CN103085755A - Airbag device for knee - Google Patents
Airbag device for knee Download PDFInfo
- Publication number
- CN103085755A CN103085755A CN2011103452670A CN201110345267A CN103085755A CN 103085755 A CN103085755 A CN 103085755A CN 2011103452670 A CN2011103452670 A CN 2011103452670A CN 201110345267 A CN201110345267 A CN 201110345267A CN 103085755 A CN103085755 A CN 103085755A
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- air bag
- safety air
- airbag device
- folding position
- knee
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Abstract
The invention relates to an airbag device for knees. The airbag of the airbag device can spread upward to protect knees of passengers instead of drooping down. The airbag device for knees includes an instrument panel and an airbag, and the airbag is mounted on the inner lower side of the instrument panel, dilates with air and spreads towards the upper side outside the instrument panel. Furthermore, the lower portion of the airbag is larger than the upper portion of the airbag after spreading, so the airbag can spread upward in a bend mode, and a folded part is positioned on the lower portion of the airbag and spreads with the spreading of the airbag.
Description
Technical field
The present invention relates to knee airbag device, and specifically air bag device not toward sagging, upwards launches, and can be arranged at the knee airbag device between instrument carrier panel and occupant's knee.
Background technology
Generally, be equipped with all on automobile that when having an accident, gas flows into air bag device from charging blower, the safety device that makes safety air bag expand the protection occupant is air bag device.
These air bag devices are installed on each position of automobile as required, common are at present: for the navigating mate of protection on operator's saddle is arranged on operator's saddle air bag device on bearing circle, is arranged on operator's saddle air bag device on glove box, takes the curtain airbag people's side installed along purline for protection, is arranged on for protection occupant knee the knee airbag device of instrument carrier panel inside etc. for protection copilot occupant.
Wherein, above-mentioned knee airbag device is the lower end installation airbag covering in above-mentioned instrument carrier panel inside; taking in gas generator on outer cover is charging blower and above-mentioned safety air bag; when automobile had an accident, the gas that produces from above-mentioned charging blower flowed into the effect that above-mentioned safety air bag expansion launched and played protection occupant knee.
But above-mentioned knee airbag device generally is arranged on below above-mentioned instrument carrier panel, and its position is lower than occupant's knee height; therefore play a protective role for the knee of above-mentioned safety air bag to the occupant; should prevent that locking apparatus down hangs down, upwards launch, be between above-mentioned instrument carrier panel and occupant's knee.
Summary of the invention
The objective of the invention is, for solving the sagging problem of safety air bag, with protection occupant knee, and provide the knee airbag device that can upwards launch.
The technical problem to be solved in the present invention is not limited to above-mentioned problem, clearly narrates for the practitioner in following content about other problem.
The present invention solves the problems of the technologies described above the technical scheme that adopts to be achieved in that knee airbag device according to the embodiment of the present invention, comprise: be installed on the downside in instrument carrier panel and above-mentioned instrument carrier panel, gas expands after flowing into, safety air bag to above-mentioned instrument carrier panel external upper expansion, and above-mentioned safety air bag is below than the upper length of side, make above-mentioned safety air bag K/UP launch to be between above-mentioned instrument carrier panel and occupant's knee, folding position above-mentioned safety air bag below, stretch during above-mentioned air-bag deployment thereupon.
The particular content of other embodiment illustrate and accompanying drawing in narrate.
The beneficial effect of the knee airbag device that the present invention relates to is; at first safety air bag below than the upper length of side; above-mentioned safety air bag have below an above-mentioned safety air bag extensible folding position; therefore during above-mentioned air-bag deployment; above-mentioned folding position can be stretched, above-mentioned safety air bag below than the upper length of side, above-mentioned safety air bag K/UP launches; be between instrument carrier panel and occupant's knee, make above-mentioned air-bag deployment to the position that can protect occupant's knee.
And above-mentioned folding position makes the upper and lower limit of above-mentioned safety air bag equally long from forming, and can get above-mentioned airbag fold very smoothly, makes the folding easier of above-mentioned safety air bag.
