CN203974739U - Air bag for protection device and seat - Google Patents
Air bag for protection device and seat Download PDFInfo
- Publication number
- CN203974739U CN203974739U CN201420317168.0U CN201420317168U CN203974739U CN 203974739 U CN203974739 U CN 203974739U CN 201420317168 U CN201420317168 U CN 201420317168U CN 203974739 U CN203974739 U CN 203974739U
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- airbag
- seat
- air bag
- protection device
- gas generator
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Abstract
The utility model discloses a kind of air bag for protection device and seat.Air bag for protection device comprise bearing base for being connected with seat, for after inflation on occupant's huckle on jack-up seat airbag and be located at the gas generator on bearing base and for inflating to airbag.Air bag for protection device of the present utility model and seat, can more comprehensively protect occupant's safety, has higher passive security performance.
Description
Technical field
The utility model belongs to vehicle passive security technical field, and specifically, the utility model relates to a kind of air bag for protection device and seat.
Background technology
In today of World Auto Industry development and growth, especially along with the continuous popularization of express highway, it has been recognized that the effect due to unexpected factors such as chaufeur itself, road environment, weather, technology state of vehicles, traffic accident can not be avoided completely, occupant's safety while how ensureing collision to greatest extent, the injury that minimizing accident causes, the safety that improves automobile, has important practical significance.Safety has become one of three great development directions of modern automobile technology, and it becomes the priority factors of automotive market competition by substituting quality and price gradually.
The requirement of the passenger protection GB11551-2003 by manned vehicle head-on crash is carried out in the exploitation of air bag system.After coupling air bag system, the main index of improving is head injury criteria and chest harm index, and improving unconspicuous index is leg injury index, and occupant injury index limits meets following table requirement.
Therefore; existing frontal airbag is limited to the leg protection of chaufeur and front-row occupant in the time of vehicle generation head-on crash; only can in airbag deployment process, stop to certain limit chaufeur and front-row occupant body to move forward, leg injury depends on the collision deformation situation of vehicle structure and operator's compartment substantially.
Utility model content
The utility model provides a kind of air bag for protection device and seat, and object is in the time of collision happens, to protect occupant.
To achieve these goals; the technical scheme that the utility model is taked is: air bag for protection device, comprise bearing base for being connected with seat, for after inflation on occupant's huckle on jack-up seat airbag and be located at the gas generator on bearing base and for inflating to airbag.
Described bearing base comprises base plate for being connected with seat and is located at the producer support on base plate, and described gas generator is arranged on producer support.
Described producer support is connected with described base plate by bolt, and producer support is provided with the mounting hole that allows bolt pass.
Described airbag is wrapped in the outside of described gas generator and described producer support, and the part that airbag is positioned at gas generator top is rugosity.
Air bag for protection device also comprises the outsourcing sheet that is wrapped in described airbag outside, and outsourcing sheet is provided with tear line.
Air bag for protection device of the present utility model, by arrange airbag be after inflation upwards jack-up be sitting in the huckle of the occupant on seat, in the time of collision happens, the airbag expansion of upwards expanding, occupant's huckle is elevated, prevent that seat occupant on the seat from, to front lower place slippage, avoiding occupant's head and the parts in chest and vehicle interior front to produce secondary collision, thereby occupant is played a very good protection; Because upwards expanding, airbag launches to make occupant's huckle be elevated together with foot simultaneously; thereby also can prevent the injury producing that is squeezed of occupant's huckle of causing because of collision deformation crew module and foot; thereby can more comprehensively protect occupant's safety, there is higher passive security performance.
The utility model also provides a kind of seat; comprise a portion and be positioned at the air bag for protection device of described seat subordinate side, air bag for protection device comprise bearing base that the crossbeam that arranges with the portion bottom of being present is connected, for after inflation on occupant's huckle on jack-up seat airbag and be located at the gas generator on bearing base and for inflating to airbag.
Described bearing base comprises the base plate that is connected with described crossbeam and is located at the producer support on base plate, and described gas generator is arranged on producer support.
Described airbag is wrapped in the outside of described gas generator and described producer support, and the part that airbag is positioned at gas generator top is rugosity.
