CN115056742A - Car roof air bag structure - Google Patents
Car roof air bag structure Download PDFInfo
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- CN115056742A CN115056742A CN202210900378.1A CN202210900378A CN115056742A CN 115056742 A CN115056742 A CN 115056742A CN 202210900378 A CN202210900378 A CN 202210900378A CN 115056742 A CN115056742 A CN 115056742A
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- air bag
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- 238000004891 communication Methods 0.000 claims description 20
- 230000007704 transition Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000003139 buffering effect Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009958 sewing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000011960 computer-aided design Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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Classifications
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- 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
- B60R21/214—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in roof panels
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- 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
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- 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
- B60R2021/23161—Inflatable members characterised by their shape, construction or spatial configuration specially adapted for protecting at least two passengers, e.g. preventing them from hitting each other
Abstract
The invention relates to the field of airbags, in particular to a roof airbag structure which comprises a gas bag, wherein a gas generator is arranged in the gas bag; the gas bag comprises a first gas bag, a second gas bag and a third gas bag; the first air bag is provided with a first communicating hole; the third air bag is provided with a second communicating hole; the first air bag is communicated with the second air bag through a first communicating hole, and the second air bag is communicated with the third air bag through a second communicating hole; a gas generator is arranged in the first gas bag; the invention discloses a roof airbag structure which is arranged in a roof area, and can be unfolded when the side face of an automobile is collided in the actual use process to isolate a cab and a passenger cab, so that the side impact of passengers in the cab and the passenger cab is buffered and protected, and the damage of the passengers in the automobile when the side face of the automobile is collided is further reduced.
Description
Technical Field
The invention relates to the field of airbags, in particular to a roof airbag structure.
Background
When a vehicle is in side collision, the upper trunk of a far-end passenger at the collision side inclines to the collision side, and the front row drives and passengers collide with each other to cause serious injury.
In order to solve the problem, most automobile manufacturers adopt a technical scheme that a far-end safety airbag is installed on a seat back of a front driver seat.
After a single safety air bag is vertically unfolded, the rigidity is poor, the movement trend of passengers is weakened, the movement of the passengers cannot be effectively blocked, and if the safety air bags are respectively arranged on the front row driver and the seat back of the seat at the same time, a plurality of uncertain factors exist in the unfolding.
To achieve the protection of the front row driver and the far end of the passenger on the collision side, it is now necessary to develop a new far-end passenger protection airbag device.
Disclosure of Invention
The invention aims to provide an airbag structure for collision side far-end protection of a driver and a passenger.
In order to achieve the purpose, the invention adopts the technical scheme that:
a roof airbag structure comprises a gas bag, wherein a gas generator is arranged in the gas bag;
the gas bag comprises a first gas bag, a second gas bag and a third gas bag;
the first air bag is provided with a first communicating hole; the third air bag is provided with a second communicating hole;
the first air bag is communicated with the second air bag through a first communicating hole, and the second air bag is communicated with the third air bag through a second communicating hole;
and a gas generator is arranged in the first gas bag.
The first air bag is arranged along the longitudinal direction; the third air bags are distributed outside the first air bags; the second air bags are distributed at the outer side of the lower end of the first air bag; the third air pocket is above the second air pocket.
The third air bag comprises two single air bags which are respectively distributed on two opposite side surfaces of the first air bag.
The first air bag comprises a first bag body, and the first bag body comprises a first upper bag surface and a first lower bag surface; the first upper bag surface is connected with the first lower bag surface through the first side bag surface; the first side pocket face includes the side direction pocket face body, the side direction pocket face body is including going up side direction pocket face and downside bag face, downside bag face slope sets up.
The single air bag comprises a second upper bag surface and a second lower bag surface, and the second upper bag surface is connected with the second lower bag surface through a second side bag surface; the second lower bag face is obliquely arranged.
The second lower bag surface comprises a second lower inclined surface and an arc-shaped connecting surface, and the second lower inclined surface is connected with the second side bag surface through the arc-shaped connecting surface.
The joint of the second air bag and the third air bag is positioned at the butt joint of the second lower inclined plane and the arc-shaped connecting surface.
