CN112622800A - Knee airbag structure and vehicle - Google Patents
Knee airbag structure and vehicle Download PDFInfo
- Publication number
- CN112622800A CN112622800A CN202011536639.3A CN202011536639A CN112622800A CN 112622800 A CN112622800 A CN 112622800A CN 202011536639 A CN202011536639 A CN 202011536639A CN 112622800 A CN112622800 A CN 112622800A
- Authority
- CN
- China
- Prior art keywords
- airbag
- external
- knee airbag
- drawstring
- stretching strap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/205—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in dashboards
- B60R21/206—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in dashboards in the lower part of dashboards, e.g. for protecting the knees
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R2021/23169—Inflatable members characterised by their shape, construction or spatial configuration specially adapted for knee protection
Abstract
The invention discloses a knee airbag air bag structure and a vehicle, wherein the knee airbag air bag structure comprises a knee airbag air bag body and an external drawstring; the knee airbag body is provided with a first airbag part and a second airbag part, the first airbag part is close to the shell assembly, and the second airbag part is connected with the first airbag part and forms a corner with the first airbag part; the external stretching strap comprises a left external stretching strap and a right external stretching strap, one end of the left external stretching strap and one end of the right external stretching strap are respectively and correspondingly fixed at the left side and the right side of the first air bag part of the knee air bag body, and the other end of the left external stretching strap and the other end of the right external stretching strap are respectively and correspondingly fixed at the left end and the right end of the shell assembly. The knee airbag structure of the invention can better control the expansion forms of the first airbag part and the second airbag part and improve the bag shape stability.
Description
Technical Field
The invention relates to the technical field of automobile knee airbags, in particular to a knee airbag structure and a vehicle.
Background
In recent years, users have increasingly demanded higher safety of automobiles. In addition to active safety, higher demands are made on the deployment rate of passive safety, in particular airbags. The disposition rate of knee gasbag in whole car at present constantly promotes, and knee gasbag follows center console below position and is close to knee position and expand, and the purpose is on dispersing passenger's both legs with the impact force when taking place the accident to reduce the shank and receive the injury, because the displacement of control shank, can also reduce the secondary impact force to belly and chest. However, in the limited space of the knee and the center console, the knee airbag needs to be deployed in a specified time, and the airbag is ensured to be strictly deployed according to a set deployment state, so that the protection bag type is finally achieved.
At present, knee airbag air bags on the market mainly control the bag unfolding type of the air bag through an internal air flow guide structure, an internal drawstring and a folding mode, but after various modeling spaces exist between the knees of passengers and a center console, the requirements on the unfolding form path of the air bag and the state of the final bag type are higher, so that the air bag has defects only through the internal structural form of the air bag.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Accordingly, an object of the present invention is to provide a knee airbag structure in which the deployment states of the first and second airbag portions can be controlled more effectively and the bag stability can be improved.
The knee airbag bag structure according to the embodiment of the first aspect of the invention includes:
the knee airbag comprises a knee airbag body, a first airbag part and a second airbag part, wherein the first airbag part is close to the shell assembly, and the second airbag part is connected with the first airbag part and forms a corner with the first airbag part;
the external stretching strap, external stretching strap includes the external stretching strap in left side and the external stretching strap in right side, the external stretching strap in left side with the one end of the external stretching strap in right side is fixed respectively correspondingly knee gasbag air pocket body the left and right sides department of first gasbag portion, the external stretching strap in left side with the other end of the external stretching strap in right side is fixed respectively correspondingly on the left end and the right end of casing assembly.
According to the knee airbag structure of the first aspect of the invention, the left external drawstring and the right external drawstring are respectively and correspondingly fixed on the left side and the right side of the first airbag portion of the knee airbag body, the knee airbag body is folded and placed into the shell assembly according to the design state, the first airbag portion is close to the shell assembly, and the other ends of the left external drawstring and the right external drawstring are respectively and correspondingly fixed on the left end and the right end of the shell assembly, so that during the inflation of the knee airbag body, gas enters the second airbag portion from the first airbag portion to inflate and deploy the knee airbag body, at the moment, the knee airbag body can be restrained by the left external drawstring and the right external drawstring to control the deployment state of the first airbag portion and the second airbag portion, when the first airbag portion and the second airbag portion reach the full state, the left external drawstring and the right external drawstring can restrain the knee airbag body so as to effectively control the stability of the first airbag part and the second airbag part. In summary, the knee airbag structure according to the embodiment of the first aspect of the invention can better control the deployment states of the first and second airbag portions and improve the bag shape stability.