Beneficial effect of the present invention is not limited to above-mentioned effect, as for NM other effect, but understands in the narrating content of practitioner's Accessory Right claimed range.
Description of drawings
Fig. 1 means the side cross-sectional view of operating state of the knee airbag device of the embodiment of the present invention;
The side cross-sectional view of state before in Fig. 2 presentation graphs 1, graphic safety air bag expands;
Fig. 3 is the planar view of graphic safety air bag in Fig. 2;
Fig. 4 is the planar view of graphic lower faceplate in Fig. 2;
Fig. 5 is from the safety air bag of the A direction observation of Fig. 1 and the figure of instrument carrier panel.
[main nomenclature]
1: instrument carrier panel 10: safety air bag
12: folding position 16: top panel
18: lower faceplate 100: knee airbag device.
The specific embodiment
Usefulness of the present invention and feature and implementation method thereof are seen accompanying drawing and the embodiment that is described in detail later.But the invention is not restricted to the embodiment of following expansion, can express with mutually different various ways, the present embodiment adopts the mode of narration fully, be convenient to grasp the technical field of the invention routine and know that the knowledgeable clearly understands the category of invention, the present invention just defines in the category of claim.Same reference marks in specification sheets refers to same constituent element.
Describe below with reference to the knee airbag device of accompanying drawing to the embodiment of the present invention.
Fig. 1 means the side cross-sectional view of knee airbag device 100 operating states of the embodiment of the present invention.
According to Fig. 1, the knee airbag device 100 of the embodiment of the present invention is installed on instrument carrier panel (instrument panel) 1 inside, and gauge panel, audio devices and interior environment system also are equipped with in instrument carrier panel inside.
Knee airbag device 100 be installed in instrument carrier panel 1 below, the position of instrument carrier panel is lower than occupant's knee position height, safety air bag 10 can be protected to instrument carrier panel 1 external expansion occupant's knee when automobile has an accident.
Knee airbag device 100 comprises the safety air bag shell 20 that is arranged at instrument carrier panel 1 inner lower, and folded safety air bag shell 20 the insides of being accommodated in, in case inflow gas expand, to the safety air bag 10 of instrument carrier panel 1 external expansion.
The upside of safety air bag 10 has the inflator hole 15 of inflow gas, and connecting gas generator on inflator hole 15 is charging blower (not shown).
But safety air bag 10 is installed on instrument carrier panel 1 inner face downside, and therefore the instrument carrier panel position for safety air bag 10 protection occupants' knee, should launch to upside from instrument carrier panel 1 downside lower than occupant's knee height, is in the position between instrument carrier panel 1 and occupant's knee.
Fig. 2 means the side cross-sectional view of state before in Fig. 1, graphic safety air bag 10 expands, and Fig. 3 is the planar view of graphic safety air bag 10 in Fig. 2, and Fig. 4 is the planar view of graphic lower faceplate 18 in Fig. 2.
According to Fig. 2 or Fig. 4, sagging in order to prevent safety air bag 10, launch to the upside of instrument carrier panel 1 outside, the downside of safety air bag 10 is longer than upside, safety air bag 10 safety air bag 10 expansion is arranged below the time the folding position 12 that can stretch out.
In other words, from charging blower 30 inflow gas, after stretch at folding position 12, safety air bag 10 below can be than the upper length of side, and the tension force (tension) of length shorter top is greater than below, and safety air bag 10 is upwards launched during lateral bend, is in the position between instrument carrier panel 1 and occupant's knee.
In other words, safety air bag 10 is that top panel 16 and lower faceplate 18 become one, be as the criterion with central part 14, top panel 16 from lower faceplate 18 tops begin folding after, to sewing up 11 on every side and form except central part.
As mentioned above, after safety air bag 10 exhibitions, lower faceplate 18 can be relative with occupant's knee, and 16 of top panels are relative with instrument carrier panel 1.
When folding position 12 is folded, top panel 18 is the same with top panel 16 long.In other words, folding position 12 is below at safety air bag 10, can make upper and lower limit equally long, makes safety air bag 10 smooth, therefore safety air bag 10 is folded up the folding work that takes in safety air bag shell 20, can simply carry out with machine.
