launches, and the pneumatophore 1 of expansion is as shown in Figure 2, and the pneumatophore 1 of expansion is raised driver and conductor's both legs through seat cushion 5; The 101 couples of driver and conductors' of two trench that form on the pneumatophore 1 simultaneously both legs limit, and prevent that both legs from separating to both sides.
The parts that are associated with this seat safety air bag have central processing unit and detecting unit; Detecting unit and gas generator 2 all are electrically connected with central processing unit; The effect of detecting unit is to detect vehicle whether various special statuss (like collision, overturning etc.) have taken place; Central processing unit to detection to information carry out analysis and judgement, whether need make gas generator 2 work (being that pneumatophore 1 ejects) with decision.Concrete ins and outs are ordinary skill in the art, do not give unnecessary details here.
The above is merely preferred embodiments of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. seat safety air bag; Comprise the pneumatophore that is arranged in the seat; It is characterized in that; Said pneumatophore launches its upper surface of back and is formed with two trench that extend along the vehicle body fore-and-aft direction, two trench along vehicle body laterally be set up in parallel and the spacing of two trench and adult two leg spacings when being sitting on the seat suitable.
2. seat safety air bag as claimed in claim 1 is characterized in that, said pneumatophore launches the back and is shaped as wedge shape from what vehicle body was laterally looked, and the front end of said wedge shape is higher than the rear end.
3. seat safety air bag as claimed in claim 2; It is characterized in that; Said pneumatophore comprises the left side constraint sheet and right constraint sheet that is arranged in the pneumatophore; The roof of left side constraint sheet and pneumatophore links to each other and launches afterwards at pneumatophore that said connecting place aligns with a said trench along the vehicle body fore-and-aft direction; The roof of right constraint sheet and pneumatophore links to each other and launches the said connecting place in back at pneumatophore and align with said another trench along the vehicle body fore-and-aft direction, and constraint sheet in a left side also links to each other along the vehicle body fore-and-aft direction with the diapire of pneumatophore with right constraint sheet, and left side constraint sheet and the right side retrain sheet and after the pneumatophore expansion, laterally look from vehicle body and be positioned at said wedge shape; Said left side constraint sheet is parallel to each other after pneumatophore launches with right constraint sheet, and said left side constraint sheet is separated into three along the transversely arranged inflation area of vehicle body with right constraint sheet with pneumatophore.
4. seat safety air bag as claimed in claim 3 is characterized in that, said pneumatophore is provided with three respectively with the deflation hole of said three inflation area and external communications.
5. seat safety air bag as claimed in claim 3; It is characterized in that said seat safety air bag also comprises gas generator and ventilation flue, said ventilation flue is horizontally installed in the pneumatophore along vehicle body; Ventilation flue's both ends open is communicated with the inflation area on the left side and the inflation area on the right respectively; Ventilation flue's sidewall is provided with induction opening, and said induction opening is communicated with middle inflation area, and said gas generator is arranged in the ventilation flue.
6. seat safety air bag as claimed in claim 3; It is characterized in that; Said left side constraint sheet and right constraint sheet triangularity; The upper edge of left side constraint sheet and the roof of pneumatophore link to each other and launch afterwards at pneumatophore that said connecting place aligns with a said trench along the vehicle body fore-and-aft direction; The upper edge of right constraint sheet and the roof of pneumatophore link to each other and launch the said connecting place in back at pneumatophore and align with said another trench along the vehicle body fore-and-aft direction, and the lower edge of left side constraint sheet and right constraint sheet links to each other along the vehicle body fore-and-aft direction with the diapire of pneumatophore, laterally look from vehicle body after the pneumatophore expansion and be positioned at said wedge shape in the upper edge that left side constraint sheet and the right side retrain sheet.