According to one embodiment of the first aspect of the present invention, one end of the left and right outboard draw tapes is adjacent to the corner.
According to a further embodiment of the first aspect of the present invention, one end of the left external pull strap and one end of the right external pull strap are respectively fixed on the first air bag portion by sewing.
According to some embodiments of the first aspect of the present invention, the housing assembly has holes at left and right ends thereof, and the left and right external drawstrings are respectively fixed through the holes at the left and right ends of the housing assembly.
According to a further embodiment of the first aspect of the present invention, the belt hole is a long strip-shaped through hole, the other ends of the left external pull belt and the right external pull belt are respectively provided with a folding sewing fixing structure, the folding sewing fixing structure at the other end of the left external pull belt passes through the long strip-shaped through hole at the left end of the housing assembly and then forms a T-shaped structure with the middle part between the two ends of the left external pull belt, so as to be directly fastened to the housing assembly, and the folding sewing fixing structure at the other end of the right external pull belt passes through the long strip-shaped through hole at the right end of the housing assembly and then forms a T-shaped structure with the middle part between the two ends of the right external pull belt, so as to be directly fastened to the housing assembly.
According to a still further embodiment of the first aspect of the present invention, the folding manner of the folding sewing fixing structure is a clip-like folding manner.
The second aspect of the invention also provides a vehicle.
According to a vehicle according to a second aspect of the present invention, the knee airbag structure according to any one of the first aspect of the present invention is provided on the vehicle.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural view of a knee airbag structure according to an embodiment of the first aspect of the present invention.
Fig. 2 is a schematic cross-sectional view taken along line a-a in fig. 1.
Fig. 3 is a schematic cross-sectional view taken along line B-B in fig. 1.
FIG. 4 is a schematic structural view of a knee airbag body of the knee airbag structure according to the first embodiment of the present invention.
FIG. 5 is a schematic view of a housing assembly of the knee airbag structure according to the first aspect of the present invention.
Reference numerals:
knee airbag bag structure 1000
First air bag part 11 and second air bag part 12
The middle part 211 between the two ends of the left external drawstring 21
The middle part 221 between the two ends of the right external drawstring 22
Folding sewing fixing structure 23
With hole 31
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
A knee airbag bag structure 1000 according to an embodiment of the first aspect of the invention will be described below with reference to fig. 1 to 5.
As shown in fig. 1 to 5, a knee airbag bag structure 1000 according to an embodiment of the first aspect of the invention includes a knee airbag bag body 1 and an external drawstring 2; the knee airbag body 1 is provided with a first airbag part 11 and a second airbag part 12, the first airbag part 11 is close to the shell assembly 3, and the second airbag part 12 is connected with the first airbag part 11 and forms a corner with the first airbag part 11; the external drawstring 2 comprises a left external drawstring 21 and a right external drawstring 22, one end of the left external drawstring 21 and one end of the right external drawstring 22 are respectively and correspondingly fixed at the left and right sides of the first airbag part 11 of the knee airbag body 1, and the other end of the left external drawstring 21 and the other end of the right external drawstring 22 are respectively and correspondingly fixed at the left end and the right end of the shell assembly 3.
According to the knee airbag structure 1000 of the first aspect of the present invention, the left external drawstring 21 and the right external drawstring 22 are respectively and correspondingly fixed on the left and right sides of the first airbag portion 11 of the knee airbag body 1, and then the knee airbag body 1 is folded and placed into the housing assembly 3 according to the designed state, the first airbag portion 11 is close to the housing assembly 3, and the other ends of the left external drawstring 21 and the right external drawstring 22 are respectively and correspondingly fixed on the left end and the right end of the housing assembly 3, so that during the inflation of the knee airbag body 1, the gas enters the second airbag portion 12 from the first airbag portion 11 to inflate and deploy the knee airbag body 1, at this time, the knee airbag body 1 can be restrained by the left external drawstring 21 and the right external drawstring 22 to control the deployment state of the first airbag portion 11 and the second airbag portion 12, when the first and second bag portions 11, 12 reach the full state, the left and right outboard drawstrings 21, 22 may restrain the knee airbag body 1 to effectively control the stability of the first and second bag portions 11, 12. In summary, the knee airbag structure 1000 according to the first embodiment of the present invention can better control the deployment states of the first and second airbag portions 11 and 12 and improve the bag stability.