The corners of the first air bag, the second air bag and the third air bag are in arc-shaped surface transition.
The first air bag is connected with the single air bag through a drawstring.
A plurality of first through holes are formed in the first air bag; the third air bag is provided with a plurality of second communication holes; the number of the third communication holes is larger than that of the first communication holes.
The invention has the advantages that;
the invention discloses a roof airbag structure which is arranged in a roof area, and can be opened when the side surface of an automobile is collided in the actual use process, so that a cab and a subsidiary cab are isolated, the side impact of passengers in the cab and the subsidiary cab is buffered and protected, and the damage to the passengers in the automobile is reduced when the side surface of the automobile is collided.
Drawings
The contents of the expressions in the various figures of the present specification and the labels in the figures are briefly described as follows:
FIG. 1 is a side view of a distal air bag in a vehicle after deployment;
FIG. 2 is a rear structural view of the distal air bag after deployment in a vehicle;
FIG. 3 is a schematic front view of the distal balloon after deployment;
FIG. 4 is a schematic side view of the distal balloon after deployment;
FIG. 5 is a schematic cross-sectional view A-A of the distal balloon after deployment;
FIG. 6 is a schematic cross-sectional view B-B of the distal balloon after deployment;
the labels in the above figures are:
1. the air bag structure comprises an air bag structure 1-1, an air bag 11, a first air bag 12, a second air bag 13, a third air bag 14, an air generator 2, a sheet metal support 3, a ceiling 4 and a pull belt.
Detailed Description
The following description of preferred embodiments of the invention will be made in further detail with reference to the accompanying drawings.
A car roof air bag structure comprises an air bag 1-1, wherein a gas generator 14 is arranged in the air bag 1-1; the invention discloses a roof airbag structure, wherein a roof airbag structure 1 disclosed by the invention is arranged in a roof area, and can be unfolded when the side surface of an automobile is collided in the actual use process, so that a cab and a secondary cab are isolated, the lateral impact of passengers in the cab and the secondary cab is buffered and protected, and the damage to passengers in the automobile is reduced when the side surface of the automobile is collided.
The invention mainly discloses a car roof air bag structure 1, wherein a gas bag 1-1 is a main body of the air bag, the material of the gas bag 1-1 can be made of traditional air bag materials, a gas generator 14 is arranged in the gas bag 1-1, and the gas generator 14 belongs to the conventional part structure in the existing air bag, belongs to the prior art and is not described again; the invention is firstly characterized in that an air bag structure 1 is arranged above a vehicle roof and is required to be positioned in a region between a main driver seat and a secondary driver seat when being unfolded; when the inflatable air bag is inflated, the air bag is unfolded to play a good role in isolating and buffering, one is to avoid collision among passengers, and the other is to avoid the passengers from moving and colliding with other parts in the automobile body due to excessive transverse movement.
Specifically, in the present invention, the gas pouch 1-1 includes a first gas pouch 11, a second gas pouch 12, and a third gas pouch 13; the gas bag 1-1 of the invention is composed of three parts, the gas bag of the three parts has additional function besides realizing the basic buffer function, the first gas bag 11 plays a role of longitudinal isolation and is mainly used for isolating a cab and a co-cab; meanwhile, the second air bag 12 and the third air bag 13 are convenient to arrange and place; in addition, the second air bag 12 plays a role in tensioning and fixing, when the second air bag 12 is unfolded, the second air bag is extruded with the side surface of the seat 5, so that the integral side surface support of the air bag 1-1 is realized, the air bag 1-1 is prevented from deviating after a person impacts the air bag 1-1, in addition, the third air bag 13 plays a good role in buffering and supporting, the person can conveniently and quickly contact with the collider, the buffering distance is increased, and the buffering effect is better played; in addition, the first air bag 11 is provided with a first communication hole 12-1; the third air bag 13 is provided with a second communicating hole 13-1; the first communicating hole 12-1 and the second communicating hole 13-1 are arranged to realize the communication among the first air bag 11, the second air bag 12 and the third air bag 13; in addition to simple communication, the present invention also has particular utility in the manner of communication between the airbags of the present invention; specifically, the use effect of the product is optimized by limiting the flowing direction of the gas when the first airbag 11, the second airbag 12 and the third airbag 13 are operated, specifically, the first airbag 11 is communicated with the second airbag 12 through the first communicating hole 12-1, and the second airbag 12 is communicated with the third airbag 13 through the second communicating hole 13-1; a gas generator 14 is arranged in the first gas bag 11; because of the above design, when the automobile is collided, the gas generator 14 works to supply gas into the first gas bag 11, so that the first gas bag 11 is expanded and opened, and as the gas is continuously supplied into the first gas bag 11, the gas is transferred to the second gas bag 12 through the first communication hole 12-1, so that the second gas bag 12 is expanded and opened, and similarly, as the gas in the second gas bag 12 flows, the gas in the second gas bag 12 continuously moves into the third gas bag 13, so that the third gas bag 13 is opened; the present invention can realize the continuous expansion of the first bag 11, the second bag 12, and the third bag 13 by the above-mentioned gas flow method; the whole device can be conveniently used normally, and the problem that the parts are easy to operate and interfere when each air bag is opened at one time is avoided.