7. seat safety air bag as claimed in claim 6; It is characterized in that; Said pneumatophore also comprises: egative film, top flat, coxopleure, left side sheet and right side sheet; The equal rectangularity of said egative film, top flat and coxopleure, the back edge of egative film and top flat links to each other, and the edge, front of top flat links to each other with episternal upper edge; The edge, front of egative film links to each other with episternal lower edge; Said left side sheet is identical with size with right side sheet triangularity and the shape of the two, and three edges of left side sheet link to each other with egative film, top flat and episternal left margin respectively, and three edges of right side sheet link to each other with egative film, top flat and edge, episternal the right respectively; Constraint sheet in a left side is identical with size with the shape of right constraint sheet; Left side sheet and left side constraint sheet are the triangle area of the triangle area of similar triangle and left side constraint sheet less than the left side sheet, and left side constraint sheet and right constraint sheet are arranged between left side sheet and the right side sheet and to launch the back at pneumatophore parallel with the right side sheet with the left side sheet, said left side constraint sheet with right retrain sheet after said pneumatophore expansion from the vehicle body coincidence of laterally looking; Said left side sheet and right side sheet launch the back from the vehicle body coincidence of laterally looking at said pneumatophore; Said left side constraint sheet launches the back at said pneumatophore and laterally looks from vehicle body and be positioned at inner and the two the corresponding sides of left side sheet along parallel, and three edges of left side constraint sheet link to each other with egative film, top flat and coxopleure respectively, and right three edges that retrain sheet link to each other with egative film, top flat and coxopleure respectively.
8. seat safety air bag as claimed in claim 7 is characterized in that, the shape of said left side constraint sheet and right constraint sheet is the triangle that three angles are prescinded, and right constraint sheet is identical with the shape of left side constraint sheet.
9. seat safety air bag as claimed in claim 7 is characterized in that, said seat safety air bag also comprises reinforced sheet, and said reinforced sheet is arranged in the pneumatophore and is fixedly mounted on the egative film, and said ventilation flue is arranged on the reinforced sheet.
10. seat safety air bag as claimed in claim 7 is characterized in that, the triangle area of left side constraint sheet is the 60%-90% of the triangle area of left side sheet.
11. seat safety air bag as claimed in claim 7 is characterized in that, said coxopleure is folded into the wind-box shape of accordion when pneumatophore draws in.
12. seat safety air bag as claimed in claim 1 is characterized in that said pneumatophore is arranged between seat cushion and the cushion frame.
13. seat safety air bag as claimed in claim 5 is characterized in that, said pneumatophore is arranged between seat cushion and the cushion frame, and said cushion frame is provided with the pit suitable with gas generator, and said gas generator is installed in the said pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110147147.XA CN102806883B (en) | 2011-06-02 | 2011-06-02 | Safety air cushion of seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110147147.XA CN102806883B (en) | 2011-06-02 | 2011-06-02 | Safety air cushion of seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102806883A true CN102806883A (en) | 2012-12-05 |
| CN102806883B CN102806883B (en) | 2015-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110147147.XA Active CN102806883B (en) | 2011-06-02 | 2011-06-02 | Safety air cushion of seat |
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|---|---|
| CN (1) | CN102806883B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002755A (en) * | 2014-06-13 | 2014-08-27 | 芜湖金鹏汽车部件有限公司 | Supplementary restraint system protection device and vehicle seat |
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| CN1654250A (en) * | 2004-02-10 | 2005-08-17 | 高田株式会社 | Occupant protection system |
| CN1785719A (en) * | 2004-12-08 | 2006-06-14 | 高田株式会社 | Passenger-protecting apparatus |
| JP2007168599A (en) * | 2005-12-21 | 2007-07-05 | Toyoda Gosei Co Ltd | Occupant crash protection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002755A (en) * | 2014-06-13 | 2014-08-27 | 芜湖金鹏汽车部件有限公司 | Supplementary restraint system protection device and vehicle seat |
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| Publication number | Publication date |
|---|---|
| CN102806883B (en) | 2015-06-24 |
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