Described air bag for protection device also comprises the outsourcing sheet that is wrapped in described airbag outside, and outsourcing sheet is provided with tear line.
Described seat portion comprises the covering of inner liner and parcel inner liner, and the position Thickness Ratio remainder thickness that inner liner is positioned at described air bag for protection device top is little, on covering to being provided with tear line in the little position of thickness.
Seat of the present utility model, by air bag for protection device is set, and by arrange the airbag of air bag device be after inflation upwards jack-up sit occupant's on the seat huckle, in the time of collision happens, the airbag expansion of upwards expanding, occupant's huckle is elevated, and prevents from sitting occupant on the seat to front lower place slippage, avoid occupant's head and the parts in chest and vehicle interior front to produce secondary collision, thereby occupant is played a very good protection; Because upwards expanding, airbag launches to make occupant's huckle be elevated together with foot simultaneously; thereby also can prevent the injury producing that is squeezed of occupant's huckle of causing because of collision deformation crew module and foot; thereby can more comprehensively protect occupant's safety, make seat also there is higher passive security performance.
Brief description of the drawings
This specification sheets comprises the following drawings, shown in content respectively:
Fig. 1 is the structural representation of air bag for protection device;
Fig. 2 is the cutaway view of air bag for protection device;
Fig. 3 is the structural representation that air bag for protection device expands after launching at airbag;
Fig. 4 is the assembly drowing of producer support and gas generator;
Fig. 5 is the structural representation of producer support;
Fig. 6 is the structural representation after airbag tiling launches;
Fig. 7 is the structural representation of seat;
Fig. 8 is the structural representation of seat in the time of tilt state;
Fig. 9 is the structural representation that seat expands after launching at airbag;
Figure 10 is the pressue-graph of gas generator;
In figure, be labeled as:
1, outsourcing sheet; 2, airbag; 3, bearing base; 31, base plate; 32, producer support; 33, bolt; 34, nut; 35, spacer; 36, knock hole; 37, elongated slot; 4, gas generator;
5, seat portion; 51, crossbeam; 52, covering; 53, inner liner; 54, skeleton; 6, back; 7, bundle assembly.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, detailed description of the invention of the present utility model is described in further detail, and object is to help those skilled in the art to have more complete, accurate and deep understanding to design of the present utility model, technical scheme, and contributes to its enforcement.
As shown in Figures 1 to 6, a kind of air bag for protection device of the utility model, for being installed to the seat of vehicle interior, the occupant in car is played a protective role when the collision happens.This air bag for protection device comprise bearing base 3 for being connected with seat, for after inflation on occupant's huckle on jack-up seat airbag 2 and be located on bearing base 3 and for the gas generator 4 to airbag 2 inflations.
Specifically, bearing base 3 comprises base plate for being connected with seat 31 and is located at the producer support 32 on base plate 31, and gas generator 4 is arranged on producer support 32.Producer support 32 is that the fastener by being made up of with nut 34 bolt 33 is connected with base plate 31, and producer support 32 and base plate 31 are provided with the mounting hole that allows bolt 33 pass, simple in structure, easy for installation.Base plate 31 is a block length rectangular plate, producer support 32 is the tops that are positioned at base plate 31, gas generator 4 is columnar structure, length is longer, therefore the length of the length of producer support 32 and gas generator 4 is roughly suitable, gas generator 4 is horizontal on producer support 32, and the length direction of gas generator 4 parallels with the length direction of producer support 32 and base plate 31.
For the ease of arranging gas generator 4; reduce the volume of air bag for protection device; so that its compact conformation; on producer support 32, be provided with the elongated slot 37 for holding gas generator 4; the producer support 32 forming is the unlimited housing shape structure in top; gas generator 4 is horizontal in this elongated slot 37; one end of gas generator 4 is provided with the screw rod through producer support 32 end baffle; the position cover that this screw rod stretches out outside elongated slot 37 has a nut; by fastening nut, gas generator 4 is fastened on producer support 32.The other end of gas generator 4 is bundle assembly 7, and this bundle assembly 7, for being connected with the air spring control on vehicle, sends ignition signal to control the ignition of gas generator 4 by air spring control, and this point is identical with prior art.