Further, in the present invention, the first air pockets 11 are arranged in the longitudinal direction; the longitudinally arranged first air bag 11 plays a good role in longitudinal separation, and meanwhile, the subsequent second air bag 12 is convenient to be mutually extruded with the side surface of the automobile seat 5 when being unfolded, and in addition, the third air bag 13 is distributed outside the first air bag 11; the second air bags 12 are distributed outside the lower end of the first air bag 11; the third airbag 13 is located above the second airbag 12; through the arrangement, the buffer and the fixed air bag can not generate movement interference, and meanwhile, the buffer can be realized, firstly separated and then fixed in the using process, and the swing of the air bag structure 1 can be avoided while the protection is realized.
In addition, in the present invention, the third air bag may be adapted to abut against a side surface of a headrest in an upper portion of the seat, and the second air bag may be adapted to abut against a side surface of the seat, and by this arrangement, the stability of the installation between the air bags and the seat can be ensured.
Further, in the present invention, the third air bag 13 includes two single air bags 13-11, and the two single air bags 13-11 are respectively disposed on two opposite side surfaces of the first air bag 11; the two single air bags 13-11 can support passengers in the cab and the auxiliary cab, so that the passengers are guaranteed to be cushioned; in addition, in the invention, the single air bag 13-11 is arranged on the upper middle area of the first air bag 11, and the arrangement can limit the head and the neck of the passenger and avoid the deviation and swing of the head of the passenger along the Y direction; the single air bag is required to be arranged in the area above the first air bag, so that the transverse offset of the air bag during collision can be reduced; because the third air bag has larger transverse width in the subsequent use, when the side collision actually occurs, the third air bag can isolate the personnel at the main driving position and the auxiliary driving position, when the passenger collides the air bag, the passenger generally collides the third air bag firstly, so when the third air bag is arranged close to the upper part of the first air bag, the third air bag is close to the connecting point between the first air bag and the vehicle roof, and the force arm is smaller; thereby reducing the amount of force placed on the connection between the first air bag and the vehicle roof.
Further, in the present invention, the first airbag 11 includes a first bag body including a first upper bag surface 111 and a first lower bag surface 113; the first upper bag surface 111 is connected with the first lower bag surface 113 through the first side bag surface 112; the first side pocket surface 112 includes a side pocket surface body, the side pocket surface body includes an upper side pocket surface 1121 and a lower side pocket surface 1122, and the lower side pocket surface 1122 is arranged in an inclined manner; in the present invention, the first upper bag surface 111 is an upper end surface of the first air bag 11, and the first lower bag surface 113 is a lower end surface of the first air bag 11; the first upper bag face 111 and the first lower bag face 113 are connected through a first side bag face 112, the first side bag face 112 is equivalent to have 4 side faces, the first upper bag face 111, the first lower bag face 113 and the first side bag face 112 form a box body structure similar to a rectangle, in addition, the first side bag face 112 comprises 4 side bag face bodies, the 4 side bag face bodies are sequentially spliced and annularly connected to form the first side bag face 112, in actual arrangement, the height of each side bag face body can be consistent, the specific width can be changed according to needs, in addition, the side bag face body comprises an upper side bag face 1121 and a lower side bag face 1122, and the lower side bag face 1122 is obliquely arranged; the upper lateral bag surface 1121 is a main body of a lateral bag surface body, and the lower lateral bag surface 1122 is obliquely arranged, so that one purpose of increasing the volume of the space at the lower end of the first air bag 11 is achieved, buffering of expanding gas is facilitated, meanwhile, the subsequent first connecting hole 12-1 is arranged on the lower lateral bag surface 1122, and the lower lateral bag surface 1122 is obliquely arranged, so that the gas is obliquely injected into the second air bag 12, expansion of the second air bag 12 can be rapidly achieved, and rapid opening of the second air bag 12 is facilitated.