The manufacturing process of the below's narration safety air bag 10.
At first, the lower faceplate in safety air bag 10 18 is with the folding position 12 of used partially folded formation.Three folding positions 12 isolation formation are mutually arranged in the present embodiment.
Folding position 12 forms continuously from the left-hand right side of lower faceplate 18.
Then, the part that will use as top panel 16 in safety air bag 10 is as the criterion with central part 14, begins to fold from lower faceplate 18 tops, and top panel 16 and lower faceplate 18 are joined.
Then, top panel 16 joins with lower faceplate 18, and the peripheral part except central part 14 sews up 11 can complete airbag cushion 10.When sewing up 11 top panels 16 and lower faceplate 18, the left side and the right at folding position 12 are also sewed up 11 together, left and right limit and the top panel 16 at folding position 12 are joined.
As mentioned above, after the left and right limit at folding position 12 and top panel 16 joined, when safety air bag 10 expanded, the left side and the right at folding position 12 can be stretched a little, and the central part at folding position 12 stretches at most, makes the central part of safety air bag 10 lower faceplates 18 expand at most.
Fig. 5 is from the safety air bag 10 of the A direction observation of Fig. 1 and the index map of instrument carrier panel 1.
As mentioned above, the central part of lower faceplate 18 expands at most, and as shown in Figure 5, launch to instrument carrier panel 1 is crooked on the left side of safety air bag 10 and right side, to occupant's knee position projection.In other words; instrument carrier panel 1 is the shape of protruding to occupant's knee, and safety air bag 10 is also corresponding with the shape of instrument carrier panel 1, is launched into to the shape of occupant's knee projection; therefore safety air bag 10 can almost be pressed close to instrument carrier panel 1, thereby more effectively protects occupant's knee.
According to the embodiments of the invention that consist of as mentioned above, the effect of knee airbag device 100 is as follows.
At first, automobile has an accident, and from above-mentioned charging blower generation gas, flows in safety air bag 10, and safety air bag 10 is expanded.
At this moment, the folding position 12 of the following formation of safety air bag 10 begins to stretch, make safety air bag 10 below than the upper length of side, the tension force of top is greater than below, and K/UP launches.
When stretch at folding position 12, central part stretches manyly than the limit, left and right, the limit, left and right of safety air bag 10 is upwards curved, after launching fully Deng airbag cushion 10, corresponding with the shape of instrument carrier panel 1, make top panel 16 more press close to instrument carrier panel 1, more protrude than left and right limit and towards occupant's knee and lower faceplate 18 is its central parts.
As mentioned above; knee airbag device 100 according to the present invention is to be between instrument carrier panel 1 and occupant's knee; outside after safety air bag 10 launches, occupant's knee being played a protective role, almost press close to instrument carrier panel 1 and more effectively protect occupant's knee.
And folding position is arranged on the lower faceplate 18 longer than top panel 16, make the length of lower faceplate 18 consistent with the length of top panel 16, safety air bag 10 thereby more smooth can utilize machine to make foldable safe air bag 10 take in the work of safety air bag shell 20 easier.
The conventional knowledge of technical field under GPRS the present invention just can understand that the present invention can with other concrete form enforcement, need not change the feature of its technical conceive or necessity.Therefore above-described embodiment just belongs to example, does not limit.Show in the claim scope of the main narration in the back of scope of the present invention, the meaning of Accessory Right claimed range and scope with and equal concept all changes or the deformed shape that draw, ought to belong to scope of the present invention.
Claims (8)
1. a knee airbag device, is characterized in that, comprises:
Be installed on the downside in instrument carrier panel, gas expands after flowing into, to the safety air bag of above-mentioned instrument carrier panel external upper expansion,
And for described safety air bag K/UP launches, be between described instrument carrier panel and occupant's knee, described safety air bag below than the upper length of side,
Described safety air bag have below a folded folding position, stretch when making described air-bag deployment thereupon.
2. knee airbag device according to claim 1, is characterized in that, the described safety air bag at described folding position below the same with the top of described safety air bag long.
3. knee airbag device according to claim 1, is characterized in that, protrude the inside to described safety air bag after described folding position is folded.