In the present embodiment, producer support 32 is that two fasteners by being made up of with nut 34 bolt 33 are connected with base plate 31, on the corresponding inner bottom part at producer support 32 and base plate 31, be respectively equipped with two mounting holes that allow bolt 33 pass, two mounting holes on base plate 31 are respectively near the two ends of base plate 31, and two nuts 34 are to be tightened in respectively on two bolts 33 in the bottom of base plate 31.
In addition, as shown in Figure 4 and Figure 5, also be provided with a location 35 in the bottom of producer support 32, this location 35 is to extend towards the below of producer support 32 along the direction parallel with bolt 33, on base plate 31, be provided with one and allow location 35 knock holees that pass 36, this location 35 is installation sites of determining producer support 32 while installing for producer support 32.The position of this location 35 is between two mounting holes on producer support 32, and and distance between the mounting hole of both sides is not etc., the position of the knock hole 36 in associated floor 31 is also between two mounting holes on base plate 31, with location 35 aligned in position.
Be illustrated in figure 6 the airbag 2 of safety air bag protecting device employing at the structural representation tiling after launching, 2 of this airbags lower end in shown position is provided with a sack, be used for being inserted in the parts such as gas generator 4 and producer support 32, on the both sides bag at airbag 2 sack places, be respectively equipped with two through holes that allow bolt 33 pass, put into after airbag 2 at the assembly that when assembling is connected to form gas generator 4 and producer support 32, make two bolts 33 on producer support 32 pass respectively two through holes on airbag 2 both sides bags, also to make the location 35 of producer support 32 bottoms pass from airbag 2 simultaneously.Therefore, as shown in Figure 2, airbag 2 is the outsides that are wrapped in gas generator 4 and producer support 32, the both sides pocket portion at the sack place of airbag 2 is the belows that are pressed in gas generator 4, and the part that airbag 2 is positioned at gas generator 4 tops is to be rugosity, specifically adopt the folded method of Z-direction to fold, make the major part of airbag 2 be stacked on the top of gas generator 4, like this after gas generator 4 is detonated, gas generator 4 is at the inner high pressure gas that discharge of airbag 2, the high pressure gas that discharge can be full of airbag 2 fast, make airbag 2 expansion of upwards expanding.
On airbag 2, be also provided with the deflation hole of two diameter 5mm, for inner high pressure gas are outwards slowly discharged, gas is discharged according to damping principle, makes collision machine can be converted into gas heat energy.
In the present embodiment, airbag 2 is to adopt with the PA6 nylon cloth of silicon coating to make, and can ensure that the pressure of airbag 2 gases can not be lost with the nylon cloth of silicon coating, secondly ensures that large pressure airbag 2 can not break.
Safety air bag protecting device also comprises an outsourcing sheet 1 that is wrapped in airbag 2 outsides; this outsourcing sheet 1 has been the fully enclosed; parcel airbag 2 makes airbag 2 keep the state of folding compression, reduces the overall volume of air bag for protection device, makes it easy to arrange on seat.Stop airbag 2 expansion of upwards expanding for fear of outsourcing sheet 1, on outsourcing sheet 1, to be provided with tear line, this tear line is mainly provided in a side of the top of outsourcing sheet 1, it is to guarantee that outsourcing sheet 1 can be easily by airbag 2 burstings that tear line is set, guarantee that airbag 2 fast aeration eject, as shown in Figure 3, the length of the airbag 2 after launching that expands will meet the requirement of upwards lifting two huckles of occupant to the structure of the safety air bag assurance device after airbag 2 expansions launch simultaneously.
In addition, as shown in Figure 2, be also provided with in the bottom of outsourcing sheet 1 and allow bolt 33 and location 35 through holes that pass, also will offer the through hole that wire harness that transference gas generator 4 connects passes in the bottom of outsourcing sheet 1.After the nut 34 tighting a bolt on 33, producer support 32 is fixed on base plate 31, clamped being fixed between producer support 32 and base plate 31 of both sides pocket portion at the sack place of the bottom of outsourcing sheet 1 and airbag 2.