Further, in the present invention, the single air bag 13-11 includes a second upper bag surface 131 and a second lower bag surface 133, and the second upper bag surface 131 is connected to the second lower bag surface 133 through a second side bag surface 132; the above design is an integral structure of the single air bag 13-11 of the present invention, and in addition, the second lower bag face 133 is obliquely arranged in the present invention; the second communication hole 13-1 is arranged on the second lower bag surface 133, so that the gas in the second gas bag 12 can rapidly enter each single gas bag 13-11, and the single gas bags 13-11 can be rapidly expanded and opened; in addition, the second lower bag surface is arranged obliquely below the single air bag, so that when a passenger impacts the single air bag, the single air bag can be obliquely contracted and contracted after being impacted, the contraction distance is increased, and the impact effect is optimized.
Further, in the present invention, the second lower bag surface 133 includes a second lower inclined surface 1331 and an arc-shaped connection surface 1332, and the second lower inclined surface 1331 is connected to the second side bag surface 132 through the arc-shaped connection surface 1332; the second lower inclined surface 1331 facilitates the arrangement and placement of the second communication hole 13-1, and in addition, the arc-shaped connecting surface 1332 plays a good role in transition, thereby facilitating the connection between the second lower inclined surface 1331 and the second side bag surface 132; meanwhile, due to the arrangement of the arc-shaped connecting surface, a good protection effect is achieved, and the edge on the outer portion of the gas bag is avoided, so that passengers are damaged during collision.
Further, in the present invention, the connection point of the second air bag 12 and the third air bag 13 is located at the joint of the second lower inclined plane 1331 and the arc-shaped connection plane 1332; by the arrangement, the stability of the connection between the second air bag 12 and the third air bag 13 is ensured, and meanwhile, the smooth transition of the connection between the second air bag 12 and the third air bag 13 is realized; in addition, due to the arrangement, the second lower inclined plane and the second air bag are arranged in a superposed mode, the whole structural strength of the lower portion of the air bag is guaranteed, and the stability of mutual extrusion between the air bag and the seat after inflation is guaranteed.
Further, in the present invention, the corners of the first air bag 11, the second air bag 12 and the third air bag 13 adopt arc-shaped surface transition; due to the arrangement, edges at the edge of the gas bag 1-1 are avoided, the outer side surface of the gas bag 1-1 has a certain radian, and the abrasion between the adjacent gas bag and the adjacent gas bag during expansion and expansion is avoided.
Further, in the invention, the first air bag 11 is connected with the single air bags 13-11 through the pull belt 4; the arrangement of the pull belt 4 plays a good role in connection, the integrity between the single air bag 13-11 and the first air bag 11 is well ensured, and the single air bag 13-11 is prevented from sagging due to gravity.
Further, in the present invention, a plurality of first communication holes 12-1 are provided on the first air bag 11; the third air bag 13 is provided with a plurality of second communicating holes 13-1; the number of the third communication holes is larger than that of the first communication holes 12-1; with the arrangement, the air inflow of the first airbag 11 into the second airbag 12 is larger than the air inflow of the second airbag 12 into the third airbag 13, so that the gas in the second airbag 12 can be prevented from entering the third airbag 13 too fast, and the use and fixation of the whole airbag structure 1 are prevented from being influenced.