4. knee airbag device according to claim 1, it is characterized in that, described safety air bag comprises: the lower faceplate that described folding position forms, and begin to fold up from described lower faceplate, join with described lower faceplate and the upper panel that becomes one with described lower faceplate.
5. knee airbag device according to claim 4, is characterized in that, folding rear described lower faceplate and the described top panel at described folding position.
6. knee airbag device according to claim 4, is characterized in that, described folding position is to form continuously to the right from the left side beginning of described lower faceplate, and the left and right side at described folding position combines with described top panel.
7. knee airbag device according to claim 6, it is characterized in that, described top panel to sewing up around described top panel and lower faceplate, makes the left and right side at described folding position combine with described top panel after described lower faceplate begins to fold.
8. knee airbag device according to claim 4, is characterized in that, the folding backward described top panel in described folding position protrudes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103452670A CN103085755A (en) | 2011-11-04 | 2011-11-04 | Airbag device for knee |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103452670A CN103085755A (en) | 2011-11-04 | 2011-11-04 | Airbag device for knee |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103085755A true CN103085755A (en) | 2013-05-08 |
Family
ID=48199033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103452670A Pending CN103085755A (en) | 2011-11-04 | 2011-11-04 | Airbag device for knee |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103085755A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105579300A (en) * | 2013-08-23 | 2016-05-11 | Trw汽车股份有限公司 | Airbag |
| CN112141037A (en) * | 2019-06-26 | 2020-12-29 | 丰田合成株式会社 | Knee protection airbag device |
Citations (7)
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| US20030030255A1 (en) * | 2001-08-10 | 2003-02-13 | Takata Corporation | Leg protection device for vehicle occupant |
| CN1958352A (en) * | 2005-11-02 | 2007-05-09 | 高田株式会社 | Gasbag device |
| CN1962323A (en) * | 2004-11-12 | 2007-05-16 | 高田-彼得里（乌尔姆）有限公司 | Air bag device |
| CN101258061A (en) * | 2005-09-07 | 2008-09-03 | 高田-彼得里公开股份有限公司 | In particular, for protecting the knee area of a vehicle occupant |
| JP2010000825A (en) * | 2008-06-18 | 2010-01-07 | Toyota Motor Corp | Knee airbag device for driver's seat |
| CN101767568A (en) * | 2004-11-12 | 2010-07-07 | 高田-彼得里公开股份有限公司 | Airbag device |
| US20110260436A1 (en) * | 2010-04-27 | 2011-10-27 | Park Hae Kwon | Passenger airbag apparatus |
-
2011
- 2011-11-04 CN CN2011103452670A patent/CN103085755A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030030255A1 (en) * | 2001-08-10 | 2003-02-13 | Takata Corporation | Leg protection device for vehicle occupant |
| CN1962323A (en) * | 2004-11-12 | 2007-05-16 | 高田-彼得里（乌尔姆）有限公司 | Air bag device |
| CN101767568A (en) * | 2004-11-12 | 2010-07-07 | 高田-彼得里公开股份有限公司 | Airbag device |
| CN101258061A (en) * | 2005-09-07 | 2008-09-03 | 高田-彼得里公开股份有限公司 | In particular, for protecting the knee area of a vehicle occupant |
| CN1958352A (en) * | 2005-11-02 | 2007-05-09 | 高田株式会社 | Gasbag device |
| JP2010000825A (en) * | 2008-06-18 | 2010-01-07 | Toyota Motor Corp | Knee airbag device for driver's seat |
| US20110260436A1 (en) * | 2010-04-27 | 2011-10-27 | Park Hae Kwon | Passenger airbag apparatus |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105579300A (en) * | 2013-08-23 | 2016-05-11 | Trw汽车股份有限公司 | Airbag |
| CN112141037A (en) * | 2019-06-26 | 2020-12-29 | 丰田合成株式会社 | Knee protection airbag device |
| CN112141037B (en) * | 2019-06-26 | 2023-01-13 | 丰田合成株式会社 | Knee protection airbag device |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130508 |
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| WD01 | Invention patent application deemed withdrawn after publication |