According to one embodiment of the first aspect of the present invention, one end of the left and right externally-arranged pull tapes 21 and 22 is close to the corner. Thus, the deployment states of the first bag portion 11 and the second bag portion 12 can be controlled by the left outboard drawstring 21 and the right outboard drawstring 22 during inflation of the knee airbag body 1.
According to a further embodiment of the first aspect of the present invention, one end of the left external pull strap 21 and one end of the right external pull strap 22 are respectively fixed to the first air bag portion 11 by sewing. It can be understood that the left external drawstring 21 is fixed on the left side of the first air bag portion 11 by sewing, and the right external drawstring 22 is fixed on the right side of the first air bag portion 11 by sewing, so that the fixing mode is simple and the fixing is reliable.
According to some embodiments of the first aspect of the present invention, the housing assembly 3 is provided with a hole 31 at each of the left and right ends, and the left and right externally-arranged pull tapes 21 and 22 are respectively fixed through the hole 31 at each of the left and right ends of the housing assembly 3. It will be appreciated that the knee airbag body 1 can be easily fixed to the case assembly 3 by passing the left outer draw tape 21 through the hole 31 at the left end of the case assembly 3 and fixing it, and passing the right outer draw tape 22 through the hole 31 at the right end of the case assembly 3 and fixing it.
According to a further embodiment of the first aspect of the present invention, the belt hole 31 is a long strip-shaped through hole, the other ends of the left external pull belt 21 and the right external pull belt 22 are respectively provided with a folding sewing fixing structure 23, the folding sewing fixing structure 23 at the other end of the left external pull belt 21 is directly fastened to the housing assembly 3 in a T-shaped structure with the middle portion 211 between the two ends of the left external pull belt after passing through the long strip-shaped through hole at the left end of the housing assembly 3, and the folding sewing fixing structure 23 at the other end of the right external pull belt 22 is directly fastened to the housing assembly 3 in a T-shaped structure with the middle portion 221 between the two ends of the right external pull belt after passing through the long strip-shaped through hole at the right end of the housing assembly 3. Therefore, the left external pull belt 21 and the right external pull belt 22 can be quickly fixed with the shell assembly 3, and the connection is firm.
According to a still further embodiment of the first aspect of the present invention, the folding of the sewing fixture 23 is in the form of a clip-like fold. It can be understood that the folding sewing fixing structure 23 is folded in a shape of a needle with a reversed-square shape, so that the folding sewing fixing structure 23 at the other end of the left external pull belt 21 can be quickly turned over after passing through the strip-shaped perforation at the left end of the shell assembly 3 and is directly buckled on the shell assembly 3 in a T-shaped structure with the middle part 211 between the two ends of the left external pull belt, and the folding sewing fixing structure 23 at the other end of the right external pull belt 22 can be quickly turned over after passing through the strip-shaped perforation at the right end of the shell assembly 3 and is directly buckled on the shell assembly 3 in a T-shaped structure with the middle part 221 between the two ends of the right external pull belt, so that the left external pull belt 21 and the right external pull belt 22 are quickly fixed with the shell assembly 3.
The second aspect of the invention also provides a vehicle.
According to the vehicle of the second aspect of the present invention, the knee airbag structure 1000 according to any one of the first aspect of the present invention is provided on the vehicle.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. A knee airbag bag structure, comprising:
the knee airbag comprises a knee airbag body, a first airbag part and a second airbag part, wherein the first airbag part is close to the shell assembly, and the second airbag part is connected with the first airbag part and forms a corner with the first airbag part;
the external stretching strap, external stretching strap includes the external stretching strap in left side and the external stretching strap in right side, the external stretching strap in left side with the one end of the external stretching strap in right side is fixed respectively correspondingly knee gasbag air pocket body the left and right sides department of first gasbag portion, the external stretching strap in left side with the other end of the external stretching strap in right side is fixed respectively correspondingly on the left end and the right end of casing assembly.
2. The knee airbag bag structure according to claim 1, wherein one end of the left and right outboard drawstrings is near the corner.
3. The knee airbag bag structure according to claim 2, wherein one end of the left outboard drawstring and one end of the right outboard drawstring are respectively fixed to the first bag portion by sewing.
4. The knee airbag structure according to any one of claims 1 to 3, wherein the housing assembly is provided at left and right ends thereof with respective hole holes, and the left and right outboard drawstrings are fixed through the hole holes at the left and right ends of the housing assembly, respectively.
5. The knee airbag air bag structure according to claim 4, wherein the belt hole is a long strip-shaped through hole, the other ends of the left external drawstring and the right external drawstring are respectively provided with a folding sewing fixing structure, the folding sewing fixing structure of the other end of the left external drawstring penetrates through the long strip-shaped through hole at the left end of the shell assembly and is directly fastened to the shell assembly in a T-shaped structure at the middle position between the two ends of the left external drawstring, and the folding sewing fixing structure of the other end of the right external drawstring penetrates through the long strip-shaped through hole at the right end of the shell assembly and is directly fastened to the shell assembly in a T-shaped structure at the middle position between the two ends of the right external drawstring.
6. The knee airbag bag structure according to claim 5, wherein the folding manner of the fold sewing fixing structure is a clip-like folding manner.
7. A vehicle characterized in that the vehicle is provided with the knee airbag bag structure according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011536639.3A CN112622800A (en) | 2020-12-23 | 2020-12-23 | Knee airbag structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011536639.3A CN112622800A (en) | 2020-12-23 | 2020-12-23 | Knee airbag structure and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112622800A true CN112622800A (en) | 2021-04-09 |
Family
ID=75321448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011536639.3A Pending CN112622800A (en) | 2020-12-23 | 2020-12-23 | Knee airbag structure and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112622800A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070246920A1 (en) * | 2006-04-24 | 2007-10-25 | Trw Automotive Gmbh | Vehicle occupant restraint device comprising a gas bag |
| US20080100049A1 (en) * | 2006-10-27 | 2008-05-01 | Delphi Technologies, Inc. | Inflatable cushion and method for attachment |
| CN103930314A (en) * | 2011-10-11 | 2014-07-16 | 奥托里夫Asp股份有限公司 | Knee airbag assemblies and related methods |
| CN105711535A (en) * | 2016-01-28 | 2016-06-29 | 重庆长安汽车股份有限公司 | Safety air bag for front side of passenger |
| CN106004766A (en) * | 2015-03-31 | 2016-10-12 | 丰田合成株式会社 | Knee-protecting airbag device |
| US20190143931A1 (en) * | 2017-11-10 | 2019-05-16 | Autoliv Asp, Inc. | Inflatable knee airbag assemblies |
| CN111186408A (en) * | 2018-10-29 | 2020-05-22 | 丰田自动车株式会社 | Occupant protection device for vehicle |
-
2020
- 2020-12-23 CN CN202011536639.3A patent/CN112622800A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070246920A1 (en) * | 2006-04-24 | 2007-10-25 | Trw Automotive Gmbh | Vehicle occupant restraint device comprising a gas bag |
| US20080100049A1 (en) * | 2006-10-27 | 2008-05-01 | Delphi Technologies, Inc. | Inflatable cushion and method for attachment |
| CN103930314A (en) * | 2011-10-11 | 2014-07-16 | 奥托里夫Asp股份有限公司 | Knee airbag assemblies and related methods |
| CN106004766A (en) * | 2015-03-31 | 2016-10-12 | 丰田合成株式会社 | Knee-protecting airbag device |
| CN105711535A (en) * | 2016-01-28 | 2016-06-29 | 重庆长安汽车股份有限公司 | Safety air bag for front side of passenger |
| US20190143931A1 (en) * | 2017-11-10 | 2019-05-16 | Autoliv Asp, Inc. | Inflatable knee airbag assemblies |
| CN111186408A (en) * | 2018-10-29 | 2020-05-22 | 丰田自动车株式会社 | Occupant protection device for vehicle |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210409 |
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| RJ01 | Rejection of invention patent application after publication |