As shown in Figure 7 to 9, be a kind of seat of the utility model, comprise back 6, seat portion 5 and air bag for protection device, this air bag for protection device is the air bag for protection device described in above-described embodiment, its concrete structure as shown in Figures 1 to 6.
As shown in Figure 8; as preferably; air bag for protection device is the below that is positioned at seat support portion 5, makes air bag for protection device upright huckle to occupant under the occupant who is sitting in a portion 5, guarantees the upwards jack-up occupant huckle of airbag 2 after inflation.
Concrete, the seat portion 5 of seat is mainly made up of steel skeleton 54 and inner liner 53, and the general elastic bodys such as sponge that adopt of inner liner 53 are made.The bottom of present portion 5, is positioned at inner liner 53 belows and is provided with a crossbeam 51, and the two ends of this crossbeam 51 are to be fixed on the skeleton 54 of both sides, and this crossbeam 51 is as the anti-bar of diving below seat, and its length direction is also parallel with the Width of seat portion 5.The base plate 31 of air bag for protection device is to be fixedly mounted on crossbeam 51, and the length direction of base plate 31 is parallel with the length direction of crossbeam 51.
Be provided with to the passage being recessed in the bottom surface of inner liner 53, this passage is the outsourcing sheet 1 for holding air bag for protection device, and outsourcing sheet 1 upwards inserts in the passage of inner liner 53 together with the top of airbag 2.Because inner liner 53 inside are provided with passage; make inner liner 53 be positioned at the position Thickness Ratio remainder thickness of air bag for protection device top little; the little 37mm of preferred thickness; make the top thickness at passage place less; like this air bag can be easily after expanding in passage the less part of the thickness of jack-up inner liner 53 upwards; the less part of thickness of inner liner 53 is upwards swelled, then can make two huckles of occupant upwards lift.
As shown in Figure 7, seat portion 5 also comprises the covering 52 that wraps up inner liner 53, covering 52 covers on the upper surface of inner liner 53 the little position of thickness in the inner liner 53 below correspondence and is provided with tear line at inner liner 53 tops, similar with the tear line principle arranging on outsourcing sheet 1, tear line is set is for fear of covering 52 and stop airbag 2 expansion of upwards expanding, guarantee that covering 52 can be easily by airbag 2 and inner liner 53 burstings at the position at tear line place, guarantee airbag 2 fast aeration eject (shown in Fig. 9 under state not shown upwards protuberance inner liner 53 parts).As preferably, the tear line on covering 52 is to extend along the direction parallel with crossbeam 51 length directions.
In the present embodiment, the volume of the airbag 2 that air bag for protection device adopts is 15 liters of left and right, and the part that airbag 2 expands after launching is of a size of: length is 450mm, and width is 60mm, is highly 120mm.The top that airbag 2 expands after launching exceeds 70mm than the upper surface of the covering of seat 52, guarantees that occupant's huckle can be lifted to enough height.
Figure 10 shows that pressure curve and the mass flow curve of gas generator 4, wherein discharging after gas 10ms, the pressure of gas can reach 140kpa, and pressure can maintain 30ms left and right afterwards.
The principle of work of the air bag for protection device on this seat is: in the time of collision happens; air spring control sends ignition signal; gas generator 4 is detonated; produce high pressure gas; high pressure gas are filled into airbag 2 the insides, and airbag 2 rapid expanding are launched, and airbag 2 is the tear line on jack-up inner liner 53 bursting seat covering 52 upwards; two huckles of occupant are elevated like this, prevent that occupant from producing slippage on the seat downwards.Protect occupant's chest and head, avoided occupant's head and chest and automotive upholstery to produce collision for the second time.Simultaneously also can prevent that automobile from bumping time, crew module produces distortion, causes occupant's thigh and foot to be squeezed and the injury that produces.The pressure of airbag 2 the insides that expands after launching is the highest can reach 140kpa, and guarantees that airbag 2 maintains full state 90ms, and the high pressure gas of final airbag 2 inside is known from experience deflation hole by two diameter 5mm slowly discharge.