Concretely;
the invention discloses a roof airbag structure 1, in particular to a far-end passenger protection airbag device, which comprises a gas bag 1-1, a gas generator 14, a mounting bracket and other components; the gas bag 1-1 has a 6s pressure maintaining function, and meets the requirement of the internal pressure maintaining performance of the gas curtain in CNCAP (computer aided design) regulation evaluation.
The air bag is divided into a first air bag 11, a second air bag 12 and a third air bag 13 according to the inflation sequence, wherein the first air bag 11 forms a primary cavity, the second air bag 12 forms a secondary cavity, and the third air bag 13 forms a tertiary cavity; the gas generator 14 is inserted into the air bag to inflate the gas bag 1-1; the gas bag 1-1 and the gas generator 14 are fixed on a mounting bracket which is fixed on a roof cross beam metal plate; the mounting bracket can be a cross beam structure and mainly plays a role in bridging.
When the vehicle is in side collision, the airbag controller calibrates signals to reach a threshold value, sends an ignition instruction and detonates the airbag; the airbag is designed in a unique bag shape, the primary chamber is instantaneously unfolded in place, the secondary chamber is inflated and expanded, and the front row driver and the seat back 5 of the seat clamp the airbag to prevent the airbag from rotating around the Z direction and moving around the Y direction of a vehicle; the mounting bracket limits the X-direction movement of the air bag vehicle; the upper part of the first-level chamber and the third-level chamber are sewn through the drawstring 4, so that the unfolding stability of the air bag is improved. The bottom opening of the primary chamber is communicated with the secondary chamber, gas reaches the bottom of the primary chamber and enters the secondary chamber to be inflated, and meanwhile, the gas also enters the tertiary chamber to be inflated; after the air bag is completely unfolded, the front row driver and a passenger are separated, the seat 5 and the mounting support play a role in fixing the air bag and preventing the upper trunk of the passenger from inclining, so that the head, the neck and the shoulders are protected, and the far-end passenger on the collision side is protected.
The safety airbag can effectively solve the defects that the safety airbag arranged on the chair back of the seat 5 is not enough in support and not enough in protection area, and effectively meets the requirements of side collision accidents and laws.
The invention relates to an air bag device which is arranged on a roof cross beam metal plate and is used for protecting remote passengers, and the air bag device is suitable for a front row of a vehicle.
Through the unique design and the fixing mode of the airbag bag, the upper trunk of the passenger is prevented from inclining to the collision side, mutual collision among the passengers is prevented, and the head, the neck and the shoulders of the passenger are protected.
The airbag realizes the far-end protection of driving in the front row and passengers, is not limited by the side collision of the vehicle, and can cover the stroke of the seat 5 which is adjusted front and back and up and down; when a vehicle is in side collision, the calibration signal of the air bag controller exceeds an explosion threshold value, and an ignition instruction is sent, so that the air bag can be instantaneously exploded; the first-stage chamber is rapidly unfolded to the lowest end, the second-stage chamber is inflated to cover the position, close to the lower position, of the axle center of the shoulders of the passengers, and the shoulders are effectively supported; the head is supported by the inflation of the three-stage chamber, so that the head is prevented from inclining, and the injury value of the neck is reduced; the three chambers act in sequence to prevent the upper trunk of the far-end passenger from excessively inclining to the collision side so as to protect the far-end passenger at the collision side, and the regulatory requirement of European Euro NCAP new vehicle evaluation standard on the protection of the far-end passenger can be met.
The airbag structure 1 of the present invention has a contracted folded state and an inflated expanded state, and the distal end airbag will be described below as being inflated and expanded.
The airbag structure 1 disclosed by the invention mainly comprises a first airbag 11, a second airbag 12 and a third airbag 13; namely, the device comprises a primary chamber, a secondary chamber, a tertiary chamber, an external pulling belt 4, a first communicating hole 12-1, a second communicating hole 13-1 and a gas generator 14.
The gas bag 1-1 is provided with three chambers according to the inflation sequence, wherein the chambers are made of cloth pieces through sewing, and communication holes are arranged at specified positions for communication.
A first communicating hole 12-1 is formed between the primary chamber and the secondary chamber, and a second communicating hole 13-1 is formed between the secondary chamber and the tertiary chamber; the outer drawstring 4 is obliquely arranged at the upper part of the primary chamber and the upper part of the tertiary chamber for sewing.
The air bag structure 1 is arranged on a car roof metal plate beam through a metal plate support 2, and can be in a bolt or clamping mode, and a roof 3 is provided with weakening structures such as a tearing line at the corresponding position of an air bag.
When the vehicle is in side collision, the air bag controller sends an ignition instruction, the gas generator 14 is ignited, the air bag is rapidly inflated, and the tear line of the ceiling 3 is broken; the first-stage chamber is filled first and is unfolded to the side of a driver and a passenger; then enters a secondary chamber through a first communicating hole 12-1, the secondary chamber expands to contact and extrude with the driving and riding seat 5, and the secondary chamber is fixed between the chair backs of the seats 5; meanwhile, the third-stage chamber starts to be inflated under the action of the second communication hole 13-1, and the inclined pull belt 41d prevents the Y-direction movement of the second-stage chamber; after the air bag is completely unfolded, the secondary chamber provides effective Y-direction support for the shoulders of the passenger, and the tertiary chamber effectively prevents the Y-direction offset of the head and the neck.
It is clear that the specific implementation of the invention is not restricted to the above-described embodiments, but that various insubstantial modifications of the inventive process concept and technical solutions are within the scope of protection of the invention.
Claims (10)
1. A car roof air bag structure is characterized by comprising a gas bag, wherein a gas generator is arranged in the gas bag;
the gas bag comprises a first gas bag, a second gas bag and a third gas bag;
the first air bag is provided with a first communicating hole; the third air bag is provided with a second communicating hole;
the first air bag is communicated with the second air bag through a first communicating hole, and the second air bag is communicated with the third air bag through a second communicating hole;
a gas generator is arranged in the first gas bag; the gas bag is located in the area between the primary driver seat and the secondary driver seat when being unfolded.
2. The roof airbag structure of claim 1, wherein the first airbag is arranged in a longitudinal direction; the third air bags are distributed outside the first air bags; the second air bags are distributed at the outer side of the lower end of the first air bag; the third air pocket is above the second air pocket.
3. A roof airbag structure as set forth in claim 2 wherein said third airbag comprises two single airbags disposed on opposite side surfaces of said first airbag.
4. The roof airbag structure of claim 1, wherein the first airbag comprises a first bag body comprising a first upper bag face and a first lower bag face; the first upper bag surface is connected with the first lower bag surface through the first side bag surface; the first side pocket face includes the side direction pocket face body, the side direction pocket face body is including going up side direction pocket face and downside bag face, downside bag face slope sets up.
5. The roof airbag structure of claim 1, wherein the single airbag includes a second upper bag surface and a second lower bag surface, the second upper bag surface being connected to the second lower bag surface by a second side bag surface; the second lower bag face is obliquely arranged.
6. The roof airbag structure of claim 5, wherein the second lower pocket face comprises a second lower inclined face and an arc-shaped connecting face, and the second lower inclined face is connected with the second side pocket face through the arc-shaped connecting face.
7. The roof airbag structure of claim 6, wherein the junction of the second airbag and the third airbag is at the junction of the second lower inclined surface and the arc-shaped connecting surface.
8. The roof airbag structure of any one of claims 1 to 7, wherein the corners of the first, second and third airbags are curved surface transitions.
9. The roof airbag structure of claim 3, wherein the first airbag is connected to the single airbag by a drawstring.
10. The roof airbag structure as claimed in claim 1, wherein a plurality of first communication holes are provided in the first airbag; a plurality of second communication holes are formed in the third air bag; the number of the third communication holes is larger than that of the first communication holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210900378.1A CN115056742B (en) | 2022-07-28 | 2022-07-28 | Roof airbag structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210900378.1A CN115056742B (en) | 2022-07-28 | 2022-07-28 | Roof airbag structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115056742A true CN115056742A (en) | 2022-09-16 |
| CN115056742B CN115056742B (en) | 2023-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210900378.1A Active CN115056742B (en) | 2022-07-28 | 2022-07-28 | Roof airbag structure |
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| CN101596894A (en) * | 2008-06-03 | 2009-12-09 | 现代自动车株式会社 | Airbag system for vehicle |
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