The air bag for protection device of said structure has advantages of that cost is low and easy for installation, is applied in the effect that can play protection on seat in the time of collision happens to occupant.There is following marked improvement with the safety air bag ratio of present automobile passive safety system:
1, cost ratio safety air bag wants cheap.The every cover of existing safety air bag (DAB+PAB+ECU+SW) is not 900 yuan of left and right containing the price of tax, and the every cover of air bag for protection device does not contain the general 150 yuan of left and right of price of tax.
2, the gas generator that air bag for protection device adopts is mixture gas producer; put the quick-fried large sound that do not have; the pyrotechnic producer adopting than prior art, air bag for protection device, occurring can not produce large sound while losing heart, can not produce occupant and air-polluting gas yet.After existing safety air bag detonates, can produce large sound, can damage occupant's ear, secondly safety air bag can produce occupant and air-polluting gas after detonating.A huge progress as can be seen here.
3, air bag for protection device is in the time that automobile bumps, and no matter what state of occupant, can implement protection to occupant.But existing safety air bag is in the time that automobile bumps, if occupant's safety belt buckling free or abnormal sitting posture, safety air bag can damage occupant.
Below by reference to the accompanying drawings the utility model is exemplarily described.Obviously, the utility model specific implementation is not subject to the restrictions described above.As long as having adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; Or without improvement, above-mentioned design of the present utility model and technical scheme are directly applied to other occasion, all within protection domain of the present utility model.
Claims (10)
1. air bag for protection device, is characterized in that: comprise bearing base for being connected with seat, for after inflation on occupant's huckle on jack-up seat airbag and be located at the gas generator on bearing base and for inflating to airbag.
2. air bag for protection device according to claim 1, is characterized in that: described bearing base comprises base plate for being connected with seat and be located at the producer support on base plate, and described gas generator is arranged on producer support.
3. air bag for protection device according to claim 2, is characterized in that: described producer support is connected with described base plate by bolt, and producer support is provided with the mounting hole that allows bolt pass.
4. according to the air bag for protection device described in claim 2 or 3, it is characterized in that: described airbag is wrapped in the outside of described gas generator and described producer support, and the part that airbag is positioned at gas generator top is rugosity.
5. air bag for protection device according to claim 4, is characterized in that: also comprise the outsourcing sheet that is wrapped in described airbag outside, outsourcing sheet is provided with tear line.
6. seat; comprise a portion; it is characterized in that: also comprise the air bag for protection device that is positioned at described seat subordinate side, air bag for protection device comprise bearing base that the crossbeam that arranges with the portion bottom of being present is connected, for after inflation on occupant's huckle on jack-up seat airbag and be located at the gas generator on bearing base and for inflating to airbag.
7. seat according to claim 6, is characterized in that: described bearing base comprises the base plate that is connected with described crossbeam and be located at the producer support on base plate, and described gas generator is arranged on producer support.
8. seat according to claim 7, is characterized in that: described airbag is wrapped in the outside of described gas generator and described producer support, and the part that airbag is positioned at gas generator top is rugosity.
9. according to the seat described in claim 7 or 8, it is characterized in that: described air bag for protection device also comprises the outsourcing sheet that is wrapped in described airbag outside, and outsourcing sheet is provided with tear line.
10. according to the arbitrary described seat of claim 6 to 9; it is characterized in that: described seat portion comprises the covering of inner liner and parcel inner liner; the position Thickness Ratio remainder thickness that inner liner is positioned at described air bag for protection device top is little, on covering to being provided with tear line in the little position of thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420317168.0U CN203974739U (en) | 2014-06-13 | 2014-06-13 | Air bag for protection device and seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420317168.0U CN203974739U (en) | 2014-06-13 | 2014-06-13 | Air bag for protection device and seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203974739U true CN203974739U (en) | 2014-12-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420317168.0U Active CN203974739U (en) | 2014-06-13 | 2014-06-13 | Air bag for protection device and seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203974739U (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 |
-
2014
- 2014-06-13 CN CN201420317168.0U patent/CN203974739U/en active Active
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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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |